{"id":8283,"date":"2024-09-27T13:37:42","date_gmt":"2024-09-27T05:37:42","guid":{"rendered":"https:\/\/am-material.com\/?p=8283"},"modified":"2024-09-27T13:37:44","modified_gmt":"2024-09-27T05:37:44","slug":"overview-of-2507-duplex-stainless-steel","status":"publish","type":"post","link":"https:\/\/am-material.com\/fr\/news\/overview-of-2507-duplex-stainless-steel\/","title":{"rendered":"Aper\u00e7u de l'acier inoxydable Duplex 2507"},"content":{"rendered":"

l'acier inoxydable duplex 2507 peut \u00eatre travaill\u00e9 \u00e0 chaud entre 1875\u00b0F et 2250\u00b0F (environ 1024\u00b0C \u00e0 1232\u00b0C).<\/p>\n\n\n\n

Apr\u00e8s travail \u00e0 chaud<\/strong>le recuit en solution doit \u00eatre effectu\u00e9 \u00e0 1925\u00b0F (environ 1052\u00b0C) suivi d'un refroidissement rapide \u00e0 l'air ou \u00e0 l'eau.<\/p>\n\n\n\n

Transformation \u00e0 froid de l'acier inoxydable duplex 2507<\/strong> peut \u00eatre r\u00e9alis\u00e9 \u00e0 l'aide des m\u00e9thodes de formage les plus courantes pour la plupart des aciers inoxydables. En raison de la limite d'\u00e9lasticit\u00e9 plus \u00e9lev\u00e9e de l'alliage et de sa ductilit\u00e9 plus faible que celle des aciers aust\u00e9nitiques, des forces de formage plus \u00e9lev\u00e9es et des rayons de courbure plus importants peuvent \u00eatre n\u00e9cessaires pour le formage \u00e0 froid.<\/p>\n\n\n\n

Les proc\u00e9d\u00e9s tels que l'emboutissage et le formage par \u00e9tirage sont plus difficiles \u00e0 r\u00e9aliser sur le 2507 que sur les aciers inoxydables aust\u00e9nitiques. Lorsqu'une d\u00e9formation \u00e0 froid de plus de 10 % est n\u00e9cessaire, il est recommand\u00e9 de proc\u00e9der \u00e0 un recuit de mise en solution et \u00e0 une trempe.<\/p>\n\n\n\n

Traitement thermique<\/strong><\/p>\n\n\n\n

Apr\u00e8s avoir \u00e9t\u00e9 chauds et c<\/a>l'ancien formage, 2507 devrait \u00eatre recuit en solution et tremp\u00e9<\/strong>. Le recuit de mise en solution doit \u00eatre effectu\u00e9 \u00e0 une temp\u00e9rature minimale de 1925\u00b0F (environ 1052\u00b0C).<\/p>\n\n\n\n

Refroidissement rapide par air ou par eau trempe<\/strong> doit \u00eatre effectu\u00e9e imm\u00e9diatement apr\u00e8s le recuit. Pour une r\u00e9sistance maximale \u00e0 la corrosion, les produits trait\u00e9s thermiquement doivent \u00eatre d\u00e9cap\u00e9s et rinc\u00e9s.<\/p>\n\n\n\n

Soudabilit\u00e9<\/strong><\/p>\n\n\n\n

2507 a une bonne soudabilit\u00e9<\/strong> et peut \u00eatre reli\u00e9 \u00e0 lui-m\u00eame ou \u00e0 d'autres mat\u00e9riaux par soudage \u00e0 l'arc sous protection m\u00e9tallique (SMAW), soudage \u00e0 l'arc sous argon tungst\u00e8ne (GTAW), soudage \u00e0 l'arc plasma (PAW), fil fourr\u00e9 (FCW) ou soudage \u00e0 l'arc submerg\u00e9 (SAW).<\/p>\n\n\n\n

Il est recommand\u00e9 d'utiliser le m\u00e9tal d'apport 2507\/P100 pour le soudage, car il produira une structure de soudure duplex appropri\u00e9e.<\/p>\n\n\n\n

Lors du soudage, il n'est pas n\u00e9cessaire de pr\u00e9chauffer le 2507, sauf pour \u00e9viter la condensation sur le m\u00e9tal froid. La temp\u00e9rature du cordon de soudure ne doit pas d\u00e9passer 300\u00b0F (environ 149\u00b0C), car cela peut nuire \u00e0 l'int\u00e9grit\u00e9 de la soudure.<\/p>\n\n\n\n

Lors du soudage, il doit \u00eatre prot\u00e9g\u00e9 par de l'argon ou un gaz de purge \u00e0 90 % N2\/10 % H2 pour une r\u00e9sistance maximale \u00e0 la corrosion.<\/p>\n\n\n\n

Domaines d'application<\/strong><\/p>\n\n\n\n

l'acier inoxydable duplex 2507 est largement utilis\u00e9 dans les industries telles que la chimie, la marine, le papier, l'\u00e9nergie et la construction en raison de son excellente r\u00e9sistance \u00e0 la corrosion et de sa grande solidit\u00e9.<\/p>\n\n\n\n

composition chimique<\/strong><\/p>\n\n\n\n

La composition chimique de l'acier inoxydable duplex 2507 se caract\u00e9rise par une forte proportion de chrome, de nickel, de molybd\u00e8ne et d'azote qui, ensemble, offrent une excellente r\u00e9sistance \u00e0 la corrosion et une grande solidit\u00e9.<\/p>\n\n\n\n

Propri\u00e9t\u00e9s physiques<\/strong><\/p>\n\n\n\n

Ce mat\u00e9riau pr\u00e9sente une limite d'\u00e9lasticit\u00e9 et une r\u00e9sistance \u00e0 la traction sup\u00e9rieures \u00e0 celles des aciers inoxydables aust\u00e9nitiques traditionnels, tout en conservant une bonne ductilit\u00e9 et une bonne t\u00e9nacit\u00e9.<\/p>\n\n\n\n

R\u00e9sistance \u00e0 la corrosion<\/strong><\/p>\n\n\n\n

Gr\u00e2ce \u00e0 sa microstructure duplex, l'acier inoxydable duplex 2507 peut \u00eatre utilis\u00e9 dans une vari\u00e9t\u00e9 d'environnements corrosifs, y compris les environnements acides, alcalins et chlor\u00e9s neutres.<\/p>","protected":false},"excerpt":{"rendered":"

2507 duplex stainless steel can be hot-worked between 1875\u00b0F and 2250\u00b0F (approximately 1024\u00b0C to 1232\u00b0C). After hot working, solution annealing should be performed at 1925\u00b0F (about 1052\u00b0C) followed by rapid air or water cooling. Cold working of 2507 duplex stainless steel can be done using most common forming methods for most of stainless steel. Due […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"post_folder":[],"class_list":["post-8283","post","type-post","status-publish","format-standard","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts\/8283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/comments?post=8283"}],"version-history":[{"count":1,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts\/8283\/revisions"}],"predecessor-version":[{"id":8284,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/posts\/8283\/revisions\/8284"}],"wp:attachment":[{"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/media?parent=8283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/categories?post=8283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/tags?post=8283"},{"taxonomy":"post_folder","embeddable":true,"href":"https:\/\/am-material.com\/fr\/wp-json\/wp\/v2\/post_folder?post=8283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}