{"id":6092,"date":"2026-09-16T14:45:55","date_gmt":"2026-09-16T14:45:55","guid":{"rendered":"https:\/\/srtech.it\/?page_id=6092"},"modified":"2026-09-16T15:33:50","modified_gmt":"2026-09-16T15:33:50","slug":"investment-casting-dimensional-tolerances","status":"publish","type":"page","link":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/","title":{"rendered":"Investment Casting Dimensional Tolerances"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; fullwidth=&#8221;on&#8221; theme_builder_area=&#8221;post_content&#8221; _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221;][et_pb_fullwidth_code _builder_version=&#8221;4.18.0&#8243; _module_preset=&#8221;default&#8221; theme_builder_area=&#8221;post_content&#8221; hover_enabled=&#8221;0&#8243; sticky_enabled=&#8221;0&#8243;]<!-- INVESTMENT CASTING TOLERANCES PAGE - Complete Divi code --><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->  .srt-tol-page {<!-- [et_pb_line_break_holder] -->    --srt-red: #d71920;<!-- [et_pb_line_break_holder] -->    --srt-red-dark: #b51218;<!-- [et_pb_line_break_holder] -->    --srt-ink: #222a32;<!-- [et_pb_line_break_holder] -->    --srt-grey: #65717d;<!-- [et_pb_line_break_holder] -->    --srt-line: #dfe4e8;<!-- [et_pb_line_break_holder] -->    --srt-white: #ffffff;<!-- [et_pb_line_break_holder] -->    --srt-soft: #f3f5f6;<!-- [et_pb_line_break_holder] -->    --srt-max: 1180px;<!-- [et_pb_line_break_holder] -->    width: 100%;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    color: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    font-family: Arial, Helvetica, sans-serif;<!-- [et_pb_line_break_holder] -->    font-size: 17px;<!-- [et_pb_line_break_holder] -->    line-height: 1.65;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-page,<!-- [et_pb_line_break_holder] -->  .srt-tol-page * { box-sizing: border-box; }<!-- [et_pb_line_break_holder] -->  .srt-tol-page img { display: block; max-width: 100%; }<!-- [et_pb_line_break_holder] -->  .srt-tol-page a { text-decoration: none; }<!-- [et_pb_line_break_holder] -->  .srt-tol-page [id] { scroll-margin-top: 30px; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__wrap {<!-- [et_pb_line_break_holder] -->    width: min(calc(100% - 40px), var(--srt-max));<!-- [et_pb_line_break_holder] -->    margin: 0 auto;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__section { padding: 86px 0; }<!-- [et_pb_line_break_holder] -->  .srt-tol__section--soft { background: var(--srt-soft); }<!-- [et_pb_line_break_holder] -->  .srt-tol__section--white { background: var(--srt-white); }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__eyebrow {<!-- [et_pb_line_break_holder] -->    display: block;<!-- [et_pb_line_break_holder] -->    margin: 0 0 14px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-red);<!-- [et_pb_line_break_holder] -->    font-size: 13px;<!-- [et_pb_line_break_holder] -->    font-weight: 800;<!-- [et_pb_line_break_holder] -->    letter-spacing: .13em;<!-- [et_pb_line_break_holder] -->    line-height: 1.4;<!-- [et_pb_line_break_holder] -->    text-transform: uppercase;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__eyebrow--light { color: #ff666b; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__h2 {<!-- [et_pb_line_break_holder] -->    max-width: 850px;<!-- [et_pb_line_break_holder] -->    margin: 0;<!-- [et_pb_line_break_holder] -->    color: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    font-size: clamp(34px, 4vw, 50px);<!-- [et_pb_line_break_holder] -->    font-weight: 700;<!-- [et_pb_line_break_holder] -->    letter-spacing: -.03em;<!-- [et_pb_line_break_holder] -->    line-height: 1.08;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__h2--light { color: var(--srt-white); }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__lead {<!-- [et_pb_line_break_holder] -->    max-width: 780px;<!-- [et_pb_line_break_holder] -->    margin: 20px 0 0;<!-- [et_pb_line_break_holder] -->    color: var(--srt-grey);<!-- [et_pb_line_break_holder] -->    font-size: 18px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__lead--light { color: #c8d0d6; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__btn {<!-- [et_pb_line_break_holder] -->    display: inline-flex;<!-- [et_pb_line_break_holder] -->    align-items: center;<!-- [et_pb_line_break_holder] -->    justify-content: center;<!-- [et_pb_line_break_holder] -->    min-height: 50px;<!-- [et_pb_line_break_holder] -->    padding: 12px 24px;<!-- [et_pb_line_break_holder] -->    border: 2px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 5px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-white) !important;<!-- [et_pb_line_break_holder] -->    background: var(--srt-red);<!-- [et_pb_line_break_holder] -->    font-size: 14px;<!-- [et_pb_line_break_holder] -->    font-weight: 800;<!-- [et_pb_line_break_holder] -->    letter-spacing: .035em;<!-- [et_pb_line_break_holder] -->    line-height: 1.3;<!-- [et_pb_line_break_holder] -->    text-transform: uppercase;<!-- [et_pb_line_break_holder] -->    transition: .2s ease;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__btn:hover,<!-- [et_pb_line_break_holder] -->  .srt-tol__btn:focus-visible {<!-- [et_pb_line_break_holder] -->    border-color: var(--srt-red-dark);<!-- [et_pb_line_break_holder] -->    color: var(--srt-white) !important;<!-- [et_pb_line_break_holder] -->    background: var(--srt-red-dark);<!-- [et_pb_line_break_holder] -->    transform: translateY(-1px);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__btn--dark {<!-- [et_pb_line_break_holder] -->    border-color: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol__btn--dark:hover,<!-- [et_pb_line_break_holder] -->  .srt-tol__btn--dark:focus-visible {<!-- [et_pb_line_break_holder] -->    border-color: #11171c;<!-- [et_pb_line_break_holder] -->    background: #11171c;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* HERO *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-hero {<!-- [et_pb_line_break_holder] -->    padding: 62px 0 28px;<!-- [et_pb_line_break_holder] -->    background: var(--srt-soft);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__panel {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: .95fr 1.05fr;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    border-left: 8px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 12px;<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 20px 48px rgba(25, 36, 45, .2);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__copy {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    z-index: 3;<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    min-height: 520px;<!-- [et_pb_line_break_holder] -->    flex-direction: column;<!-- [et_pb_line_break_holder] -->    justify-content: center;<!-- [et_pb_line_break_holder] -->    padding: 64px 48px 64px 50px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-white);<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__copy::after {<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    z-index: 0;<!-- [et_pb_line_break_holder] -->    top: 0;<!-- [et_pb_line_break_holder] -->    right: -50px;<!-- [et_pb_line_break_holder] -->    bottom: 0;<!-- [et_pb_line_break_holder] -->    width: 100px;<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    content: \"\";<!-- [et_pb_line_break_holder] -->    transform: skewX(-10deg);<!-- [et_pb_line_break_holder] -->    transform-origin: bottom;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__copy > * { position: relative; z-index: 1; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__title {<!-- [et_pb_line_break_holder] -->    margin: 0;<!-- [et_pb_line_break_holder] -->    color: var(--srt-white);<!-- [et_pb_line_break_holder] -->    font-size: clamp(38px, 5vw, 62px);<!-- [et_pb_line_break_holder] -->    font-weight: 700;<!-- [et_pb_line_break_holder] -->    letter-spacing: -.035em;<!-- [et_pb_line_break_holder] -->    line-height: 1.04;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__copy p {<!-- [et_pb_line_break_holder] -->    max-width: 590px;<!-- [et_pb_line_break_holder] -->    margin: 23px 0 31px;<!-- [et_pb_line_break_holder] -->    color: #c8d0d6;<!-- [et_pb_line_break_holder] -->    font-size: 18px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__actions {<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    flex-wrap: wrap;<!-- [et_pb_line_break_holder] -->    gap: 12px 18px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__text-link {<!-- [et_pb_line_break_holder] -->    display: inline-flex;<!-- [et_pb_line_break_holder] -->    align-items: center;<!-- [et_pb_line_break_holder] -->    min-height: 50px;<!-- [et_pb_line_break_holder] -->    padding: 10px 5px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-white) !important;<!-- [et_pb_line_break_holder] -->    font-size: 14px;<!-- [et_pb_line_break_holder] -->    font-weight: 800;<!-- [et_pb_line_break_holder] -->    letter-spacing: .035em;<!-- [et_pb_line_break_holder] -->    text-transform: uppercase;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__visual {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    min-width: 0;<!-- [et_pb_line_break_holder] -->    min-height: 520px;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    background: linear-gradient(155deg, rgba(255,255,255,.98), rgba(222,228,232,.94));<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__frame {<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    inset: 47px 40px 43px 45px;<!-- [et_pb_line_break_holder] -->    border: 1px solid rgba(61, 74, 84, .2);<!-- [et_pb_line_break_holder] -->    background: linear-gradient(140deg, rgba(255,255,255,.58), rgba(255,255,255,.08));<!-- [et_pb_line_break_holder] -->    box-shadow: 0 25px 60px rgba(38, 50, 59, .11);<!-- [et_pb_line_break_holder] -->    transform: skewX(-3deg);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__carousel {<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    inset: 30px 28px 30px 48px;<!-- [et_pb_line_break_holder] -->    z-index: 2;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__carousel-image {<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    inset: 0;<!-- [et_pb_line_break_holder] -->    width: 100%;<!-- [et_pb_line_break_holder] -->    height: 100%;<!-- [et_pb_line_break_holder] -->    padding: 8px;<!-- [et_pb_line_break_holder] -->    object-fit: contain;<!-- [et_pb_line_break_holder] -->    opacity: 0;<!-- [et_pb_line_break_holder] -->    transform: scale(.97);<!-- [et_pb_line_break_holder] -->    filter: drop-shadow(0 22px 22px rgba(25, 36, 45, .22));<!-- [et_pb_line_break_holder] -->    transition: opacity .7s ease, transform .7s ease;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__carousel-image.is-active {<!-- [et_pb_line_break_holder] -->    opacity: 1;<!-- [et_pb_line_break_holder] -->    transform: scale(1);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__counter {<!-- [et_pb_line_break_holder] -->    position: absolute;<!-- [et_pb_line_break_holder] -->    z-index: 5;<!-- [et_pb_line_break_holder] -->    top: 20px;<!-- [et_pb_line_break_holder] -->    right: 22px;<!-- [et_pb_line_break_holder] -->    min-width: 72px;<!-- [et_pb_line_break_holder] -->    padding: 7px 10px;<!-- [et_pb_line_break_holder] -->    border-radius: 4px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-white);<!-- [et_pb_line_break_holder] -->    background: var(--srt-red);<!-- [et_pb_line_break_holder] -->    font-size: 11px;<!-- [et_pb_line_break_holder] -->    font-weight: 800;<!-- [et_pb_line_break_holder] -->    letter-spacing: .08em;<!-- [et_pb_line_break_holder] -->    line-height: 1.4;<!-- [et_pb_line_break_holder] -->    text-align: center;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-hero__word {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    z-index: 5;<!-- [et_pb_line_break_holder] -->    grid-column: 1 \/ -1;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    padding: 14px 24px 10px;<!-- [et_pb_line_break_holder] -->    border-top: 1px solid var(--srt-line);<!-- [et_pb_line_break_holder] -->    color: rgba(34, 42, 50, .18);<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    font-size: clamp(46px, 7.2vw, 86px);<!-- [et_pb_line_break_holder] -->    font-weight: 900;<!-- [et_pb_line_break_holder] -->    letter-spacing: -.045em;<!-- [et_pb_line_break_holder] -->    line-height: 1;<!-- [et_pb_line_break_holder] -->    text-align: center;<!-- [et_pb_line_break_holder] -->    white-space: nowrap;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-facts {<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: repeat(3, minmax(0, 1fr));<!-- [et_pb_line_break_holder] -->    margin-top: 16px;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    border-left: 8px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 10px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-white);<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 12px 32px rgba(25, 36, 45, .14);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-fact {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    min-height: 112px;<!-- [et_pb_line_break_holder] -->    padding: 23px 28px 22px 54px;<!-- [et_pb_line_break_holder] -->    border-right: 1px solid #3a4650;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-fact:last-child { border-right: 0; }<!