{"id":5907,"date":"2025-04-30T09:29:49","date_gmt":"2025-04-30T08:29:49","guid":{"rendered":"https:\/\/www.esb-group.com\/?page_id=5907"},"modified":"2025-04-30T09:29:49","modified_gmt":"2025-04-30T08:29:49","slug":"hx420lad-hot-dip-galvanized-micro-alloyed-steel","status":"publish","type":"page","link":"https:\/\/www.esb-group.com\/en\/products-din-en\/hot-dip-galvanized-microalloyed-steel\/hx420lad-hot-dip-galvanized-micro-alloyed-steel\/","title":{"rendered":"HX420LAD &#8211; Hot-dip galvanized micro-alloyed steel"},"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>Available coatings<\/th><\/tr><\/thead><tbody><tr><td>HX420LAD<\/td><td>DIN EN 10346<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.0935<\/td><td>+Z, +ZA, +ZF, +ZM, +AZ, +AS<\/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 <sub>Rp02<\/sub><br\/>(MPa)<\/th><th class=\"has-text-align-center\" data-align=\"center\">Tensil Strength<br\/>R<sub>m<\/sub> (MPa)<\/th><th class=\"has-text-align-center\" data-align=\"center\">Elongation<br\/>A<sub>80<\/sub> (in %) <\/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\">420 &#8211; 520<\/td><td class=\"has-text-align-center\" data-align=\"center\">470 &#8211; 590<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2265 17<\/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-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 class=\"has-text-align-left\" data-align=\"left\">C <br\/>%<\/th><th>Si<br\/>%<\/th><th>Mn<br\/>%<\/th><th>P <br\/>%<\/th><th>S <br\/>%<\/th><th>Al<br\/>%<\/th><th>Nb<br\/>%<\/th><th>Ti<br\/>%<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u2264 0,12<\/td><td>\u2264 0,50<\/td><td>\u2264 1,60<\/td><td>\u2264 0,030<\/td><td>\u2264 0,025<\/td><td>\u2265 0,015<\/td><td>\u2264 0,10<\/td><td>\u2264 0,15<\/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<p class=\"wp-block-paragraph\">The hot-dip galvanized steel HX420LAD in accordance with the EN 10346 standard (material number 1.0935) is a high-strength, micro-alloyed structural steel that has been specially developed for extremely stressed body and structural components in the automotive industry. Its outstanding performance is based on the targeted alloying with niobium, titanium and vanadium, which ensure a fine-grained steel structure and thus enable the combination of high strength, resilient toughness and good formability. The subsequent hot-dip galvanizing is carried out in a continuous dipping process in which the strip sheet is passed several times through a liquid zinc bath and cooled in a controlled manner. This creates a closed, homogeneous zinc layer that protects the material from corrosion in the long term and gives it impressive durability in harsh operating conditions.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-956d7848\"><h3 class=\"uagb-heading-text\">Properties<\/h3><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In its untreated state, HX420LAD is characterized by a minimum yield strength Rp0.2 of around 420 N\/mm\u00b2, which is achieved by the very fine precipitation of niobium, titanium and vanadium compounds. The typical tensile strength Rm ranges from 470 to 590 N\/mm\u00b2, while the elongation at break A80 does not fall below 17 %. These characteristic values prove that, despite its high strength, the steel is sufficiently ductile to master complex forming processes with tight bending radii without the risk of brittle cracking. The fine-grained microstructure, stabilized by microalloying, reduces grain growth even under thermal stress and ensures high notched impact strength, even at low temperatures. The hot-dip galvanized surface in accordance with EN 10346 gives the material a uniformly thick zinc coating, the composition of which can be adjusted depending on environmental and process requirements in order to further optimize adhesion and passive protection and to remain permanently effective even at high temperatures.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-e6b3254b\"><h2 class=\"uagb-heading-text\">Applications<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">In the automotive industry, HX420LAD is primarily used where the highest strength requirements have to be combined with complex forming processes and long-term corrosion resistance. Highly stressed cross members and crash elements are made from this steel in order to maximize occupant safety in impact scenarios through high energy absorption and improved notch impact strength. Reinforcements in B- and A-pillars benefit from the narrow deep-drawing contour and high rigidity, which can be further optimized by thermal post-treatment in the paint oven. Chassis and chassis components gain in lightweight efficiency thanks to the optimized strength-to-weight ratio, which has a positive effect on driving dynamics and fuel consumption. Seat rails and floor beams, which are exposed to constant fatigue and corrosion loads, impress with their exceptional durability and consistent performance over the entire life cycle of the vehicle.