Propiedades generales de los aceros para herramientas | Referencia de grados AISI<\/title>\n<meta name=\"description\" content=\"Wear resistance, toughness, hot hardness, working hardness, depth of hardening and grain size for 75 AISI tool steel grades, with heat-treatment notes and hardness data.\">\n<style>\n:root{\n --aobo-accent:#2563eb; --aobo-accent-dark:#1e1e2e; --aobo-blue:#0c56d0; --aobo-blue-dark:#073b91;\n --aobo-text:#333; --aobo-muted:#888; --aobo-border:#e5e7eb; --aobo-border-dark:#ddd;\n --aobo-stripe:#f7f7f9; --aobo-hover:#e8f0fe; --aobo-radius:8px; --aobo-radius-sm:6px;\n --aobo-orange:#f59e0b; --aobo-fill:#e9ecef;\n }*{box-sizing:border-box;}html{-webkit-text-size-adjust:100%;}body{margin:0;background:#fff;color:var(--aobo-text);\n font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,sans-serif;\n font-size:15px;line-height:1.6;}\/* Root scope \u2014 WordPress theme guard *\/ 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ts-props\"><div class=\"aobo-wrap\"><div class=\"ts-hero\"><div class=\"ts-hero-top\"><div class=\"ts-kicker\"><\/span>Datos de selecci\u00f3n de aceros para herramientas<\/div><h1>Propiedades generales de los aceros para herramientas<\/h1>Tabla de referencia de los principales grados de acero para herramientas AISI, que abarca la resistencia al desgaste, la tenacidad, la dureza en caliente, la dureza de trabajo habitual, la profundidad de endurecimiento, el tama\u00f1o de grano y la dureza despu\u00e9s del endurecimiento. Las clasificaciones son comparaciones relativas en una escala del 1 (bajo) al 9 (alto) y constituyen un punto de partida pr\u00e1ctico para seleccionar un grado para una aplicaci\u00f3n de herramientas espec\u00edfica.<\/p><\/div><div class=\"ts-tool-area\"><div class=\"ts-legend\"> <\/span>Calificaci\u00f3n de 1 a 9<\/b> relativo: 1 = bajo, 9 = alto<\/span> Profundidad de endurecimiento:<\/b> S = shallow, M = medium, D = deep · section sizes in the <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-hardenability-chart\/\">tabla de templabilidad<\/a><\/span> Tama\u00f1o del grano:<\/b> Est\u00e1ndar Shepherd, en su m\u00e1xima dureza<\/span> Dureza del n\u00facleo:<\/b> redondo de 25 mm (1 pulgada) de di\u00e1metro<\/span><\/div>\n <div class=\"ts-table-wrap\"><table class=\"ts-table\"><thead><tr><th>Calificaci\u00f3n<\/th><th>Tener puesto (b)<\/sup><\/th><th>Tenacidad (do)<\/sup><\/th><th>dureza caliente<\/th><th>Dureza laboral, HRC<\/th><th>Profundidad (d)<\/sup><\/th><th>Tama\u00f1o del grano (Pastor)<\/sup><\/th><th>Superficie HRC<\/th><th>Centro HRC<\/th><\/tr><\/thead><tbody><tr class=\"ts-group\"><td colspan=\"9\">Aceros r\u00e1pidos de molibdeno<\/td><\/tr><tr><td class=\"ts-grade\">M1<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/m2-tool-steel\/\">M2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M3, clase 1<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M3, clase 2<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M4<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">65\u201367<\/td><\/tr><tr><td class=\"ts-grade\">M7<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M10<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M30<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M33<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M34<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/m35-tool-steel\/\">M35<\/a><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M36<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M41<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/m42-tool-steel\/\">M42<\/a><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M43<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M44<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M46<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201369<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M47<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros intermedios de alta velocidad<\/td><\/tr><tr><td class=\"ts-grade\">M50<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M52<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">62\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de tungsteno de alta velocidad<\/td><\/tr><tr><td class=\"ts-grade\">T1<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T2<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">65\u201367<\/td><\/tr><tr><td class=\"ts-grade\">T4<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-hr\">63\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T5<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T6<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T8<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T15<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">64\u201368<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">65\u201368<\/td><td class=\"ts-hr\">65\u201368<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros al cromo para trabajo en caliente<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h10-tool-steel\/\">H10<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">39\u201356<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">52\u201359<\/td><td class=\"ts-hr\">52\u201359<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h11-tool-steel\/\">H11<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">38\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">53\u201355<\/td><td class=\"ts-hr\">53\u201355<\/td><\/tr><tr><td