{"id":9472,"date":"2025-08-04T10:29:38","date_gmt":"2025-08-04T02:29:38","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9472"},"modified":"2026-10-22T13:58:11","modified_gmt":"2026-10-22T05:58:11","slug":"d2-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/","title":{"rendered":"AISI D2 \uacf5\uad6c\uac15 (1.2379 | SKD11) \uacf5\uae09\uc5c5\uccb4"},"content":{"rendered":"\n<style id=\"aobo-d2-rebuild\" data-noptimize=\"1\">\n\/* ===== AISI D2 page (rebuilt) - every rule below is scoped to this page ===== *\/\n.ads2 *, .ads2 *::before, .ads2 *::after { box-sizing: border-box; }\n.ads2 { font-size: 16px; line-height: 1.75; color: #2b2b2b; }\n\n\/* The page keeps the site default (normal) content container; body width is capped by .ads2-body *\/\n\n\/* --- Banner: full-bleed (!important beats any theme\/block max-width or auto margins) --- *\/\n.ads2-hero { position: relative; width: 100vw !important; max-width: 100vw !important;\n  margin-left: calc(50% - 50vw) !important; margin-right: 0 !important;\n  min-height: 430px; display: flex; align-items: center; overflow: hidden; background: #1d1d1d; }\n.ads2-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }\n\/* overlay: same as the live D2 banner - flat #4E4B40 at 50% opacity *\/\n.ads2-hero-ov { position: absolute; inset: 0; background: #4e4b40; opacity: .5; }\n\/* extra left-to-right scrim (all copy sits on the left 3\/4) to keep white text legible *\/\n.ads2-hero-scrim { position: absolute; inset: 0;\n  background: linear-gradient(90deg, rgba(0,0,0,.42) 0%, rgba(0,0,0,.32) 45%, rgba(0,0,0,.16) 78%, rgba(0,0,0,.04) 100%); }\n.ads2-hero-in { position: relative; width: 100%; max-width: 1200px; margin: 0 auto; padding: 56px 24px; color: #fff; }\n.ads2-crumb, .ads2-crumb a { color: #d8dee9; font-size: 13px; text-decoration: none; letter-spacing: .2px; }\n\/* Note: the theme already sets body{overflow-x:hidden}, which clips the ~7px of the 100vw\n   breakout. 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<a href=\"https:\/\/aobosteel.com\/tool-steels\/\">Tool Steel Catalog <\/a>&gt; D2 Tool Steel<\/nav>\n      <p class=\"ads2-tag\"><em>Aobo Steel | Global Tool Steel Supplier in China<\/em><\/p>\n      <h1 class=\"ads2-h1\">AISI D2 Tool Steel (1.2379 \/ SKD11) Supplier in China<\/h1>\n      <p class=\"ads2-sub\">Bulk Supply for Global Distributors | 1,200 Tons Monthly Capacity | 20GP Container Optimized<\/p>\n      <ul class=\"ads2-checks\">\n        <li>100% UT Tested (SEP 1921-82 D\/d)<\/li>\n        <li>Annealed Delivery &middot; Black \/ Turned \/ Polished<\/li>\n        <li>MTC (EN 10204 3.1) with Heat Number<\/li>\n      <\/ul>\n    <\/div>\n    <div class=\"ads2-card\" id=\"ads2-form\">\n      <p class=\"ads2-card-ttl\">Check stock &amp; price<\/p>\n      <p class=\"ads2-cardsub\">Send the sizes, quantity and destination port &mdash; we confirm stock and price within one working day.