{"id":4552,"date":"2024-05-21T15:30:22","date_gmt":"2024-05-21T13:30:22","guid":{"rendered":"https:\/\/mf.alexcappello.eu\/materiaux\/acier-inoxydable-aisi-904l-uns-n08904-w-1-4539\/"},"modified":"2024-05-21T15:30:22","modified_gmt":"2024-05-21T15:30:22","slug":"acier-inoxydable-aisi-904l-uns-n08904-w-1-4539","status":"publish","type":"page","link":"https:\/\/mfinox.com\/fr\/materiaux\/acier-inoxydable-aisi-904l-uns-n08904-w-1-4539\/","title":{"rendered":"Acier inoxydable AISI 904L UNS N08904 W 1.4539"},"content":{"rendered":"<p>L&rsquo;acier inoxydable AISI 904L UNS N08904 W 1.4539 est similaire au 316L, mais avec l&rsquo;ajout de molybd\u00e8ne, qui offre une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion localis\u00e9e (corrosion par piq\u00fbres et par crevasses). Avec une valeur PREN de 35, c&rsquo;est une solution appropri\u00e9e pour les applications en eau de mer chaude et autres environnements \u00e0 forte teneur en chlorure. La teneur \u00e9lev\u00e9e en nickel se traduit par une meilleure r\u00e9sistance \u00e0 la corrosion sous contrainte que les nuances aust\u00e9nitiques standard. Le cuivre contenu dans l&rsquo;alliage renforce la r\u00e9sistance aux acides sulfuriques et aux autres acides r\u00e9ducteurs, en particulier dans la gamme tr\u00e8s agressive des \u00ab\u00a0concentrations moyennes\u00a0\u00bb. Dans la plupart des environnements, l&rsquo;acier AISI 904L UNS N08904 W 1.4539 pr\u00e9sente une performance de corrosion interm\u00e9diaire entre la nuance aust\u00e9nitique standard 316L et les nuances riches en molybd\u00e8ne (environ 6 %) ou super aust\u00e9nitiques.<\/p>\n<p>L&rsquo;acier AISI 904L UNS N08904 W 1.4539 ne doit pas \u00eatre utilis\u00e9 \u00e0 des temp\u00e9ratures sup\u00e9rieures \u00e0 environ 550\u00b0C. Il trouve des applications dans les syst\u00e8mes de tuyauterie, les \u00e9quipements de contr\u00f4le de la pollution, les \u00e9changeurs de chaleur et les syst\u00e8mes de blanchiment.<\/p>\n<h2><b>COMPOSITION CHIMIQUE AISI 904L UNS N08904 W 1.4539<\/b><\/h2>\n<table class=\"responsive-table\">\n<thead>\n<tr>\n<th>\u00c9l\u00e9ment<\/th>\n<th>Min<\/th>\n<th>Max<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Elemento\">C<\/td>\n<td data-label=\"Min\"><\/td>\n<td data-label=\"Max\">0.02<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">S<\/td>\n<td data-label=\"Min\"><\/td>\n<td data-label=\"Max\">0.035<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">P<\/td>\n<td data-label=\"Min\"><\/td>\n<td data-label=\"Max\">0.045<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">Oui<\/td>\n<td data-label=\"Min\"><\/td>\n<td data-label=\"Max\">1.00<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">Mn<\/td>\n<td data-label=\"Min\"><\/td>\n<td data-label=\"Max\">2.00<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">Cr<\/td>\n<td data-label=\"Min\">19.00<\/td>\n<td data-label=\"Max\">23.00<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">Ni<\/td>\n<td data-label=\"Min\">23.00<\/td>\n<td data-label=\"Max\">28.00<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">Mo<\/td>\n<td data-label=\"Min\">4.00<\/td>\n<td data-label=\"Max\">5.00<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Elemento\">Cu<\/td>\n<td data-label=\"Min\">1.00<\/td>\n<td data-label=\"Max\">2.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>PROPRI\u00c9T\u00c9S M\u00c9CANIQUES AISI 904L UNS N08904 W 1.4539<\/b><\/h2>\n<table class=\"responsive-table\">\n<thead>\n<tr>\n<th>Mat\u00e9riau<\/th>\n<th>Ligue<\/th>\n<th>Rm min (MPa)<\/th>\n<th>Rp 0,2 min (MPa)<\/th>\n<th>A% min<\/th>\n<th>Duret\u00e9 min<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Materiale\">AISI 904L UNS N08904<\/td>\n<td data-label=\"Lega\">1.4539<\/td>\n<td data-label=\"Rm min (MPa)\">530<\/td>\n<td data-label=\"Rp 0.2 min (MPa)\">230<\/td>\n<td data-label=\"A% min\">35<\/td>\n<td data-label=\"Durezza min\">230<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>PROPRI\u00c9T\u00c9S PHYSIQUES AISI 904L UNS N08904 W 1.4539<\/b><\/h2>\n<ul>\n<li><strong>Poids sp\u00e9cifique<\/strong>: 8,0 Kg\/dm\u00b3 \u00e0 20\u00b0C<\/li>\n<li><strong>Module d&rsquo;\u00e9lasticit\u00e9<\/strong>: 195 000 N\/mm\u00b2 \u00e0 20\u00b0C<\/li>\n<li><strong>Conductivit\u00e9 thermique<\/strong>: 12 W\/m.K \u00e0 20\u00b0C<\/li>\n<li><strong>Chaleur sp\u00e9cifique<\/strong>: 450 J\/g.K \u00e0 20\u00b0C<\/li>\n<li><strong>Coefficients de dilatation lin\u00e9aire<\/strong>: 16,1 (20\u00b0 &#8211; 200\u00b0C), 16,9 (20\u00b0 &#8211; 400\u00b0C), 17,5 (20\u00b0 &#8211; 600\u00b0C)<\/li>\n<li><strong>R\u00e9sistivit\u00e9 \u00e9lectrique<\/strong>: 1,00 \u03a9 mm\u00b2\/m \u00e0 20\u00b0C<\/li>\n<li><strong>Il n&rsquo;est pas magn\u00e9tique.<\/strong><\/li>\n<\/ul>\n<p><b>SP\u00c9CIFICATIONS ET D\u00c9SIGNATIONS<\/b><\/p>\n<ul>\n<li>W : 1.4539<\/li>\n<li>UNS : UNS N08904<\/li>\n<li>Su\u00e9dois : 2526<\/li>\n<li>Marque : URANUS\u00ae B6<\/li>\n<li>AISI : 904L<\/li>\n<\/ul>\n\t\t<div data-elementor-type=\"section\" data-elementor-id=\"2152\" class=\"elementor elementor-2152\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div class=\"elementor-element elementor-element-1a5312d e-flex e-con-boxed e-con e-parent\" data-id=\"1a5312d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-703a4b7 elementor-widget elementor-widget-spacer\" data-id=\"703a4b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;acier inoxydable AISI 904L UNS N08904 W 1.4539 est similaire au 316L, mais avec l&rsquo;ajout de molybd\u00e8ne, qui offre une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion localis\u00e9e (corrosion par piq\u00fbres et par crevasses). Avec une valeur PREN de 35, c&rsquo;est une solution appropri\u00e9e pour les applications en eau de mer chaude et autres environnements \u00e0 forte [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4505,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4552","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Acier inoxydable AISI 904L UNS N08904 W 1.4539 - M.F. 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