class=\"ts-grade\">H12<\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">38\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">53\u201355<\/td><td class=\"ts-hr\">53\u201355<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h13-tool-steel\/\">H13<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">40\u201353<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">51\u201354<\/td><td class=\"ts-hr\">51\u201354<\/td><\/tr><tr><td class=\"ts-grade\">H14<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">40\u201354<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">53\u201357<\/td><td class=\"ts-hr\">53\u201356<\/td><\/tr><tr><td class=\"ts-grade\">H19<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">40\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">48\u201357<\/td><td class=\"ts-hr\">48\u201357<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de tungsteno para trabajo en caliente<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h21-tool-steel\/\">H21<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">40\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">45\u201363<\/td><td class=\"ts-hr\">45\u201363<\/td><\/tr><tr><td class=\"ts-grade\">H22<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">36\u201354<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">48\u201356<\/td><td class=\"ts-hr\">48\u201356<\/td><\/tr><tr><td class=\"ts-grade\">H23<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">38\u201348<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7<\/td><td class=\"ts-hr\">34\u201340<\/td><td class=\"ts-hr\">34\u201340<\/td><\/tr><tr><td class=\"ts-grade\">H24<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">40\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">52\u201356<\/td><td class=\"ts-hr\">52\u201356<\/td><\/tr><tr><td class=\"ts-grade\">H25<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">35\u201345<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">33\u201346<\/td><td class=\"ts-hr\">33\u201346<\/td><\/tr><tr><td class=\"ts-grade\">H26<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">50\u201358<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">51\u201359<\/td><td class=\"ts-hr\">51\u201359<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para trabajo en caliente con molibdeno<\/td><\/tr><tr><td class=\"ts-grade\">H42<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">45\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">54\u201362<\/td><td class=\"ts-hr\">54\u201362<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de aleaci\u00f3n media para trabajo en fr\u00edo, endurecibles al aire.<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/a2-tool-steel\/\">A2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">57\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">A3<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">A4<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">54\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-hr\">61\u201363<\/td><\/tr><tr><td class=\"ts-grade\">A5<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">54\u201360<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">60\u201362<\/td><td class=\"ts-hr\">60\u201362<\/td><\/tr><tr><td class=\"ts-grade\">A6<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">54\u201360<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">60\u201362<\/td><td class=\"ts-hr\">60\u201362<\/td><\/tr><tr><td class=\"ts-grade\">A7<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">A8<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">48\u201357<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">60\u201362<\/td><td class=\"ts-hr\">60\u201362<\/td><\/tr><tr><td class=\"ts-grade\">A9<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">40\u201356<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">55\u201357<\/td><td class=\"ts-hr\">55\u201357<\/td><\/tr><tr><td class=\"ts-grade\">A10<\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">55\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">60\u201363<\/td><td class=\"ts-hr\">60\u201363<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de alto contenido de carbono y cromo para trabajo en fr\u00edo<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/d2-tool-steel\/\">D2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">61\u201364<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/d3-tool-steel\/\">D3<\/a><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">D4<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">D5<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">61\u201364<\/td><\/tr><tr><td class=\"ts-grade\">D7<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">64\u201368<\/td><td class=\"ts-hr\">64\u201368<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para trabajo en fr\u00edo endurecibles con aceite<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/o1-tool-steel\/\">O1<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">57\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/o2-tool-steel\/\">O2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">57\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr><td class=\"ts-grade\">O6<\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">50\u201355<\/td><\/tr><tr><td class=\"ts-grade\">O7<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros resistentes a los