<\/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\/9472#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=\"244\"\/><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=\"ads2-or\">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<\/section>\n<div class=\"ads2-body\">\n<section class=\"ads2-sec\">\n<p>D2 tool steel\u00a0(DIN 1.2379 \/ JIS SKD11) is one of the most widely used cold-work tool steels for wear-resistant tooling. How the grade differs from its Japanese equivalent in composition, working hardness and service behaviour is set out in the <a href=\"https:\/\/aobosteel.com\/d2-vs-skd11-tool-steel\/\">D2 vs SKD11 comparison<\/a>. <\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>D2 Tool Steel Supply Overview<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td>Grade<\/td><td>AISI D2 \/ DIN 1.2379 \/ JIS SKD11<\/td><\/tr><tr><td>Delivery Condition<\/td><td>Fully Annealed (Soft Condition for Machining)<\/td><\/tr><tr><td>Available Forms<\/td><td>Round Bar \/ Flat Bar \/ Plate \/ Forged Block<\/td><\/tr><tr><td>Monthly Production Capacity<\/td><td>Approx. 1,200 metric tons<\/td><\/tr><tr><td>Recommended Export Quantity<\/td><td>Full 20GP container (~26 tons)<\/td><\/tr><tr><td>MOQ<\/td><td>5 tons<\/td><\/tr><tr><td>Lead Time (With Ingot Stock)<\/td><td>Approx. 20 days<\/td><\/tr><tr><td>Lead Time (Fresh Melt)<\/td><td>30\u201345 days<\/td><\/tr><tr><td>Lead Time (ESR Grade)<\/td><td>Approx. 60 days<\/td><\/tr><tr><td>Inspection<\/td><td>In-house UT team + Third-party inspection available<\/td><\/tr><tr><td>Documentation<\/td><td>MTC (EN 10204 3.1) + UT Report<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>Why Global Distributors Source D2 from Aobo Steel<\/h2>\n<div class=\"ads2-cols2\"><div><ul>\n<li>Continuous monthly supply of around 1,200 tons<\/li>\n\n\n\n<li>MOQ from 5 tons for wholesale orders<\/li>\n\n\n\n<li>Container-optimized bar and plate lengths<\/li>\n\n\n\n<li>Mixed sizes are supported for export loading<\/li>\n\n\n\n<li>Annealed delivery for downstream machining<\/li>\n\n\n\n<li>Stable sourcing through integrated supply chain partners<\/li>\n<\/ul>\n<\/div><div><ul>\n<li>UT inspection available to SEP 1921-82 D\/d or E\/e<\/li>\n\n\n\n<li>MTC and batch traceability with each shipment<\/li>\n\n\n\n<li>Heat number tracking for order control<\/li>\n\n\n\n<li>Black, turned, and polished surface options<\/li>\n\n\n\n<li>Bulk export packing for sea shipment<\/li>\n\n\n\n<li>Clear conversion path to the dedicated bulk supply page<\/li>\n<\/ul>\n<\/div><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<div class=\"ads2-row\">\n  <div class=\"ads2-col-t\"><h2>Stable Production for Long-Term Bulk Supply<\/h2>\n<ul>\n<li>Continuous monthly output of around 1,200 tons<\/li>\n\n\n\n<li>Continuous production cycles for inventory replenishment<\/li>\n\n\n\n<li>ESR (Electro-Slag Remelting) is available upon request<\/li>\n\n\n\n<li>Stable alloy sourcing to reduce supply interruption risk<\/li>\n\n\n\n<li>Full batch traceability linked to the original heat number<\/li>\n<\/ul>\n\n\n\n\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">Request a Volume Quote<\/a><\/div><\/div>\n  <div class=\"ads2-col-i\"><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/IMG_20171115_153016-1024x576.avif\" alt=\"\"><\/figure><\/div>\n<\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>Available D2 Tool Steel Forms<\/h2>\n<figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/03\/dd399cbb-cb1f-40f8-8398-03acefc1a0cd-1024x206.avif\" alt=\"\"><\/figure>\n<\/section>\n<section class=\"ads2-sec\">\n<div class=\"ads2-row ads2-row-flip\">\n  <div class=\"ads2-col-t\"><h2>Quality Control for Bulk Orders<\/h2>\n<p>Every batch of tool steel supplied by Aobo Steel is verified before shipment to ensure grade accuracy, internal soundness, and traceability for bulk orders. How buyers specify D2 before ordering is set out step by step in the <a href=\"https:\/\/aobosteel.com\/d2-tool-steel-1-2379-skd11-selection-supply-guide\/\">D2 selection and bulk supply guide<\/a>.