{"id":4391,"date":"2024-12-13T10:20:01","date_gmt":"2024-12-13T09:20:01","guid":{"rendered":"https:\/\/staging.esb-group.com\/hr0-soft-hot-rolled-steel-according-to-vda-239-100\/"},"modified":"2025-03-25T17:11:01","modified_gmt":"2025-03-25T16:11:01","slug":"hr0-soft-hot-rolled-steel-according-to-vda-239-100","status":"publish","type":"page","link":"https:\/\/www.esb-group.com\/en\/products-vda-239-100\/mild-steels-according-to-vda-239-100\/hr0-soft-hot-rolled-steel-according-to-vda-239-100\/","title":{"rendered":"HR0 &#8211; Mild hot-rolled steel according to VDA 239-100"},"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\">Possible coatings<\/th><th>Alloy concept<\/th><\/tr><\/thead><tbody><tr><td>HR0<\/td><td>VDA 239-100<\/td><td class=\"has-text-align-left\" data-align=\"left\">UC, EG, GI, GA, AS, ZM<\/td><td>Non IF or IF<\/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 Point R<sub>e<\/sub> <br\/>(MPa)<\/th><th class=\"has-text-align-center\" data-align=\"center\">Tensil Strength<br\/>R<sub>m<\/sub> (MPa)<\/th><th>Elongation <br\/>A (in %)  <\/th><th class=\"has-text-align-center\" data-align=\"center\">Type 1<br\/><sub>A50<\/sub> (in %)  <\/th><th class=\"has-text-align-center\" data-align=\"center\">Type 2<br\/><sub>A80<\/sub> (in %)  <\/th><th class=\"has-text-align-center\" data-align=\"center\">Type 3<br\/><sub>A50<\/sub> (in %)  <\/th><th class=\"has-text-align-center\" data-align=\"center\"><sub>n10-20\/Ag<\/sub><\/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\">240 &#8211; 350<\/td><td class=\"has-text-align-center\" data-align=\"center\">310 &#8211; 460<\/td><td>\u2265 28<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 23<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 22<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 24<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 0,12<\/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>Si<\/th><th>Mn<br\/>%<\/th><th>P <br\/>%<\/th><th>S <br\/>%<\/th><th>Al<br\/>%<\/th><th>Ti<br\/>%<\/th><th>Cu<br\/>%<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u2264 0,13<\/td><td>\u2264 0,50<\/td><td>\u2264 0,60<\/td><td>\u2264 0,035<\/td><td>\u2264 0,030<\/td><td>\u2265 0,015<\/td><td>\u2264 0,30<\/td><td>\u2264 0,20<\/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-f365d212\"><h2 class=\"uagb-heading-text\"><strong>HR0 (basic quality) according to VDA 239-100: For basic strength and formability requirements<\/strong><\/h2><\/div>\n\n\n\n<p>Steel grade <strong>HR0<\/strong>, defined in the <strong>VDA 239-100<\/strong> standard, forms the basis for hot-rolled steels with basic strength and formability requirements. This basic grade is particularly suitable for simple applications where no extreme forming processes or complex geometries are required. HR0 is characterized by a balanced combination of strength and formability and offers manufacturers a cost-effective solution for numerous standard applications.  <br\/><br\/><strong>Properties of HR0<\/strong><br\/>HR0 is produced by hot rolling, a process that optimizes the material properties to a basic level:<\/p>\n\n\n\n<div class=\"wp-block-uagb-icon-list uagb-block-cfbdd590\"><div class=\"uagb-icon-list__wrap\">\n<div class=\"wp-block-uagb-icon-list-child uagb-block-85d885ff\"><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>Sufficient formability<\/strong>: HR0 offers moderate formability, which is sufficient for simple forming processes such as bending, cutting or punching.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-4bbf8306\"><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>Basic strength<\/strong>: With an adjusted yield strength and tensile strength, HR0 meets the minimum mechanical requirements needed for numerous standard applications.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-b9ba1a01\"><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>High economic efficiency<\/strong>: The production process for HR0 is less complex than for higher-grade steels, which is reflected in lower material costs.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-467efe7d\"><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>Simple processing<\/strong>: HR0 steel can be easily processed using standard manufacturing processes such as welding or cutting.