-- [et_pb_line_break_holder] -->  .srt-tol-fact b { position: absolute; top: 24px; left: 20px; color: var(--srt-red); font-size: 12px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-fact strong { display: block; margin-bottom: 4px; color: var(--srt-white); font-size: 17px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-fact span { display: block; color: #aeb8c0; font-size: 13px; line-height: 1.45; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* INDICE *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-index { padding: 24px 0; background: var(--srt-white); border-bottom: 1px solid var(--srt-line); }<!-- [et_pb_line_break_holder] -->  .srt-tol-index__inner { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }<!-- [et_pb_line_break_holder] -->  .srt-tol-index__title { margin-right: 8px; color: var(--srt-ink); font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }<!-- [et_pb_line_break_holder] -->  .srt-tol-index a {<!-- [et_pb_line_break_holder] -->    padding: 8px 12px;<!-- [et_pb_line_break_holder] -->    border: 1px solid #cfd5da;<!-- [et_pb_line_break_holder] -->    border-radius: 4px;<!-- [et_pb_line_break_holder] -->    color: #46515c !important;<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    font-size: 13px;<!-- [et_pb_line_break_holder] -->    font-weight: 700;<!-- [et_pb_line_break_holder] -->    transition: .2s ease;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-index a:hover { border-color: var(--srt-red); color: var(--srt-white) !important; background: var(--srt-red); }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* RIFERIMENTI *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-ref-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 36px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-ref-card {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    min-height: 255px;<!-- [et_pb_line_break_holder] -->    padding: 34px 34px 30px;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    border-top: 6px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 12px 32px rgba(25,36,45,.09);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-ref-card__num { position: absolute; top: 13px; right: 22px; color: #edf0f2; font-size: 76px; font-weight: 800; line-height: 1; }<!-- [et_pb_line_break_holder] -->  .srt-tol-ref-card h3 { position: relative; margin: 0 0 13px; color: var(--srt-ink); font-size: 25px; line-height: 1.15; }<!-- [et_pb_line_break_holder] -->  .srt-tol-ref-card p { position: relative; margin: 0; color: var(--srt-grey); font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-ref-card__note { display: inline-block; position: relative; margin-top: 19px; padding: 6px 9px; color: var(--srt-red); background: #fff1f1; font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }<!-- [et_pb_line_break_holder] -->  .srt-tol-intro-copy { max-width: 980px; margin-top: 27px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-intro-copy p { margin: 0 0 17px; color: var(--srt-grey); font-size: 17px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-intro-copy p:last-child { margin-bottom: 0; }<!-- [et_pb_line_break_holder] -->  .srt-tol-intro-copy strong { color: var(--srt-ink); }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* CLASSI *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-grades { color: var(--srt-white); background: var(--srt-ink); }<!-- [et_pb_line_break_holder] -->  .srt-tol-grade-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; margin-top: 36px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-grade {<!-- [et_pb_line_break_holder] -->    position: relative;<!-- [et_pb_line_break_holder] -->    min-height: 238px;<!-- [et_pb_line_break_holder] -->    padding: 30px 28px 26px;<!-- [et_pb_line_break_holder] -->    border: 1px solid #3b4650;<!-- [et_pb_line_break_holder] -->    border-radius: 7px;<!-- [et_pb_line_break_holder] -->    background: #28323b;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-grade__code { display: block; margin-bottom: 20px; color: #ff666b; font-size: 35px; font-weight: 900; letter-spacing: -.04em; line-height: 1; }<!-- [et_pb_line_break_holder] -->  .srt-tol-grade h3 { margin: 0 0 10px; color: var(--srt-white); font-size: 20px; line-height: 1.2; }<!-- [et_pb_line_break_holder] -->  .srt-tol-grade p { margin: 0; color: #aeb8c0; font-size: 14px; line-height: 1.55; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* CALCULATOR *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-calc-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 24px; margin-top: 38px; align-items: stretch; }<!-- [et_pb_line_break_holder] -->  .srt-tol-calc__form {<!-- [et_pb_line_break_holder] -->    padding: 34px;<!-- [et_pb_line_break_holder] -->    border-left: 7px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 9px;<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 16px 38px rgba(25,36,45,.14);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-calc__form h3 { margin: 0 0 22px; color: var(--srt-white); font-size: 25px; line-height: 1.2; }<!-- [et_pb_line_break_holder] -->  .srt-tol-field { margin-bottom: 19px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-field label { display: block; margin-bottom: 7px; color: #c8d0d6; font-size: 13px; font-weight: 800; }<!-- [et_pb_line_break_holder] -->  .srt-tol-field input,<!-- [et_pb_line_break_holder] -->  .srt-tol-field select {<!-- [et_pb_line_break_holder] -->    width: 100%;<!-- [et_pb_line_break_holder] -->    height: 51px;<!-- [et_pb_line_break_holder] -->    padding: 10px 13px;<!-- [et_pb_line_break_holder] -->    border: 1px solid #596672;<!-- [et_pb_line_break_holder] -->    border-radius: 5px;<!-- [et_pb_line_break_holder] -->    color: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    font: inherit;<!-- [et_pb_line_break_holder] -->    font-size: 16px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-field input:focus,<!-- [et_pb_line_break_holder] -->  .srt-tol-field select:focus { border-color: #ff666b; outline: 3px solid rgba(255,102,107,.22); }<!-- [et_pb_line_break_holder] -->  .srt-tol-calc__hint { margin: 8px 0 0; color: #9eabb4; font-size: 12px; line-height: 1.45; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-result {<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    min-height: 100%;<!-- [et_pb_line_break_holder] -->    flex-direction: column;<!-- [et_pb_line_break_holder] -->    justify-content: center;<!-- [et_pb_line_break_holder] -->    padding: 34px;<!-- [et_pb_line_break_holder] -->    border: 1px solid var(--srt-line);<!-- [et_pb_line_break_holder] -->    border-radius: 9px;<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 12px 32px rgba(25,36,45,.08);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__label { color: var(--srt-red); font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__value { margin: 8px 0 9px; color: var(--srt-ink); font-size: clamp(42px, 7vw, 74px); font-weight: 800; letter-spacing: -.055em; line-height: 1; }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__range { margin: 0 0 23px; color: var(--srt-grey); font-size: 14px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__limits { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__limit { padding: 16px; border: 1px solid var(--srt-line); background: var(--srt-soft); }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__limit span { display: block; color: var(--srt-grey); font-size: 12px; font-weight: 700; text-transform: uppercase; }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__limit strong { display: block; margin-top: 4px; color: var(--srt-ink); font-size: 22px; line-height: 1.2; }<!-- [et_pb_line_break_holder] -->  .srt-tol-result__message { margin: 18px 0 0; color: var(--srt-grey); font-size: 13px; line-height: 1.5; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* TABELLE *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-standard + .srt-tol-standard { margin-top: 72px; padding-top: 62px; border-top: 1px solid var(--srt-line); }<!-- [et_pb_line_break_holder] -->  .srt-tol-table-head { display: flex; gap: 25px; justify-content: space-between; align-items: end; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table-head h3 { margin: 0; color: var(--srt-ink); font-size: 30px; line-height: 1.15; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table-head p { max-width: 520px; margin: 0; color: var(--srt-grey); font-size: 13px; text-align: right; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table-wrap { margin-top: 22px; overflow-x: auto; border: 1px solid var(--srt-line); border-radius: 10px; background: var(--srt-white); box-shadow: 0 14px 34px rgba(25,36,45,.09); }<!-- [et_pb_line_break_holder] -->  .srt-tol-table { width: 100%; min-width: 720px; border-collapse: collapse; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table th,<!-- [et_pb_line_break_holder] -->  .srt-tol-table td { padding: 15px 18px; border-bottom: 1px solid var(--srt-line); text-align: center; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table th { position: sticky; top: 0; z-index: 2; color: var(--srt-white); background: var(--srt-ink); font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table th:first-child { border-left: 6px solid var(--srt-red); text-align: left; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table td { color: #48545e; font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table td:first-child { color: var(--srt-ink); font-weight: 700; text-align: left; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table tbody tr:nth-child(even) { background: #f7f8f9; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table tbody tr:hover { background: #fff0f0; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table tbody tr:last-child td { border-bottom: 0; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table__na { color: #9ca6ae !important; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table-note { margin: 17px 0 0; padding-left: 16px; border-left: 4px solid var(--srt-red); color: var(--srt-grey); font-size: 13px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso { min-width: 1900px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso th,<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso td { padding: 12px 10px; font-size: 13px; white-space: nowrap; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso thead tr:first-child th { border-bottom: 1px solid #49545e; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso th:first-child,<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso td:first-child { position: sticky; left: 0; z-index: 3; min-width: 190px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso th:first-child { z-index: 5; background: var(--srt-ink); }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso td:first-child { background: var(--srt-white); }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso tbody tr:nth-child(even) td:first-child { background: #f7f8f9; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso tbody tr:hover td:first-child { background: #fff0f0; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table-caption { margin: 18px 0 0; padding: 15px 18px; border-left: 5px solid var(--srt-red); color: #c8d0d6; background: var(--srt-ink); font-size: 14px; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* ISO APPLICABILITY TO INVESTMENT CASTING *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-intro {<!-- [et_pb_line_break_holder] -->    margin-top: 25px;<!-- [et_pb_line_break_holder] -->    padding: 25px 27px;<!-- [et_pb_line_break_holder] -->    border: 1px solid var(--srt-line);<!-- [et_pb_line_break_holder] -->    border-left: 6px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 8px;<!-- [et_pb_line_break_holder] -->    background: #f8f9fa;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-intro p {<!-- [et_pb_line_break_holder] -->    margin: 0;<!-- [et_pb_line_break_holder] -->    color: #4f5b65;<!-- [et_pb_line_break_holder] -->    font-size: 15px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-intro p + p { margin-top: 12px; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-ranges {<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: repeat(3, 1fr);<!-- [et_pb_line_break_holder] -->    gap: 12px;<!-- [et_pb_line_break_holder] -->    margin-top: 18px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range {<!-- [et_pb_line_break_holder] -->    min-height: 92px;<!-- [et_pb_line_break_holder] -->    padding: 16px 18px;<!-- [et_pb_line_break_holder] -->    border-radius: 7px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range strong,<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range span { display: block; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range strong { color: var(--srt-ink); font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range span { margin-top: 3px; color: #5e6871; font-size: 13px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range--limit { border-top: 4px solid var(--srt-red); background: #fde7e8; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-range--limit span { color: #6e4a4d; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-legend {<!-- [et_pb_line_break_holder] -->    display: flex;<!-- [et_pb_line_break_holder] -->    flex-wrap: wrap;<!