{"id":4435,"date":"2024-02-09T06:54:09","date_gmt":"2024-02-09T05:54:09","guid":{"rendered":"https:\/\/staging.esb-group.com\/dd12-soft-steel-for-cold-forming\/"},"modified":"2026-02-19T11:17:39","modified_gmt":"2026-02-19T10:17:39","slug":"dd12-soft-steel-for-cold-forming","status":"publish","type":"page","link":"https:\/\/www.esb-group.com\/en\/products-din-en\/hot-rolled-steel\/dd12-soft-steel-for-cold-forming\/","title":{"rendered":"DD12 &#8211; Mild steel for cold forming"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-8de8518f alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th>Quality<\/th><th>Standard<\/th><th class=\"has-text-align-left\" data-align=\"left\">Material No.<\/th><th>Old designation<\/th><\/tr><\/thead><tbody><tr><td>DD12<\/td><td>DIN EN 10111<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.0398<\/td><td>StW 23<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Quality<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">Testing direction<\/th><th class=\"has-text-align-center\" data-align=\"center\">Yield strength ReL (MPa)<br\/>1 \u2264 2 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">ReL (MPa)<br\/>2 \u2264 11 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">Tensile strength <br\/>Rm (MPa)<\/th><th class=\"has-text-align-center\" data-align=\"center\">Elongation A80<br\/>(in %) <br\/>1 &#8216; 1.5 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A80 <br\/>(in %)<br\/>1.5 \u2264 2 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A80<br\/>(in %)<br\/>2 \u2264 3 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A5<br\/>(in %)<br\/>3 \u2264 11 mm<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Q<\/td><td class=\"has-text-align-center\" data-align=\"center\">170 &#8211; 340<\/td><td class=\"has-text-align-center\" data-align=\"center\">170 &#8211; 320<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2264420<\/td><td class=\"has-text-align-center\" data-align=\"center\">24<\/td><td class=\"has-text-align-center\" data-align=\"center\">25<\/td><td class=\"has-text-align-center\" data-align=\"center\">26<\/td><td class=\"has-text-align-center\" data-align=\"center\">30<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Mechanical Properties <\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">C <br\/>%<\/th><th>Mn<br\/>%<\/th><th>P <br\/>%<\/th><th>S <br\/>%<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u2264 0,10<\/td><td>\u2264 0,45<\/td><td>\u2264 0,035<\/td><td>\u2264 0,035<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Chemical properties<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-e3a1df8c\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-30f6df33\"><h2 class=\"uagb-heading-text\">DD12 hot-rolled steel: a material for a wide range of applications<\/h2><\/div>\n\n\n\n<p>Hot-rolled steel DD12 is a non-alloy steel produced in accordance with the EN 10111 standard. It is characterized by its good formability, weldability and machinability. With a maximum tensile strength of 420 MPa, it is one of the soft steels.  <br\/><br\/><strong>Production and properties:<\/strong><br\/>This grade is usually rolled from slabs that are heated to temperatures of over 1000 \u00b0C. Rolling gives the steel its final shape and properties. DD12 has a ferritic-pearlitic microstructure, which gives it its good formability and toughness.  <br\/><br\/><strong>Applications:<\/strong><br\/>DD12 is used in a variety of applications due to its properties, such as:<br\/>&#8211; Automotive industry: body parts, wheels, chassis components<br\/>&#8211; Construction industry: Load-bearing structures, profiles, pipes<br\/>&#8211; Household appliances: housings, sheet metal<br\/>&#8211; Mechanical engineering: transmission parts, housings, shafts<br\/>&#8211; Agricultural equipment: plows, trailers, tractors<br\/><br\/><strong>Advantages:<\/strong><br\/>&#8211; Good formability: DD12 can be easily formed into various shapes, making it ideal for cold forming.<br\/>&#8211; Good weldability: DD12 can be welded using all common welding processes without preheating.<br\/>&#8211; Toughness: DD12 is a tough material that can withstand high loads.<br\/>&#8216;- Inexpensive: DD12 is a relatively inexpensive material.<br\/><br\/><strong>Disadvantages:<\/strong><br\/>&#8211; Lower strength: DD12 has a lower strength than quenched and tempered or alloyed steels.<br\/><br\/><strong>Surface treatment:<\/strong><br\/>DD12 can be coated using various methods to protect against corrosion, such as:<br\/>&#8211; Galvanizing: Galvanizing protects the steel from corrosion by applying a layer of zinc.<br\/>&#8211; Painting: Painting can be used to coat the steel in different colors and protect it from corrosion at the same time.<br\/>&#8211; Coating with plastics: Plastic coatings offer good corrosion protection and are abrasion-resistant at the same time.<br\/><br\/><strong>Comparison with DD11:<\/strong><br\/>DD12 is somewhat stronger than DD11 and has a higher yield strength. This means that DD12 can withstand more stress before it plastically deforms. However, DD12 is also slightly less tough.  <br\/><br\/><strong>Conclusion<\/strong><br\/>In summary, it can be said that hot-rolled DD12 steel is an extremely versatile material due to its good formability, weldability and machinability. Thanks to its properties, it is used in numerous applications and is very popular for cold forming. <\/p>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-9473a5e7\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-64326558\"><h3 class=\"uagb-heading-text\">Delivery Forms<\/h3><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-uagb-info-box uagb-block-041fe90e uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-image-content\"><img decoding=\"async\" src=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2024\/07\/PXL_20240617_070900567.RAW-02.ORIGINAL-Edit-copy-300x100.webp\" alt=\"Lieferform: Coil\" width=\"\" height=\"0\" loading=\"lazy\"\/><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\">Coil<\/h3><\/div><p class=\"uagb-ifb-desc\">Thicknesses: 1.50 &#8211; 20.00 mm<br\/>Widths: up to 2070 mm<\/p><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-uagb-info-box uagb-block-3ace1294 uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-image-content\"><img decoding=\"async\" src=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2024\/02\/A7R9754-Edit-300x100.webp\" alt=\"Lieferform: Spaltband\" width=\"\" height=\"0\" loading=\"lazy\"\/><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\">Slit Coil<\/h3><\/div><p class=\"uagb-ifb-desc\">Thicknesses: 1.50 &#8211; 20.00 mm<br\/>Widths: up to 2070 mm<\/p><\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-uagb-info-box uagb-block-280c902b uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-image-content\"><img decoding=\"async\" src=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2024\/02\/A7R9749-Edit_3_1-1-300x100.webp\" alt=\"Lieferform: Tafeln und Zuschnitte\" width=\"\" height=\"0\" loading=\"lazy\"\/><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\">Sheets<\/h3><\/div><p class=\"uagb-ifb-desc\">Thicknesses: 1.50 &#8211; 20.00 mm<br\/>Widths: up to 2070 mm<br\/>Lengths: up to 12,000 mm<\/p><\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-separator uagb-block-a70733bc\"><div class=\"wp-block-uagb-separator__inner\" style=\"--my-background-image:\"><\/div><\/div>\n<\/div><\/div>\n<div class=\"contact-block\"><div class=\"single-contact-image\"><img decoding=\"async\" class=\"single-contact-image\"\n                src=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2025\/02\/A7R1333_Torsten_Schmidt-1890x1260.webp\"\n                srcset=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2025\/02\/A7R1333_Torsten_Schmidt-1890x1260.webp 1x,\n                        https:\/\/www.esb-group.com\/wp-content\/uploads\/2025\/02\/A7R1333_Torsten_Schmidt-1890x1260.webp 2x\"\n                sizes=\"(max-width: 1024px) 100vw, 945px\"\n                width=\"945\" height=\"630\"\n                alt=\"Torsten Schmidt\"><\/div>\n        <div><h6>Ihr Ansprechpartner<\/h6>\n        <h4 class=\"single-contact-name\">Torsten Schmidt<\/h4><p class=\"single-contact-telephone\"><span class=\"contact-icon1\"><svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g clip-path=\"url(#clip0_131_943)\">\n<path d=\"M12 0H4C2.93913 0 1.92172 0.421427 1.17157 1.17157C0.421427 1.92172 0 2.93913 0 4L0 5C0 5.26522 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0.960859 1.71071 0.585786 2.08579C0.210714 2.46086 0 2.96957 0 3.5L0 3.9L8 8.4L16 4V3.5C16 2.96957 15.7893 2.46086 15.4142 2.08579C15.0391 1.71071 14.5304 1.5 14 1.5Z\" fill=\"currentColor\"\/>\n<path d=\"M7.5 10.4L0 6.20001V13.5C0 14.0304 0.210714 14.5392 0.585786 14.9142C0.960859 15.2893 1.46957 15.5 2 15.5H14C14.5304 15.5 15.0391 15.2893 15.4142 14.9142C15.7893 14.5392 16 14.0304 16 13.5V6.20001L8.5 10.4C8.3424 10.4693 8.17214 10.505 8 10.505C7.82786 10.505 7.6576 10.4693 7.5 10.4Z\" fill=\"currentColor\"\/>\n<\/g>\n<defs>\n<clipPath id=\"clip0_131_946\">\n<rect width=\"16\" height=\"16\" fill=\"white\" transform=\"translate(0 0.5)\"\/>\n<\/clipPath>\n<\/defs>\n<\/svg>\n<\/span>Torsten.Schmidt@ESB-Group.com<\/p><div class=\"button_container\">\n            <p>Sie m\u00f6chten unsere Produkte anfragen? <br> Dann nutzen Sie gerne unser Kontaktformular.<\/p><a href=\"#\" class=\"button single-contact-button\" onclick=\"openOverlay()\" >zum Anfrageformular<\/a><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Quality Standard Material No. Old designation DD12 DIN EN 10111 1.0398 StW 23 Quality Testing direction Yield strength ReL (MPa)1 \u2264 2 mm ReL (MPa)2 \u2264 11 mm Tensile strength Rm (MPa) Elongation A80(in %) 1 &#8216; 1.5 mm A80 (in %)1.5 \u2264 2 mm A80(in %)2 \u2264 3 mm A5(in %)3 \u2264 11 mm [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2749,"parent":4439,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_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":"","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 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