{"id":6796,"date":"2026-11-02T05:10:20","date_gmt":"2026-11-02T05:10:20","guid":{"rendered":"https:\/\/www.ggsteelstruct.com\/?p=6796"},"modified":"2026-11-04T06:26:06","modified_gmt":"2026-11-04T06:26:06","slug":"en-1090","status":"publish","type":"post","link":"https:\/\/www.ggsteelstruct.com\/ar\/resources\/en-1090\/","title":{"rendered":"EN 1090 explained: execution classes, CE marking and what buyers should ask"},"content":{"rendered":"
\"\"<\/figure>\n\n\n\n

EN 1090 is the European standard for executing steel and aluminium structures. Part 1 covers conformity and CE marking of components; Part 2 sets technical requirements for steel.<\/p>\n\n\n\n

Execution classes<\/h2>\n\n\n\n
Class<\/th>\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>Requirements<\/th><\/tr><\/thead>
EXC1<\/th>Agricultural buildings, simple structures<\/td>Basic<\/td><\/tr>
EXC2<\/th>Most buildings<\/td>Standard; most specifications<\/td><\/tr>
EXC3<\/th>Stadiums, bridges, high-rise<\/td>Stricter welding, NDT, traceability<\/td><\/tr>
EXC4<\/th>Critical structures<\/td>Highest<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

What changes with the class<\/h2>\n\n\n\n
    \n
  • Welding quality level (ISO 5817 C or B)<\/li>\n\n\n
  • NDT extent<\/li>\n\n\n
  • Traceability of materials<\/li>\n\n\n
  • Welding coordinator qualification (ISO 14731)<\/li>\n<\/ul>\n\n\n\n

    What buyers should ask<\/h2>\n\n\n\n
      \n
    • Is the factory certified to EN 1090-1, and to which EXC?<\/li>\n\n\n
    • Is the certificate from a notified body?<\/li>\n\n\n
    • Can they show a sample declaration of performance?<\/li>\n<\/ul>\n\n\n\n

      Note on GGSteel status:<\/strong> GGSteel certification status for this standard to be confirmed. We fabricate to its requirements when your specification calls for it.<\/p>","protected":false},"excerpt":{"rendered":"

      EN 1090-1 and EN 1090-2 for steel structures: execution classes EXC1\u2013EXC4, factory production control, CE marking and supplier checks.<\/p>","protected":false},"author":1,"featured_media":6479,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_aseo_title":"EN 1090 Execution Classes & CE Marking for Steel | GG Steel","_aseo_desc":"EN 1090-1 and EN 1090-2 for steel structures: execution classes EXC1 to EXC4, factory production control, CE marking and what to check in a supplier. Read the guide.","_aseo_noindex":false,"_aseo_og_image":0,"_aseo_schema_type":""},"categories":[31],"tags":[],"class_list":["post-6796","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\/6796","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=6796"}],"version-history":[{"count":4,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6796\/revisions"}],"predecessor-version":[{"id":7122,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/posts\/6796\/revisions\/7122"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media\/6479"}],"wp:attachment":[{"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/media?parent=6796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/categories?post=6796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ggsteelstruct.com\/ar\/wp-json\/wp\/v2\/tags?post=6796"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}