-- [et_pb_line_break_holder] -->    gap: 9px 18px;<!-- [et_pb_line_break_holder] -->    margin: 18px 0 0;<!-- [et_pb_line_break_holder] -->    color: #58636d;<!-- [et_pb_line_break_holder] -->    font-size: 12px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-iso-legend span { display: inline-flex; align-items: center; gap: 7px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-legend i { width: 14px; height: 14px; border-radius: 3px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-legend__valid i { background: #fde7e8; border: 1px solid #e9aeb2; }<!-- [et_pb_line_break_holder] -->  .srt-tol-iso-legend__outside i { background: #f0f2f3; border: 1px solid #cfd5da; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso.srt-tol-table--iso-limited { min-width: 1080px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited th.srt-tol-table__app-head { background: var(--srt-red); }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited td.srt-tol-table__applicable { color: #6e2024; background: #fde7e8; font-weight: 700; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited td.srt-tol-table__outside { color: #8b959d; background: #f0f2f3; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited tbody tr:nth-child(even) td.srt-tol-table__applicable { background: #f9dfe1; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited tbody tr:nth-child(even) td.srt-tol-table__outside { background: #e9edef; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited tbody tr:hover td.srt-tol-table__applicable { background: #f8d4d7; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--iso-limited tbody tr:hover td.srt-tol-table__outside { background: #e2e6e8; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* PRESCRIZIONI VDG P 690 *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-standard-badge {<!-- [et_pb_line_break_holder] -->    display: inline-flex;<!-- [et_pb_line_break_holder] -->    align-items: center;<!-- [et_pb_line_break_holder] -->    gap: 10px;<!-- [et_pb_line_break_holder] -->    margin-top: 25px;<!-- [et_pb_line_break_holder] -->    padding: 11px 15px;<!-- [et_pb_line_break_holder] -->    border-left: 5px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    color: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 8px 24px rgba(25,36,45,.08);<!-- [et_pb_line_break_holder] -->    font-size: 14px;<!-- [et_pb_line_break_holder] -->    font-weight: 800;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-standard-badge span { color: var(--srt-red); }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-tech-grid {<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: repeat(2, minmax(0, 1fr));<!-- [et_pb_line_break_holder] -->    gap: 22px;<!-- [et_pb_line_break_holder] -->    margin-top: 38px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card {<!-- [et_pb_line_break_holder] -->    padding: 31px 30px 28px;<!-- [et_pb_line_break_holder] -->    border-top: 6px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    background: var(--srt-white);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 12px 32px rgba(25,36,45,.09);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card--dark { color: var(--srt-white); background: var(--srt-ink); }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card h3 { margin: 0 0 12px; color: var(--srt-ink); font-size: 24px; line-height: 1.18; }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card--dark h3 { color: var(--srt-white); }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card p { margin: 0; color: var(--srt-grey); font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card--dark p { color: #c8d0d6; }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card ul { margin: 17px 0 0; padding: 0; list-style: none; }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card li { position: relative; margin-top: 9px; padding-left: 22px; color: var(--srt-grey); font-size: 14px; line-height: 1.48; }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card--dark li { color: #c8d0d6; }<!-- [et_pb_line_break_holder] -->  .srt-tol-tech-card li::before { position: absolute; top: 0; left: 0; color: var(--srt-red); content: \"\\2713\"; font-weight: 900; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-subsection { margin-top: 70px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-subsection:first-of-type { margin-top: 44px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-subsection h3 { margin: 0; color: var(--srt-ink); font-size: 30px; line-height: 1.15; }<!-- [et_pb_line_break_holder] -->  .srt-tol-subsection > p { max-width: 900px; margin: 14px 0 0; color: var(--srt-grey); font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--technical { min-width: 790px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--technical th { white-space: nowrap; }<!-- [et_pb_line_break_holder] -->  .srt-tol-table--technical td small { display: block; color: #7b8790; font-size: 11px; line-height: 1.35; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-form-note {<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: .72fr 1.28fr;<!-- [et_pb_line_break_holder] -->    gap: 0;<!-- [et_pb_line_break_holder] -->    margin-top: 26px;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    border-left: 8px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 10px;<!-- [et_pb_line_break_holder] -->    box-shadow: 0 16px 38px rgba(25,36,45,.14);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__title { padding: 34px; color: var(--srt-white); background: var(--srt-ink); }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__title h3 { margin: 0; color: var(--srt-white); font-size: 28px; line-height: 1.15; }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__title p { margin: 14px 0 0; color: #c8d0d6; font-size: 14px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__content { padding: 34px; background: var(--srt-white); }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__content p { margin: 0; color: var(--srt-grey); font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__content p + p { margin-top: 13px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-form-note__content strong { color: var(--srt-ink); }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-design-grid {<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: repeat(3, minmax(0, 1fr));<!-- [et_pb_line_break_holder] -->    gap: 16px;<!-- [et_pb_line_break_holder] -->    margin-top: 31px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-design-card { padding: 25px 23px; border: 1px solid var(--srt-line); background: var(--srt-white); }<!-- [et_pb_line_break_holder] -->  .srt-tol-design-card b { display: block; margin-bottom: 12px; color: var(--srt-red); font-size: 12px; letter-spacing: .08em; }<!-- [et_pb_line_break_holder] -->  .srt-tol-design-card h3 { margin: 0 0 8px; color: var(--srt-ink); font-size: 19px; line-height: 1.2; }<!-- [et_pb_line_break_holder] -->  .srt-tol-design-card p { margin: 0; color: var(--srt-grey); font-size: 13px; line-height: 1.5; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  .srt-tol-source-note {<!-- [et_pb_line_break_holder] -->    margin-top: 38px;<!-- [et_pb_line_break_holder] -->    padding: 20px 22px;<!-- [et_pb_line_break_holder] -->    border: 1px solid var(--srt-line);<!-- [et_pb_line_break_holder] -->    border-left: 5px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    background: #f8f9fa;<!-- [et_pb_line_break_holder] -->    color: var(--srt-grey);<!-- [et_pb_line_break_holder] -->    font-size: 13px;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-source-note a { color: var(--srt-red) !important; font-weight: 800; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* FATTORI *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-card-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 35px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-info-card { min-height: 205px; padding: 28px 24px 24px; border-top: 5px solid var(--srt-red); background: var(--srt-white); box-shadow: 0 10px 28px rgba(25,36,45,.08); }<!-- [et_pb_line_break_holder] -->  .srt-tol-info-card b { display: block; margin-bottom: 17px; color: var(--srt-red); font-size: 12px; letter-spacing: .08em; }<!-- [et_pb_line_break_holder] -->  .srt-tol-info-card h3 { margin: 0 0 9px; color: var(--srt-ink); font-size: 19px; line-height: 1.22; }<!-- [et_pb_line_break_holder] -->  .srt-tol-info-card p { margin: 0; color: var(--srt-grey); font-size: 14px; line-height: 1.5; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* AS-CAST OR CNC *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-decision {<!-- [et_pb_line_break_holder] -->    display: grid;<!-- [et_pb_line_break_holder] -->    grid-template-columns: .9fr 1.1fr;<!-- [et_pb_line_break_holder] -->    overflow: hidden;<!-- [et_pb_line_break_holder] -->    border-left: 8px solid var(--srt-red);<!-- [et_pb_line_break_holder] -->    border-radius: 12px;<!-- [et_pb_line_break_holder] -->    background: var(--srt-ink);<!-- [et_pb_line_break_holder] -->    box-shadow: 0 20px 48px rgba(25,36,45,.18);<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__title { display: flex; flex-direction: column; justify-content: center; padding: 52px 44px; color: var(--srt-white); background: var(--srt-ink); }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__title h2 { margin: 0; color: var(--srt-white); font-size: clamp(32px, 4vw, 46px); line-height: 1.08; }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__title p { margin: 19px 0 0; color: #c8d0d6; font-size: 17px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__list { display: grid; gap: 12px; padding: 42px; background: linear-gradient(145deg, #f9fafb, #e9edef); }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__item { position: relative; padding: 17px 18px 17px 51px; border: 1px solid var(--srt-line); background: var(--srt-white); box-shadow: 0 7px 20px rgba(25,36,45,.05); }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__item::before { position: absolute; top: 16px; left: 18px; color: var(--srt-red); content: \"\\2713\"; font-weight: 900; }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__item strong { display: block; color: var(--srt-ink); font-size: 15px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-decision__item span { display: block; margin-top: 2px; color: var(--srt-grey); font-size: 13px; line-height: 1.45; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* METODO *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-method { color: var(--srt-white); background: var(--srt-ink); }<!-- [et_pb_line_break_holder] -->  .srt-tol-method__flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-top: 36px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-method__step { position: relative; min-height: 150px; padding: 23px 18px; border: 1px solid #3b4650; border-radius: 7px; background: #28323b; }<!-- [et_pb_line_break_holder] -->  .srt-tol-method__step:not(:last-child)::after { position: absolute; z-index: 2; top: 50%; right: -14px; color: #ff666b; content: \"\\2192\"; font-size: 23px; font-weight: 900; transform: translateY(-50%); }<!-- [et_pb_line_break_holder] -->  .srt-tol-method__step b { display: block; margin-bottom: 13px; color: #ff666b; font-size: 12px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-method__step strong { display: block; color: var(--srt-white); font-size: 16px; line-height: 1.25; }<!-- [et_pb_line_break_holder] -->  .srt-tol-method__step span { display: block; margin-top: 7px; color: #aeb8c0; font-size: 12px; line-height: 1.4; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* APPROFONDIMENTI *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-topics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 17px; margin-top: 36px; }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic { position: relative; display: flex; grid-column: span 2; min-height: 230px; flex-direction: column; padding: 27px 25px 70px; overflow: hidden; border-top: 5px solid var(--srt-red); color: var(--srt-ink) !important; background: var(--srt-white); box-shadow: 0 10px 28px rgba(25,36,45,.08); transition: .22s ease; }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic:nth-child(4), .srt-tol-topic:nth-child(5) { grid-column: span 3; }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic:hover { transform: translateY(-5px); box-shadow: 0 18px 38px rgba(25,36,45,.14); }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic::after { position: absolute; right: 0; bottom: 0; width: 54px; height: 54px; color: var(--srt-white); background: var(--srt-red); content: \"\\2192\"; font-size: 22px; font-weight: 800; line-height: 54px; text-align: center; }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic b { display: block; margin-bottom: 14px; color: var(--srt-red); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic h3 { margin: 0 0 10px; color: var(--srt-ink); font-size: 21px; line-height: 1.2; }<!-- [et_pb_line_break_holder] -->  .srt-tol-topic p { margin: 0; color: var(--srt-grey); font-size: 14px; line-height: 1.5; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  \/* CTA *\/<!-- [et_pb_line_break_holder] -->  .srt-tol-cta { position: relative; overflow: hidden; padding: 74px 0; color: var(--srt-white); background: var(--srt-red); }<!