{"id":9564,"date":"2025-08-05T16:03:55","date_gmt":"2025-08-05T08:03:55","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9564"},"modified":"2026-10-22T12:51:11","modified_gmt":"2026-10-22T04:51:11","slug":"tool-steels","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/tool-steels\/","title":{"rendered":"\uacf5\uad6c\uac15 \uce74\ud0c8\ub85c\uadf8 | D2, H13, H11, M2, P20 \uacf5\uae09\uc5c5\uccb4 | \uc544\uc624\ubcf4 \uc2a4\ud2f8"},"content":{"rendered":"\n<div class=\"wp-block-cover alignfull is-light tsc-cover\"><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"1800\" class=\"wp-block-cover__image-background wp-image-24110\" alt=\"H13 tool steel round bars stacked in the Aobo Steel warehouse, bar ends marked with grade and diameter\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3.jpg 2400w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3-300x225.jpg 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3-1024x768.jpg 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3-768x576.jpg 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3-1536x1152.jpg 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3-2048x1536.jpg 2048w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/aobo-tool-steel-catalog-h13-bars-v3-16x12.jpg 16w\" sizes=\"auto, (max-width: 2400px) 100vw, 2400px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<style id=\"tsc-banner\" data-noptimize=\"1\">\n\/* Tool Steel Catalog banner + quote card. All rules are scoped to this page's own class names. *\/\n\/* This template loads no cover-block layout CSS, and alignfull does not break out of the\n   entry content here (the theme keys that to ast-plain-container on the body), so the cover's\n   own box, image layer and full-bleed breakout are declared explicitly below. *\/\n.tsc-cover{position:relative;isolation:isolate;overflow:hidden;display:block;padding:0!important;\n  min-height:560px;width:auto;max-width:none}\n\/* The entry-content wrapper caps and centres its direct children with !important, so the\n   full-bleed breakout needs the same weight (without it the cover stays 1200px wide). *\/\n.entry-content .tsc-cover{margin-left:calc(50% - 50vw)!important;margin-right:calc(50% - 50vw)!important;\n  max-width:none!important;width:auto!important}\n.tsc-cover .wp-block-cover__image-background{position:absolute;inset:0;z-index:0;width:100%;height:100%;\n  object-fit:cover;object-position:center 46%}\n.tsc-cover .wp-block-cover__background{position:absolute;inset:0;z-index:0;background:transparent!important}\n.tsc-cover .wp-block-cover__inner-container{position:relative;z-index:3;width:100%!important;max-width:1240px!important;margin:0 auto!important;padding:0!important}\n\/* No overlay element: the left-to-right darkening is baked into the banner JPEG itself,\n   because on the live template an absolutely-positioned scrim can paint above the copy. *\/\n.tsc-hero{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 332px;gap:40px;\n  align-items:center;padding:42px 24px 46px}\n.tsc-crumb{margin:0 0 14px!important;font-size:13px;line-height:1.4;color:#cfdced!important}\n.tsc-crumb a{color:#cfdced!important;text-decoration:none}\n.tsc-crumb a:hover{color:#fff!important;text-decoration:underline}\n.tsc-h1{margin:0 0 14px!important;padding:0!important;font-size:clamp(28px,3.1vw,44px)!important;line-height:1.12!important;\n  font-weight:800!important;letter-spacing:-.01em;text-transform:none!important;color:#fff!important;\n  text-shadow:0 2px 16px rgba(0,0,0,.85),0 1px 3px rgba(0,0,0,.9)}\n.tsc-lede{margin:0!important;max-width:56ch;font-size:16.5px;line-height:1.6;color:#eaf2fb!important;\n  text-shadow:0 1px 12px rgba(0,0,0,.85),0 1px 3px rgba(0,0,0,.9)}\n.tsc-card{position:relative;z-index:6;background:#fff!important;border-radius:12px;padding:16px 16px 14px;box-shadow:0 16px 44px rgba(0,0,0,.38);\n  color:#0f1620;width:100%;max-width:332px;justify-self:end;text-shadow:none}\n.tsc-card-h{margin:0 0 4px!important;font-size:18px!important;line-height:1.25!important;font-weight:700!important;color:#0f1620!important}\n.tsc-card-sub{margin:0 0 12px!important;font-size:12.6px;line-height:1.45;color:#5a6b7d!important}\n.tsc-card form p{margin:0 0 7px}\n.tsc-card input[type=text],.tsc-card input[type=email],.tsc-card input[type=tel],.tsc-card textarea{\n  width:100%;font:inherit;font-size:13.4px;color:#0f1620;background:#f6f8fb;border:1px solid #cfd9e6;\n  border-radius:6px;padding:8px 10px;margin:0}\n.tsc-card textarea{resize:vertical;min-height:62px}\n.tsc-card input[type=submit]{width:100%;background:#074fd0;color:#fff;border:0;border-radius:6px;\n  padding:11px 14px;font-size:14.6px;font-weight:700;font-family:inherit;cursor:pointer}\n.tsc-card input[type=submit]:hover{background:#063c9e}\n.tsc-card .cf-turnstile{margin:0 0 8px}\n.tsc-card .wpcf7-form-control-wrap{display:block}\n.tsc-card .wpcf7-response-output{margin:8px 0 0!important;font-size:12.5px}\n.tsc-alt{margin:8px 0 0!important;font-size:12.4px;line-height:1.5;color:#5a6b7d!important}\n.tsc-alt a{color:#005fcf!important;text-decoration:none}\n@media(max-width:1000px){\n  .tsc-hero{grid-template-columns:1fr;gap:20px;padding:30px 18px 32px}\n  .tsc-card{max-width:420px;justify-self:start}\n  .tsc-h1{font-size:30px!important}\n}\n@media(max-width:700px){.tsc-cover{min-height:0}}\n<\/style>\n\n<div class=\"tsc-hero\">\n  <div class=\"tsc-copy\">\n    <p class=\"tsc-crumb\"><a href=\"https:\/\/aobosteel.com\/\">Home<\/a> &gt; Tool Steel Catalog<\/p>\n    <h1 class=\"tsc-h1\">Tool Steel Catalog<\/h1>\n    <p class=\"tsc-lede\">Aobo Steel supplies tool steel round bar and plate for distributors, stockists, mold material suppliers, and industrial tooling buyers. This catalog helps you find the right grade page by steel family, equivalent grade, and application direction.<\/p>\n  <\/div>\n  <div class=\"tsc-card\">\n    <p class=\"tsc-card-h\">Check stock &amp; price<\/p>\n    <p class=\"tsc-card-sub\">Send the grade, size, quantity and destination port &mdash; we reply with price and lead time.<\/p>\n    \n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16042-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"16042\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/ko\/wp-json\/wp\/v2\/pages\/9564#wpcf7-f16042-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Contact form\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16042\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.2.