{"id":552,"date":"2026-02-17T14:11:29","date_gmt":"2026-02-17T13:11:29","guid":{"rendered":"https:\/\/relaunch.k-labor.wp4.visual4.com\/?page_id=552"},"modified":"2026-05-05T16:07:00","modified_gmt":"2026-05-05T14:07:00","slug":"material-testing-for-metals","status":"publish","type":"page","link":"https:\/\/dekra.k-labor.de\/en\/material-testing-for-metals\/","title":{"rendered":"Material testing for metals."},"content":{"rendered":"\n<p>Metallic materials are our specialty. They are subdivided according to their base metal and their intended use into ferrous materials, steels (unalloyed, low-alloyed, high-alloyed), cast iron and non-ferrous metals (NF metals). We examine and evaluate a wide variety of metallic materials in order to solve material science problems in the fields of development, quality assurance or damage assessment.<br>development, quality assurance or failure analysis.<\/p>\n\n\n\n<p>As a central and international DEKRA laboratory service provider, our experts offer an interdisciplinary range of tests covering all aspects of chemical safety and material quality. This includes environmental and hazardous substance analyses, pollutant and emission tests of consumer goods and technical products, tests of operating materials and components, material tests of plastics and metals, material tests, environmental simulation tests and damage analyses.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/02\/V2-Produktflyer_Metallographie_Labor_EN_interaktiv.pdf\">DEKRA product flyer metallography<\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Our services at a glance:<\/h3>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/dekra.k-labor.de\/en\/metallography\/\" data-type=\"page\" data-id=\"557\">Metallography<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/dekra.k-labor.de\/en\/oes-optical-emission-spectroscopy\/\" data-type=\"page\" data-id=\"564\">Optical emission spectroscopy (OES analysis)<\/a><\/li>\n\n\n\n<li>Structural examination in microsection<br>\u2013 heat treatment condition<br>\u2013 Grain size determination<br>\u2013 Determination of porosity according to VW 50093, VW 6093<br>\u2013 Primary silicon crystal evaluation<br>\u2013 Edge decarburization<\/li>\n\n\n\n<li>Weld seam examination in the cut<\/li>\n\n\n\n<li><a href=\"https:\/\/k-labor.de\/edx-analysis-with-sem\/\">EDX analysis with SEM examination<\/a><\/li>\n\n\n\n<li>SEM line scan and mapping<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/dekra.k-labor.de\/en\/hardness-testing-of-metals\/\" data-type=\"page\" data-id=\"561\">Hardness testing of metals<\/a><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Brinell hardness (HB) according to DIN EN ISO 6506<\/li>\n\n\n\n<li>Vickers hardness (HV) according to DIN EN ISO 6507<\/li>\n\n\n\n<li>Rockwell hardness (HRC) according to DIN EN ISO 6508<\/li>\n\n\n\n<li>Knoop hardness according to DIN EN ISO 4545-1<\/li>\n\n\n\n<li>Vickers microhardness (HV) based on DIN EN ISO 6507<\/li>\n\n\n\n<li>Case hardening depth (CHD) according to DIN 6773 and DN ISO 15787<\/li>\n\n\n\n<li>Nitriding hardness depth (NHT) according to DIN 6773 and DN ISO 15787<\/li>\n\n\n\n<li>Surface hardness depth (RHT) according to DIN 6773 and DN ISO 15787<\/li>\n\n\n\n<li>Hardness progression test according to DIN 6773 and DN ISO 15787<\/li>\n\n\n\n<li>Hardness test in a weld seam according to DIN EN ISO 9015<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>In what form must I send in my metal sample and how large must it be?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>For most metallographic investigations (microstructure, hardness profile, weld seam), we need a representative piece of the component. Sample pieces of approx. 20 \u00d7 20 \u00d7 10 mm are ideal; for damaged parts, please send in the original component as unchanged as possible \u2013 do not clean fracture surfaces either. <\/p>\n\n\n\n<p>For OES analyses, we need a flat, metallically bright surface of at least 10 \u00d7 10 mm. If in doubt, please contact us in advance and we will advise you on the optimal sample geometry.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>How long does a typical metal materials test take?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-2\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Standard orders such as microstructure investigation, hardness testing or OES spectral analysis are generally processed within 5 to 10 working days after sample receipt. <\/p>\n\n\n\n<p>Express processing (24\u201372 h) is possible by arrangement. Comprehensive test packages (e.g. damage analysis with SEM\/EDX) can take 2\u20134 weeks.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>Where do I send my samples and what do I need to enclose?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-3\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Please send your samples together with the completed sample accompanying form (available in the download area of our website) to: <\/p>\n\n\n\n<p>Dekra Automobil GmbH, Unidekstra\u00dfe 5, 75015 Bretten. <\/p>\n\n\n\n<p>On the accompanying form, please state the material designation, the desired scope of testing and a contact person \u2013 this considerably speeds up processing.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>Are the tests accredited in accordance with ISO\/IEC 17025?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-4\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Yes, the majority of our metal tests (hardness testing in accordance with DIN EN ISO 6506\/6507\/6508, metallography, OES analysis) are accredited by DAkkS in accordance with DIN EN ISO\/IEC 17025. <\/p>\n\n\n\n<p>Whether your specific test falls within the accredited scope is indicated in the quotation and the test report.