-- [et_pb_line_break_holder] -->  .srt-tol-cta::after { position: absolute; top: -185px; right: -110px; width: 470px; height: 470px; border: 84px solid rgba(255,255,255,.1); border-radius: 50%; content: \"\"; }<!-- [et_pb_line_break_holder] -->  .srt-tol-cta__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto; gap: 42px; align-items: center; }<!-- [et_pb_line_break_holder] -->  .srt-tol-cta h2 { margin: 0 0 12px; color: var(--srt-white); font-size: clamp(32px, 4vw, 48px); line-height: 1.08; }<!-- [et_pb_line_break_holder] -->  .srt-tol-cta p { max-width: 760px; margin: 0; color: var(--srt-white); font-size: 17px; }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  @media (max-width: 1050px) {<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__panel,<!-- [et_pb_line_break_holder] -->    .srt-tol-calc-grid,<!-- [et_pb_line_break_holder] -->    .srt-tol-decision { grid-template-columns: 1fr; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__copy { min-height: auto; padding: 58px 45px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__copy::after { display: none; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__visual { min-height: 430px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__carousel { inset: 28px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-card-grid { grid-template-columns: repeat(2, 1fr); }<!-- [et_pb_line_break_holder] -->    .srt-tol-method__flow { grid-template-columns: repeat(3, 1fr); }<!-- [et_pb_line_break_holder] -->    .srt-tol-method__step:nth-child(3)::after { display: none; }<!-- [et_pb_line_break_holder] -->    .srt-tol-topics { grid-template-columns: repeat(2, 1fr); }<!-- [et_pb_line_break_holder] -->    .srt-tol-topic,<!-- [et_pb_line_break_holder] -->    .srt-tol-topic:nth-child(4) { grid-column: span 1; }<!-- [et_pb_line_break_holder] -->    .srt-tol-topic:nth-child(5) { grid-column: span 2; }<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  @media (max-width: 720px) {<!-- [et_pb_line_break_holder] -->    .srt-tol-page { font-size: 16px; }<!-- [et_pb_line_break_holder] -->    .srt-tol__wrap { width: min(calc(100% - 28px), var(--srt-max)); }<!-- [et_pb_line_break_holder] -->    .srt-tol__section { padding: 62px 0; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero { padding: 42px 0 22px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__copy { padding: 45px 27px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__copy p { font-size: 17px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__visual { min-height: 340px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__frame { inset: 30px 22px 36px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__carousel { inset: 20px 18px 20px 22px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__counter { top: 13px; right: 14px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-hero__word { padding: 11px 10px 8px; font-size: clamp(34px, 11vw, 48px); }<!-- [et_pb_line_break_holder] -->    .srt-tol-facts,<!-- [et_pb_line_break_holder] -->    .srt-tol-ref-grid,<!-- [et_pb_line_break_holder] -->    .srt-tol-grade-grid,<!-- [et_pb_line_break_holder] -->    .srt-tol-card-grid,<!-- [et_pb_line_break_holder] -->    .srt-tol-tech-grid,<!-- [et_pb_line_break_holder] -->    .srt-tol-design-grid,<!-- [et_pb_line_break_holder] -->    .srt-tol-method__flow,<!-- [et_pb_line_break_holder] -->    .srt-tol-topics,<!-- [et_pb_line_break_holder] -->    .srt-tol-cta__inner { grid-template-columns: 1fr; }<!-- [et_pb_line_break_holder] -->    .srt-tol-form-note { grid-template-columns: 1fr; }<!-- [et_pb_line_break_holder] -->    .srt-tol-fact { border-right: 0; border-bottom: 1px solid #3a4650; }<!-- [et_pb_line_break_holder] -->    .srt-tol-fact:last-child { border-bottom: 0; }<!-- [et_pb_line_break_holder] -->    .srt-tol-ref-card { min-height: 230px; padding: 29px 26px 26px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-calc__form,<!-- [et_pb_line_break_holder] -->    .srt-tol-result { padding: 27px 23px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-result__limits { grid-template-columns: 1fr; }<!-- [et_pb_line_break_holder] -->    .srt-tol-table-head { display: block; }<!-- [et_pb_line_break_holder] -->    .srt-tol-table-head p { margin-top: 12px; text-align: left; }<!-- [et_pb_line_break_holder] -->    .srt-tol-iso-ranges { grid-template-columns: 1fr; }<!-- [et_pb_line_break_holder] -->    .srt-tol-decision__title { padding: 42px 27px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-decision__list { padding: 27px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-method__step { min-height: 0; padding-right: 48px; }<!-- [et_pb_line_break_holder] -->    .srt-tol-method__step:not(:last-child)::after,<!-- [et_pb_line_break_holder] -->    .srt-tol-method__step:nth-child(3)::after { display: block; top: auto; right: 17px; bottom: -19px; transform: rotate(90deg); }<!-- [et_pb_line_break_holder] -->    .srt-tol-topic,<!-- [et_pb_line_break_holder] -->    .srt-tol-topic:nth-child(4),<!-- [et_pb_line_break_holder] -->    .srt-tol-topic:nth-child(5) { grid-column: span 1; }<!-- [et_pb_line_break_holder] -->    .srt-tol-cta { padding: 58px 0; }<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"srt-tol-page\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol-hero\" aria-labelledby=\"srt-tol-title\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-hero__panel\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-hero__copy\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol__eyebrow srt-tol__eyebrow--light\">Investment casting component design<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h1 class=\"srt-tol-hero__title\" id=\"srt-tol-title\">Investment casting tolerances<\/h1>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Linear dimensions, angles, geometry, wall thicknesses, radii and surfaces according to BDG\/VDG P 690, the technical reference adopted by SR Tech.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-hero__actions\"><!-- [et_pb_line_break_holder] -->            <a class=\"srt-tol__btn\" href=\"#calcolatore-tolleranze\">Calculate the tolerance<\/a><!-- [et_pb_line_break_holder] -->            <a class=\"srt-tol-hero__text-link\" href=\"#tabella-vdg-p690\">View the table<\/a><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-hero__visual\" aria-label=\"Examples of SR Tech investment cast components\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-hero__frame\" aria-hidden=\"true\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-hero__carousel\" aria-live=\"off\"><!-- [et_pb_line_break_holder] -->            <img class=\"srt-tol-hero__carousel-image is-active\" data-layer=\"a\"<!-- [et_pb_line_break_holder] -->                 src=&#8221;https:\/\/srtech.it\/wp-content\/uploads\/2026\/09\/0001.png&#8221;<!-- [et_pb_line_break_holder] -->                 alt=&#8221;Pump body, SR Tech investment cast component&#8221;<!-- [et_pb_line_break_holder] -->                 width=&#8221;600&#8243; height=&#8221;600&#8243; decoding=&#8221;async&#8221; fetchpriority=&#8221;high&#8221;><!-- [et_pb_line_break_holder] -->            <img class=\"srt-tol-hero__carousel-image\" data-layer=\"b\"<!-- [et_pb_line_break_holder] -->                 alt=&#8221;&#8221; width=&#8221;600&#8243; height=&#8221;600&#8243; decoding=&#8221;async&#8221;><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-hero__counter\" aria-hidden=\"true\">01 \/ 45<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-hero__word\" aria-hidden=\"true\">TOLERANCES<\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-facts\" aria-label=\"Key information\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-fact\"><b>01<\/b><strong>SR Tech reference<\/strong><span>BDG\/VDG P 690, September 2010<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-fact\"><b>02<\/b><strong>Material group D<\/strong><span>Iron-, nickel-, cobalt- and copper-based alloys<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-fact\"><b>03<\/b><strong>Complete analysis<\/strong><span>Dimensions, angles, geometry, wall thicknesses, radii and surfaces<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<nav class=\"srt-tol-index\" aria-label=\"Page contents\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap srt-tol-index__inner\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol-index__title\">On this page<\/span><!-- [et_pb_line_break_holder] -->      <a href=\"#introduzione\">Introduction<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#tabella-vdg-p690\">Linear dimensions<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#prescrizioni-vdg\">Angles and geometry<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#superfici-progettazione\">Surfaces and design<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#classi-tolleranza\">D1-D2-D3 grades<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#calcolatore-tolleranze\">Calculator<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#tabella-iso-8062\">ISO comparison<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#indicazioni-progettuali\">Design guidance<\/a><!-- [et_pb_line_break_holder] -->      <a href=\"#metodo-srtech\">SR Tech method<\/a><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/nav>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol__section--soft\" id=\"introduzione\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow\">SR Tech technical reference<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2\">BDG\/VDG P 690 as the reference for investment casting<\/h2>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-intro-copy\"><!-- [et_pb_line_break_holder] -->        <pee><strong>SR Tech uses BDG\/VDG P 690 as its technical reference<\/strong> when assessing tolerances for components manufactured by the lost-wax investment casting process. This German guideline is specific to the process and considers the combined effects of alloy, dimensions, geometry, pattern, ceramic shell and production cycle.<\/pee><!-- [et_pb_line_break_holder] -->        <pee>For stainless steels, carbon and alloy steels and, more generally, iron-, nickel-, cobalt- and copper-based alloys, <strong>material group D<\/strong> applies. P 690 defines three accuracy grades and covers not only linear dimensions, but also angular tolerances, radii, wall thicknesses, surface roughness, machining allowances and design guidance.<\/pee><!-- [et_pb_line_break_holder] -->        <pee>Form, orientation and location tolerances are not derived from a universal numerical table: they require datums defined on the drawing, specification in accordance with <strong>DIN EN ISO 1101<\/strong> and a specific agreement between customer and supplier. This distinction prevents a linear tolerance from being incorrectly extended to the overall geometry of the casting.<\/pee><!-- [et_pb_line_break_holder] -->        <pee><strong>ISO 8062-3:2023<\/strong> is also included on this page as an international comparison for metal castings. Unless the drawing or specification requires a different reference, SR Tech begins its technical assessment from P 690 and confirms feasibility on the actual component before tooling is manufactured.<\/pee><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-standard-badge\"><span>SR TECH<\/span> Adopted reference: BDG\/VDG P 690 &#8211; investment casting<\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-ref-grid\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-ref-card\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-ref-card__num\" aria-hidden=\"true\">01<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol__eyebrow\">Investment casting<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>BDG\/VDG P 690<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>SR Tech&#8217;s operational reference for linear and angular tolerances, form and location, radii, walls, surfaces and machining allowances.<\/pee><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-ref-card__note\">SR Tech reference<\/span><!-- [et_pb_line_break_holder] -->        <\/article>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-ref-card\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-ref-card__num\" aria-hidden=\"true\">02<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol__eyebrow\">Metal castings<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Serie ISO 8062<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>General international reference for metal castings, included for comparison and applied when required by the drawing.<\/pee><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-ref-card__note\">International comparison<\/span><!-- [et_pb_line_break_holder] -->        <\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol__section--white\" aria-labelledby=\"srt-tol-tables-title\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow\">Linear tolerances<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2\" id=\"srt-tol-tables-title\">Linear dimensions according to BDG\/VDG P 690<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"srt-tol__lead\">Material group D applies to the alloys normally supplied by SR Tech. Values shown as \u00b1 are half of the total DCT zone, assumed to be symmetrical about the nominal dimension.