golpes<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/s1-tool-steel\/\">S1<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">50\u201358<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">55\u201358<\/td><td class=\"ts-hr\">55\u201358<\/td><\/tr><tr><td class=\"ts-grade\">S2<\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">50\u201360<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-hr\">56\u201360<\/td><\/tr><tr><td class=\"ts-grade\">S5<\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">50\u201360<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-hr\">58\u201362<\/td><\/tr><tr><td class=\"ts-grade\">S6<\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">50\u201356<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">56\u201358<\/td><td class=\"ts-hr\">56\u201358<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/s7-tool-steel\/\">S7<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">47\u201357<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">59\u201361<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de baja aleaci\u00f3n para usos especiales<\/td><\/tr><tr><td class=\"ts-grade\">L2<\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">45\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">56\u201362<\/td><td class=\"ts-hr\">54\u201358<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/l6-tool-steel\/\">L6<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">45\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-hr\">58\u201362<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para moldes con bajo contenido de carbono<\/td><\/tr><tr class=\"ts-group ts-sub\"><td colspan=\"9\">Para cavidades con buje y\/o carburizadas<\/td><\/tr><tr><td class=\"ts-grade\">P2 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201364 (mi)<\/span><\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201365 (a)<\/span><\/td><td class=\"ts-hr\">15\u201321<\/td><\/tr><tr><td class=\"ts-grade\">P3 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201364 (mi)<\/span><\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201364 (a)<\/span><\/td><td class=\"ts-hr\">15\u201321<\/td><\/tr><tr><td class=\"ts-grade\">P4 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201364 (mi)<\/span><\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201365 (a)<\/span><\/td><td class=\"ts-hr\">33\u201335<\/td><\/tr><tr><td class=\"ts-grade\">P5 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">50\u201364 (mi)<\/span><\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201365 (a)<\/span><\/td><td class=\"ts-hr\">20\u201325<\/td><\/tr><tr><td class=\"ts-grade\">P6 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201361 (mi)<\/span><\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">60\u201362 (a)<\/span><\/td><td class=\"ts-hr\">35\u201337<\/td><\/tr><tr class=\"ts-group ts-sub\"><td colspan=\"9\">Para cavidades mecanizadas<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/p20-tool-steel\/\">P20 (mi)<\/span><\/a><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">30\u201350<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">52\u201354<\/td><td class=\"ts-hr\">45\u201350<\/td><\/tr><tr><td class=\"ts-grade\">P21<\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">36\u201339 (mi)<\/span><\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">22\u201326<\/td><td class=\"ts-hr\">22\u201326<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para herramientas endurecibles mediante agua<\/td><\/tr><tr><td class=\"ts-grade\">W1<\/td><td class=\"ts-num\"><\/b><\/i>2\u20134<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3\u20137<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-hr\">58\u201365<\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">38\u201343<\/td><\/tr><tr><td class=\"ts-grade\">W2<\/td><td class=\"ts-num\"><\/b><\/i>2\u20134<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3\u20137<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-hr\">58\u201365<\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">38\u201343<\/td><\/tr><tr><td class=\"ts-grade\">W5<\/td><td class=\"ts-num\"><\/b><\/i>3\u20134<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3\u20137<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-hr\">58\u201365<\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">38\u201343<\/td><\/tr><\/tbody><\/table><\/div><h3 style=\"font-size:1em;margin:1.2em 0 .3em;color:var(--aobo-text);\">Notas y referencias<\/h3><ol class=\"ts-notes-list\"><li>(a)<\/sup> La calificaci\u00f3n se basa en una escala del 1 (bajo) al 9 (alto).<\/li><li>(b)<\/sup> La resistencia al desgaste aumenta con el incremento del contenido de carbono.<\/li><li>(do)<\/sup> La tenacidad disminuye al aumentar el contenido de carbono y la profundidad de endurecimiento.<\/li><li>(d)<\/sup> S, poco profundo; M, medio; y D, profundo.<\/li><li>(mi)<\/sup> Despu\u00e9s de la carburaci\u00f3n.<\/li><\/ol><figure class=\"ts-fig\"> <img src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/08\/Plots-of-toughness-against-a-hot-hardness-and-b-wear-resistance-for-tool-steels.png\" alt=\"Representaci\u00f3n gr\u00e1fica de la tenacidad frente a la dureza en caliente y la resistencia al desgaste para aceros para herramientas (Manual ASM, Fig. 6).\" decoding=\"async\" loading=\"lazy\"><figcaption>Se representa la tenacidad en funci\u00f3n de (a) la dureza en caliente y (b) la resistencia al desgaste de los aceros para herramientas. Los tipos subrayados indican aceros para herramientas con endurecimiento superficial. El \u00e1rea entre las l\u00edneas discontinuas en (b) representa los valores promedio.