{"id":2789,"date":"2025-11-18T15:08:46","date_gmt":"2025-11-18T15:08:46","guid":{"rendered":"https:\/\/leffer.de\/qualitat-sicherheit\/zertifikate\/en-iso-3834-2\/"},"modified":"2026-08-07T08:54:18","modified_gmt":"2026-08-07T08:54:18","slug":"en-iso-3834-2","status":"publish","type":"page","link":"https:\/\/leffer.de\/en\/our-competencies\/en-iso-3834-2\/","title":{"rendered":"EN ISO 3834-2\u00a0"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Certification according to <strong>EN ISO 3834-2<\/strong> is the international benchmark for the highest quality requirements in the welding of metallic materials. It confirms that our welding processes, our skilled workers, and our quality assurance comply with the most stringent standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-2c90304e wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\"><strong>Scope of application:<\/strong> Steel construction, gas tanks, mechanical engineering, bridge construction, and hydraulic engineering<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Welding processes:<\/strong> 111, 114, 121, 122, 125, 135, 136, 138, 141, 142, 783 according to DIN EN ISO 4063<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Base materials:<\/strong> 1.1, 1.2, 1.3, 2.1, 2.2, 3.1, 3.2, 5, 8.1, 8.2, 10.1, 43, 51 according to CEN ISO\/TR 15608<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Validity:<\/strong> July 10, 2026 to May 27, 2027<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certificate No.:<\/strong> D-ZE-16083-01-00-ISO3834-2014.0243.008<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certifying body:<\/strong> DVS ZERT<\/p>\n<\/div>\n\n\n\n    <div page class=\"singlepost wp-block-fbo-singlepost\" id=\"6a8cab98200bf\">\n\n        \n<a href=\"https:\/\/leffer.de\/wp-content\/uploads\/2025\/10\/DIN-EN-ISO-3834-2_2021-Schweissen-Stahlbau_dt-2.pdf\" target=\"_blank\"  class=\"postarchive__download icon icon-download\">\n   <p class=\"download__title\">DIN EN ISO 3834-2<\/p>\n   <div class=\"download__data\">\n        <span class=\"download__size\">563.24 KB<\/span>\n        <span class=\"download__type\">(pdf)<\/span>\n    <\/div>\n\n<\/a>\n    <\/div>\n\n<\/div>\n\n\n\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-2c90304e wp-block-group-is-layout-flex\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\"><strong>Scope of application:<\/strong> Fusion welding of metallic materials<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Validity:<\/strong> July 4, 2024 to May 28, 2027<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certificate No.:<\/strong> 71 201 24 QS 00445<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certifying body:<\/strong> SGS &#8211; T\u00dcV SAAR<\/p>\n<\/div>\n\n\n\n    <div page class=\"singlepost wp-block-fbo-singlepost\" id=\"6a8cab98200bf\">\n\n        \n<a href=\"https:\/\/leffer.de\/wp-content\/uploads\/2026\/08\/DIN-EN-ISO-3834-2_Schweissen_engl.pdf\" target=\"_blank\"  class=\"postarchive__download icon icon-download\">\n   <p class=\"download__title\">DIN EN ISO 3834-2 (T\u00dcV)<\/p>\n   <div class=\"download__data\">\n        <span class=\"download__size\">477.73 KB<\/span>\n        <span class=\"download__type\">(pdf)<\/span>\n    <\/div>\n\n<\/a>\n    <\/div>\n\n<\/div>\n<\/div>\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:\/\/leffer.de\/en\/quality-certifications\/\"><span class=\"button-text icon icon-arrow-stroke\">Back to Quality &amp; Certifications<\/span><\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Certification according to EN ISO 3834-2 is the international benchmark for the highest quality requirements in the welding of metallic materials. It confirms that our welding processes, our skilled workers, and our quality assurance comply with the most stringent standards. Scope of application: Steel construction, gas tanks, mechanical engineering, bridge construction, and hydraulic engineering Welding [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":2683,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"featuredimage_focalpoint":[],"footnotes":""},"categories":[],"tags":[],"class_list":["post-2789","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EN ISO 3834-2\u00a0 - Leffer - Stahl- und Apparatebau<\/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:\/\/leffer.de\/en\/our-competencies\/en-iso-3834-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"EN ISO 3834-2\u00a0 - Leffer - Stahl- und Apparatebau\" \/>\n<meta property=\"og:description\" content=\"Certification according to EN ISO 3834-2 is the international benchmark for the highest quality requirements in the welding of metallic materials. 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