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-6edb4fef\"><h2 class=\"uagb-heading-text\">Conclusion<\/h2><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The hot-dip galvanized steel HX420LAD (1.0935) in accordance with EN 10346 offers a pioneering material solution for modern vehicle concepts in which safety, lightweight construction and durability are required in equal measure. The microalloy with niobium, titanium and vanadium enables a minimum yield strength of around 420 N\/mm\u00b2 with good ductility, while the homogeneous zinc coating ensures reliable long-term protection against corrosion. The combination of high strength, excellent formability and flexible corrosion protection makes HX420LAD the first choice for safety-critical, weight-optimized and corrosion-stressed body and structural components in the automotive industry.<\/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-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=\"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=\"\" 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: 0.45 &#8211; 4.00 mm<br\/>Widths: up to 1,715 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: 0.45 &#8211; 4.00 mm<br\/>Widths: up to 850 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: 0.45 &#8211; 4.00 mm<br\/>Widths: up to 1,715 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\/2024\/02\/A7R1116-1890x1260.jpg\"\n                srcset=\"https:\/\/www.esb-group.com\/wp-content\/uploads\/2024\/02\/A7R1116-1890x1260.jpg 1x,\n                        https:\/\/www.esb-group.com\/wp-content\/uploads\/2024\/02\/A7R1116-1890x1260.jpg 2x\"\n                sizes=\"(max-width: 1024px) 100vw, 945px\"\n                width=\"945\" height=\"630\"\n                alt=\"Maik Gretz\"><\/div>\n        <div><h6>Ihr Ansprechpartner<\/h6>\n        <h4 class=\"single-contact-name\">Maik Gretz<\/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 0.105357 5.51957 0.292893 5.70711C0.48043 5.89464 0.734784 6 1 6H4C4.26522 6 4.51957 5.89464 4.70711 5.70711C4.89464 5.51957 5 5.26522 5 5V3H11V5C11 5.26522 11.1054 5.51957 11.2929 5.70711C11.4804 5.89464 11.7348 6 12 6H15C15.2652 6 15.5196 5.89464 15.7071 5.70711C15.8946 5.51957 16 5.26522 16 5V4C16 2.93913 15.5786 1.92172 14.8284 1.17157C14.0783 0.421427 13.0609 0 12 0Z\" fill=\"currentColor\"\/>\n<path d=\"M12.707 8.293C12.5195 8.10545 12.2652 8.00006 12 8H4C3.73481 8.00006 3.48049 8.10545 3.293 8.293L0.293 11.293C0.105451 11.4805 5.66374e-05 11.7348 0 12L0 14C0 14.5304 0.210714 15.0391 0.585786 15.4142C0.960859 15.7893 1.46957 16 2 16H14C14.5304 16 15.0391 15.7893 15.4142 15.4142C15.7893 15.0391 16 14.5304 16 14V12C15.9999 11.7348 15.8945 11.4805 15.707 11.293L12.707 8.293ZM8 14C7.60444 14 7.21776 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 130<\/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 8.85742 5.36548 7.32301L6.54948 6.37701C6.81449 6.16422 7.00172 5.86978 7.08203 5.53953C7.16233 5.20927 7.1312 4.86174 6.99348 4.55101L5.60048 1.41401C5.4525 1.08082 5.19103 0.810982 4.86267 0.65257C4.53431 0.494158 4.16037 0.45746 3.80748 0.549014L1.15548 1.23801C0.789606 1.33359 0.471491 1.56003 0.26139 1.87445C0.0512898 2.18886 -0.036205 2.56941 0.0154791 2.94401C0.506594 6.36123 2.09143 9.52741 4.53268 11.9685C6.97393 14.4095 10.1402 15.9942 13.5575 16.485C13.6277 16.4949 13.6985 16.5 13.7695 16.5C14.1109 16.4998 14.4426 16.3864 14.7128 16.1776C14.9829 15.9688 15.1762 15.6764 15.2625 15.346L15.9505 12.693C16.0434 12.3402 16.0074 11.9659 15.849 11.6372C15.6907 11.3086 15.4203 11.0472 15.0865 10.9Z\" fill=\"currentColor\"\/>\n<\/g>\n<defs>\n<clipPath id=\"clip0_131_960\">\n<rect width=\"16\" height=\"16\" fill=\"white\" transform=\"translate(0 0.5)\"\/>\n<\/clipPath>\n<\/defs>\n<\/svg>\n<\/span>+49 151\/12409451<\/p><p class=\"single-contact-email\"><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_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>Maik.Gretz@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. Available coatings HX420LAD DIN EN 10346 1.0935 +Z, +ZA, +ZF, +ZM, +AZ, +AS Quality Testing direction Yield strength Rp02(MPa) Tensil StrengthRm (MPa) ElongationA80 (in %) Q 420 &#8211; 520 470 &#8211; 590 \u2265 17 Mechanical Properties C % Si% Mn% P % S % Al% Nb% Ti% \u2264 0,12 \u2264 0,50 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3964,"parent":4315,"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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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