{"id":58201,"date":"2026-03-10T08:22:34","date_gmt":"2026-03-10T08:22:34","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=58201"},"modified":"2026-03-10T08:22:36","modified_gmt":"2026-03-10T08:22:36","slug":"tube-super-duplex-uns-s32550","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/tube-super-duplex-uns-s32550\/","title":{"rendered":"Super Duplex UNS S32550 | 1.4507 | Ferralium 255 Pipe &amp; Tube"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"58201\" class=\"elementor elementor-58201\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2804585 e-flex e-con-boxed e-con e-parent\" data-id=\"2804585\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9bfe1e6 elementor-widget elementor-widget-heading\" data-id=\"9bfe1e6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Tube Super Duplex S32550 Fournisseur de tubes en Chine<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c389fee e-con-full e-flex e-con e-child\" data-id=\"c389fee\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0902f9b e-con-full e-flex e-con e-child\" data-id=\"0902f9b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4d5ba81 elementor-widget elementor-widget-text-editor\" data-id=\"4d5ba81\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>Tube super duplex S32550<\/strong> (\u00e9galement connu sous le nom de Ferralium 255) est un tube en acier inoxydable duplex haute performance pr\u00e9sentant un rapport approximativement \u00e9gal entre les microstructures aust\u00e9nitiques et ferritiques.Dot\u00e9 d'une r\u00e9sistance exceptionnelle, c'est le seul acier super duplex atteignant une limite d'\u00e9lasticit\u00e9 minimale de 85 ksi (586 MPa).Avec un PREN sup\u00e9rieur \u00e0 40, il pr\u00e9sente une r\u00e9sistance exceptionnelle aux piq\u00fbres, \u00e0 la corrosion caverneuse et \u00e0 la fissuration par corrosion sous contrainte dans des environnements fortement chlor\u00e9s tels que l'eau de mer.L'ajout de cuivre am\u00e9liore consid\u00e9rablement sa tol\u00e9rance aux acides sulfurique, nitrique et phosphorique.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-03721e7 elementor-widget elementor-widget-heading\" data-id=\"03721e7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Applications<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f74d07 elementor-widget elementor-widget-text-editor\" data-id=\"7f74d07\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLes tubes super duplex S32550 sont utilis\u00e9s dans les environnements industriels lourds o\u00f9 l'acier inoxydable standard est d\u00e9faillant en raison d'une corrosion extr\u00eame ou de contraintes m\u00e9caniques. Ses applications comprennent, sans s'y limiter, le p\u00e9trole et le gaz, le traitement chimique, la marine et le dessalement, la p\u00e2te \u00e0 papier et le papier, l'exploitation mini\u00e8re et la m\u00e9tallurgie, ainsi que le contr\u00f4le de la pollution.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96797fd e-con-full e-flex e-con e-child\" data-id=\"96797fd\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25bd4ba elementor-widget elementor-widget-image\" data-id=\"25bd4ba\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"573\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-1024x573.webp\" class=\"attachment-large size-large wp-image-58220\" alt=\"Fournisseur de tubes Super Duplex S32500\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-1024x573.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-300x168.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-768x430.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-1536x859.webp 1536w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-2048x1146.webp 2048w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-18x10.webp 18w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/03\/Super-Duplex-S32500-Pipe-Supplier-scaled-e1773130740274.webp 1000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e708f3c elementor-widget elementor-widget-heading\" data-id=\"e708f3c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">D\u00e9signations \u00e9quivalentes UNS S32550<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e43c5c4 elementor-widget-tablet__width-initial elementor-widget-mobile__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"e43c5c4\" data-element_type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">UNS S32550<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">W.Nr. 1.4507<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">EN X2CrNiMoCuN 