<\/figcaption><\/figure><div class=\"ts-grid\"><div class=\"ts-card\"><h2>M\u00f3dulo de elasticidad de los aceros para herramientas<\/h2>A efectos pr\u00e1cticos, el m\u00f3dulo de elasticidad de todos los aceros para herramientas en todas las condiciones es aproximadamente 210 GPa (30 \u00d7 106<\/sup> psi)<\/b> a temperatura ambiente. Disminuye uniformemente hasta aproximadamente 185 GPa (27 \u00d7 106<\/sup> psi)<\/b> a 260 \u00b0C (500 \u00b0F) y aproximadamente 150 GPa (22 \u00d7 106<\/sup> psi)<\/b> a 540 \u00b0C (1000 \u00b0F).<\/p><\/div><div class=\"ts-card\"><h2>Resistencia al desgaste<\/h2>Wear resistance increases with carbon content. At a given hardness, however, it may vary widely depending on the wear mechanism and heat treatment used. Steels with similar hardness can behave very differently under identical wear conditions. The grades that resist wear best are also the hardest to machine, and the <a href=\"\/es\/tool-steel-machinability-rating-chart\/\">machinability rating chart<\/a> puts a number on that trade-off.<\/p><\/div><div class=\"ts-card\"><h2>Resistencia y pruebas<\/h2>At maximum hardness, most tool steels are brittle, so tensile testing rarely gives reliable strength values. Compression, bending and torsion tests are more useful; torsion impact testing gives reproducible data on the effect of composition and heat treatment, particularly for drills and tools loaded in torsion. Where toughness and wear resistance pull in opposite directions, <a href=\"\/es\/tool-steel-selection-by-application\/\">selection by application<\/a> is the faster route to a grade.<\/p><\/div><\/div><div class=\"ts-disclaimer\"><h3>Nota sobre el alcance del suministro y la referencia t\u00e9cnica<\/h3>Aobo Steel supplies tool steel in round bar and plate form, in annealed condition. Hardening, quenching and tempering are performed by the customer’s heat-treatment facility. The <a href=\"\/es\/tool-steel-heat-treatment-guide\/\">tool steel heat treatment guide<\/a> covers austenitizing temperatures, soak times and tempering windows for these grades.<\/p>Las clasificaciones de propiedades y los datos de dureza que se incluyen en esta referencia son comparaciones relativas recopiladas del Manual ASM, Volumen 1, Tabla 13. El rendimiento real depende del tratamiento t\u00e9rmico, el tama\u00f1o de la secci\u00f3n, la geometr\u00eda de la herramienta y las condiciones de servicio. Verifique siempre las propiedades finales y los procedimientos de tratamiento t\u00e9rmico con su centro de tratamiento t\u00e9rmico.<\/p><\/div>\n <div class=\"ts-rel\">\n <h3>P\u00e1ginas de referencia relacionadas<\/h3>\n <a href=\"\/es\/tool-steel-composition-chart\/\">Tool steel composition chart<\/a> \u00b7 <a href=\"\/es\/tool-steel-hot-hardness-chart\/\">Tabla de dureza en caliente del acero para herramientas<\/a> \u00b7 <a href=\"\/es\/tool-steel-hardening-tempering-chart\/\">Temperaturas de endurecimiento y revenido<\/a> \u00b7 <a href=\"\/es\/tool-steel-machinability-rating-chart\/\">Machinability ratings<\/a> \u00b7 <a href=\"\/es\/tool-steel-selection-by-application\/\">Selection by application<\/a> \u00b7 <a href=\"\/es\/tool-steel-equivalent-grades\/\">Grade comparison and equivalents<\/a> \u00b7 <a href=\"\/es\/tool-steel-hardness-conversion-calculator\/\">Calculadora de conversi\u00f3n de dureza<\/a> \u00b7 <a href=\"\/es\/tool-steel-heat-treatment-guide\/\">Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas<\/a> \u00b7 <a href=\"\/es\/tool-steel-thermal-conductivity\/\">Tool steel thermal conductivity chart<\/a><\/p>\n <\/div>\n\n <\/div><\/div><\/div>Fuente: Manual ASM, Volumen 1 \u2014 Propiedades y selecci\u00f3n: Hierros, aceros y aleaciones de alto rendimiento, Tabla 13 \u201cPropiedades generales de los aceros para herramientas\u201d (datos para los grados marcados con \u201ce\u201d despu\u00e9s de la carburaci\u00f3n). Datos de referencia para comparaci\u00f3n: verifique el tratamiento t\u00e9rmico final con el proveedor del grado.<\/p><\/section>\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"General Properties of Tool Steels | AISI Grade Reference Tool Steel Selection Data General Properties of Tool Steels Reference table of the principal AISI tool steel grades, covering wear resistance, toughness, hot hardness, usual working hardness, depth of hardening, grain size and hardness after hardening. Ratings are relative comparisons on a 1 (low) to 9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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Properties of Tool Steels | AISI Grade Reference Tool Steel Selection Data General Properties of Tool Steels Reference table of the principal AISI tool steel grades, covering wear resistance, toughness, hot hardness, usual working hardness, depth of hardening, grain size and hardness after hardening. 