{"id":8681,"date":"2026-07-08T10:58:58","date_gmt":"2026-07-08T09:58:58","guid":{"rendered":"https:\/\/www.esb-group.com\/?page_id=8681"},"modified":"2026-07-08T11:49:37","modified_gmt":"2026-07-08T10:49:37","slug":"structural-steel-s275j2-material-number-1-0145-4","status":"publish","type":"page","link":"https:\/\/www.esb-group.com\/en\/products-din-en\/structural-grade-carbon-steel\/structural-steel-s275j2-material-number-1-0145-4\/","title":{"rendered":"Structural steel S355K2 (material number 1.0596)"},"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>Past names<\/th><\/tr><\/thead><tbody><tr><td>S355K2<\/td><td>DIN EN 10025-2<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.0596<\/td><td>S355K2G3<\/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 R<sub>eH<\/sub> <br\/>(MPa) <br\/>\u2264 16 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">Yield strength R<sub>eH<\/sub> <br\/>(MPa) <br\/>&gt; 16 \u2264 40 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">Tensile strength<br\/>R<sub>m<\/sub> (MPa)<br\/>&lt; 3 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">Tensile strength<br\/>R<sub>m<\/sub> (MPa)<br\/>\u2265 3 mm \u2264 100 mm<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Transversal (\u2265 600mm)<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 355<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 345<\/td><td class=\"has-text-align-center\" data-align=\"center\">510 &#8211; 680<\/td><td class=\"has-text-align-center\" data-align=\"center\">470 &#8211; 630<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Mechanical properties at room temperature: yield strength and tensile strength<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th>Sample direction<br\/>a<\/th><th class=\"has-text-align-center\" data-align=\"center\">Elongation<br\/>A<sub>80<\/sub> (in %)<br\/>\u2264 1 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A<sub>80<\/sub> (in %)<br\/>&gt; 1 \u2264 1,5 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A<sub>80<\/sub> (in %)<br\/>&gt; 1,5 \u2264 2 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A<sub>80<\/sub> (in %)<br\/>&gt; 2 \u2264 2,5 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A<sub>80<\/sub> (in %)<br\/>&gt; 2,5 \u2264 3 mm<\/th><th class=\"has-text-align-center\" data-align=\"center\">A<sub>5,65<\/sub> (in %)<br\/>&gt; 3 \u2264 40 mm<\/th><\/tr><\/thead><tbody><tr><td>l<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 14<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 15<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 16<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 17<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 18<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 22<\/td><\/tr><tr><td>t<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 12<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 13<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 14<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 15<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 16<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 20<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Mechanical properties at room temperature: Elongation<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 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>C<br\/>%<br\/>\u2264 16 mm<\/th><th class=\"has-text-align-left\" data-align=\"left\">C<br\/>%<br\/>&gt;16 mm <br\/>\u2264 40 mm<\/th><th class=\"has-text-align-left\" data-align=\"left\">Si<br\/>%<\/th><th class=\"has-text-align-left\" data-align=\"left\">Mn<br\/>%<\/th><th>P <br\/>%<\/th><th>S <br\/>%<\/th><th>N<br\/>%<\/th><th>Cu<br\/>%<\/th><th>CEV <br\/>%<br\/>\u2264 30 mm<\/th><\/tr><\/thead><tbody><tr><td>\u2264 0,20<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2264 0,20<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2264 0,55<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2264 1,60<\/td><td>\u2264 0,025<\/td><td>\u2264 0,025<\/td><td>&#8211;<\/td><td>\u2264 0,55<\/td><td>\u2264 0,45<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Chemical composition according to melt analysis <\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Temperature<\/th><th class=\"has-text-align-left\" data-align=\"left\">Minimum impact energy<br\/>KV<sub>2<\/sub> (J) \u2264 150 mm<br\/><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">-20\u00b0C<\/td><td class=\"has-text-align-left\" data-align=\"left\">40<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Impact strength KV2 on longitudinal specimens <\/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-c97defe9\"><h2 class=\"uagb-heading-text\">Structural Steel S355K2 \u2013 The high-end toughness grade for extreme conditions<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Superior resistance to brittle fracture at low temperatures in heavy steel construction<\/strong><br\/>The unalloyed quality steel S355K2 represents the highest toughness grade within the 355 strength class according to DIN EN 10025-2. Wherever components are exposed to extreme dynamic forces, sudden loads, or arctic temperatures, this flat steel product\u2014available in nominal thicknesses up to 30 mm\u2014provides a crucial safety margin. It is the specialist choice for highly stressed structures in the offshore sector, heavy machinery manufacturing, and materials handling technology. <\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-f1af547c\"><h2 class=\"uagb-heading-text\">Technical Specifications and Mechanical Profile<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list uagb-block-4e4559ae\"><div class=\"uagb-icon-list__wrap\">\n<div class=\"wp-block-uagb-icon-list-child