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-standard\" id=\"tabella-vdg-p690\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-table-head\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>VDG P 690 &#8211; Material group D<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Values in millimetres, expressed as a symmetrical \u00b1 deviation from the nominal dimension.<\/pee><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"Scrollable VDG P 690 tolerance table\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<table class=\"srt-tol-table\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<thead>\n<tr>\n<th>Nominal dimension<\/th>\n<th>D1<\/th>\n<th>D2<\/th>\n<th>D3<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Up to 6<\/td>\n<td>\u00b10.15<\/td>\n<td>\u00b10.12<\/td>\n<td>\u00b10.10<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 6 up to 10<\/td>\n<td>\u00b10.18<\/td>\n<td>\u00b10.14<\/td>\n<td>\u00b10.11<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 10 up to 18<\/td>\n<td>\u00b10.22<\/td>\n<td>\u00b10.17<\/td>\n<td>\u00b10.14<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 18 up to 30<\/td>\n<td>\u00b10.26<\/td>\n<td>\u00b10.20<\/td>\n<td>\u00b10.17<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 30 up to 50<\/td>\n<td>\u00b10.40<\/td>\n<td>\u00b10.31<\/td>\n<td>\u00b10.25<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 50 up to 80<\/td>\n<td>\u00b10.45<\/td>\n<td>\u00b10.37<\/td>\n<td>\u00b10.30<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 80 up to 120<\/td>\n<td>\u00b10.55<\/td>\n<td>\u00b10.44<\/td>\n<td>\u00b10.35<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 120 up to 180<\/td>\n<td>\u00b10.80<\/td>\n<td>\u00b10.65<\/td>\n<td>\u00b10.50<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 180 up to 250<\/td>\n<td>\u00b11.20<\/td>\n<td>\u00b10.95<\/td>\n<td>\u00b10.75<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 250 up to 315<\/td>\n<td>\u00b11.30<\/td>\n<td>\u00b11.10<\/td>\n<td>\u00b10.80<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 315 up to 400<\/td>\n<td>\u00b11.80<\/td>\n<td>\u00b11.40<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 400 up to 500<\/td>\n<td>\u00b12.00<\/td>\n<td>\u00b11.60<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 500 up to 630<\/td>\n<td>\u00b12.70<\/td>\n<td>\u00b12.20<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 630 up to 800<\/td>\n<td>\u00b13.10<\/td>\n<td>\u00b12.50<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 800 up to 1,000<\/td>\n<td>\u00b13.60<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->            <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->          <\/table>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"srt-tol-table-note\"><strong>VDG note:<\/strong> P 690 specifies the total DCT zone. Its position relative to the nominal dimension may be freely defined; this page uses the recommended symmetrical arrangement, so the \u00b1 values correspond to DCT\/2. Any different arrangement must be stated on the drawing.<\/pee><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-standard\" id=\"prescrizioni-vdg\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-table-head\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Complete P 690 requirements<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Guidance applicable to investment cast components. The following tables refer to material group D wherever the material affects the value.<\/pee><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-form-note\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-form-note__title\"><!-- [et_pb_line_break_holder] -->            <span class=\"srt-tol__eyebrow srt-tol__eyebrow--light\">Casting geometry<\/span><!-- [et_pb_line_break_holder] -->            <\/p>\n<h3>Form, orientation and location<\/h3>\n<p><!-- [et_pb_line_break_holder] -->            <pee>These tolerances cannot be replaced by a linear D1, D2 or D3 value alone.<\/pee><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-form-note__content\"><!-- [et_pb_line_break_holder] -->            <pee>P 690 covers geometrical tolerances used to limit deviations in <strong>form, orientation and location<\/strong>, but does not provide one general numerical table valid for every geometry.<\/pee><!-- [et_pb_line_break_holder] -->            <pee>Required characteristics \u2014 such as flatness, straightness, perpendicularity, parallelism, position, coaxiality or run-out \u2014 must be <strong>assessed individually<\/strong>, related to agreed datum planes and points, and specified on the drawing in accordance with DIN EN ISO 1101.<\/pee><!-- [et_pb_line_break_holder] -->            <pee>Three accuracy levels are available; grade 3 is reserved for individual characteristics and may require additional operations or tooling corrections.<\/pee><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\" id=\"tolleranze-angolari\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Angular tolerances<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>The dimensional range is determined by the length of the shorter side forming the angle. Deviation may occur in either direction; tighter values must be agreed and stated on the drawing.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"BDG VDG P 690 angular tolerances\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<table class=\"srt-tol-table srt-tol-table--technical\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<thead><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<th rowspan=\"2\">Shorter side<\/th>\n<th colspan=\"2\">Grade 1<\/th>\n<th colspan=\"2\">Grade 2<\/th>\n<th colspan=\"2\">Grade 3<\/th>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<th>Minutes<\/th>\n<th>mm \/ 100 mm<\/th>\n<th>Minutes<\/th>\n<th>mm \/ 100 mm<\/th>\n<th>Minutes<\/th>\n<th>mm \/ 100 mm<\/th>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/thead>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Up to 30 mm<\/td>\n<td>\u00b130\u2032<\/td>\n<td>\u00b10.87<\/td>\n<td>\u00b130\u2032<\/td>\n<td>\u00b10.87<\/td>\n<td>\u00b120\u2032<\/td>\n<td>\u00b10.58<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 30 up to 100 mm<\/td>\n<td>\u00b130\u2032<\/td>\n<td>\u00b10.87<\/td>\n<td>\u00b120\u2032<\/td>\n<td>\u00b10.58<\/td>\n<td>\u00b115\u2032<\/td>\n<td>\u00b10.44<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 100 up to 200 mm<\/td>\n<td>\u00b130\u2032<\/td>\n<td>\u00b10.87<\/td>\n<td>\u00b115\u2032<\/td>\n<td>\u00b10.44<\/td>\n<td>\u00b110\u2032<\/td>\n<td>\u00b10.29<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 200 mm<\/td>\n<td>\u00b130\u2032<\/td>\n<td>\u00b10.87<\/td>\n<td>\u00b115\u2032<\/td>\n<td>\u00b10.44<\/td>\n<td>\u00b110\u2032<\/td>\n<td>\u00b10.29<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->            <\/table>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\" id=\"raggi-raccordo\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Fillet radius tolerances<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>The values apply to material groups D, A and T. Above 120 mm, the tolerance is treated as a linear dimension according to the relevant grade.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"BDG VDG P 690 fillet radius tolerances\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<table class=\"srt-tol-table srt-tol-table--technical\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<thead>\n<tr>\n<th>Nominal radius<\/th>\n<th>Grade 1<\/th>\n<th>Grade 2<\/th>\n<th>Grade 3<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Up to 5 mm<\/td>\n<td>\u00b10.30<\/td>\n<td>\u00b10.20<\/td>\n<td>\u00b10.15<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 5 up to 10 mm<\/td>\n<td>\u00b10.45<\/td>\n<td>\u00b10.35<\/td>\n<td>\u00b10.25<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 10 up to 120 mm<\/td>\n<td>\u00b10.70<\/td>\n<td>\u00b10.50<\/td>\n<td>\u00b10.40<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 120 mm<\/td>\n<td colspan=\"3\">As the linear tolerance for the selected grade<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->            <\/table>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\" id=\"tolleranze-pareti\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Wall-thickness tolerances &#8211; group D<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Wall thickness depends on the ceramic walls that form it, the continuous area, possible thermal distortion and metallostatic pressure. The D1-D2-D3 grade does not alter these values: the shorter side of the continuous wall area determines the range.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"Group D wall-thickness tolerances\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<table class=\"srt-tol-table\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<thead>\n<tr>\n<th>Shorter side of the continuous area<\/th>\n<th>Thickness tolerance<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Up to 50 mm<\/td>\n<td>\u00b10.25 mm<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 50 up to 100 mm<\/td>\n<td>\u00b10.30 mm<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 100 up to 180 mm<\/td>\n<td>\u00b10.40 mm<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 180 up to 315 mm<\/td>\n<td>\u00b10.50 mm<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 315 mm<\/td>\n<td>\u00b10.60 mm<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->            <\/table>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <pee class=\"srt-tol-table-note\">If the area is interrupted by openings, holes, ribs or similar features, use the shorter side of the resulting continuous surface. Values apply to unmachined surfaces.<\/pee><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\" id=\"superfici-progettazione\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Surface roughness &#8211; group D<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>The values refer to blasted or pickled as-cast surfaces. Subsequent operations may alter both the surface and the dimensions and must therefore be considered in the supply specification.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"Group D surface roughness\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<table class=\"srt-tol-table\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<thead>\n<tr>\n<th>Surface grade<\/th>\n<th>Ra<\/th>\n<th>Condition<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>N7<\/td>\n<td>1.6 \u00b5m<\/td>\n<td>Subject to agreement; achievable with an additional treatment<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>N8<\/td>\n<td>3.2 \u00b5m<\/td>\n<td>To be agreed with the supplier<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>N9<\/td>\n<td>6.3 \u00b5m<\/td>\n<td>Standard condition on a blasted surface, unless otherwise agreed<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->            <\/table>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Design guidance and machining allowances<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>P 690 supplements the dimensional tables with the guidance required to make the component manufacturable and properly inspectable.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-design-grid\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>01<\/b><\/p>\n<h3>Datums<\/h3>\n<pee>The drawing must define datum planes and points consistent with inspection and machining. The primary datum is normally the largest surface.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>02<\/b><\/p>\n<h3>Wall thicknesses<\/h3>\n<pee>Wall thicknesses must always be dimensioned; over-dimensioning and redundant constraints should be avoided.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>03<\/b><\/p>\n<h3>Draft angles<\/h3>\n<pee>They are not normally required. Any process- or castability-related requirements must be agreed with the supplier.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>04<\/b><\/p>\n<h3>Internal radii<\/h3>\n<pee>Indicative minimum radius: approximately 20% of the maximum wall thickness and never less than 0.5 mm; preferably at least equal to the minimum wall thickness.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>05<\/b><\/p>\n<h3>External edges<\/h3>\n<pee>An as-cast part cannot produce a theoretical R0 edge. For group D, maximum indications such as R 0.5 max or chamfer 0.5 max are recommended.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>06<\/b><\/p>\n<h3>CNC allowance<\/h3>\n<pee>It must account for material, the least favourable position of the dimensional zone and geometrical deviations, while leaving enough material for finishing.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>07<\/b><\/p>\n<h3>Inserts and embedded parts<\/h3>\n<pee>Tolerances for prefabricated parts inserted or embedded in the casting must be agreed with the foundry.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>08<\/b><\/p>\n<h3>Rapid prototyping<\/h3>\n<pee>Patterns made by rapid-prototyping processes may produce different dimensional and surface tolerances, which must be agreed separately.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<article class=\"srt-tol-design-card\"><b>09<\/b><\/p>\n<h3>Initial samples<\/h3>\n<pee>Initial sampling enables mutual verification; accepted deviations must be incorporated into the casting documentation.