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16042-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"wpcf7-turnstile cf-turnstile\" data-sitekey=\"0x4AAAAAAFMY32JbOfIdWijB\" data-response-field-name=\"_wpcf7_turnstile_response\"><\/div>\n\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Your Name *\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Email *\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Message *\" name=\"your-message\"><\/textarea><\/span>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Send Inquiry\" \/>\n<\/p><p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"_wpcf7_ak_\"><label>&#916;<textarea name=\"_wpcf7_ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_1\" name=\"_wpcf7_ak_js\" value=\"97\"\/><script>\ndocument.getElementById( \"ak_js_1\" ).setAttribute( \"value\", ( new Date() ).getTime() );\n<\/script>\n<\/p><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":true,\"openpopup_id\":16052}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\n    <p class=\"tsc-alt\">or <a href=\"https:\/\/wa.me\/8618062945370\">WhatsApp +86 180 6294 5370<\/a> &middot; <a href=\"mailto:sales@aobosteel.com\">sales@aobosteel.com<\/a><\/p>\n  <\/div>\n<\/div>\n\n<script>\n(function(){\n  function patchPum(){\n    var els=document.querySelectorAll('.tsc-card input[name=\"wpcf7-pum\"]');\n    for(var i=0;i<els.length;i++){\n      els[i].value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":false,\"openpopup_id\":0}';\n    }\n  }\n  if(document.readyState!=='loading'){patchPum();}else{document.addEventListener('DOMContentLoaded',patchPum);}\n})();\n<\/script>\n<\/div><\/div>\n\n\n\n<h2 id=\"aobo-grade-catalog\" class=\"wp-block-heading\">Available Tool Steel Grades<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choose a grade below to open the related product page. Each page provides grade equivalents, supply direction, typical applications, and material information for quotation discussions.<\/p>\n\n\n\n<div class=\"tsc-cat\">\n<style id=\"tsc-catalog\" data-noptimize=\"1\">\n\/* Grade catalog grid + filter. Scoped to this page's own class names. *\/\n.tsc-cat{--tsc-blue:#0c56d0;--tsc-blue-dark:#073b8e;--tsc-line:#d7e5fb;--tsc-line2:#c9dcff;--tsc-muted:#617087;--tsc-orange:#f59b23;--tsc-navy:#082d6f;color:#203044}\n.tsc-cat *,.tsc-cat *::before,.tsc-cat *::after{box-sizing:border-box}\n.tsc-fbar{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 24px}\n.tsc-fbtn{border:1px solid var(--tsc-line);background:#fff;color:#24415f;border-radius:999px;padding:10px 15px;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s ease}\n.tsc-fbtn:hover,.tsc-fbtn.active{background:var(--tsc-blue);border-color:var(--tsc-blue);color:#fff}\n\/* Card style copied from \/tool-steel-heat-treatment-guide\/ (htg-card): white, square\n   corners, 1px hairline border, soft shadow, 20px padding - and no hover state at all. *\/\n.tsc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}\n.tsc-gcard{background:#fff;border:1px solid rgba(0,0,0,.12);border-radius:0;padding:20px;\n  box-shadow:0 12px 32px rgba(0,0,0,.04);display:flex;flex-direction:column;min-height:0}\n.tsc-gtype{color:#6b7280;font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}\n.tsc-gcard h3{margin:0 0 10px!important;color:#0b0b0b!important;font-size:23px!important;line-height:1.25!important;\n  font-weight:700!important;letter-spacing:-.01em;text-transform:none!important;overflow-wrap:anywhere}\n.tsc-gcard p{color:#0b0b0b!important;line-height:1.7!important;font-size:17px!important;margin:0 0 18px!important}\n.tsc-gacts{margin-top:auto;display:flex;gap:12px;align-items:stretch}\n.tsc-glink,.tsc-grfq{min-height:0;border-radius:999px;padding:10px 12px;font-size:14px;line-height:1.25;\n  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;text-align:center;cursor:pointer}\n.tsc-grfq{flex:1 1 0;background:#074fd0;border:1px solid #074fd0;color:#fff;font-weight:700}\n.tsc-glink{flex:1 1 0;background:transparent;border:1px solid #0b0b0b;color:#0b0b0b;font-weight:400}\n.tsc-grfq:hover{background:#063c9e;border-color:#063c9e;color:#fff}\n.tsc-glink:hover{background:#f4f8ff;color:#0b0b0b}\n@media(max-width:920px){.tsc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}\n@media(max-width:640px){.tsc-grid{grid-template-columns:1fr}.tsc-gacts{flex-direction:column}}\n\n\/* Quick Selection row: the two buttons share the width 50 \/ 50 (stacked full width on phones) *\/\n.tsc-btns50{display:grid!important;grid-template-columns:1fr 1fr;gap:16px;flex-wrap:nowrap}\n.tsc-btns50 .wp-block-button{width:100%!important;margin:0!important}\n.tsc-btns50 .wp-block-button__link{width:100%;text-align:center}\n@media(max-width:640px){.tsc-btns50{grid-template-columns:1fr;gap:10px}}\n<\/style>\n<div class=\"tsc-fbar\" aria-label=\"Grade filters\">\n        <button class=\"tsc-fbtn active\" data-filter=\"all\" type=\"button\">All Grades<\/button>\n        <button class=\"tsc-fbtn\" data-filter=\"cold-work\" type=\"button\">Cold Work<\/button>\n        <button class=\"tsc-fbtn\" data-filter=\"hot-work\" type=\"button\">Hot Work<\/button>\n        <button class=\"tsc-fbtn\" data-filter=\"high-speed\" type=\"button\">High Speed Steel<\/button>\n        <button class=\"tsc-fbtn\" data-filter=\"plastic-mold\" type=\"button\">Plastic Mold Steel<\/button>\n        <button class=\"tsc-fbtn\" data-filter=\"gb-standard\" type=\"button\">GB Standard<\/button>\n      <\/div>\n\n<div class=\"tsc-grid\">\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>D2 Tool Steel | 1.2379 | SKD11<\/h3>\n          <p>Common choice for blanking dies, forming dies, punches, shear blades, and wear-focused cold work tooling.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/d2-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>D3 Tool Steel | 1.2080 | SKD1<\/h3>\n          <p>High-carbon, high-chromium cold work grade used where abrasive wear resistance is the main requirement.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/d3-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>D6 Tool Steel | 1.2436 | SKD2<\/h3>\n          <p>High-carbon, high-chromium cold work steel used for wear-resistant dies and cutting tools.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/d6-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>A2 Tool Steel | 1.2363 | SKD12<\/h3>\n          <p>Air-hardening cold work steel used when dimensional stability and a balanced wear-toughness profile are required.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/a2-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>O1 Tool Steel | 1.2510 | SKS3<\/h3>\n          <p>Oil-hardening tool steel for general cold work tools, gauges, knives, and tooling parts requiring good machinability.