<\/p>\n<ul>\n<li>Chemical composition verified by a spectrometer<\/li>\n\n\n\n<li>Ultrasonic testing available (SEP 1921-82)<\/li>\n\n\n\n<li>Delivered in spheroidized annealed condition<\/li>\n\n\n\n<li>Mill Test Certificate (EN 10204 3.1) with heat number<\/li>\n\n\n\n<li>Dimensional and surface inspection before shipment<\/li>\n<\/ul>\n\n\n\n\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">Get D2 Bulk Supply Quote<\/a><\/div><\/div>\n  <div class=\"ads2-col-i\"><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/09\/tool-steel-metallographic-inspection.jpg\" alt=\"Metallographic inspection of tool steel during quality control before bulk shipment\"><\/figure><\/div>\n<\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<div class=\"ads2-row\">\n  <div class=\"ads2-col-t\"><h2>Export Packaging and Container Loading<\/h2>\n<ul>\n<li>Professional seaworthy export packing<\/li>\n\n\n\n<li>20GP loading optimized up to ~26 tons<\/li>\n\n\n\n<li>Mixed grades and mixed sizes supported<\/li>\n\n\n\n<li>Anti-rust protection for long sea transit<\/li>\n<\/ul>\n\n\n\n\n<p>For international shipments, full-container loading is strongly recommended to ensure cost efficiency and smoother customs processing.<\/p>\n<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">Get a Full Container Load (FCL) Quote<\/a><\/div><\/div>\n  <div class=\"ads2-col-i\"><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/02\/photobank-2.avif\" alt=\"\"><\/figure><\/div>\n<\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>AISI D2 \/ DIN 1.2379 \/ JIS SKD11 Gallery<\/h2>\n<div class=\"ads2-gal\"><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/D2-tool-steel.avif\" alt=\"\"><\/figure><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/02\/1.2379-small-1-1024x1024.jpg\" alt=\"1.2379\"><\/figure><figure class=\"ads2-fig\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/SKD11-png.avif\" alt=\"SKD11\"><\/figure><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>Typical Industrial Applications of D2 Tool Steel<\/h2>\n<div class=\"ads2-cols2\"><div><ul>\n<li><a href=\"https:\/\/aobosteel.com\/tool-steel-for-stamping-blanking-piercing-dies\/\">Blanking and stamping dies<\/a><\/li>\n\n\n\n<li>Cold forming tools<\/li>\n\n\n\n<li>Industrial knives<\/li>\n<\/ul>\n<\/div><div><ul>\n<li><a href=\"https:\/\/aobosteel.com\/tool-steel-for-shear-blades-slitter-knives-industrial-knives\/\">Shear blades and slitter knives<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/tool-steel-for-cold-extrusion-cold-heading-thread-rolling-dies\/\">Thread rolling dies<\/a><\/li>\n\n\n\n<li>Wear-resistant tooling components<\/li>\n<\/ul>\n<\/div><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>D2 Tool Steel and the Equivalent Grades\u2019 