{"id":15121,"date":"2026-05-08T20:05:29","date_gmt":"2026-05-08T12:05:29","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15121"},"modified":"2026-09-18T17:59:51","modified_gmt":"2026-09-18T09:59:51","slug":"tool-steel-equivalent-grades","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/tool-steel-equivalent-grades\/","title":{"rendered":"Tabla de equivalencias y referencias cruzadas de grados de acero para herramientas | D2, H13, A2, P20 | Aobo Steel"},"content":{"rendered":"\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-orange-soft:#fff8eb;\n  }\n  *{box-sizing:border-box;}\n  html{-webkit-text-size-adjust:100%;}\n  body{margin:0;background:#fff;color:var(--aobo-text);\n    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class=\"aobo-hero\">\n      <div class=\"aobo-hero-top\">\n        <div class=\"aobo-kicker\"><span><\/span>Grade Equivalence Data<\/div>\n        <h1 style=\"--h1-max:50px\">Tool Steel Equivalent Grade Finder<\/h1>\n        <p>Cross-reference of tool steel grades across the main national standards &mdash; US AISI\/ASTM, German DIN and Werkstoff numbers, Japanese JIS, Chinese GB, British BS and French AFNOR &mdash; plus trade names and standard specifications for each grade. A dash means no equivalent is listed in the current reference data.<\/p>\n      <\/div>\n      <div class=\"aobo-tool-area\">\n\n        <div class=\"aobo-legend\">\n          <span class=\"aobo-legend-item\"><strong>AISI \/ ASTM<\/strong> US designation<\/span>\n          <span class=\"aobo-legend-item\"><strong>UNS<\/strong> Unified numbering system<\/span>\n          <span class=\"aobo-legend-item\"><strong>DIN \/ W.-Nr.<\/strong> Germany<\/span>\n          <span class=\"aobo-legend-item\"><strong>JIS<\/strong> Japan<\/span>\n          <span class=\"aobo-legend-item\"><strong>GB<\/strong> China<\/span>\n          <span class=\"aobo-legend-item\"><strong>BS<\/strong> UK<\/span>\n          <span class=\"aobo-legend-item\"><strong>AFNOR<\/strong> France<\/span>\n        <\/div>\n\n        <div class=\"aobo-xref\">\n          <div class=\"aobo-xref-head\">\n            <h2>Tool Steel Equivalent Grade Comparison Chart<\/h2>\n            <span class=\"aobo-xref-badge\">20 grades &middot; 7 standards<\/span>\n          <\/div>\n          <div class=\"aobo-table-wrap\">\n<table class=\"aobo-xref-table\">\n  <thead>\n    <tr>\n      <th>Grade (AISI \/ ASTM)<\/th>\n      <th>UNS<\/th>\n      <th>Germany (DIN \/ W.-Nr.)<\/th>\n      <th>Japan (JIS)<\/th>\n      <th>China (GB)<\/th>\n      <th>UK (BS)<\/th>\n      <th>France (AFNOR)<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr class=\"fam-row\"><td colspan=\"7\"><a href=\"https:\/\/aobosteel.com\/cold-work-tool-steels\/\">Cold Work Tool Steels<\/a><\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/d2-tool-steel\/\">D2<\/a><\/th><td>T30402<\/td><td>1.2379; X155CrMoV12-1<\/td><td><a href=\"https:\/\/aobosteel.com\/skd11-tool-steel-technical-overview\/\">SKD11<\/a><\/td><td><a href=\"https:\/\/aobosteel.com\/cr12mo1v1-steel\/\">Cr12Mo1V1<\/a><\/td><td>BD2<\/td><td>X160CrMoV12<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/d3-tool-steel\/\">D3<\/a><\/th><td>T30403<\/td><td>1.2080; X210Cr12<\/td><td>SKD1<\/td><td><a