{"id":9273,"date":"2025-08-01T15:01:27","date_gmt":"2025-08-01T07:01:27","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9273"},"modified":"2026-10-22T13:58:39","modified_gmt":"2026-10-22T05:58:39","slug":"dc53-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/dc53-tool-steel\/","title":{"rendered":"DC53 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4 | DC53 \uc6d0\ud615 \ubd09 \ubc0f \ud310\uc7ac \ub300\ub7c9 \uacf5\uae09"},"content":{"rendered":"\n<style id=\"aobo-steel-rebuild\" data-noptimize=\"1\">\n\/* Rebuilt tool-steel page: banner is full-bleed, the body keeps the site's normal\n   content width. 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}\n.ads2-cardsub { margin: 0 0 10px; font-size: 12.4px; color: #5a6b7d; line-height: 1.4; }\n.ads2-card form p { margin: 0 0 6px; }\n.ads2-card input[type=text], .ads2-card input[type=email], .ads2-card input[type=tel],\n.ads2-card textarea { width: 100%; font: inherit; font-size: 13.4px; color: #0f1620;\n  background: #f6f8fb; border: 1px solid #cfd9e6; border-radius: 6px; padding: 8px 10px; margin: 0; }\n.ads2-card textarea { resize: vertical; min-height: 54px; }\n.ads2-card input[type=submit] { width: 100%; background: #074fd0; color: #fff; border: 0;\n  border-radius: 6px; padding: 11px 14px; font-size: 14.6px; font-weight: 700;\n  font-family: inherit; cursor: pointer; }\n.ads2-card input[type=submit]:hover { background: #063c9e; }\n.ads2-card .cf-turnstile { margin: 0 0 8px; }\n.ads2-or { margin: 8px 0 0; font-size: 12px; color: #5a6b7d; }\n.ads2-or a { color: #1f5fd0; text-decoration: none; font-weight: 600; }\n@media (max-width: 1000px) {\n  .ads2-hero-in { display: grid; grid-template-columns: 1fr; gap: 16px; }\n  .ads2-card { max-width: 420px; }\n}\n@media (max-width: 640px) {\n  .ads2-checks { display: none; }\n  .ads2-card { max-width: none; }\n}\n@media (max-width: 640px) {\n  .ads2-hero .ads2-tag { display: none; }\n  .ads2-hero-in { padding: 22px 18px 26px; }\n}\n\/* --- DC53 banner photo 2026-10-20 --- *\/\n.ads2-hero-ov { opacity: .10; }\n.ads2-hero-scrim { background: linear-gradient(90deg, rgba(7,14,22,.72) 0%, rgba(7,14,22,.46) 34%, rgba(7,14,22,.24) 58%, rgba(7,14,22,.34) 80%, rgba(7,14,22,.52) 100%); }\n.ads2-hero-img { object-position: 50% 50%; }\n@media (max-width: 640px) { .ads2-hero-img { object-position: 26% 50%; } }\n<\/style>\n<div class=\"ads2\">\n<section class=\"ads2-hero\">\n  <img class=\"ads2-hero-img\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/dc53-tool-steel-plates-hero.jpg\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/dc53-tool-steel-plates-hero.jpg 2280w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/dc53-tool-steel-plates-hero-2048x797.jpg 2048w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/dc53-tool-steel-plates-hero-1536x598.jpg 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/10\/dc53-tool-steel-plates-hero-1024x398.jpg 1024w\" sizes=\"100vw\" width=\"2280\" height=\"887\" alt=\"DC53 tool steel plates stacked at the mill, each plate marked DC53 LF VD at 610 mm width\" fetchpriority=\"high\" decoding=\"async\">\n  <div class=\"ads2-hero-ov\"><\/div>\n  <div class=\"ads2-hero-scrim\"><\/div>\n  <div class=\"ads2-hero-in\">\n    <div class=\"ads2-copy\">\n      <nav class=\"ads2-crumb\"><a href=\"https:\/\/aobosteel.com\/\">Home <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/tool-steels\/\">Tool Steel Catalog <\/a>&gt; DC53 Tool Steel<\/nav>\n      <p class=\"ads2-tag\"><em>Aobo Steel | Global Tool Steel Supplier in China<\/em><\/p>\n      <h1 class=\"ads2-h1\">DC53 Tool Steel Supplier for Bulk Orders<\/h1>\n      <p class=\"ads2-sub\">High-Toughness Cold Work Die Steel | Annealed Delivery | For Global Distributors<\/p>\n      <ul class=\"ads2-checks\">\n        <li>100% UT Tested &ndash; SEP 1921-82 Class D\/d Guaranteed<\/li>\n        <li>Annealed State Delivery &middot; MTC (EN 10204 3.1)<\/li>\n        <li>Surface: Black Scale \/ Turned \/ Mill Finish \/ Polished<\/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\/9273#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=\"34\"\/><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>DC53 steel is a high-chromium steel and a general-purpose high-toughness cold-work die steel. After quenching and tempering at 520-530\u00b0C, its hardness can reach 62-63 HRC, exceeding that of SKD11 steel. Although its hardness is 2-3 HRC higher, its wear resistance and impact toughness are significantly improved, making it an excellent steel grade for replacing D2.