{"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\/cs\/b31-3-pwht-table-2\/","title":{"rendered":"B31 3 Tabulka 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>Po\u017eadavky na PWHT se v r\u016fzn\u00fdch \u010d\u00e1stech p\u0159edpisu zna\u010dn\u011b li\u0161\u00ed, co\u017e zvy\u0161uje riziko n\u00e1kladn\u00fdch odst\u00e1vek v d\u016fsledku poruch svar\u016f a zvy\u0161uje potenci\u00e1ln\u00ed n\u00e1klady na odst\u00e1vku. Zpr\u00e1vy EPRI (Ref 1) a Lundin-Khan (Ref 5) doporu\u010duj\u00ed, aby normy B31.1 a B31.3 sn\u00ed\u017eily teplotn\u00ed rozsah PWHT pro materi\u00e1ly P \u010d. 4, aby se zv\u00fd\u0161ila rezerva proti vzniku trhlin p\u0159i op\u011btovn\u00e9m oh\u0159evu.<\/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\/cs\/wp-json\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/comments?post=258"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":259,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/posts\/258\/revisions\/259"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/cs\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}