{"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\/ar\/b31-3-pwht-table-2\/","title":{"rendered":"\u062c\u062f\u0648\u0644 B31 3 B31 3 PWHT"},"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>\u062a\u062e\u062a\u0644\u0641 \u0645\u062a\u0637\u0644\u0628\u0627\u062a PWHT \u0641\u064a \u0627\u0644\u0623\u0642\u0633\u0627\u0645 \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629 \u0645\u0646 \u0627\u0644\u0645\u062f\u0648\u0646\u0629 \u0627\u062e\u062a\u0644\u0627\u0641\u064b\u0627 \u0643\u0628\u064a\u0631\u064b\u0627\u060c \u0645\u0645\u0627 \u064a\u0632\u064a\u062f \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639\u0627\u062a \u0627\u0644\u0645\u0643\u0644\u0641\u0629 \u0628\u0633\u0628\u0628 \u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u064a\u0632\u064a\u062f \u0645\u0646 \u0646\u0641\u0642\u0627\u062a \u0627\u0644\u0627\u0646\u0642\u0637\u0627\u0639 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629. \u0648\u0642\u062f \u0623\u0648\u0635\u0649 \u062a\u0642\u0631\u064a\u0631\u0627 \u0645\u0639\u0647\u062f \u0628\u062d\u0648\u062b \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0627\u0644\u0628\u064a\u0626\u0629 (\u0627\u0644\u0645\u0631\u062c\u0639 1) \u0648\u0644\u0648\u0646\u062f\u064a\u0646-\u062e\u0627\u0646 (\u0627\u0644\u0645\u0631\u062c\u0639 5) \u0628\u0623\u0646 \u062a\u062e\u0641\u0636 B31.1 \u0648B31.3 \u0646\u0637\u0627\u0642 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 PWHT \u0644\u0644\u0645\u0648\u0627\u062f P \u0631\u0642\u0645 4 \u0644\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0647\u0627\u0645\u0634 \u0636\u062f \u0627\u0644\u062a\u0634\u0642\u0642 \u0627\u0644\u0646\u0627\u062a\u062c \u0639\u0646 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u0633\u062e\u064a\u0646.<\/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\/ar\/wp-json\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/comments?post=258"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":259,"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/posts\/258\/revisions\/259"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/ar\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}