<\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>DC53 Tool Steel Supply Overview<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t kv\"><tbody><tr><td>Grade<\/td><td>JIS DC53<\/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 DC53 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><\/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><\/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<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 DC53 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.<\/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<div class=\"ads2-cta popmake-16052\"><a class=\"ads2-btn\" href=\"#\">Get DC53 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<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>Application<\/h2>\n<p>Blanking dies, cold-forming dies, cold-drawing dies, forming roll punches, and cold-extrusion dies are essential for shaping and cutting materials in cold-working processes.<\/p>\n<p>Precision blanking and various types of stamping dies for wire-cutting processing are ideal for intricate, accurate cutting tasks.<\/p>\n<p>Plastic deformation dies for difficult-to-machine materials: This includes cold-forging, deep-drawing, and thread-rolling dies, as well as high-speed blanking punches and stainless-steel sheet punches, suited for challenging material processing.<\/p>\n<p>Cold-stamping dies requiring high wear resistance, hardness, and toughness are ideal for demanding stamping operations that require durability and strength.<\/p>\n<p>Dies with higher performance requirements than D2 steel and molds needing exceptional toughness: DC53 offers superior performance and excellent cost-effectiveness in these scenarios.<\/p>\n<p>Large molds and precision molds: Suitable for applications where size and precision are critical.<\/p>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>Composition<\/h2>\n<div class=\"ads2-tw\"><table class=\"ads2-t data\"><thead><tr><td>Element<\/td><td>Carbon (C)<\/td><td>Silicon (Si)<\/td><td>Manganese (Mn)<\/td><td>Chromium (Cr)<\/td><td>Molybdenum (Mo)<\/td><td>Vanadium (V)<\/td><\/tr><\/thead><tbody><tr><td>Percentage (%)<\/td><td>0.90 &#8211; 1.10<\/td><td>1<\/td><td>0.4<\/td><td>8<\/td><td>2<\/td><td>0.3<\/td><\/tr><\/tbody><\/table><\/div>\n<\/section>\n<section class=\"ads2-sec\">\n<h2>Heat treatment<\/h2>\n<h3>Hardening process<\/h3>\n<p>The first step is quenching. The process involves heating the material to 940-960\u00b0C, then rapidly cooling, typically with air or oil.<\/p>\n<h3>Tempering<\/h3>\n<p>After quenching, a tempering treatment is applied. There are two types of tempering for DC53 steel:<\/p>\n<ul>\n<li>Low-temperature tempering (180-220\u00b0C): This method is suitable for molds requiring very high hardness. The hardness after tempering can reach 60-62 HRC, which is particularly wear-resistant.<\/li>\n\n\n\n<li>High-temperature tempering (520-530\u00b0C): This method maintains high hardness (62-63 HRC) while increasing ductility, which is ideal for molds that need to be strong and durable.<\/li>\n<\/ul>\n<h3>Heat treatment precautions<\/h3>\n<ol>\n<li>It should be in a step-warming manner to avoid heating too fast and causing the material to open up.<\/li>\n\n\n\n<li>After tempering the material, the air cools to room temperature.<\/li>\n\n\n\n<li>If the material is used to make precision molds, it is recommended that it be tempered at 520-530\u00b0C for optimal results.<\/li>\n<\/ol>\n<\/section>\n<\/div>>\n\n","protected":false},"excerpt":{"rendered":"<p>Home &gt; Tool Steel Catalog &gt; DC53 Tool Steel Aobo Steel | Global Tool Steel Supplier in China DC53 Tool Steel Supplier for Bulk Orders High-Toughness Cold Work Die Steel | Annealed Delivery | For Global Distributors 100% UT Tested &ndash; SEP 1921-82 Class D\/d Guaranteed Annealed State Delivery &middot; MTC (EN 10204 3.1) Surface: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":14813,"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 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-9273","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>DC53 Steel Supplier | DC53 Tool Steel Round Bar &amp; 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