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/o1-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>O2 Tool Steel | 1.2842<\/h3>\n          <p>Oil-hardening cold work grade used for tools that need reliable hardenability and practical machining before hardening.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/o2-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Shock-Resisting Tool Steel<\/div>\n          <h3>S1 Tool Steel | 1.2550<\/h3>\n          <p>Shock-resisting tool steel for chisels, punches, impact tools, and tooling parts exposed to sudden loading.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/s1-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Shock-Resisting Tool Steel<\/div>\n          <h3>S7 Tool Steel | 1.2355<\/h3>\n          <p>Used for impact tools, punches, and tooling where cracking or chipping is a larger risk than abrasive wear.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/s7-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Cold Work Tool Steel<\/div>\n          <h3>DC53 Tool Steel<\/h3>\n          <p>Cold work tool steel used when better toughness and dimensional stability are needed compared with conventional D2-type grades.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/dc53-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"cold-work\">\n          <div class=\"tsc-gtype\">Bearing Steel<\/div>\n          <h3>52100 Bearing Steel | 1.3505 | 100Cr6 | GCr15<\/h3>\n          <p>High-carbon chromium bearing steel used for bearing parts, wear components, and precision mechanical parts.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/52100-bearing-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"hot-work\">\n          <div class=\"tsc-gtype\">Hot Work Tool Steel<\/div>\n          <h3>H10 Tool Steel | 1.2365 | SKD7<\/h3>\n          <p>Hot work tool steel used in elevated-temperature tooling where heat resistance and toughness are required.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/h10-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"hot-work\">\n          <div class=\"tsc-gtype\">Hot Work Tool Steel<\/div>\n          <h3>H11 Tool Steel | 1.2343 | SKD6<\/h3>\n          <p>Hot work steel for die casting, extrusion tooling, hot shear blades, and shock-loaded hot work applications.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/h11-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"hot-work\">\n          <div class=\"tsc-gtype\">Hot Work Tool Steel<\/div>\n          <h3>H13 Tool Steel | 1.2344 | SKD61<\/h3>\n          <p>Widely used for aluminum die casting dies, hot forging dies, extrusion dies, and thermal-fatigue tooling.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/h13-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"hot-work\">\n          <div class=\"tsc-gtype\">Hot Work Tool Steel<\/div>\n          <h3>H21 Tool Steel | 1.2581 | SKD5<\/h3>\n          <p>Hot work grade for applications requiring stronger hot hardness and wear resistance at elevated temperature.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/h21-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"hot-work\">\n          <div class=\"tsc-gtype\">Hot Work \/ Tough Tooling Steel<\/div>\n          <h3>L6 Tool Steel | 1.2714 | SKT4<\/h3>\n          <p>Tough tool steel used for large dies, hot work tooling, and tooling components requiring strength and impact resistance.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/l6-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"high-speed\">\n          <div class=\"tsc-gtype\">High Speed Steel<\/div>\n          <h3>M2 High Speed Steel | 1.3343 | SKH51<\/h3>\n          <p>General-purpose HSS for drills, milling cutters, cutting tools, punches, and wear parts requiring hot hardness.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/m2-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"high-speed\">\n          <div class=\"tsc-gtype\">Cobalt High Speed Steel<\/div>\n          <h3>M35 High Speed Steel | 1.3243 | SKH55<\/h3>\n          <p>Cobalt HSS used where cutting temperature is higher and M2 may not provide enough hot hardness.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/m35-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"high-speed\">\n          <div class=\"tsc-gtype\">Cobalt High Speed Steel<\/div>\n          <h3>M42 High Speed Steel | 1.3247 | SKH59<\/h3>\n          <p>High-performance cobalt HSS for demanding cutting tools where red hardness and wear resistance are critical.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/m42-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"plastic-mold\">\n          <div class=\"tsc-gtype\">Plastic Mold Steel<\/div>\n          <h3>P20 Tool Steel | 1.2311 | 3Cr2Mo<\/h3>\n          <p>Plastic mold steel for injection molds, mold bases, and mold components requiring stable machining performance.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/p20-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"plastic-mold\">\n          <div class=\"tsc-gtype\">Plastic Mold Steel<\/div>\n          <h3>P20+Ni Tool Steel | 1.2738<\/h3>\n          <p>Nickel-modified plastic mold steel used for larger molds where better through-hardness is required.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/p20ni-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>Cr12 Tool Steel<\/h3>\n          <p>Chinese cold work tool steel used for wear-resistant dies, punches, and cold work tooling.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/cr12-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>Cr12MoV Tool Steel<\/h3>\n          <p>Common Chinese cold work die steel used for blanking dies, forming dies, punches, and wear tools.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/cr12mov-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>9SiCr Tool Steel<\/h3>\n          <p>Chinese low-alloy tool steel used for cold work tools, cutting tools, gauges, and wear-resistant tooling parts.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/9sicr-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>Cr12Mo1V1 Tool Steel | D2-type<\/h3>\n          <p>Chinese D2-type cold work steel used where wear resistance and dimensional stability are required.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/cr12mo1v1-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>Cr5Mo1V Tool Steel | A2-type<\/h3>\n          <p>Air-hardening cold work tool steel used for dies and tools requiring stability and balanced performance.