25-6-3<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">ASTM\/ASME Grade F61<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Grade ISO X2CrNiMoN 25-6-3<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-square-full\"><\/i>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">AFNOR Z3 CNDU 25-07 Az<\/span>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3d859de elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3d859de\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-40e99d7\" data-id=\"40e99d7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b5604f elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"8b5604f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Vous avez un besoin ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff60ce6 elementor-widget elementor-widget-heading\" data-id=\"ff60ce6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-medium\">Kaysuns est un fournisseur professionnel de tube Super Duplex S32550. N'h\u00e9sitez pas \u00e0 me contacter si vous avez des besoins.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6f6f2e0\" data-id=\"6f6f2e0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"dce-visibility-event elementor-element elementor-element-e16f896 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"e16f896\" data-element_type=\"widget\" data-settings=\"{&quot;enabled_visibility&quot;:&quot;yes&quot;,&quot;dce_visibility_selected&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Contactez-nous pour plus d'informations\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1980d6b elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"1980d6b\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nous contacter<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-e5729da e-flex e-con-boxed e-con e-parent\" data-id=\"e5729da\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-198cbab elementor-widget elementor-widget-heading\" data-id=\"198cbab\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Composition chimique du tube Super Duplex S32550, wt.%<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f2427a elementor-widget elementor-widget-text-editor\" data-id=\"1f2427a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLa composition chimique du tube super duplex S32550 est \u00e9quilibr\u00e9e pour assurer un rapport approximatif de 50\/50 entre l'aust\u00e9nite et la ferrite. Par rapport \u00e0 d'autres aciers inoxydables super duplex, sa caract\u00e9ristique notable est une teneur en cuivre plus \u00e9lev\u00e9e.\n<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Cr<\/th>\n<th bgcolor=\"#00a0e9\">Ni<\/th>\n<th bgcolor=\"#00a0e9\">Mo<\/th>\n<th bgcolor=\"#00a0e9\">Cu<\/th>\n<th bgcolor=\"#00a0e9\">N<\/th>\n<th bgcolor=\"#00a0e9\">Mn<\/th>\n<th bgcolor=\"#00a0e9\">Si<\/th>\n<th bgcolor=\"#00a0e9\">C<\/th>\n<th bgcolor=\"#00a0e9\">P<\/th>\n<th bgcolor=\"#00a0e9\">S<\/th>\n<th bgcolor=\"#00a0e9\">Fe<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>24.0 - 27.0<\/td>\n<td>4.5 - 6.5<\/td>\n<td>2.9 - 3.9<\/td>\n<td>1,5 \u2013 2,5<\/td>\n<td>0.10 - 0.25<\/td>\n<td>\u2264 1.50<\/td>\n<td>\u2264 1.00<\/td>\n<td>\u2264 0.04<\/td>\n<td>\u2264 0.04<\/td>\n<td>\u2264 0.03<\/td>\n<td>\u00c9quilibre<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-099d420 elementor-widget elementor-widget-heading\" data-id=\"099d420\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quelle est la principale diff\u00e9rence entre le S32550 et le S32750 ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d1a897 elementor-widget elementor-widget-text-editor\" data-id=\"8d1a897\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLa diff\u00e9rence la plus fondamentale r\u00e9side dans la teneur en cuivre.S32550 contient 1,5% \u00e0 2,5% de cuivre,tandis que S32750 limite g\u00e9n\u00e9ralement sa teneur en cuivre \u00e0 moins de 0,5%.Cela permet \u00e0 S32550 de surpasser de mani\u00e8re significative les autres qualit\u00e9s dans les acides corrosifs tels que les acides sulfurique,nitrique et phosphorique.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46da24d elementor-widget elementor-widget-heading\" data-id=\"46da24d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Comment le rapport de composition 50\/50 est-il contr\u00f4l\u00e9 par la composition chimique ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0eede67 elementor-widget elementor-widget-text-editor\" data-id=\"0eede67\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La diff\u00e9rence la plus fondamentale r\u00e9side dans la teneur en cuivre.S32550 contient 1,5% \u00e0 2,5% de cuivre,tandis que S32750 limite g\u00e9n\u00e9ralement sa teneur en cuivre \u00e0 moins de 0,5%.Cela permet \u00e0 S32550 de surpasser de mani\u00e8re significative les autres qualit\u00e9s dans les acides corrosifs tels que les acides sulfurique,nitrique et phosphorique.