{"id":503,"date":"2026-06-15T12:57:39","date_gmt":"2026-06-15T04:57:39","guid":{"rendered":"https:\/\/jf-metals.com\/?p=503"},"modified":"2026-06-15T12:57:39","modified_gmt":"2026-06-15T04:57:39","slug":"d2-vs-skd11-vs-1-2379-cold-work-tool-steel-comparison","status":"publish","type":"post","link":"https:\/\/jf-metals.com\/index.php\/2026\/06\/15\/d2-vs-skd11-vs-1-2379-cold-work-tool-steel-comparison\/","title":{"rendered":"D2 vs SKD11 vs 1.2379: Cold Work Tool Steel Comparison"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>D2, SKD11 and 1.2379<\/strong> are widely used cold work tool steel grades for cutting tools, stamping dies, blanking dies, forming tools and wear-resistant tooling components. For overseas buyers, these grade names often appear in different drawings, standards and purchase specifications. Understanding their relationship helps purchasing teams communicate clearly with suppliers and avoid grade confusion during quotation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Are D2, SKD11 and 1.2379 Equivalent Grades?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In many international purchasing cases, <strong>D2 \/ SKD11 \/ 1.2379<\/strong> are treated as equivalent or comparable cold work tool steel grades. They are commonly discussed together because they are high-carbon, high-chromium cold work tool steels used for applications requiring wear resistance and dimensional stability.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Common Name<\/th><th>Standard \/ System<\/th><th>Typical Buyer Search Term<\/th><th>Common Application Direction<\/th><\/tr><\/thead><tbody><tr><td>D2<\/td><td>AISI \/ ASTM style naming<\/td><td>D2 tool steel supplier<\/td><td>Cold work dies, cutting tools, blanking dies<\/td><\/tr><tr><td>SKD11<\/td><td>JIS style naming<\/td><td>SKD11 cold work tool steel<\/td><td>Stamping dies, forming tools, wear-resistant parts<\/td><\/tr><tr><td>1.2379<\/td><td>DIN \/ EN style naming<\/td><td>1.2379 tool steel supplier<\/td><td>Cold work tooling, punches, dies and shear blades<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Although these grades are often considered equivalent in commercial discussions, buyers should always confirm the required standard, chemical composition range, heat treatment condition, hardness requirement and final application before placing an order.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typical Features of D2 \/ SKD11 \/ 1.2379 Cold Work Tool Steel<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D2 \/ SKD11 \/ 1.2379 is selected for tooling applications where wear resistance, edge retention and stable performance are important. Compared with many general-purpose steels, this group of cold work tool steel has higher carbon and chromium content, giving it strong wear resistance and good hardenability.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>High wear resistance for cold work tooling applications<\/li><li>Good dimensional stability after proper heat treatment<\/li><li>Suitable for cutting, blanking, stamping and forming tools<\/li><li>Commonly supplied as round bar, flat bar, plate or block<\/li><li>Can be cut to size according to buyer requirements<\/li><li>Often requested with MTC, chemical composition reference or shipment photos<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Common Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Overseas buyers often search for <strong>D2 steel for cutting tools<\/strong>, <strong>SKD11 cold work steel for stamping dies<\/strong> or <strong>1.2379 tool steel for blanking dies<\/strong>. These searches usually come from mold factories, stamping plants, tool makers, machinery manufacturers and industrial parts suppliers.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Application<\/th><th>Typical Requirement<\/th><th>Buyer Notes<\/th><\/tr><\/thead><tbody><tr><td>Blanking die<\/td><td>Wear resistance and edge stability<\/td><td>Confirm size, hardness, machining allowance and delivery condition<\/td><\/tr><tr><td>Stamping die<\/td><td>Dimensional stability and tool life<\/td><td>Confirm drawing size, tolerance and heat treatment requirement<\/td><\/tr><tr><td>Cutting tool<\/td><td>High hardness and cutting edge retention<\/td><td>Confirm final application, hardness range and inspection documents<\/td><\/tr><tr><td>Wear-resistant mold part<\/td><td>Good wear resistance under cold work conditions<\/td><td>Confirm whether cutting, CNC cutting or machining support is needed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Supply Forms from JF Metals<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JF Metals supplies mold steel and tool steel materials for overseas buyers. For D2 \/ SKD11 \/ 1.2379 cold work tool steel inquiries, available supply forms can be discussed according to stock, mill availability, processing needs and customer requirements.