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/cr5mo1v-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>6CrW2Si Tool Steel<\/h3>\n          <p>Chinese alloy tool steel used for shear blades, punches, and tools requiring strength and wear resistance.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/6crw2si-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">Bearing \/ GB Steel<\/div>\n          <h3>GCr15 Bearing Steel | 52100 | 1.3505<\/h3>\n          <p>High-carbon chromium bearing steel used for bearing parts, wear components, and precision mechanical parts.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/gcr15-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Hot Work Steel<\/div>\n          <h3>4Cr5MoSiV1 Tool Steel | H13-type<\/h3>\n          <p>Chinese hot work tool steel used for die casting, extrusion, forging dies, and thermal-fatigue tooling.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/4cr5mosiv1-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Hot Work Steel<\/div>\n          <h3>4Cr5MoSiV Tool Steel | H11-type<\/h3>\n          <p>Chinese hot work tool steel used where hot strength, toughness, and thermal stability are required.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/4cr5mosiv-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>5CrNiMo Tool Steel<\/h3>\n          <p>Chinese hot work die steel used for forging dies and tooling components requiring toughness and impact resistance.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/5crnimo-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Tool Steel<\/div>\n          <h3>9CrWMn Tool Steel | O1-type<\/h3>\n          <p>Chinese low-alloy cold work tool steel used for gauges, dies, punches, and tools needing low deformation.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/9crwmn-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Standard Hot Work Steel<\/div>\n          <h3>5CrMnMo Tool Steel<\/h3>\n          <p>Chinese hot work die steel used for forging dies and hot tooling requiring toughness and strength.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/5crmnmo-tool-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"tsc-gcard\" data-category=\"gb-standard\">\n          <div class=\"tsc-gtype\">GB Stainless Tool Steel<\/div>\n          <h3>9Cr18Mo Stainless Steel | 440C-type<\/h3>\n          <p>High-carbon martensitic stainless steel used for wear parts, bearing-related parts, and corrosion-resisting tooling.<\/p>\n          <div class=\"tsc-gacts\">\n            <a class=\"tsc-glink\" href=\"https:\/\/aobosteel.com\/9cr18mo-stainless-steel\/\">View Details<\/a>\n            <a class=\"tsc-grfq popmake-16052\" href=\"javascript:void(0);\">Send Inquiry<\/a>\n          <\/div>\n        <\/article>\n\n      <\/div>\n\n<script>\n(function () {\n  var buttons = document.querySelectorAll('.tsc-fbtn');\n  var cards = document.querySelectorAll('.tsc-gcard');\n  for (var b = 0; b < buttons.length; b++) {\n    buttons[b].addEventListener('click', function () {\n      var filter = this.getAttribute('data-filter');\n      for (var i = 0; i < buttons.length; i++) { buttons[i].classList.remove('active'); }\n      this.classList.add('active');\n      for (var j = 0; j < cards.length; j++) {\n        var cat = cards[j].getAttribute('data-category');\n        cards[j].style.display = (filter === 'all' || cat === filter) ? 'flex' : 'none';\n      }\n    });\n  }\n})();\n<\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Tool Steel Grades by Category<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This table is designed for fast scanning. Open the grade page when you already know the steel family or equivalent grade.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Category<\/th><th class=\"has-text-align-left\" data-align=\"left\">Grade<\/th><th class=\"has-text-align-left\" data-align=\"left\">Equivalent Grades<\/th><th class=\"has-text-align-left\" data-align=\"left\">Typical Application Direction<\/th><th class=\"has-text-align-left\" data-align=\"left\">Product Page<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">D2<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2379 \/ SKD11<\/td><td class=\"has-text-align-left\" data-align=\"left\">Blanking dies, forming dies, punches, shear blades<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/d2-tool-steel\/\">View D2<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">D3<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2080 \/ SKD1<\/td><td class=\"has-text-align-left\" data-align=\"left\">High-wear cold work tools, drawing dies, blanking tools<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/d3-tool-steel\/\">View D3<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">D6<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2436 \/ SKD2<\/td><td class=\"has-text-align-left\" data-align=\"left\">Wear-resistant cold work dies and cutting tools<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/d6-tool-steel\/\">View D6<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">A2<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2363 \/ SKD12<\/td><td class=\"has-text-align-left\" data-align=\"left\">Air-hardening cold work tools, gauges, forming dies<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/a2-tool-steel\/\">View A2<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">O1<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2510 \/ SKS3<\/td><td class=\"has-text-align-left\" data-align=\"left\">General cold work tools, gauges, knives, punches<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/o1-tool-steel\/\">View O1<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">O2<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2842<\/td><td class=\"has-text-align-left\" data-align=\"left\">Oil-hardening cold work tools and general tooling parts<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/o2-tool-steel\/\">View O2<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Shock-Resisting Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">S1<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2550<\/td><td class=\"has-text-align-left\" data-align=\"left\">Chisels, punches, shock-loaded tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/s1-tool-steel\/\">View S1<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Shock-Resisting Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">S7<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2355<\/td><td class=\"has-text-align-left\" data-align=\"left\">Impact