<\/span><\/div>\n<\/div><\/div>\n\n\n\n<p>These properties make HR0 a solid choice for applications where technical requirements exist, but no specifically increased material qualities are needed.<br\/><br\/><strong>Typical areas of application<\/strong><br\/>The areas of application for HR0 are concentrated on less complex applications.<\/p>\n\n\n\n<p><strong>Comparison of HR0 and CR1 (drawing grade)<\/strong><br\/>While <strong>HR0<\/strong> is primarily used as a basic grade for hot-rolled products, <strong>CR1<\/strong>, a cold-rolled drawing grade, offers significant advantages for applications with higher requirements in terms of formability and surface quality.<\/p>\n\n\n\n<div class=\"wp-block-uagb-icon-list uagb-block-d8e4c877\"><div class=\"uagb-icon-list__wrap\">\n<div class=\"wp-block-uagb-icon-list-child uagb-block-0100b849\"><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>Formability<\/strong>:<br\/>HR0 has good but basic formability and is therefore limited to simple shapes. CR1 offers significantly improved formability due to cold rolling and is also suitable for moderate deep drawing processes. <br\/><\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-d698fbfb\"><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>Surface quality<\/strong>:<br\/>The hot-rolled surface of HR0 is rougher and less suitable for decorative purposes. CR1 has a smooth, cold-rolled surface that is more suitable for coatings and painted end applications. <\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-f0462242\"><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 and precision<\/strong>:<br\/>HR0 meets basic strength requirements and has greater tolerances for thickness and width. CR1 offers better dimensional accuracy due to tighter tolerances and higher material homogeneity.   <\/span><\/div>\n<\/div><\/div>\n\n\n\n<p><strong>Conclusion<\/strong><br\/><strong>HR0 (basic grade)<\/strong> is an economical solution for simple applications with moderate strength and formability requirements. This hot-rolled steel is ideal for standard applications with low complexity and forms a solid basis for simple components. Compared to the cold-rolled drawing grade CR1, however, HR0 is less versatile, especially in terms of forming and surface properties. This makes HR0 the cost-effective choice for standard requirements, while CR1 is preferable for more precise and visually demanding applications.   <\/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 2,070 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 2,000 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 2000 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\/11\/A7C4963-Alex_Bachmann_2025.10.11-1890x1260.jpg\"\n                srcset=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2025\/11\/A7C4963-Alex_Bachmann_2025.10.11-1890x1260.jpg 1x,\n                        https:\/\/www.esb-group.com\/wp-content\/uploads\/2025\/11\/A7C4963-Alex_Bachmann_2025.10.11-1890x1260.jpg 2x\"\n                sizes=\"(max-width: 1024px) 100vw, 945px\"\n                width=\"945\" height=\"630\"\n                alt=\"Alex Bachmann\"><\/div>\n        <div><h6>Ihr Ansprechpartner<\/h6>\n        <h4 class=\"single-contact-name\">Alex Bachmann<\/h4><p class=\"single-contact-telephone\"><span class=\"contact-icon1\"><svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" 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13.8827 6.88886 13.6629C6.55996 13.4432 6.30362 13.1308 6.15224 12.7654C6.00087 12.3999 5.96126 11.9978 6.03843 11.6098C6.1156 11.2219 6.30608 10.8655 6.58579 10.5858C6.86549 10.3061 7.22186 10.1156 7.60982 10.0384C7.99778 9.96126 8.39991 10.0009 8.76537 10.1522C9.13082 10.3036 9.44318 10.56 9.66294 10.8889C9.8827 11.2178 10 11.6044 10 12C10 12.5304 9.78929 13.0391 9.41421 13.4142C9.03914 13.7893 8.53043 14 8 14Z\" fill=\"currentColor\"\/>\n<\/g>\n<defs>\n<clipPath id=\"clip0_131_943\">\n<rect width=\"16\" height=\"16\" fill=\"white\"\/>\n<\/clipPath>\n<\/defs>\n<\/svg>\n<\/span>+49 2841\/60041 120<\/p><p class=\"single-contact-mobile\"><span class=\"contact-icon1\"><svg width=\"16\" height=\"17\" viewBox=\"0 0 16 17\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<g clip-path=\"url(#clip0_131_960)\">\n<path d=\"M15.0865 10.9L11.9495 9.50801C11.6392 9.37074 11.2923 9.33965 10.9625 9.41956C10.6327 9.49947 10.3385 9.68592 10.1255 9.95001L9.17848 11.135C7.64382 10.1587 6.34219 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