{"id":6795,"date":"2026-11-02T05:10:19","date_gmt":"2026-11-02T05:10:19","guid":{"rendered":"https:\/\/www.ggsteelstruct.com\/?p=6795"},"modified":"2026-11-04T06:51:20","modified_gmt":"2026-11-04T06:51:20","slug":"en-10204","status":"publish","type":"post","link":"https:\/\/www.ggsteelstruct.com\/ar\/resources\/en-10204\/","title":{"rendered":"EN 10204 mill certificates: 2.1, 2.2, 3.1 and 3.2 explained"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1965\" height=\"1309\" src=\"https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior.webp\" alt=\"Interior of a steel fabrication workshop\" class=\"wp-image-7260\" srcset=\"https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior.webp 1965w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior-300x200.webp 300w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior-1024x682.webp 1024w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior-768x512.webp 768w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior-1536x1023.webp 1536w, https:\/\/www.ggsteelstruct.com\/wp-content\/uploads\/2026\/11\/steel-fabrication-workshop-interior-18x12.webp 18w\" sizes=\"(max-width: 1965px) 100vw, 1965px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">EN 10204 defines the types of inspection document that come with metallic products. For structural steel, 3.1 is the usual requirement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"types\">Document types<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u0627\u0644\u0646\u0648\u0639<\/th><th>Content<\/th><th>Validated by<\/th><\/tr><\/thead><tbody><tr><th>2.1<\/th><td>Declaration of compliance, no test results<\/td><td>Manufacturer<\/td><\/tr><tr><th>2.2<\/th><td>Non-specific test results<\/td><td>Manufacturer<\/td><\/tr><tr><th>3.1<\/th><td>Specific test results for the delivered batch<\/td><td>Manufacturer&#8217;s independent inspector<\/td><\/tr><tr><th>3.2<\/th><td>3.1 plus purchaser&#8217;s or third-party inspector<\/td><td>Both parties<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"trace\">Traceability<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The heat number on the certificate should be transferred to each cut piece and recorded against member marks, so any member can be traced back to its certificate.<\/p>\n\n\n\n<p class=\"is-note wp-block-paragraph\"><strong>Ask for the trace log,<\/strong> not just the certificates. Certificates without a link to members prove little.<\/p>","protected":false},"excerpt":{"rendered":"<p>The difference between EN 10204 inspection document types 2.1, 2.2, 3.1 and 3.2, which one structural steel needs, and how to trace it to members.<\/p>","protected":false},"author":1,"featured_media":7260,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_aseo_title":"EN 10204 Mill Certificates: 3.1 vs 3.2 Explained | GG Steel","_aseo_desc":"EN 10204 inspection document types 2.1, 2.2, 3.1 and 3.2 explained: which one structural steel needs and how to trace a certificate to each member. Read the guide.","_aseo_noindex":false,"_aseo_og_image":0,"_aseo_schema_type":""},"categories":[31],"tags":[],"class_list":["post-6795","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standards"],"_links":{"self":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/comments?post=6795"}],"version-history":[{"count":5,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6795\/revisions"}],"predecessor-version":[{"id":7278,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6795\/revisions\/7278"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media\/7260"}],"wp:attachment":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media?parent=6795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/categories?post=6795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/tags?post=6795"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}