{"id":3209,"date":"2026-06-24T16:13:03","date_gmt":"2026-06-24T14:13:03","guid":{"rendered":"https:\/\/www.technical-center.de\/wiki\/en-iso-15614-welding-procedure-test\/"},"modified":"2026-06-24T16:13:03","modified_gmt":"2026-06-24T14:13:03","slug":"en-iso-15614-welding-procedure-test","status":"publish","type":"encyclopedia","link":"https:\/\/www.technical-center.de\/en\/glossary\/en-iso-15614-welding-procedure-test\/","title":{"rendered":"EN ISO 15614 &#8211; Welding Procedure Test"},"content":{"rendered":"<div class=\"glossar-eintrag\">\n<p><strong>Definition:<\/strong> EN ISO 15614 is an international standard for the qualification of <a class=\"tc-inlink\" href=\"\/en\/home\/welding-brazing-soldering\/\">welding<\/a> procedures by means of a procedure test (WPQR). It specifies the test conditions, specimen requirements and assessment criteria. The aim is to ensure reproducible welding quality.<\/p>\n<p><strong>Practical relevance:<\/strong> The tests comprise tensile, bend, notched-bar impact and hardness testing as well as macroscopic examinations. The qualified parameter range defines the scope of validity of the WPS. The standard is central to <a class=\"tc-inlink\" href=\"\/en\/materials-engineering\/materials-for-pressure-equipment\/\">pressure equipment<\/a> construction and steel construction.<\/p>\n<p><strong>Decision-making perspectives:<\/strong><\/p>\n<ul>\n<li><strong>Technical decision-makers:<\/strong> Safeguarding the mechanical characteristic values of the weld seam.<\/li>\n<li><strong>Purchasing\/project management:<\/strong> Binding proof of qualification prior to series production.<\/li>\n<li><strong>Science:<\/strong> Investigation of heat-affected zones.<\/li>\n<li><strong>Insurance\/law:<\/strong> Standard-compliant process verification.<\/li>\n<\/ul>\n<p><strong>Typical testing or verification methods:<\/strong> Tensile test, notched-bar impact bending test, micrograph examination.<\/p>\n<\/div>\n","protected":false},"author":0,"featured_media":0,"template":"","encyclopedia-tag":[],"class_list":["post-3209","encyclopedia","type-encyclopedia","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/encyclopedia\/3209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/encyclopedia"}],"about":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/types\/encyclopedia"}],"wp:attachment":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/media?parent=3209"}],"wp:term":[{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=3209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}