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-5&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-5-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-5\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>May I use the test results for marketing and advertising purposes?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-5\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-5-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Our test reports may only be passed on or published in full and unchanged. Excerpts or marketing statements (&#8220;DEKRA-tested&#8221;) require our written approval, but are generally possible. <\/p>\n\n\n\n<p>The DAkkS logo itself may not be used, whereas a reference to the accredited test including the standard and report number is customary and permissible. <\/p>\n\n\n\n<p>We also offer to introduce DEKRA seals for certain product groups, which assess different quality criteria at cyclical test intervals.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-6&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-6-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-6\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\"><strong>Can you also detect material mix-ups or material counterfeiting?<\/strong><\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-6\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-6-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p>Yes, material allocation can be clearly clarified through the combination of OES spectral analysis, EDX in the SEM and microstructure imaging. This is frequently used in incoming goods inspections, complaint cases or where supplier fraud is suspected.<\/p>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Metallic materials are our specialty. They are subdivided according to their base metal and their intended use into ferrous materials, steels (unalloyed, low-alloyed, high-alloyed), cast iron and non-ferrous metals (NF metals). We examine and evaluate a wide variety of metallic materials in order to solve material science problems in the fields of development, quality assurance [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":900,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-552","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Material testing for metals. - k-labor<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dekra.k-labor.de\/materialpruefung-metall\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Material testing for metals. - k-labor\" \/>\n<meta property=\"og:description\" content=\"Metallic materials are our specialty. They are subdivided according to their base metal and their intended use into ferrous materials, steels (unalloyed, low-alloyed, high-alloyed), cast iron and non-ferrous metals (NF metals). We examine and evaluate a wide variety of metallic materials in order to solve material science problems in the fields of development, quality assurance [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dekra.k-labor.de\/materialpruefung-metall\/\" \/>\n<meta property=\"og:site_name\" content=\"k-labor\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-05T14:07:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dekra.k-labor.de\/wp-content\/uploads\/2026\/03\/Labor_138.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1067\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/\",\"url\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/\",\"name\":\"Material testing for metals. - k-labor\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/dekra.k-labor.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Labor_138.jpeg\",\"datePublished\":\"2026-02-17T13:11:29+00:00\",\"dateModified\":\"2026-05-05T14:07:00+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/#primaryimage\",\"url\":\"https:\\\/\\\/dekra.k-labor.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Labor_138.jpeg\",\"contentUrl\":\"https:\\\/\\\/dekra.k-labor.de\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/Labor_138.jpeg\",\"width\":1920,\"height\":1067},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/materialpruefung-metall\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Start\",\"item\":\"https:\\\/\\\/dekra.k-labor.de\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Material testing for metals.\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/#website\",\"url\":\"https:\\\/\\\/dekra.k-labor.de\\\/\",\"name\":\"k-labor\",\"description\":\"Accredited testing laboratory for materials testing &amp; failure analysis\",\"publisher\":{\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/dekra.k-labor.de\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/#organization\",\"name\":\"k-labor\",\"url\":\"https:\\\/\\\/dekra.k-labor.de\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/dekra.k-labor.de\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/dekra-logo.svg\",\"contentUrl\":\"https:\\\/\\\/dekra.k-labor.de\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/dekra-logo.svg\",\"caption\":\"k-labor\"},\"image\":{\"@id\":\"https:\\\/\\\/dekra.k-labor.de\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Material testing for metals. - k-labor","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/dekra.k-labor.de\/materialpruefung-metall\/","og_locale":"en_US","og_type":"article","og_title":"Material testing for metals. - k-labor","og_description":"Metallic materials are our specialty. They are subdivided according to their base metal and their intended use into ferrous materials, steels (unalloyed, low-alloyed, high-alloyed), cast iron and non-ferrous metals (NF metals). 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