href=\"https:\/\/aobosteel.com\/cr12-tool-steel\/\">Cr12<\/a><\/td><td>BD3<\/td><td>Z200C12<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/d6-tool-steel\/\">D6<\/a><\/th><td>T30406<\/td><td>1.2436; X210CrW12<\/td><td>SKD2<\/td><td>Cr12W<\/td><td>&ndash;<\/td><td>&ndash;<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/a2-tool-steel\/\">A2<\/a><\/th><td>T30102<\/td><td>1.2363<\/td><td>SKD12<\/td><td>&ndash;<\/td><td>BA2<\/td><td>Z100CDV5<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/o1-tool-steel\/\">O1<\/a><\/th><td>T31501<\/td><td>1.2510<\/td><td>SKS3<\/td><td><a href=\"https:\/\/aobosteel.com\/9crwmn-steel\/\">9CrWMn<\/a><\/td><td>BO1<\/td><td>90MWCV5<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/o2-tool-steel\/\">O2<\/a><\/th><td>T31502<\/td><td>1.2842; 90MnCrV8<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>BO2<\/td><td>90MV8<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/s1-tool-steel\/\">S1<\/a><\/th><td>T41901<\/td><td>1.2550; 45WCrV7<\/td><td>SKS41; SKS4<\/td><td>5CrW2Si<\/td><td>BS1<\/td><td>55WC20<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/s7-tool-steel\/\">S7<\/a><\/th><td>T41907<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>&ndash;<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/52100-bearing-steel\/\">52100<\/a><\/th><td>G52986<\/td><td>1.3505; 100Cr6<\/td><td>SUJ2<\/td><td><a href=\"https:\/\/aobosteel.com\/gcr15-steel\/\">GCr15<\/a><\/td><td>En31; 534A99; 535A99<\/td><td>100C6<\/td><\/tr>\n    <tr class=\"fam-row\"><td colspan=\"7\"><a href=\"https:\/\/aobosteel.com\/hot-work-tool-steels\/\">Hot Work Tool Steels<\/a><\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/h10-tool-steel\/\">H10<\/a><\/th><td>T20810<\/td><td>1.2365; X32CrMoV3-3; 32CrMoV12-28<\/td><td>&ndash;<\/td><td><a href=\"https:\/\/aobosteel.com\/4cr3mo3siv-tool-steel\/\">4Cr3Mo3SiV<\/a>; 4Cr3Mo-3SiV<\/td><td>BH10<\/td><td>32CrMoV12-28<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/h11-tool-steel\/\">H11<\/a><\/th><td>T20811<\/td><td>1.2343; X38CrMoV5-1<\/td><td>SKD6<\/td><td><a href=\"https:\/\/aobosteel.com\/4cr5mosiv-tool-steel\/\">4Cr5MoSiV<\/a><\/td><td>BH11<\/td><td>Z38CDV5; X38CrMoV5<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/h13-tool-steel\/\">H13<\/a><\/th><td>T20813<\/td><td>1.2344; X40CrMoV5-1<\/td><td><a href=\"https:\/\/aobosteel.com\/skd61-steel-technical-overview\/\">SKD61<\/a><\/td><td><a href=\"https:\/\/aobosteel.com\/4cr5mosiv1-tool-steel\/\">4Cr5MoSiV1<\/a><\/td><td>BH13<\/td><td>Z40CDV5<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/h21-tool-steel\/\">H21<\/a><\/th><td>T20821<\/td><td>1.2581<\/td><td>SKD5<\/td><td><a href=\"https:\/\/aobosteel.com\/3cr2w8v-tool-steel\/\">3Cr2W8V<\/a><\/td><td>BH21<\/td><td>Z30WCV9<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/l6-tool-steel\/\">L6<\/a><\/th><td>T61206<\/td><td>1.2714<\/td><td>SKT4; SKS51<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>55NCDV7<\/td><\/tr>\n    <tr class=\"fam-row\"><td colspan=\"7\"><a href=\"https:\/\/aobosteel.com\/high-speed-steels\/\">High Speed Steels<\/a><\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/m2-tool-steel\/\">M2<\/a><\/th><td>T11302<\/td><td>1.3343<\/td><td>SKH51; SKH9<\/td><td>W6Mo5Cr4V2<\/td><td>BM2<\/td><td>Z85WDCV06-05-04-02<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/m35-tool-steel\/\">M35<\/a><\/th><td>T11335<\/td><td>1.3243<\/td><td>SKH55<\/td><td>W6Mo5Cr4V2Co5<\/td><td>BM35<\/td><td>Z85WDKCV06-05-05-04-02; Z90WDKC06-05-05-04<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/m42-tool-steel\/\">M42<\/a><\/th><td>T11342<\/td><td>1.3247<\/td><td>SKH59<\/td><td>W2Mo9Cr4VCo8; T72948<\/td><td>BM42<\/td><td>Z110DKCWV09-08-04-02-01<\/td><\/tr>\n    <tr class=\"fam-row\"><td colspan=\"7\"><a href=\"https:\/\/aobosteel.com\/plastic-mold-steels\/\">Plastic Mold Steels<\/a><\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/p20-tool-steel\/\">P20<\/a><\/th><td>T51620<\/td><td>1.2311; 40CrMnMo7<\/td><td>&ndash;<\/td><td>3Cr2Mo; SM3Cr2Mo<\/td><td>BP20<\/td><td>40CMD8<\/td><\/tr>\n    <tr><th scope=\"row\"><a href=\"https:\/\/aobosteel.com\/p20ni-steel\/\">P20+Ni<\/a><\/th><td>&ndash;<\/td><td>1.2738<\/td><td>&ndash;<\/td><td>3Cr2NiMo; SM3CrNiMo<\/td><td>&ndash;<\/td><td>&ndash;<\/td><\/tr>\n    <tr><th scope=\"row\">P20+S<\/th><td>&ndash;<\/td><td>1.2312<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>&ndash;<\/td><td>&ndash;<\/td><\/tr>\n  <\/tbody>\n<\/table>\n          <\/div>\n        <\/div>\n\n        <div class=\"aobo-reminder\">\n          <h3>Substitution reminder<\/h3>\n          <p>Equivalent grade names are reference information. For real orders, confirm <a href=\"https:\/\/aobosteel.com\/tool-steel-composition-chart\/\">chemical composition<\/a>, delivery condition, inspection standard, size, surface condition, and <a href=\"https:\/\/aobosteel.com\/how-to-select-tool-steels\/\">application<\/a> before substitution. Where two equivalent names still behave differently in service, the difference is covered in the grade comparison pages, for example <a href=\"https:\/\/aobosteel.com\/d2-vs-skd11-tool-steel\/\">D2 vs SKD11<\/a>.<\/p>\n        <\/div>\n\n        <div class=\"aobo-rel\">\n          <h3>Related reference pages<\/h3>\n          <p><a href=\"https:\/\/aobosteel.com\/tool-steel-properties-chart\/\">Tool steel properties chart<\/a> &middot; <a href=\"https:\/\/aobosteel.com\/tool-steel-hardening-tempering-chart\/\">Hardening and tempering temperatures<\/a> &middot; <a href=\"https:\/\/aobosteel.com\/tool-steel-hot-hardness-chart\/\">Hot hardness chart<\/a> &middot; <a href=\"https:\/\/aobosteel.com\/tool-steel-hardness-conversion-calculator\/\">Hardness conversion calculator<\/a> &middot; <a href=\"https:\/\/aobosteel.com\/tool-steel-material-finder\/\">Tool steel material finder<\/a> &middot; <a href=\"https:\/\/aobosteel.com\/tool-steels\/\">Tool steel catalog<\/a><\/p>\n        <\/div>\n\n        <p class=\"aobo-source\">Data compiled from public references and industry standards. Grade names are reference information &mdash; always confirm the exact specification with the steel supplier before ordering.<\/p>\n\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Grade Equivalence Data Tool Steel Equivalent Grade Finder Cross-reference of tool steel grades across the main national standards &mdash; US AISI\/ASTM, German DIN and Werkstoff numbers, Japanese JIS, Chinese GB, British BS and French AFNOR &mdash; plus trade names and standard specifications for each grade. A dash means no equivalent is listed in the current [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15124,"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":"disabled","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-15121","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tool Steel Equivalent Grades Chart &amp; Cross Reference | D2, H13, A2, P20 | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Find equivalent grades for tool steels including D2, H13, H11, A2, O1, M2, M42, P20, and 52100. 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