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>As-cast through holes, blind holes and channels<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Indicative geometric ratios intended, where possible, to avoid preformed ceramic cores. Final feasibility depends on the complete geometry.<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"Geometric ratios for through holes, blind holes and channels\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<table class=\"srt-tol-table srt-tol-table--technical\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<thead>\n<tr>\n<th>Diameter d<\/th>\n<th>Maximum through length<\/th>\n<th>Maximum blind-hole depth<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>2 to 4 mm<\/td>\n<td>approx. 1 \u00d7 d<\/td>\n<td>approx. 0.6 \u00d7 d<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 4 up to 6 mm<\/td>\n<td>approx. 2 \u00d7 d<\/td>\n<td>approx. 1.0 \u00d7 d<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 6 up to 10 mm<\/td>\n<td>approx. 3 \u00d7 d<\/td>\n<td>approx. 1.6 \u00d7 d<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 10 mm<\/td>\n<td>approx. 4 \u00d7 d<\/td>\n<td>approx. 2.0 \u00d7 d<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->            <\/table>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-subsection\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>As-cast recesses and grooves<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"Geometric ratios for recesses and grooves\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<table class=\"srt-tol-table srt-tol-table--technical\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<thead>\n<tr>\n<th>Width b<\/th>\n<th>Maximum open depth<\/th>\n<th>Maximum closed depth<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>2 to 4 mm<\/td>\n<td>approx. 1 \u00d7 b<\/td>\n<td>approx. 1.0 \u00d7 b<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 4 up to 6 mm<\/td>\n<td>approx. 2 \u00d7 b<\/td>\n<td>approx. 1.0 \u00d7 b<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 6 up to 10 mm<\/td>\n<td>approx. 3 \u00d7 b<\/td>\n<td>approx. 1.6 \u00d7 b<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->                <\/p>\n<tr>\n<td>Over 10 mm<\/td>\n<td>approx. 4 \u00d7 b<\/td>\n<td>approx. 2.0 \u00d7 b<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->            <\/table>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <pee class=\"srt-tol-source-note\"><strong>Technical note:<\/strong> this page is a guidance tool and does not replace the standard, the approved drawing or the technical supply agreement. Consult the <a href=\"https:\/\/tsf.de\/wp-content\/uploads\/2024\/06\/p690-vdg_merkblatt_060619.pdf\" target=\"_blank\" rel=\"noopener\">BDG\/VDG P 690 document<\/a>.<\/pee><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-standard\" id=\"tabella-iso-8062\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-table-head\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>ISO 8062-3:2023 &#8211; Linear DCT tolerances<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Total DCT zone values in millimetres. The table is limited to DCTG grades 1\u20139 and nominal dimensions up to 1,600 mm.<\/pee><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-iso-intro\"><!-- [et_pb_line_break_holder] -->          <pee><strong>DCTG<\/strong> grades define the width of the total tolerance zone: a lower number corresponds to a tighter tolerance.<\/pee><!-- [et_pb_line_break_holder] -->          <pee>Red cells identify the dimensional range considered applicable to investment casting. Highlighting for each grade ends at its respective maximum nominal dimension.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-iso-ranges\" aria-label=\"Dimensional limits of DCTG grades for investment casting\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-iso-range srt-tol-iso-range--limit\"><strong>DCTG 4<\/strong><span>Applicable up to 100 mm<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-iso-range srt-tol-iso-range--limit\"><strong>DCTG 5<\/strong><span>Applicable up to 250 mm<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-iso-range srt-tol-iso-range--limit\"><strong>DCTG 6<\/strong><span>Applicable up to 400 mm<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-iso-range srt-tol-iso-range--limit\"><strong>DCTG 7<\/strong><span>Applicable up to 630 mm<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-iso-range srt-tol-iso-range--limit\"><strong>DCTG 8<\/strong><span>Applicable up to 1,000 mm<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-iso-range srt-tol-iso-range--limit\"><strong>DCTG 9<\/strong><span>Applicable up to 1,600 mm<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-iso-legend\" aria-label=\"ISO table colour key\"><!-- [et_pb_line_break_holder] -->            <span class=\"srt-tol-iso-legend__valid\"><i aria-hidden=\"true\"><\/i>Red field: applicable to investment casting<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"srt-tol-iso-legend__outside\"><i aria-hidden=\"true\"><\/i>Grey field: beyond the specified limit<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-table-wrap\" tabindex=\"0\" aria-label=\"ISO 8062-3 linear tolerance table up to DCTG 9\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<table class=\"srt-tol-table srt-tol-table--iso srt-tol-table--iso-limited\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<thead><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<th rowspan=\"2\">Nominal dimension<\/th>\n<th colspan=\"9\">Total linear dimensional tolerance zone DCT<\/th>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<th>DCTG 1<\/th>\n<th>DCTG 2<\/th>\n<th>DCTG 3<\/th>\n<th class=\"srt-tol-table__app-head\">DCTG 4<\/th>\n<th class=\"srt-tol-table__app-head\">DCTG 5<\/th>\n<th class=\"srt-tol-table__app-head\">DCTG 6<\/th>\n<th class=\"srt-tol-table__app-head\">DCTG 7<\/th>\n<th class=\"srt-tol-table__app-head\">DCTG 8<\/th>\n<th class=\"srt-tol-table__app-head\">DCTG 9<\/th>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->            <\/thead>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<tbody><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Up to 10<\/td>\n<td>0.09<\/td>\n<td>0.13<\/td>\n<td>0.18<\/td>\n<td class=\"srt-tol-table__applicable\">0.26<\/td>\n<td class=\"srt-tol-table__applicable\">0.36<\/td>\n<td class=\"srt-tol-table__applicable\">0.52<\/td>\n<td class=\"srt-tol-table__applicable\">0.74<\/td>\n<td class=\"srt-tol-table__applicable\">1<\/td>\n<td class=\"srt-tol-table__applicable\">1.5<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 10 up to 16<\/td>\n<td>0.10<\/td>\n<td>0.14<\/td>\n<td>0.20<\/td>\n<td class=\"srt-tol-table__applicable\">0.28<\/td>\n<td class=\"srt-tol-table__applicable\">0.38<\/td>\n<td class=\"srt-tol-table__applicable\">0.54<\/td>\n<td class=\"srt-tol-table__applicable\">0.78<\/td>\n<td class=\"srt-tol-table__applicable\">1.1<\/td>\n<td class=\"srt-tol-table__applicable\">1.6<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 16 up to 25<\/td>\n<td>0.11<\/td>\n<td>0.15<\/td>\n<td>0.22<\/td>\n<td class=\"srt-tol-table__applicable\">0.30<\/td>\n<td class=\"srt-tol-table__applicable\">0.42<\/td>\n<td class=\"srt-tol-table__applicable\">0.58<\/td>\n<td class=\"srt-tol-table__applicable\">0.82<\/td>\n<td class=\"srt-tol-table__applicable\">1.2<\/td>\n<td class=\"srt-tol-table__applicable\">1.7<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 25 up to 40<\/td>\n<td>0.12<\/td>\n<td>0.17<\/td>\n<td>0.24<\/td>\n<td class=\"srt-tol-table__applicable\">0.32<\/td>\n<td class=\"srt-tol-table__applicable\">0.46<\/td>\n<td class=\"srt-tol-table__applicable\">0.64<\/td>\n<td class=\"srt-tol-table__applicable\">0.90<\/td>\n<td class=\"srt-tol-table__applicable\">1.3<\/td>\n<td class=\"srt-tol-table__applicable\">1.8<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 40 up to 63<\/td>\n<td>0.13<\/td>\n<td>0.18<\/td>\n<td>0.26<\/td>\n<td class=\"srt-tol-table__applicable\">0.36<\/td>\n<td class=\"srt-tol-table__applicable\">0.50<\/td>\n<td class=\"srt-tol-table__applicable\">0.70<\/td>\n<td class=\"srt-tol-table__applicable\">1<\/td>\n<td class=\"srt-tol-table__applicable\">1.4<\/td>\n<td class=\"srt-tol-table__applicable\">2<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 63 up to 100<\/td>\n<td>0.14<\/td>\n<td>0.20<\/td>\n<td>0.28<\/td>\n<td class=\"srt-tol-table__applicable\">0.40<\/td>\n<td class=\"srt-tol-table__applicable\">0.56<\/td>\n<td class=\"srt-tol-table__applicable\">0.78<\/td>\n<td class=\"srt-tol-table__applicable\">1.1<\/td>\n<td class=\"srt-tol-table__applicable\">1.6<\/td>\n<td class=\"srt-tol-table__applicable\">2.2<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 100 up to 160<\/td>\n<td>0.15<\/td>\n<td>0.22<\/td>\n<td>0.30<\/td>\n<td class=\"srt-tol-table__outside\">0.44<\/td>\n<td class=\"srt-tol-table__applicable\">0.62<\/td>\n<td class=\"srt-tol-table__applicable\">0.88<\/td>\n<td class=\"srt-tol-table__applicable\">1.2<\/td>\n<td class=\"srt-tol-table__applicable\">1.8<\/td>\n<td class=\"srt-tol-table__applicable\">2.5<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 160 up to 250<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td>0.24<\/td>\n<td>0.34<\/td>\n<td class=\"srt-tol-table__outside\">0.50<\/td>\n<td class=\"srt-tol-table__applicable\">0.70<\/td>\n<td class=\"srt-tol-table__applicable\">1<\/td>\n<td class=\"srt-tol-table__applicable\">1.4<\/td>\n<td class=\"srt-tol-table__applicable\">2<\/td>\n<td class=\"srt-tol-table__applicable\">2.8<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 250 up to 400<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td>0.40<\/td>\n<td class=\"srt-tol-table__outside\">0.56<\/td>\n<td class=\"srt-tol-table__outside\">0.78<\/td>\n<td class=\"srt-tol-table__applicable\">1.1<\/td>\n<td class=\"srt-tol-table__applicable\">1.6<\/td>\n<td class=\"srt-tol-table__applicable\">2.2<\/td>\n<td class=\"srt-tol-table__applicable\">3.2<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 400 up to 630<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__outside\">0.64<\/td>\n<td class=\"srt-tol-table__outside\">0.90<\/td>\n<td class=\"srt-tol-table__outside\">1.2<\/td>\n<td class=\"srt-tol-table__applicable\">1.8<\/td>\n<td class=\"srt-tol-table__applicable\">2.6<\/td>\n<td class=\"srt-tol-table__applicable\">3.6<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 630 up to 1,000<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__outside\">1<\/td>\n<td class=\"srt-tol-table__outside\">1.4<\/td>\n<td class=\"srt-tol-table__outside\">2<\/td>\n<td class=\"srt-tol-table__applicable\">2.8<\/td>\n<td class=\"srt-tol-table__applicable\">4<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->              <\/p>\n<tr>\n<td>Over 1,000 up to 1,600<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__na\">\u2014<\/td>\n<td class=\"srt-tol-table__outside\">1.6<\/td>\n<td class=\"srt-tol-table__outside\">2.2<\/td>\n<td class=\"srt-tol-table__outside\">3.2<\/td>\n<td class=\"srt-tol-table__applicable\">4.6<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] -->            <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->          <\/table>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <pee class=\"srt-tol-table-note\"><strong>ISO note:<\/strong> values represent the total DCT zone. With a symmetrical distribution, the upper and lower deviations each equal half of the stated value. Highlighting identifies the dimensional range considered applicable to investment casting for each grade.<\/pee><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol-grades\" id=\"classi-tolleranza\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow srt-tol__eyebrow--light\">Accuracy grades<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2 srt-tol__h2--light\">How to read D1, D2 and D3<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"srt-tol__lead srt-tol__lead--light\">For material group D, P 690 defines three levels. The grade must be selected according to the function of the dimension.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-grade-grid\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-grade\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-grade__code\">D1<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Free dimensions<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Grade applicable to dimensions that are not individually toleranced on the drawing.<\/pee><!-- [et_pb_line_break_holder] -->        <\/article>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-grade\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-grade__code\">D2<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Toleranced dimensions<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Grade used for dimensions to which a specific tolerance is assigned.<\/pee><!-- [et_pb_line_break_holder] -->        <\/article>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-grade\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-grade__code\">D3<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Dimensions subject to agreement<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <pee>Achievable only for certain dimensions, subject to agreement with the foundry and process verification.