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}\n.ts-rel{margin-top:1.2em;background:#fff;border:1px solid var(--aobo-border);\n border-left:3px solid var(--aobo-blue);border-radius:0 var(--aobo-radius) var(--aobo-radius) 0;padding:1em 1.2em;}\n .ts-rel h3{margin:0 0 .5em;font-size:.95em;color:var(--aobo-text);}\n .ts-rel p{margin:0;font-size:.85em;line-height:1.9;color:var(--aobo-muted);}\n .ts-rel p a{font-weight:600;}\n\n<\/style>\n<\/head>\n<body>\n<section class=\"aobo-ht-ref ts-props\"><div class=\"aobo-wrap\"><div class=\"ts-hero\"><div class=\"ts-hero-top\"><div class=\"ts-kicker\"><\/span>Datos de selecci\u00f3n de aceros para herramientas<\/div><h1>Propiedades generales de los aceros para herramientas<\/h1>Tabla de referencia de los principales grados de acero para herramientas AISI, que abarca la resistencia al desgaste, la tenacidad, la dureza en caliente, la dureza de trabajo habitual, la profundidad de endurecimiento, el tama\u00f1o de grano y la dureza despu\u00e9s del endurecimiento. Las clasificaciones son comparaciones relativas en una escala del 1 (bajo) al 9 (alto) y constituyen un punto de partida pr\u00e1ctico para seleccionar un grado para una aplicaci\u00f3n de herramientas espec\u00edfica.<\/p><\/div><div class=\"ts-tool-area\"><div class=\"ts-legend\"> <\/span>Calificaci\u00f3n de 1 a 9<\/b> relativo: 1 = bajo, 9 = alto<\/span> Profundidad de endurecimiento:<\/b> S = shallow, M = medium, D = deep · section sizes in the <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-hardenability-chart\/\">tabla de templabilidad<\/a><\/span> Tama\u00f1o del grano:<\/b> Est\u00e1ndar Shepherd, en su m\u00e1xima dureza<\/span> Dureza del n\u00facleo:<\/b> redondo de 25 mm (1 pulgada) de di\u00e1metro<\/span><\/div>\n <div class=\"ts-table-wrap\"><table class=\"ts-table\"><thead><tr><th>Calificaci\u00f3n<\/th><th>Tener puesto (b)<\/sup><\/th><th>Tenacidad (do)<\/sup><\/th><th>dureza caliente<\/th><th>Dureza laboral, HRC<\/th><th>Profundidad (d)<\/sup><\/th><th>Tama\u00f1o del grano (Pastor)<\/sup><\/th><th>Superficie HRC<\/th><th>Centro HRC<\/th><\/tr><\/thead><tbody><tr class=\"ts-group\"><td colspan=\"9\">Aceros r\u00e1pidos de molibdeno<\/td><\/tr><tr><td class=\"ts-grade\">M1<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/m2-tool-steel\/\">M2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M3, clase 1<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M3, clase 2<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M4<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">65\u201367<\/td><\/tr><tr><td class=\"ts-grade\">M7<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M10<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M30<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M33<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M34<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/m35-tool-steel\/\">M35<\/a><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M36<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">M41<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/m42-tool-steel\/\">M42<\/a><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M43<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M44<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M46<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201369<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M47<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">66\u201370<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros intermedios de alta velocidad<\/td><\/tr><tr><td class=\"ts-grade\">M50<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">M52<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">62\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de tungsteno de alta velocidad<\/td><\/tr><tr><td class=\"ts-grade\">T1<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T2<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">65\u201367<\/td><\/tr><tr><td class=\"ts-grade\">T4<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">63\u201366<\/td><td class=\"ts-hr\">63\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T5<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T6<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T8<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">T15<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-hr\">64\u201368<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9\u00bd<\/td><td class=\"ts-hr\">65\u201368<\/td><td class=\"ts-hr\">65\u201368<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros al cromo para trabajo en caliente<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h10-tool-steel\/\">H10<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">39\u201356<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">52\u201359<\/td><td class=\"ts-hr\">52\u201359<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h11-tool-steel\/\">H11<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">38\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">53\u201355<\/td><td class=\"ts-hr\">53\u201355<\/td><\/tr><tr><td class=\"ts-grade\">H12<\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">38\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">53\u201355<\/td><td class=\"ts-hr\">53\u201355<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h13-tool-steel\/\">H13<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">40\u201353<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">51\u201354<\/td><td class=\"ts-hr\">51\u201354<\/td><\/tr><tr><td class=\"ts-grade\">H14<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">40\u201354<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">53\u201357<\/td><td class=\"ts-hr\">53\u201356<\/td><\/tr><tr><td class=\"ts-grade\">H19<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">40\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">48\u201357<\/td><td