tools, punches, tools exposed to chipping risk<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/s7-tool-steel\/\">View S7<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Cold Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">DC53<\/td><td class=\"has-text-align-left\" data-align=\"left\">DC53<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cold work dies requiring toughness and dimensional stability<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/dc53-tool-steel\/\">View DC53<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Bearing Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">52100<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.3505 \/ 100Cr6 \/ GCr15<\/td><td class=\"has-text-align-left\" data-align=\"left\">Bearing parts, precision wear components<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/52100-bearing-steel\/\">View 52100<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hot Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">H10<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2365 \/ SKD7<\/td><td class=\"has-text-align-left\" data-align=\"left\">Hot work tools and elevated-temperature tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/h10-tool-steel\/\">View H10<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hot Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">H11<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2343 \/ SKD6<\/td><td class=\"has-text-align-left\" data-align=\"left\">Die casting dies, extrusion tools, hot shear blades<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/h11-tool-steel\/\">View H11<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hot Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">H13<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2344 \/ SKD61<\/td><td class=\"has-text-align-left\" data-align=\"left\">Aluminum die casting dies, hot forging dies, extrusion dies<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/h13-tool-steel\/\">View H13<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hot Work Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">H21<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2581 \/ SKD5<\/td><td class=\"has-text-align-left\" data-align=\"left\">Hot work tooling requiring hot hardness and wear resistance<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/h21-tool-steel\/\">View H21<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hot Work \/ Tough Tooling Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">L6<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2714 \/ SKT4<\/td><td class=\"has-text-align-left\" data-align=\"left\">Large dies, tough tooling parts, impact-loaded tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/l6-tool-steel\/\">View L6<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">High Speed Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">M2<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.3343 \/ SKH51<\/td><td class=\"has-text-align-left\" data-align=\"left\">Drills, milling cutters, cutting tools, punches<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/m2-tool-steel\/\">View M2<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">High Speed Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">M35<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.3243 \/ SKH55<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cobalt HSS cutting tools and high-temperature cutting<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/m35-tool-steel\/\">View M35<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">High Speed Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">M42<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.3247 \/ SKH59<\/td><td class=\"has-text-align-left\" data-align=\"left\">High-performance cutting tools requiring red hardness<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/m42-tool-steel\/\">View M42<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Plastic Mold Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">P20<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2311 \/ 3Cr2Mo<\/td><td class=\"has-text-align-left\" data-align=\"left\">Plastic injection molds, mold bases, mold components<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/p20-tool-steel\/\">View P20<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Plastic Mold Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">P20+Ni<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.2738<\/td><td class=\"has-text-align-left\" data-align=\"left\">Large plastic molds requiring better through-hardness<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/p20ni-steel\/\">View P20+Ni<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cr12<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB Cr12<\/td><td class=\"has-text-align-left\" data-align=\"left\">Wear-resistant cold work dies and punches<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/cr12-tool-steel\/\">View Cr12<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cr12MoV<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB Cr12MoV<\/td><td class=\"has-text-align-left\" data-align=\"left\">Blanking dies, forming dies, wear-focused tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/cr12mov-tool-steel\/\">View Cr12MoV<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">9SiCr<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 9SiCr<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cold work tools, cutting tools, gauges<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/9sicr-tool-steel\/\">View 9SiCr<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cr12Mo1V1<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB Cr12Mo1V1 \/ D2-type<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cold work dies requiring wear resistance and stability<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/cr12mo1v1-steel\/\">View Cr12Mo1V1<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cr5Mo1V<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB Cr5Mo1V \/ A2-type<\/td><td class=\"has-text-align-left\" data-align=\"left\">Air-hardening cold work dies and precision tools<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/cr5mo1v-tool-steel\/\">View Cr5Mo1V<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">6CrW2Si<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 6CrW2Si<\/td><td class=\"has-text-align-left\" data-align=\"left\">Shear blades, punches, and wear-resistant tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/6crw2si-tool-steel\/\">View 6CrW2Si<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Bearing \/ GB Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">GCr15<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB GCr15 \/ 52100 \/ 1.3505<\/td><td class=\"has-text-align-left\" data-align=\"left\">Bearing parts, wear components, precision parts<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/gcr15-steel\/\">View GCr15<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Hot Work Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">4Cr5MoSiV1<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 4Cr5MoSiV1 \/ H13-type<\/td><td class=\"has-text-align-left\" data-align=\"left\">Die casting dies, extrusion dies, hot work tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/4cr5mosiv1-tool-steel\/\">View 4Cr5MoSiV1<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Hot Work Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">4Cr5MoSiV<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 4Cr5MoSiV \/ H11-type<\/td><td class=\"has-text-align-left\" data-align=\"left\">Hot work dies requiring toughness and heat resistance<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/4cr5mosiv-tool-steel\/\">View 4Cr5MoSiV<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">5CrNiMo<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 5CrNiMo<\/td><td class=\"has-text-align-left\" data-align=\"left\">Forging dies and impact-loaded hot work tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/5crnimo-tool-steel\/\">View 5CrNiMo<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">9CrWMn<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 9CrWMn \/ O1-type<\/td><td class=\"has-text-align-left\" data-align=\"left\">Cold work dies, gauges, tools with low deformation requirement<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/9crwmn-steel\/\">View 9CrWMn<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Standard Hot Work Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">5CrMnMo<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 5CrMnMo<\/td><td class=\"has-text-align-left\" data-align=\"left\">Forging dies and hot work tooling<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/5crmnmo-tool-steel\/\">View 5CrMnMo<\/a><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">GB Stainless Tool Steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">9Cr18Mo<\/td><td class=\"has-text-align-left\" data-align=\"left\">GB 9Cr18Mo \/ 440C-type<\/td><td class=\"has-text-align-left\" data-align=\"left\">Corrosion-resisting wear parts and bearing-related parts<\/td><td class=\"has-text-align-left\" data-align=\"left\"><a href=\"https:\/\/aobosteel.com\/9cr18mo-stainless-steel\/\">View 9Cr18Mo<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Quick Selection by Application<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Start from the working condition. Hardness alone is not enough for tool steel selection. Wear, chipping, heat, and dimensional stability usually decide the grade.<\/p>\n\n\n\n<div class=\"wp-block-buttons tsc-btns50 is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/selection-of-tool-steels\/\">How to Select Tool Steel<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/tool-steel-material-finder\/\">Material Qucik Finder Base on Application<\/a><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">How to Narrow the Grade Choice<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Select a suitable grade based on the failure mode and working conditions. This section helps reduce wrong inquiries before quotation.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Main Requirement<\/th><th class=\"has-text-align-left\" data-align=\"left\">Common Grade Direction<\/th><th class=\"has-text-align-left\" data-align=\"left\">Practical Note<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Abrasive wear resistance<\/td><td class=\"has-text-align-left\" data-align=\"left\">D2, D3, D6, Cr12, Cr12MoV, Cr12Mo1V1, M2, M42<\/td><td class=\"has-text-align-left\" data-align=\"left\">Useful for cutting, blanking, and wear-focused tooling. Check toughness if the tool chips.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Better toughness<\/td><td class=\"has-text-align-left\" data-align=\"left\">S7, S1, H11, L6, 5CrNiMo, 5CrMnMo<\/td><td class=\"has-text-align-left\" data-align=\"left\">Useful when cracks or impact breakage are more serious than wear loss.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hot work service<\/td><td class=\"has-text-align-left\" data-align=\"left\">H13, H11, H21, 4Cr5MoSiV1, 4Cr5MoSiV<\/td><td class=\"has-text-align-left\" data-align=\"left\">Used for die casting, forging, extrusion, and tools exposed to repeated heating and cooling.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">High-speed cutting<\/td><td class=\"has-text-align-left\" data-align=\"left\">M2, M35, M42<\/td><td class=\"has-text-align-left\" data-align=\"left\">Selection depends on cutting temperature, wear rate, and expected tool life.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Plastic mold work<\/td><td class=\"has-text-align-left\" data-align=\"left\">P20, P20+Ni<\/td><td class=\"has-text-align-left\" data-align=\"left\">Good starting grades for mold machining and general injection mold applications.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Shear blade and punch applications<\/td><td class=\"has-text-align-left\" data-align=\"left\">6CrW2Si, Cr12MoV, D2, S7<\/td><td class=\"has-text-align-left\" data-align=\"left\">Choose by cutting load, impact level, edge chipping risk, and wear condition.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Bearing and precision wear parts<\/td><td class=\"has-text-align-left\" data-align=\"left\">GCr15 \/ 52100 \/ 1.3505<\/td><td class=\"has-text-align-left\" data-align=\"left\">Used when high hardness, wear resistance, and bearing performance are required.<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Corrosion-resisting wear parts<\/td><td class=\"has-text-align-left\" data-align=\"left\">9Cr18Mo \/ 440C-type stainless steel<\/td><td class=\"has-text-align-left\" data-align=\"left\">Used when wear resistance and moderate corrosion resistance are both required.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"CollectionPage\",\n  \"name\": \"Tool Steel Catalog\",\n  \"description\": \"Aobo Steel tool steel catalog with cold work tool steel, hot work tool steel, high speed steel, plastic mold steel, bearing steel, stainless tool steel, and Chinese GB standard tool steel product pages.