{"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-tableau-2","status":"publish","type":"post","link":"https:\/\/pwhtsolutions.net\/fr_be\/b31-3-pwht-table-2\/","title":{"rendered":"B31 3 Tableau PWHT"},"content":{"rendered":"<p>Les exigences en mati\u00e8re de traitement thermique post-soudage (PWHT) varient consid\u00e9rablement d'une section \u00e0 l'autre du Code, ce qui accro\u00eet le risque d'arr\u00eats co\u00fbteux dus \u00e0 des d\u00e9faillances de soudures et augmente les co\u00fbts potentiels li\u00e9s \u00e0 ces arr\u00eats.<\/p>\n<p>Les rapports de l'EPRI (r\u00e9f. 1) et de Lundin-Khan (r\u00e9f. 5) ont recommand\u00e9 que les normes B31.1 et B31.3 abaissent la plage de temp\u00e9ratures de traitement thermique post-soudage (PWHT) pour les mat\u00e9riaux de cat\u00e9gorie P n\u00b0 4 afin d'augmenter la marge de s\u00e9curit\u00e9 contre la fissuration due au r\u00e9chauffage.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les exigences de PWHT dans les diff\u00e9rentes sections du Code varient de mani\u00e8re significative, ce qui augmente le risque d'arr\u00eats co\u00fbteux dus \u00e0 des ruptures de soudure et augmente les d\u00e9penses potentielles d'arr\u00eat. Les rapports de l'EPRI (Ref 1) et de Lundin-Khan (Ref 5) ont recommand\u00e9 que les normes B31.1 et B31.3 abaissent leur plage de temp\u00e9rature de PWHT pour les mat\u00e9riaux P No 4 afin d'augmenter la marge contre la fissuration par r\u00e9chauffage.<\/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\/fr_be\/wp-json\/wp\/v2\/posts\/258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/comments?post=258"}],"version-history":[{"count":1,"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/posts\/258\/revisions"}],"predecessor-version":[{"id":259,"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/posts\/258\/revisions\/259"}],"wp:attachment":[{"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/media?parent=258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/categories?post=258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pwhtsolutions.net\/fr_be\/wp-json\/wp\/v2\/tags?post=258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}