class=\"ts-hr\">48\u201357<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de tungsteno para trabajo en caliente<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/h21-tool-steel\/\">H21<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">40\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">45\u201363<\/td><td class=\"ts-hr\">45\u201363<\/td><\/tr><tr><td class=\"ts-grade\">H22<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">36\u201354<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">48\u201356<\/td><td class=\"ts-hr\">48\u201356<\/td><\/tr><tr><td class=\"ts-grade\">H23<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">38\u201348<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7<\/td><td class=\"ts-hr\">34\u201340<\/td><td class=\"ts-hr\">34\u201340<\/td><\/tr><tr><td class=\"ts-grade\">H24<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">40\u201355<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">52\u201356<\/td><td class=\"ts-hr\">52\u201356<\/td><\/tr><tr><td class=\"ts-grade\">H25<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">35\u201345<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">33\u201346<\/td><td class=\"ts-hr\">33\u201346<\/td><\/tr><tr><td class=\"ts-grade\">H26<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-hr\">50\u201358<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">51\u201359<\/td><td class=\"ts-hr\">51\u201359<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para trabajo en caliente con molibdeno<\/td><\/tr><tr><td class=\"ts-grade\">H42<\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">45\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">54\u201362<\/td><td class=\"ts-hr\">54\u201362<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de aleaci\u00f3n media para trabajo en fr\u00edo, endurecibles al aire.<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/a2-tool-steel\/\">A2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">57\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">A3<\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">63\u201365<\/td><td class=\"ts-hr\">63\u201365<\/td><\/tr><tr><td class=\"ts-grade\">A4<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">54\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-hr\">61\u201363<\/td><\/tr><tr><td class=\"ts-grade\">A5<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">54\u201360<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">60\u201362<\/td><td class=\"ts-hr\">60\u201362<\/td><\/tr><tr><td class=\"ts-grade\">A6<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">54\u201360<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">60\u201362<\/td><td class=\"ts-hr\">60\u201362<\/td><\/tr><tr><td class=\"ts-grade\">A7<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">A8<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">48\u201357<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">60\u201362<\/td><td class=\"ts-hr\">60\u201362<\/td><\/tr><tr><td class=\"ts-grade\">A9<\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">40\u201356<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">55\u201357<\/td><td class=\"ts-hr\">55\u201357<\/td><\/tr><tr><td class=\"ts-grade\">A10<\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">55\u201362<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">60\u201363<\/td><td class=\"ts-hr\">60\u201363<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de alto contenido de carbono y cromo para trabajo en fr\u00edo<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/d2-tool-steel\/\">D2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">61\u201364<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/d3-tool-steel\/\">D3<\/a><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">D4<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">64\u201366<\/td><td class=\"ts-hr\">64\u201366<\/td><\/tr><tr><td class=\"ts-grade\">D5<\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">61\u201364<\/td><\/tr><tr><td class=\"ts-grade\">D7<\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-hr\">58\u201366<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">64\u201368<\/td><td class=\"ts-hr\">64\u201368<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para trabajo en fr\u00edo endurecibles con aceite<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/o1-tool-steel\/\">O1<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">57\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/o2-tool-steel\/\">O2<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">57\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr><td class=\"ts-grade\">O6<\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">50\u201355<\/td><\/tr><tr><td class=\"ts-grade\">O7<\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">58\u201364<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201364<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros resistentes a los golpes<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/s1-tool-steel\/\">S1<\/a><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">50\u201358<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">55\u201358<\/td><td class=\"ts-hr\">55\u201358<\/td><\/tr><tr><td class=\"ts-grade\">S2<\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">50\u201360<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-hr\">56\u201360<\/td><\/tr><tr><td