Composition<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>C<\/td><td>Cr<\/td><td>Mo<\/td><td>V<\/td><td>Mn<\/td><td>Si<\/td><td>P<\/td><td>S<\/td><\/tr><\/thead><tbody><tr><td>1.40 \u2013 1.60%<\/td><td>11.00 \u2013 13.00%<\/td><td>0.70 \u2013 1.20%<\/td><td>0.50 \u2013 1.10%<\/td><td>0.10 \u2013 0.60%<\/td><td>0.10 \u2013 0.60%<\/td><td>\u2264 0.030%<\/td><td>\u2264 0.030%<\/td><\/tr><\/tbody><\/table><\/div>\n<p>The equivalent grades\u2019 composition<\/p>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>\u00a0<\/td><td>C<\/td><td>Si<\/td><td>Mn<\/td><td>\u00a0Cr<\/td><td>Mo<\/td><td>\u00a0V<\/td><td>P<\/td><td>S<\/td><\/tr><\/thead><tbody><tr><td>Germany\/W-Nr.\u00a01.2379<\/td><td>1.45 \u2013 1.60%<\/td><td>0.10 \u2013 0.60%<\/td><td>0.20 \u2013 0.60%<\/td><td>11.00 \u2013 13.00%<\/td><td>0.70 \u2013 1.00%<\/td><td>0.70 \u2013 1.00%<\/td><td>\u22640.030%<\/td><td>\u22640.030%<\/td><\/tr><tr><td>Japan\/JIS SKD11<\/td><td>1.40 \u2013 1.60%<\/td><td>\u22640.40%<\/td><td>\u22640.60%<\/td><td>11.00 \u2013 13.00%<\/td><td>0.80 \u2013 1.20%<\/td><td>0.20 \u2013 0.50%<\/td><td>\u22640.030%<\/td><td>\u22640.030%<\/td><\/tr><tr><td>China\/GB Cr12Mo1V1<\/td><td>1.40 \u2013 1.60%<\/td><td>\u22640.60%<\/td><td>\u22640.60%<\/td><td>11.00 \u2013 13.00%<\/td><td>0.70 \u2013 1.20%<\/td><td>0.50 \u2013 1.10%<\/td><td>\u22640.030%<\/td><td>\u22640.030%<\/td><\/tr><\/tbody><\/table><\/div>\n<p><em>We guarantee that all materials are manufactured in strict compliance with the specified chemical compositions for D2, 1.2379, and SKD11.<\/em><\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>D2 Steel Heat Treatment Overview<\/h2>\n<p>D2 is an air-hardening tool steel. Controlled heat treatment is critical to achieve optimal wear resistance and dimensional stability.<\/p>\n<ul>\n<li>Preheat: 650\u00b0C<\/li>\n\n\n\n<li>Austenitizing: 1010\u20131024\u00b0C<\/li>\n\n\n\n<li>Quenching: Air quench<\/li>\n\n\n\n<li>Recommended Tempering: Double temper<\/li>\n<\/ul>\n\n\n\n\n<\/section>\n<section class=\"ads2-sec\">\n<h2>D2 Steel Properties<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>Modulus of Elasticity<\/td><td>0.2% Offset Yield Strength<\/td><td>Yield Strength<\/td><td>UTS(Tensile Strength)<\/td><\/tr><\/thead><tbody><tr><td>203\u00a0GPa<\/td><td>411\u00a0MPa<\/td><td>350\u00a0MPa<\/td><td>758\u00a0MPa<\/td><\/tr><\/tbody><\/table><\/div>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>Modulus of Toughness<\/td><td>Fracture Strength<\/td><td>Elongation at Break<\/td><td>Gauge Length<\/td><td>Fracture Strain<\/td><td>Area Reduction<\/td><\/tr><\/thead><tbody><tr><td>81\u00a0MPa<\/td><td>723\u00a0MPa<\/td><td>0.61\u00a0mm<\/td><td>30\u00a0mm<\/td><td>1.97%<\/td><td>1.30%<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Home &gt; Tool Steel Catalog &gt; D2 Tool Steel Aobo Steel | Global Tool Steel Supplier in China AISI D2 Tool Steel (1.2379 \/ SKD11) Supplier in China Bulk Supply for Global Distributors | 1,200 Tons Monthly Capacity | 20GP Container Optimized 100% UT Tested (SEP 1921-82 D\/d) Annealed Delivery &middot; Black \/ Turned \/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14788,"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":"default","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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