<\/pee><!-- [et_pb_line_break_holder] -->        <\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol__section--soft\" id=\"calcolatore-tolleranze\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow\">Reference tool<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2\">VDG P 690 tolerance calculator<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"srt-tol__lead\">Enter the nominal dimension and select the grade. The calculator returns the symmetrical tolerance and the corresponding dimensional limits.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-calc-grid\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-calc__form\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<h3>Dimension data<\/h3>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-field\"><!-- [et_pb_line_break_holder] -->            <label for=\"srt-tol-size\">Nominal dimension in mm<\/label><!-- [et_pb_line_break_holder] -->            <input id=\"srt-tol-size\" type=\"number\" min=\"0.01\" max=\"1000\" step=\"0.01\" inputmode=\"decimal\" value=\"50\" aria-describedby=\"srt-tol-size-help\"><!-- [et_pb_line_break_holder] -->            <pee class=\"srt-tol-calc__hint\" id=\"srt-tol-size-help\">Reference range: greater than 0 and up to 1,000 mm.<\/pee><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-field\"><!-- [et_pb_line_break_holder] -->            <label for=\"srt-tol-grade\">Accuracy grade<\/label><!-- [et_pb_line_break_holder] -->            <select id=\"srt-tol-grade\"><!-- [et_pb_line_break_holder] --><option value=\"D1\">D1 \u2013 Free dimensions<\/option><!-- [et_pb_line_break_holder] --><option value=\"D2\" selected>D2 \u2013 Toleranced dimensions<\/option><!-- [et_pb_line_break_holder] --><option value=\"D3\">D3 \u2013 Subject to agreement<\/option><!-- [et_pb_line_break_holder] -->            <\/select><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-result\" aria-live=\"polite\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol-result__label\">Resulting tolerance<\/span><!-- [et_pb_line_break_holder] -->          <strong class=\"srt-tol-result__value\" data-result-value>\u00b10.31 mm<\/strong><!-- [et_pb_line_break_holder] -->          <pee class=\"srt-tol-result__range\" data-result-range>Range: over 30 up to 50 mm \u00b7 Grade D2<\/pee><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-result__limits\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-result__limit\"><span>Lower limit<\/span><strong data-result-min>49.69 mm<\/strong><\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"srt-tol-result__limit\"><span>Upper limit<\/span><strong data-result-max>50.31 mm<\/strong><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <pee class=\"srt-tol-result__message\" data-result-message>Value calculated assuming that the tolerance zone is distributed symmetrically about the nominal dimension.<\/pee><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol__section--white\" id=\"indicazioni-progettuali\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow\">Design guidance<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2\">What affects the achievable tolerance<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"srt-tol__lead\">Tabulated values are an initial reference. Feasibility must be verified on the actual component.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-card-grid\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-info-card\"><b>01<\/b><\/p>\n<h3>Material<\/h3>\n<pee>Alloy characteristics affect the behaviour of the casting throughout the process.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-info-card\"><b>02<\/b><\/p>\n<h3>Dimensions<\/h3>\n<pee>The tolerance varies according to the range into which the nominal dimension falls.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-info-card\"><b>03<\/b><\/p>\n<h3>Component shape<\/h3>\n<pee>Geometry, datums and mass distribution must be assessed together.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<article class=\"srt-tol-info-card\"><b>04<\/b><\/p>\n<h3>Subsequent processes<\/h3>\n<pee>Treatments and machining may require allowances or specific agreements.<\/pee><\/article>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol__section--soft\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-decision\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-decision__title\"><!-- [et_pb_line_break_holder] -->          <span class=\"srt-tol__eyebrow srt-tol__eyebrow--light\">Manufacturing decision<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<h2>As-cast or CNC machined?<\/h2>\n<p><!-- [et_pb_line_break_holder] -->          <pee>The function of the dimension determines whether it can be achieved directly by investment casting or requires subsequent machining.<\/pee><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-decision__list\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-decision__item\"><strong>Non-functional dimensions<\/strong><span>May be assessed for supply in the as-cast condition.<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-decision__item\"><strong>Fits and seats<\/strong><span>Require verification of functional tolerances and any necessary CNC machining.<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-decision__item\"><strong>Threads and precision diameters<\/strong><span>Must be defined on the drawing and are normally produced by machining.<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"srt-tol-decision__item\"><strong>Critical dimensions<\/strong><span>Must be agreed before tooling and verified during sampling.<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol-method\" id=\"metodo-srtech\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow srt-tol__eyebrow--light\">SR Tech technical support<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2 srt-tol__h2--light\">From drawing to production<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"srt-tol__lead srt-tol__lead--light\">Together with the customer, we identify the dimensions achievable directly by investment casting and those that require machining.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"srt-tol-method__flow\" aria-label=\"Project management stages\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-method__step\"><b>01<\/b><strong>Drawing analysis<\/strong><span>Dimensions, tolerances and datums<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-method__step\"><b>02<\/b><strong>Feasibility review<\/strong><span>Process, alloy and geometry<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-method__step\"><b>03<\/b><strong>CNC definition<\/strong><span>Surfaces and dimensions to machine<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-method__step\"><b>04<\/b><strong>Sampling<\/strong><span>Validation of initial components<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"srt-tol-method__step\"><b>05<\/b><strong>Quality control<\/strong><span>Dimensional reports and production<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol__section srt-tol__section--soft\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap\"><!-- [et_pb_line_break_holder] -->      <span class=\"srt-tol__eyebrow\">More about investment casting<\/span><!-- [et_pb_line_break_holder] -->      <\/p>\n<h2 class=\"srt-tol__h2\">Technology, process and supply<\/h2>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"srt-tol__lead\">Explore the pages dedicated to the design and production of investment cast components.<\/pee><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<nav class=\"srt-tol-topics\" aria-label=\"Related pages\"><!-- [et_pb_line_break_holder] -->        <a class=\"srt-tol-topic\" href=\"https:\/\/srtech.it\/en\/investment-casting\/\"><b>Technology<\/b><\/p>\n<h3>Lost-wax investment casting<\/h3>\n<pee>Characteristics, materials, advantages and supply organisation.<\/pee><\/a><!-- [et_pb_line_break_holder] -->        <a class=\"srt-tol-topic\" href=\"https:\/\/srtech.it\/en\/investment-casting-process-2\/\"><b>Process<\/b><\/p>\n<h3>The investment casting process<\/h3>\n<pee>From wax pattern to pouring, finishing and inspection.<\/pee><\/a><!-- [et_pb_line_break_holder] -->        <a class=\"srt-tol-topic\" href=\"https:\/\/srtech.it\/en\/investment-casting-products\/\"><b>Components<\/b><\/p>\n<h3>Investment casting products<\/h3>\n<pee>Examples of as-cast, machined and finished components.<\/pee><\/a><!-- [et_pb_line_break_holder] -->        <a class=\"srt-tol-topic\" href=\"https:\/\/srtech.it\/en\/comparison-between-investment-casting-and-other-technologies\/\"><b>Process selection<\/b><\/p>\n<h3>Comparison between technologies<\/h3>\n<pee>Compare investment casting with other manufacturing processes.<\/pee><\/a><!-- [et_pb_line_break_holder] -->        <a class=\"srt-tol-topic\" href=\"https:\/\/srtech.it\/en\/kanban-stock-management\/\"><b>Supply continuity<\/b><\/p>\n<h3>Kanban stock management<\/h3>\n<pee>Dedicated stock at the SR Tech warehouse in Parma.<\/pee><\/a><!-- [et_pb_line_break_holder] -->      <\/nav>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <\/p>\n<section class=\"srt-tol-cta\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"srt-tol__wrap srt-tol-cta__inner\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div><!-- [et_pb_line_break_holder] -->        <\/p>\n<h2>Do you need to verify a tolerance?<\/h2>\n<p><!-- [et_pb_line_break_holder] -->        <pee>Send us your component drawing. We will assess which dimensions can remain as-cast and which require machining.<\/pee><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <a class=\"srt-tol__btn srt-tol__btn--dark\" href=\"mailto:commerciale@srtech.it?subject=Investment%20casting%20tolerance%20verification\">Send your drawing<\/a><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  <script><!-- [et_pb_line_break_holder] -->    (function () {<!-- [et_pb_line_break_holder] -->      var root = document.currentScript.closest('.srt-tol-page');<!-- [et_pb_line_break_holder] -->      if (!root) return;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      \/* Hero carousel: 45 images, changes every 3 seconds, 0.7-second fade *\/<!-- [et_pb_line_break_holder] -->      var carousel = root.querySelector('.srt-tol-hero__carousel');<!-- [et_pb_line_break_holder] -->      var counter = root.querySelector('.srt-tol-hero__counter');<!-- [et_pb_line_break_holder] -->      if (carousel && root.dataset.carouselInitialized !== 'true') {<!-- [et_pb_line_break_holder] -->        root.dataset.carouselInitialized = 'true';<!-- [et_pb_line_break_holder] -->        var baseUrl = 'https:\/\/srtech.it\/wp-content\/uploads\/2026\/09\/';<!-- [et_pb_line_break_holder] -->        var titles = [<!-- [et_pb_line_break_holder] -->          'Pump body', 'Pump body', 'Pump body', 'Pump body',<!-- [et_pb_line_break_holder] -->          'Support bracket', 'Flanges', 'Flanged support', 'Pump cover',<!-- [et_pb_line_break_holder] -->          'Open impeller', 'Open impeller', 'Closed impeller', 'Closed impeller',<!-- [et_pb_line_break_holder] -->          'Auger', 'Lever arm', 'Propeller', 'Terminal box cover',<!-- [et_pb_line_break_holder] -->          'Front flange', 'MEC80 housing', 'Tap', 'Drain tap',<!-- [et_pb_line_break_holder] -->          'Steam tap', 'End fitting', 'Filter holder', 'Dispensing nozzles',<!-- [et_pb_line_break_holder] -->          'Touchscreen frame', 'Lock block', 'Oven accessories', 'Hinge',<!-- [et_pb_line_break_holder] -->          'Safety key', 'Tap support', 'Refrigerator hinge', 'Oven hinge',<!-- [et_pb_line_break_holder] -->          'Bearing support', 'Protective grille', 'Lock housing', 'Display housing',<!-- [et_pb_line_break_holder] -->          'Hooks', 'Mixer impeller', 'Filter cover', 'Filter flange',<!-- [et_pb_line_break_holder] -->          'Filter head', 'Cylinder heads', 'Marine steering wheel', 'V-clamps', 'Clamps'<!-- [et_pb_line_break_holder] -->        ];<!-- [et_pb_line_break_holder] -->        var activeImage = carousel.querySelector('[data-layer=\"a\"]');<!-- [et_pb_line_break_holder] -->        var standbyImage = carousel.querySelector('[data-layer=\"b\"]');<!-- [et_pb_line_break_holder] -->        var currentImageIndex = 0;<!-- [et_pb_line_break_holder] -->        var carouselLoading = false;<!-- [et_pb_line_break_holder] -->        var carouselTimer = null;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        function carouselSource(index) {<!-- [et_pb_line_break_holder] -->          return baseUrl + String(index + 1).padStart(4, '0') + '.png';<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        function showNextImage() {<!-- [et_pb_line_break_holder] -->          if (carouselLoading) return;<!-- [et_pb_line_break_holder] -->          carouselLoading = true;<!-- [et_pb_line_break_holder] -->          var nextIndex = (currentImageIndex + 1) % titles.length;<!-- [et_pb_line_break_holder] -->          var preload = new Image();<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->          preload.onload = function () {<!-- [et_pb_line_break_holder] -->            standbyImage.src = preload.src;<!-- [et_pb_line_break_holder] -->            standbyImage.alt = titles[nextIndex] + ', SR Tech investment cast component';<!