{"id":258,"date":"2025-08-19T15:40:50","date_gmt":"2025-08-19T15:40:50","guid":{"rendered":"https:\/\/pwhtsolutions.net\/?p=258"},"modified":"2025-08-19T15:40:51","modified_gmt":"2025-08-19T15:40:51","slug":"b31-3-pwht-table-2","status":"publish","type":"post","link":"https:\/\/pwhtsolutions.net\/de\/b31-3-pwht-table-2\/","title":{"rendered":"B31 3 PWHT-Tabelle"},"content":{"rendered":"<p>PWHT requirements in different sections of the Code vary significantly, increasing the risk of costly outages due to weld failures and raising potential outage expenses.<\/p>\n<p>EPRI (Ref 1) and Lundin-Khan (Ref 5) reports have recommended that B31.1 and B31.3 lower their PWHT temperature range for P No 4 materials to increase margin against reheat cracking.<\/p>","protected":false},"excerpt":{"rendered":"<p>Die PWHT-Anforderungen in den verschiedenen Abschnitten des Codes variieren erheblich, was das Risiko kostspieliger Ausf\u00e4lle aufgrund von Schwei\u00dfnahtfehlern erh\u00f6ht und die potenziellen Ausfallkosten in die H\u00f6he treibt. In den Berichten von EPRI (Ref. 1) und Lundin-Khan (Ref. 5) wird empfohlen, dass B31.1 und B31.3 ihren PWHT-Temperaturbereich f\u00fcr P Nr. 4-Materialien herabsetzen, um den Spielraum gegen Wiedererw\u00e4rmungsrissbildung zu erh\u00f6hen.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-258","post","type-post","status-publish","format-standard","hentry","category-pwht-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/comments?post=258"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":259,"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/posts\/258\/revisions\/259"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/de\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}