{"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\/it\/b31-3-pwht-table-2\/","title":{"rendered":"B31 3 PWHT Table"},"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>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. 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},"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\/it\/wp-json\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/comments?post=258"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":259,"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/posts\/258\/revisions\/259"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/it\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}