\",\n  \"url\": \"https:\/\/aobosteel.com\/tool-steels\/\",\n  \"mainEntity\": {\n    \"@type\": \"ItemList\",\n    \"itemListElement\": [\n      {\"@type\": \"ListItem\", \"position\": 1, \"name\": \"D2 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/d2-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"D3 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/d3-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"D6 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/d6-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 4, \"name\": \"A2 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/a2-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 5, \"name\": \"O1 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/o1-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 6, \"name\": \"O2 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/o2-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 7, \"name\": \"S1 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/s1-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 8, \"name\": \"S7 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/s7-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 9, \"name\": \"DC53 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/dc53-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 10, \"name\": \"52100 Bearing Steel\", \"url\": \"https:\/\/aobosteel.com\/52100-bearing-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 11, \"name\": \"H10 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/h10-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 12, \"name\": \"H11 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/h11-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 13, \"name\": \"H13 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/h13-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 14, \"name\": \"H21 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/h21-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 15, \"name\": \"L6 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/l6-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 16, \"name\": \"M2 High Speed Steel\", \"url\": \"https:\/\/aobosteel.com\/m2-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 17, \"name\": \"M35 High Speed Steel\", \"url\": \"https:\/\/aobosteel.com\/m35-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 18, \"name\": \"M42 High Speed Steel\", \"url\": \"https:\/\/aobosteel.com\/m42-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 19, \"name\": \"P20 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/p20-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 20, \"name\": \"P20+Ni Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/p20ni-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 21, \"name\": \"Cr12 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/cr12-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 22, \"name\": \"Cr12MoV Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/cr12mov-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 23, \"name\": \"9SiCr Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/9sicr-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 24, \"name\": \"Cr12Mo1V1 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/cr12mo1v1-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 25, \"name\": \"Cr5Mo1V Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/cr5mo1v-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 26, \"name\": \"6CrW2Si Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/6crw2si-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 27, \"name\": \"GCr15 Bearing Steel\", \"url\": \"https:\/\/aobosteel.com\/gcr15-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 28, \"name\": \"4Cr5MoSiV1 Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/4cr5mosiv1-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 29, \"name\": \"4Cr5MoSiV Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/4cr5mosiv-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 30, \"name\": \"5CrNiMo Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/5crnimo-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 31, \"name\": \"9CrWMn Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/9crwmn-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 32, \"name\": \"5CrMnMo Tool Steel\", \"url\": \"https:\/\/aobosteel.com\/5crmnmo-tool-steel\/\"},\n      {\"@type\": \"ListItem\", \"position\": 33, \"name\": \"9Cr18Mo Stainless Steel\", \"url\": \"https:\/\/aobosteel.com\/9cr18mo-stainless-steel\/\"}\n    ]\n  }\n}\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Available Tool Steel Grades Choose a grade below to open the related product page. Each page provides grade equivalents, supply direction, typical applications, and material information for quotation discussions. All Grades Cold Work Hot Work High Speed Steel Plastic Mold Steel GB Standard Cold Work Tool Steel D2 Tool Steel | 1.2379 | SKD11 Common [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15592,"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-9564","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.7 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel - AoboSteel<\/title>\n<meta name=\"description\" content=\"Browse Aobo Steel tool steel catalog, including D2, H13, H11, A2, S7, M2, M35, M42, P20 and more for bulk round bar and plate supply.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/ko\/tool-steels\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel\" \/>\n<meta property=\"og:description\" content=\"Browse Aobo Steel tool steel catalog, including D2, H13, H11, A2, S7, M2, M35, M42, P20 and more for bulk round bar and plate supply.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/tool-steels\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-22T04:51:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data1\" content=\"11\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel\",\"datePublished\":\"2025-08-05T08:03:55+00:00\",\"dateModified\":\"2026-10-22T04:51:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/\"},\"wordCount\":1840,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/catalog.avif\",\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/\",\"name\":\"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel - AoboSteel\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/catalog.avif\",\"datePublished\":\"2025-08-05T08:03:55+00:00\",\"dateModified\":\"2026-10-22T04:51:11+00:00\",\"description\":\"Browse Aobo Steel tool steel catalog, including D2, H13, H11, A2, S7, M2, M35, M42, P20 and more for bulk round bar and plate supply.