class=\"ts-grade\">S5<\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">50\u201360<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">61\u201363<\/td><td class=\"ts-hr\">58\u201362<\/td><\/tr><tr><td class=\"ts-grade\">S6<\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-hr\">50\u201356<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">56\u201358<\/td><td class=\"ts-hr\">56\u201358<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/s7-tool-steel\/\">S7<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>5<\/span><\/span><\/td><td class=\"ts-hr\">47\u201357<\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">59\u201361<\/td><td class=\"ts-hr\">59\u201361<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros de baja aleaci\u00f3n para usos especiales<\/td><\/tr><tr><td class=\"ts-grade\">L2<\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>7<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">45\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8\u00bd<\/td><td class=\"ts-hr\">56\u201362<\/td><td class=\"ts-hr\">54\u201358<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/l6-tool-steel\/\">L6<\/a><\/td><td class=\"ts-num\"><\/b><\/i>3<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>6<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2<\/span><\/span><\/td><td class=\"ts-hr\">45\u201362<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">8<\/td><td class=\"ts-hr\">58\u201363<\/td><td class=\"ts-hr\">58\u201362<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para moldes con bajo contenido de carbono<\/td><\/tr><tr class=\"ts-group ts-sub\"><td colspan=\"9\">Para cavidades con buje y\/o carburizadas<\/td><\/tr><tr><td class=\"ts-grade\">P2 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201364 (mi)<\/span><\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201365 (a)<\/span><\/td><td class=\"ts-hr\">15\u201321<\/td><\/tr><tr><td class=\"ts-grade\">P3 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201364 (mi)<\/span><\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201364 (a)<\/span><\/td><td class=\"ts-hr\">15\u201321<\/td><\/tr><tr><td class=\"ts-grade\">P4 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201364 (mi)<\/span><\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201365 (a)<\/span><\/td><td class=\"ts-hr\">33\u201335<\/td><\/tr><tr><td class=\"ts-grade\">P5 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">50\u201364 (mi)<\/span><\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">62\u201365 (a)<\/span><\/td><td class=\"ts-hr\">20\u201325<\/td><\/tr><tr><td class=\"ts-grade\">P6 (mi)<\/span><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>9<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">58\u201361 (mi)<\/span><\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">60\u201362 (a)<\/span><\/td><td class=\"ts-hr\">35\u201337<\/td><\/tr><tr class=\"ts-group ts-sub\"><td colspan=\"9\">Para cavidades mecanizadas<\/td><\/tr><tr><td class=\"ts-grade\"><a href=\"\/es\/p20-tool-steel\/\">P20 (mi)<\/span><\/a><\/td><td class=\"ts-num\"><\/b><\/i>1(mi)<\/span><\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>2(mi)<\/span><\/span><\/span><\/td><td class=\"ts-hr\">30\u201350<\/td><td class=\"ts-num\">M<\/td><td class=\"ts-num\">7\u00bd<\/td><td class=\"ts-hr\">52\u201354<\/td><td class=\"ts-hr\">45\u201350<\/td><\/tr><tr><td class=\"ts-grade\">P21<\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>8<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>4<\/span><\/span><\/td><td class=\"ts-hr\">36\u201339 (mi)<\/span><\/td><td class=\"ts-num\">D<\/td><td class=\"ts-num\">\u2026<\/td><td class=\"ts-hr\">22\u201326<\/td><td class=\"ts-hr\">22\u201326<\/td><\/tr><tr class=\"ts-group\"><td colspan=\"9\">Aceros para herramientas endurecibles mediante agua<\/td><\/tr><tr><td class=\"ts-grade\">W1<\/td><td class=\"ts-num\"><\/b><\/i>2\u20134<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3\u20137<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-hr\">58\u201365<\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">38\u201343<\/td><\/tr><tr><td class=\"ts-grade\">W2<\/td><td class=\"ts-num\"><\/b><\/i>2\u20134<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3\u20137<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-hr\">58\u201365<\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">38\u201343<\/td><\/tr><tr><td class=\"ts-grade\">W5<\/td><td class=\"ts-num\"><\/b><\/i>3\u20134<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>3\u20137<\/span><\/span><\/td><td class=\"ts-num\"><\/b><\/i>1<\/span><\/span><\/td><td class=\"ts-hr\">58\u201365<\/td><td class=\"ts-num\">S<\/td><td class=\"ts-num\">9<\/td><td class=\"ts-hr\">65\u201367<\/td><td class=\"ts-hr\">38\u201343<\/td><\/tr><\/tbody><\/table><\/div><h3 style=\"font-size:1em;margin:1.2em 0 .3em;color:var(--aobo-text);\">Notas y referencias<\/h3><ol class=\"ts-notes-list\"><li>(a)<\/sup> La calificaci\u00f3n se basa en una escala del 1 (bajo) al 9 (alto).<\/li><li>(b)<\/sup> La resistencia al desgaste aumenta con el incremento del contenido de carbono.<\/li><li>(do)<\/sup> La tenacidad disminuye al aumentar el contenido de carbono y la profundidad de endurecimiento.<\/li><li>(d)<\/sup> S, poco profundo; M, medio; y D, profundo.<\/li><li>(mi)<\/sup> Despu\u00e9s de la carburaci\u00f3n.