uagb-block-6614ec9f\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 0C114.6 0 0 114.6 0 256c0 141.4 114.6 256 256 256s256-114.6 256-256C512 114.6 397.4 0 256 0zM406.6 278.6l-103.1 103.1c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25L306.8 288H128C110.3 288 96 273.7 96 256s14.31-32 32-32h178.8l-49.38-49.38c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l103.1 103.1C414.6 241.3 416 251.1 416 256C416 260.9 414.6 270.7 406.6 278.6z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\"><strong>Outstanding impact toughness (grade K2):<\/strong> The key characteristic of S355K2 is its extreme toughness. It guarantees an impact energy of at least 40 joules at a test temperature of -20 \u00b0C. This significantly exceeds the requirements of the J2 grade and minimizes the risk of cracking under full load in sub-zero temperatures.  <\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-6d2c9697\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 0C114.6 0 0 114.6 0 256c0 141.4 114.6 256 256 256s256-114.6 256-256C512 114.6 397.4 0 256 0zM406.6 278.6l-103.1 103.1c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25L306.8 288H128C110.3 288 96 273.7 96 256s14.31-32 32-32h178.8l-49.38-49.38c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l103.1 103.1C414.6 241.3 416 251.1 416 256C416 260.9 414.6 270.7 406.6 278.6z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\"><strong>Strength Properties:<\/strong> Like the sister grades, it offers a minimum yield strength of 355 MPa (for thicknesses greater than 16 mm) or 345 MPa (for thicknesses up to 30 mm).<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-4c137ccc\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 0C114.6 0 0 114.6 0 256c0 141.4 114.6 256 256 256s256-114.6 256-256C512 114.6 397.4 0 256 0zM406.6 278.6l-103.1 103.1c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25L306.8 288H128C110.3 288 96 273.7 96 256s14.31-32 32-32h178.8l-49.38-49.38c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l103.1 103.1C414.6 241.3 416 251.1 416 256C416 260.9 414.6 270.7 406.6 278.6z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\"><strong>Killed high-quality steel:<\/strong> The material is cast in a fully killed state and has a particularly fine-grained, homogeneous microstructure with high resistance to aging.<\/span><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-8165d197\"><h2 class=\"uagb-heading-text\">Customized Configuration for Your Project<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list uagb-block-29bd0a94\"><div class=\"uagb-icon-list__wrap\">\n<div class=\"wp-block-uagb-icon-list-child uagb-block-fac9af93\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 0C114.6 0 0 114.6 0 256c0 141.4 114.6 256 256 256s256-114.6 256-256C512 114.6 397.4 0 256 0zM406.6 278.6l-103.1 103.1c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25L306.8 288H128C110.3 288 96 273.7 96 256s14.31-32 32-32h178.8l-49.38-49.38c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l103.1 103.1C414.6 241.3 416 251.1 416 256C416 260.9 414.6 270.7 406.6 278.6z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\"><strong>Variable Delivery Condition:<\/strong> We deliver flat products exactly in the delivery condition specified by you or your customer\u2014whether as-rolled (+AR), thermomechanically rolled (+M), or normalized (+N).<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-bbce1506\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path d=\"M256 0C114.6 0 0 114.6 0 256c0 141.4 114.6 256 256 256s256-114.6 256-256C512 114.6 397.4 0 256 0zM406.6 278.6l-103.1 103.1c-12.5 12.5-32.75 12.5-45.25 0s-12.5-32.75 0-45.25L306.8 288H128C110.3 288 96 273.7 96 256s14.31-32 32-32h178.8l-49.38-49.38c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0l103.1 103.1C414.6 241.3 416 251.1 416 256C416 260.9 414.6 270.7 406.6 278.6z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\"><strong>Advanced Testing and Options:<\/strong> For safety-critical applications, all standard technical specifications can be flexibly agreed upon. You can optionally order the material with specific test certificates for each individual rolled sheet, with optimal suitability for cold forming (bending), or with a specific chemical composition for subsequent galvanizing. <\/span><\/div>\n<\/div><\/div>\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-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"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=\"\" 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: 1,57 &#8211; 25,00 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=\"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=\"\" 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: 1,57 &#8211; 25,00 mm<br\/>Widths: up to 1000 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=\"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: 1,57 &#8211; 25,00 mm<br\/>Widths: up to 2070 mm<br\/>Lengths: up to 6.000 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 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g clip-path=\"url(#clip0_131_946)\">\n<path d=\"M14 1.5H2C1.46957 1.5 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. Past names S355K2 DIN EN 10025-2 1.0596 S355K2G3 Quality Testing direction Yield strength ReH (MPa) \u2264 16 mm Yield strength ReH (MPa) &gt; 16 \u2264 40 mm Tensile strengthRm (MPa)&lt; 3 mm Tensile strengthRm (MPa)\u2265 3 mm \u2264 100 mm Transversal (\u2265 600mm) \u2265 355 \u2265 345 510 &#8211; 680 470 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3964,"parent":4448,"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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