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>D2 cold work tool steel round bar<\/li><li>SKD11 cold work tool steel round bar<\/li><li>1.2379 tool steel plate<\/li><li>Cold work tool steel flat bar<\/li><li>Cold work tool steel block<\/li><li>Cut-to-size mold steel materials<\/li><li>Small mold steel parts and processing support<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Related product page: <a href=\"https:\/\/jf-metals.com\/index.php\/d2-skd11-1-2379-cold-work-tool-steel\/\">D2 \/ SKD11 \/ 1.2379 Cold Work Tool Steel Supplier in China<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">D2 vs SKD11 vs 1.2379: What Should Buyers Confirm?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Because different markets may use different standards and equivalent grade names, buyers should not only send the grade name. A clear inquiry helps suppliers check quotation details more accurately.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Required grade: D2, SKD11, 1.2379 or equivalent grade<\/li><li>Standard or drawing requirement<\/li><li>Size: diameter, thickness, width, length or block dimensions<\/li><li>Quantity and total weight<\/li><li>Supply form: round bar, flat bar, plate, block or cut-to-size parts<\/li><li>Processing requirement: cutting, CNC cutting, machining or milling<\/li><li>Heat treatment or hardness requirement if applicable<\/li><li>Required documents: MTC, chemical composition reference, shipment photos or other inspection support<\/li><li>Destination port and trade terms if available<\/li><li>Required delivery time<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Quotation Notes for Overseas Buyers<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">For cold work tool steel export inquiries, quotation may be influenced by grade, size, quantity, cutting loss, processing requirement, surface condition, packing method and destination port. Complete inquiry information helps reduce repeated communication and makes quotation faster.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">JF Metals can help overseas buyers check supply details for D2 \/ SKD11 \/ 1.2379 cold work tool steel, including grade confirmation, material form, cutting support, packing details and export communication.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Work with JF Metals?<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Mold steel and tool steel supply support<\/li><li>D2 \/ SKD11 \/ 1.2379 inquiry support<\/li><li>Cut-to-size and processing coordination<\/li><li>MTC \/ COA \/ chemical composition reference when applicable<\/li><li>Export packing and shipment communication<\/li><li>Fast quotation based on detailed buyer requirements<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">View more products: <a href=\"https:\/\/jf-metals.com\/index.php\/%e4%ba%a7%e5%93%81%e4%b8%ad%e5%bf%83products\/\">JF Metals Products<\/a>. For quotation, please contact <a href=\"https:\/\/jf-metals.com\/index.php\/%e8%81%94%e7%b3%bb%e6%88%91%e4%bb%accontact-us\/\">JF Metals Contact Us<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Contact JF Metals for D2 \/ SKD11 \/ 1.2379 Quotation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you are looking for a <strong>D2 tool steel supplier in China<\/strong>, <strong>SKD11 cold work tool steel supplier<\/strong> or <strong>1.2379 tool steel exporter<\/strong>, please send your detailed requirement to JF Metals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Email:<\/strong> penny@jf-metals.com<br><strong>WhatsApp \/ WeChat:<\/strong> +86 13972958079<br><strong>Website:<\/strong> <a href=\"https:\/\/jf-metals.com\/\">www.jf-metals.com<\/a><\/p>\n\n\n<!-- JF GLOBAL FOOTER STYLE START -->\n<style>\n.ct-footer{background:linear-gradient(135deg,#174869 0%,#216083 100%)!important;color:#ffffff!important;border-top:2px solid #b91c1c!important;margin-top:32px!important;box-shadow:0 -1px 8px rgba(15,61,94,.08)!important;}\n.ct-footer [data-row=\"bottom\"]{padding:12px 16px!important;}\n.ct-footer .ct-container{max-width:1180px!important;margin:0 auto!important;}\n.ct-footer-copyright{font-size:0!important;line-height:1.45!important;text-align:center!important;color:transparent!important;}\n.ct-footer-copyright>*{display:none!important;}\n.ct-footer-copyright::before{content:\"\u00a9 2026 JF Metals | Hubei Jiefeng Metallurgical Industry and Trade Co., Ltd. All Rights Reserved.\\A Mold Steel | Tool Steel | Ferroalloy | Alloy Materials | Cutting & Machining Support\\A Email: penny@jf-metals.com | WhatsApp \/ WeChat: +86 13972958079 | www.jf-metals.com\";font-size:13px!important;white-space:pre-line!important;display:block!important;color:#ffffff!important;font-weight:500!important;letter-spacing:.01em!important;}\n.ct-footer-copyright a{display:none!important;}\n@media(max-width:640px){.ct-footer [data-row=\"bottom\"]{padding:10px 12px!important}.ct-footer-copyright::before{font-size:12px!important;line-height:1.5!important;}}\n<\/style>\n<!-- JF GLOBAL FOOTER STYLE END -->","protected":false},"excerpt":{"rendered":"<p>Compare D2, SKD11 and 1.2379 cold work tool steel equivalent grades, applications, supply forms and quotation notes from JF Metals China.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-503","post","type-post","status-publish","format-standard","hentry","category-technical-papers"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - 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