<\/li><\/ol><figure class=\"ts-fig\"> <img src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/08\/Plots-of-toughness-against-a-hot-hardness-and-b-wear-resistance-for-tool-steels.png\" alt=\"Representaci\u00f3n gr\u00e1fica de la tenacidad frente a la dureza en caliente y la resistencia al desgaste para aceros para herramientas (Manual ASM, Fig. 6).\" decoding=\"async\" loading=\"lazy\"><figcaption>Se representa la tenacidad en funci\u00f3n de (a) la dureza en caliente y (b) la resistencia al desgaste de los aceros para herramientas. Los tipos subrayados indican aceros para herramientas con endurecimiento superficial. El \u00e1rea entre las l\u00edneas discontinuas en (b) representa los valores promedio.<\/figcaption><\/figure><div class=\"ts-grid\"><div class=\"ts-card\"><h2>M\u00f3dulo de elasticidad de los aceros para herramientas<\/h2>A efectos pr\u00e1cticos, el m\u00f3dulo de elasticidad de todos los aceros para herramientas en todas las condiciones es aproximadamente 210 GPa (30 \u00d7 106<\/sup> psi)<\/b> a temperatura ambiente. Disminuye uniformemente hasta aproximadamente 185 GPa (27 \u00d7 106<\/sup> psi)<\/b> a 260 \u00b0C (500 \u00b0F) y aproximadamente 150 GPa (22 \u00d7 106<\/sup> psi)<\/b> a 540 \u00b0C (1000 \u00b0F).<\/p><\/div><div class=\"ts-card\"><h2>Resistencia al desgaste<\/h2>Wear resistance increases with carbon content. At a given hardness, however, it may vary widely depending on the wear mechanism and heat treatment used. Steels with similar hardness can behave very differently under identical wear conditions. The grades that resist wear best are also the hardest to machine, and the <a href=\"\/es\/tool-steel-machinability-rating-chart\/\">machinability rating chart<\/a> puts a number on that trade-off.<\/p><\/div><div class=\"ts-card\"><h2>Resistencia y pruebas<\/h2>At maximum hardness, most tool steels are brittle, so tensile testing rarely gives reliable strength values. Compression, bending and torsion tests are more useful; torsion impact testing gives reproducible data on the effect of composition and heat treatment, particularly for drills and tools loaded in torsion. Where toughness and wear resistance pull in opposite directions, <a href=\"\/es\/tool-steel-selection-by-application\/\">selection by application<\/a> is the faster route to a grade.<\/p><\/div><\/div><div class=\"ts-disclaimer\"><h3>Nota sobre el alcance del suministro y la referencia t\u00e9cnica<\/h3>Aobo Steel supplies tool steel in round bar and plate form, in annealed condition. Hardening, quenching and tempering are performed by the customer’s heat-treatment facility. The <a href=\"\/es\/tool-steel-heat-treatment-guide\/\">tool steel heat treatment guide<\/a> covers austenitizing temperatures, soak times and tempering windows for these grades.<\/p>Las clasificaciones de propiedades y los datos de dureza que se incluyen en esta referencia son comparaciones relativas recopiladas del Manual ASM, Volumen 1, Tabla 13. El rendimiento real depende del tratamiento t\u00e9rmico, el tama\u00f1o de la secci\u00f3n, la geometr\u00eda de la herramienta y las condiciones de servicio. Verifique siempre las propiedades finales y los procedimientos de tratamiento t\u00e9rmico con su centro de tratamiento t\u00e9rmico.<\/p><\/div>\n <div class=\"ts-rel\">\n <h3>P\u00e1ginas de referencia relacionadas<\/h3>\n <a href=\"\/es\/tool-steel-composition-chart\/\">Tool steel composition chart<\/a> \u00b7 <a href=\"\/es\/tool-steel-hot-hardness-chart\/\">Tabla de dureza en caliente del acero para herramientas<\/a> \u00b7 <a href=\"\/es\/tool-steel-hardening-tempering-chart\/\">Temperaturas de endurecimiento y revenido<\/a> \u00b7 <a href=\"\/es\/tool-steel-machinability-rating-chart\/\">Machinability ratings<\/a> \u00b7 <a href=\"\/es\/tool-steel-selection-by-application\/\">Selection by application<\/a> \u00b7 <a href=\"\/es\/tool-steel-equivalent-grades\/\">Grade comparison and equivalents<\/a> \u00b7 <a href=\"\/es\/tool-steel-hardness-conversion-calculator\/\">Calculadora de conversi\u00f3n de dureza<\/a> \u00b7 <a href=\"\/es\/tool-steel-heat-treatment-guide\/\">Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas<\/a> \u00b7 <a href=\"\/es\/tool-steel-thermal-conductivity\/\">Tool steel thermal conductivity chart<\/a><\/p>\n <\/div>\n\n <\/div><\/div><\/div>Fuente: Manual ASM, Volumen 1 \u2014 Propiedades y selecci\u00f3n: Hierros, aceros y aleaciones de alto rendimiento, Tabla 13 \u201cPropiedades generales de los aceros para herramientas\u201d (datos para los grados marcados con \u201ce\u201d despu\u00e9s de la carburaci\u00f3n). Datos de referencia para comparaci\u00f3n: verifique el tratamiento t\u00e9rmico final con el proveedor del grado.<\/p><\/section>\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"General Properties of Tool Steels | AISI Grade Reference Tool Steel Selection Data General Properties of Tool Steels Reference table of the principal AISI tool steel grades, covering wear resistance, toughness, hot hardness, usual working hardness, depth of hardening, grain size and hardness after hardening. Ratings are relative comparisons on a 1 (low) to 9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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Properties of Tool Steels | AISI Grade Reference Tool Steel Selection Data General Properties of Tool Steels Reference table of the principal AISI tool steel grades, covering wear resistance, toughness, hot hardness, usual working hardness, depth of hardening, grain size and hardness after hardening. 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