-- [et_pb_line_break_holder] -->            standbyImage.classList.add('is-active');<!-- [et_pb_line_break_holder] -->            activeImage.classList.remove('is-active');<!-- [et_pb_line_break_holder] -->            currentImageIndex = nextIndex;<!-- [et_pb_line_break_holder] -->            counter.textContent = String(currentImageIndex + 1).padStart(2, '0') + ' \/ ' + titles.length;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->            window.setTimeout(function () {<!-- [et_pb_line_break_holder] -->              var previousImage = activeImage;<!-- [et_pb_line_break_holder] -->              activeImage = standbyImage;<!-- [et_pb_line_break_holder] -->              standbyImage = previousImage;<!-- [et_pb_line_break_holder] -->              standbyImage.removeAttribute('src');<!-- [et_pb_line_break_holder] -->              standbyImage.alt = '';<!-- [et_pb_line_break_holder] -->              carouselLoading = false;<!-- [et_pb_line_break_holder] -->            }, 700);<!-- [et_pb_line_break_holder] -->          };<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->          preload.onerror = function () { carouselLoading = false; };<!-- [et_pb_line_break_holder] -->          preload.src = carouselSource(nextIndex);<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        function startCarousel() {<!-- [et_pb_line_break_holder] -->          if (carouselTimer) return;<!-- [et_pb_line_break_holder] -->          carouselTimer = window.setInterval(showNextImage, 3000);<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        function stopCarousel() {<!-- [et_pb_line_break_holder] -->          if (!carouselTimer) return;<!-- [et_pb_line_break_holder] -->          window.clearInterval(carouselTimer);<!-- [et_pb_line_break_holder] -->          carouselTimer = null;<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        document.addEventListener('visibilitychange', function () {<!-- [et_pb_line_break_holder] -->          if (document.hidden) stopCarousel(); else startCarousel();<!-- [et_pb_line_break_holder] -->        });<!-- [et_pb_line_break_holder] -->        startCarousel();<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      var rows = [<!-- [et_pb_line_break_holder] -->        { min: 0, max: 6, label: 'up to 6 mm', D1: 0.15, D2: 0.12, D3: 0.10 },<!-- [et_pb_line_break_holder] -->        { min: 6, max: 10, label: 'over 6 up to 10 mm', D1: 0.18, D2: 0.14, D3: 0.11 },<!-- [et_pb_line_break_holder] -->        { min: 10, max: 18, label: 'over 10 up to 18 mm', D1: 0.22, D2: 0.17, D3: 0.14 },<!-- [et_pb_line_break_holder] -->        { min: 18, max: 30, label: 'over 18 up to 30 mm', D1: 0.26, D2: 0.20, D3: 0.17 },<!-- [et_pb_line_break_holder] -->        { min: 30, max: 50, label: 'over 30 up to 50 mm', D1: 0.40, D2: 0.31, D3: 0.25 },<!-- [et_pb_line_break_holder] -->        { min: 50, max: 80, label: 'over 50 up to 80 mm', D1: 0.45, D2: 0.37, D3: 0.30 },<!-- [et_pb_line_break_holder] -->        { min: 80, max: 120, label: 'over 80 up to 120 mm', D1: 0.55, D2: 0.44, D3: 0.35 },<!-- [et_pb_line_break_holder] -->        { min: 120, max: 180, label: 'over 120 up to 180 mm', D1: 0.80, D2: 0.65, D3: 0.50 },<!-- [et_pb_line_break_holder] -->        { min: 180, max: 250, label: 'over 180 up to 250 mm', D1: 1.20, D2: 0.95, D3: 0.75 },<!-- [et_pb_line_break_holder] -->        { min: 250, max: 315, label: 'over 250 up to 315 mm', D1: 1.30, D2: 1.10, D3: 0.80 },<!-- [et_pb_line_break_holder] -->        { min: 315, max: 400, label: 'over 315 up to 400 mm', D1: 1.80, D2: 1.40, D3: null },<!-- [et_pb_line_break_holder] -->        { min: 400, max: 500, label: 'over 400 up to 500 mm', D1: 2.00, D2: 1.60, D3: null },<!-- [et_pb_line_break_holder] -->        { min: 500, max: 630, label: 'over 500 up to 630 mm', D1: 2.70, D2: 2.20, D3: null },<!-- [et_pb_line_break_holder] -->        { min: 630, max: 800, label: 'over 630 up to 800 mm', D1: 3.10, D2: 2.50, D3: null },<!-- [et_pb_line_break_holder] -->        { min: 800, max: 1000, label: 'over 800 up to 1,000 mm', D1: 3.60, D2: null, D3: null }<!-- [et_pb_line_break_holder] -->      ];<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      var sizeInput = root.querySelector('#srt-tol-size');<!-- [et_pb_line_break_holder] -->      var gradeInput = root.querySelector('#srt-tol-grade');<!-- [et_pb_line_break_holder] -->      var valueEl = root.querySelector('[data-result-value]');<!-- [et_pb_line_break_holder] -->      var rangeEl = root.querySelector('[data-result-range]');<!-- [et_pb_line_break_holder] -->      var minEl = root.querySelector('[data-result-min]');<!-- [et_pb_line_break_holder] -->      var maxEl = root.querySelector('[data-result-max]');<!-- [et_pb_line_break_holder] -->      var messageEl = root.querySelector('[data-result-message]');<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      function formatNumber(value) {<!-- [et_pb_line_break_holder] -->        return value.toLocaleString('en-GB', { minimumFractionDigits: 2, maximumFractionDigits: 2 });<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      function resetResult(message) {<!-- [et_pb_line_break_holder] -->        valueEl.textContent = '\u2014';<!-- [et_pb_line_break_holder] -->        rangeEl.textContent = 'No value available';<!-- [et_pb_line_break_holder] -->        minEl.textContent = '\u2014';<!-- [et_pb_line_break_holder] -->        maxEl.textContent = '\u2014';<!-- [et_pb_line_break_holder] -->        messageEl.textContent = message;<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      function calculate() {<!-- [et_pb_line_break_holder] -->        var nominal = Number(String(sizeInput.value).replace(',', '.'));<!-- [et_pb_line_break_holder] -->        var grade = gradeInput.value;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        if (!Number.isFinite(nominal) || nominal <= 0 || nominal > 1000) {<!-- [et_pb_line_break_holder] -->          resetResult('Enter a dimension greater than 0 and no greater than 1,000 mm.');<!-- [et_pb_line_break_holder] -->          return;<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        var row = rows.find(function (item, index) {<!-- [et_pb_line_break_holder] -->          return index === 0 ? nominal > 0 && nominal <= item.max : nominal > item.min && nominal <= item.max;<!-- [et_pb_line_break_holder] -->        });<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        if (!row || row[grade] === null) {<!-- [et_pb_line_break_holder] -->          resetResult('Grade ' + grade + ' is not specified in the P 690 table for this dimensional range. The tolerance must be agreed with the foundry.');<!-- [et_pb_line_break_holder] -->          rangeEl.textContent = row ? 'Range: ' + row.label + ' \u00b7 Grade ' + grade : 'No range available';<!-- [et_pb_line_break_holder] -->          return;<!-- [et_pb_line_break_holder] -->        }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->        var tolerance = row[grade];<!-- [et_pb_line_break_holder] -->        valueEl.textContent = '\u00b1' + formatNumber(tolerance) + ' mm';<!-- [et_pb_line_break_holder] -->        rangeEl.textContent = 'Range: ' + row.label + ' \u00b7 Grade ' + grade;<!-- [et_pb_line_break_holder] -->        minEl.textContent = formatNumber(nominal - tolerance) + ' mm';<!-- [et_pb_line_break_holder] -->        maxEl.textContent = formatNumber(nominal + tolerance) + ' mm';<!-- [et_pb_line_break_holder] -->        messageEl.textContent = 'Value calculated assuming that the tolerance zone is distributed symmetrically about the nominal dimension.';<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      sizeInput.addEventListener('input', calculate);<!-- [et_pb_line_break_holder] -->      gradeInput.addEventListener('change', calculate);<!-- [et_pb_line_break_holder] -->      calculate();<!-- [et_pb_line_break_holder] -->    }());<!-- [et_pb_line_break_holder] -->  <\/script><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_fullwidth_code][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2144,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-6092","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Investment Casting Dimensional Tolerances | SR Tech srl - Articoli Tecnici a Disegno<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Investment Casting Dimensional Tolerances | SR Tech srl - Articoli Tecnici a Disegno\" \/>\n<meta property=\"og:url\" content=\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/\" \/>\n<meta property=\"og:site_name\" content=\"SR Tech srl - Articoli Tecnici a Disegno\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SRTechsrl\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-16T15:33:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/srtech.it\/wp-content\/uploads\/2020\/04\/Microfusione-sfondo-2-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1100\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/\",\"url\":\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/\",\"name\":\"Investment Casting Dimensional Tolerances | SR Tech srl - Articoli Tecnici a Disegno\",\"isPartOf\":{\"@id\":\"https:\/\/srtech.it\/#website\"},\"datePublished\":\"2026-09-16T14:45:55+00:00\",\"dateModified\":\"2026-09-16T15:33:50+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/srtech.it\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Investment Casting Dimensional Tolerances\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/srtech.it\/#website\",\"url\":\"https:\/\/srtech.it\/\",\"name\":\"SR Tech srl - Microfusione Fusione a Cera Persa\",\"description\":\"Microfusione, Fusione a Cera Persa, MIM, Metal Injection Molding, Stampi Plastica, Stampaggio Materie Plastiche, Sinterizzati\",\"publisher\":{\"@id\":\"https:\/\/srtech.it\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/srtech.it\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/srtech.it\/#organization\",\"name\":\"sr tech srl\",\"url\":\"https:\/\/srtech.it\/\",\"sameAs\":[\"https:\/\/www.linkedin.com\/company\/srtech\/\",\"https:\/\/www.facebook.com\/SRTechsrl\/\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/srtech.it\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/srtech.it\/wp-content\/uploads\/2019\/06\/Logo01.jpg\",\"contentUrl\":\"https:\/\/srtech.it\/wp-content\/uploads\/2019\/06\/Logo01.jpg\",\"width\":1134,\"height\":1046,\"caption\":\"sr tech srl\"},\"image\":{\"@id\":\"https:\/\/srtech.it\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Investment Casting Dimensional Tolerances | SR Tech srl - Articoli Tecnici a Disegno","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/","og_locale":"en_US","og_type":"article","og_title":"Investment Casting Dimensional Tolerances | SR Tech srl - Articoli Tecnici a Disegno","og_url":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/","og_site_name":"SR Tech srl - Articoli Tecnici a Disegno","article_publisher":"https:\/\/www.facebook.com\/SRTechsrl\/","article_modified_time":"2026-09-16T15:33:50+00:00","og_image":[{"width":1100,"height":200,"url":"https:\/\/srtech.it\/wp-content\/uploads\/2020\/04\/Microfusione-sfondo-2-1.png","type":"image\/png"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/","url":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/","name":"Investment Casting Dimensional Tolerances | SR Tech srl - Articoli Tecnici a Disegno","isPartOf":{"@id":"https:\/\/srtech.it\/#website"},"datePublished":"2026-09-16T14:45:55+00:00","dateModified":"2026-09-16T15:33:50+00:00","breadcrumb":{"@id":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/srtech.it\/en\/investment-casting-dimensional-tolerances\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/srtech.it\/en\/"},{"@type":"ListItem","position":2,"name":"Investment Casting Dimensional Tolerances"}]},{"@type":"WebSite","@id":"https:\/\/srtech.it\/#website","url":"https:\/\/srtech.it\/","name":"SR Tech srl - Microfusione Fusione a Cera Persa","description":"Microfusione, Fusione a Cera Persa, MIM, Metal Injection Molding, Stampi Plastica, Stampaggio Materie Plastiche, Sinterizzati","publisher":{"@id":"https:\/\/srtech.it\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/srtech.it\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/srtech.it\/#organization","name":"sr tech srl","url":"https:\/\/srtech.it\/","sameAs":["https:\/\/www.linkedin.com\/company\/srtech\/","https:\/\/www.facebook.com\/SRTechsrl\/"],"logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/srtech.it\/#\/schema\/logo\/image\/","url":"https:\/\/srtech.it\/wp-content\/uploads\/2019\/06\/Logo01.jpg","contentUrl":"https:\/\/srtech.it\/wp-content\/uploads\/2019\/06\/Logo01.jpg","width":1134,"height":1046,"caption":"sr tech srl"},"image":{"@id":"https:\/\/srtech.it\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/pages\/6092","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/comments?post=6092"}],"version-history":[{"count":3,"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/pages\/6092\/revisions"}],"predecessor-version":[{"id":6112,"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/pages\/6092\/revisions\/6112"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/media\/2144"}],"wp:attachment":[{"href":"https:\/\/srtech.it\/en\/wp-json\/wp\/v2\/media?parent=6092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}