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#primaryimage\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/catalog.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/catalog.avif\",\"width\":1254,\"height\":1254},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/tool-steels\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"name\":\"AoboSteel\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/aobosteel.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\",\"name\":\"AoboSteel\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"width\":1052,\"height\":592,\"caption\":\"AoboSteel\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\",\"name\":\"Evan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"caption\":\"Evan\"},\"sameAs\":[\"http:\\\/\\\/www.aobosteel.com\",\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.instagram.com\\\/aobosteel\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\",\"https:\\\/\\\/x.com\\\/AobosteelEvan\",\"https:\\\/\\\/www.youtube.com\\\/@aobosteel\"],\"url\":\"https:\\\/\\\/aobosteel.com\\\/ko\\\/blog\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\uacf5\uad6c\uac15 \uce74\ud0c8\ub85c\uadf8 | D2, H13, H11, M2, P20 \uacf5\uae09\uc5c5\uccb4 | Aobo Steel - AoboSteel","description":"Aobo Steel\uc758 \uacf5\uad6c\uac15 \uce74\ud0c8\ub85c\uadf8\ub97c \uc0b4\ud3b4\ubcf4\uc2dc\uace0 D2, H13, H11, A2, S7, M2, M35, M42, P20 \ub4f1\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \uc885\ub958\uc758 \uc6d0\ud615 \ubd09\uac15 \ubc0f \ud310\uc7ac\ub97c \ub300\ub7c9\uc73c\ub85c \uacf5\uae09\ubc1b\uc73c\uc138\uc694.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/ko\/tool-steels\/","og_locale":"ko_KR","og_type":"article","og_title":"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel","og_description":"Browse Aobo Steel tool steel catalog, including D2, H13, H11, A2, S7, M2, M35, M42, P20 and more for bulk round bar and plate supply.","og_url":"https:\/\/aobosteel.com\/ko\/tool-steels\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-10-22T04:51:11+00:00","og_image":[{"width":1254,"height":1254,"url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"11\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/tool-steels\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/tool-steels\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel","datePublished":"2025-08-05T08:03:55+00:00","dateModified":"2026-10-22T04:51:11+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/tool-steels\/"},"wordCount":1840,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"image":{"@id":"https:\/\/aobosteel.com\/tool-steels\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif","inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/tool-steels\/","url":"https:\/\/aobosteel.com\/tool-steels\/","name":"\uacf5\uad6c\uac15 \uce74\ud0c8\ub85c\uadf8 | D2, H13, H11, M2, P20 \uacf5\uae09\uc5c5\uccb4 | Aobo Steel - AoboSteel","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/aobosteel.com\/tool-steels\/#primaryimage"},"image":{"@id":"https:\/\/aobosteel.com\/tool-steels\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif","datePublished":"2025-08-05T08:03:55+00:00","dateModified":"2026-10-22T04:51:11+00:00","description":"Aobo Steel\uc758 \uacf5\uad6c\uac15 \uce74\ud0c8\ub85c\uadf8\ub97c \uc0b4\ud3b4\ubcf4\uc2dc\uace0 D2, H13, H11, A2, S7, M2, M35, M42, P20 \ub4f1\uc744 \ud3ec\ud568\ud55c \ub2e4\uc591\ud55c \uc885\ub958\uc758 \uc6d0\ud615 \ubd09\uac15 \ubc0f \ud310\uc7ac\ub97c \ub300\ub7c9\uc73c\ub85c \uacf5\uae09\ubc1b\uc73c\uc138\uc694.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/tool-steels\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/tool-steels\/"]}]},{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/aobosteel.com\/tool-steels\/#primaryimage","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif","width":1254,"height":1254},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/tool-steels\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"Tool Steel Catalog | D2, H13, H11, M2, P20 Supplier | Aobo Steel"}]},{"@type":"WebSite","@id":"https:\/\/aobosteel.com\/#website","url":"https:\/\/aobosteel.com\/","name":"\uc544\uc624\ubcf4\uc2a4\ud2f8","description":"","publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/aobosteel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"\uc544\uc624\ubcf4\uc2a4\ud2f8","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","width":1052,"height":592,"caption":"AoboSteel"},"image":{"@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/"]},{"@type":"Person","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7","name":"\uc5d0\ubc18","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","caption":"Evan"},"sameAs":["http:\/\/www.aobosteel.com","https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.instagram.com\/aobosteel\/","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/","https:\/\/x.com\/AobosteelEvan","https:\/\/www.youtube.com\/@aobosteel"],"url":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Available Tool Steel Grades Choose a grade below to open the related product page. Each page provides grade equivalents, supply direction, typical applications, and material information for quotation discussions. All Grades Cold Work Hot Work High Speed Steel Plastic Mold Steel GB Standard Cold Work Tool Steel D2 Tool Steel | 1.2379 | SKD11 Common&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/catalog-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Available Tool Steel Grades Choose a grade below to open the related product page. Each page provides grade equivalents, supply direction, typical applications, and material information for quotation discussions. All Grades Cold Work Hot Work High Speed Steel Plastic Mold Steel GB Standard Cold Work Tool Steel D2 Tool Steel | 1.2379 | SKD11 Common&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/9564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/comments?post=9564"}],"version-history":[{"count":3,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/9564\/revisions"}],"predecessor-version":[{"id":24115,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/9564\/revisions\/24115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media\/15592"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=9564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}