<\/p>\t\t\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<div class=\"elementor-element elementor-element-28b3c69 e-flex e-con-boxed e-con e-parent\" data-id=\"28b3c69\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-99fc75e elementor-widget elementor-widget-heading\" data-id=\"99fc75e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s m\u00e9caniques du tube Super Duplex S32550<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4bbf48a elementor-widget elementor-widget-text-editor\" data-id=\"4bbf48a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">R\u00e9sistance \u00e0 la traction<\/th>\n<th bgcolor=\"#00a0e9\">Limite d'\u00e9lasticit\u00e9 (d\u00e9calage de 0,2%)<\/th>\n<th bgcolor=\"#00a0e9\">\u00c9longation<\/th>\n<th bgcolor=\"#00a0e9\">Duret\u00e9 (Max)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u2265 760 MPa(110 ksi)<\/td>\n<td>\u2265 550 MPa(80 ksi)<\/td>\n<td>\u2265 15%<\/td>\n<td>297 HBW(31 HRC) Max.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nRemarque :\nAlors que le minimum ASTM pour la limite d'\u00e9lasticit\u00e9 est de 80 ksi, de nombreux fabricants certifient le S32550 \u00e0 un minimum typique plus \u00e9lev\u00e9 de 85 ksi (586 MPa).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-65d4baa elementor-widget elementor-widget-heading\" data-id=\"65d4baa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quelle est la r\u00e9sistance de l'acier S32550 par rapport \u00e0 l'acier inoxydable ordinaire ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db45f64 elementor-widget elementor-widget-text-editor\" data-id=\"db45f64\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tSa limite d'\u00e9lasticit\u00e9 se situe g\u00e9n\u00e9ralement autour de 85 ksi (586 MPa), soit pr\u00e8s du double de celle de l'acier inoxydable aust\u00e9nitique 316L et environ 25% de plus que l'acier duplex standard 2205, ce qui permet d'utiliser des \u00e9paisseurs de paroi plus fines dans les conceptions de tuyauterie \u00e0 haute pression, r\u00e9duisant ainsi le poids total et les co\u00fbts.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-026683a elementor-widget elementor-widget-heading\" data-id=\"026683a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Le S32550 peut-il \u00eatre utilis\u00e9 dans des environnements \u00e0 basse temp\u00e9rature ?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d673446 elementor-widget elementor-widget-text-editor\" data-id=\"d673446\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<strong>Oui<\/strong>,Il conserve une bonne r\u00e9sistance aux chocs \u00e0 des temp\u00e9ratures aussi basses que -46\u00b0C. Cependant, il ne convient pas aux applications cryog\u00e9niques ou de grand froid (telles que les environnements GNL), o\u00f9 les aciers inoxydables aust\u00e9nitiques (304\/316, par exemple) sont plus performants, car l'acier inoxydable duplex subit une transition entre ductilit\u00e9 et fragilit\u00e9 \u00e0 des temp\u00e9ratures extr\u00eamement basses.\t\t\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<div class=\"elementor-element elementor-element-61f2e27 e-flex e-con-boxed e-con e-parent\" data-id=\"61f2e27\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-82ada09 elementor-widget elementor-widget-heading\" data-id=\"82ada09\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Propri\u00e9t\u00e9s physiques et thermiques du tube Super Duplex S32550<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-84d99f4 elementor-widget elementor-widget-text-editor\" data-id=\"84d99f4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Densit\u00e9 : 7,81 g\/cm\u00b3 (0,282 lb\/in\u00b3).<\/li><li>Plage de fusion : 1350\u00b0C - 1450\u00b0C (2460\u00b0F - 2640\u00b0F).<\/li><li>Module d'\u00e9lasticit\u00e9 : 199 - 200 GPa (29.0 \u00d7 10<sup>6<\/sup> psi)<\/li><li>Rapport de Poisson : 0,3<\/li><li>Magn\u00e9tique:Magn\u00e9tique.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-806fde2 elementor-widget elementor-widget-text-editor\" data-id=\"806fde2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<thead>\n<tr>\n<th bgcolor=\"#00a0e9\">Biens<\/th>\n<th bgcolor=\"#00a0e9\">Temp\u00e9rature<\/th>\n<th bgcolor=\"#00a0e9\">Valeur m\u00e9trique<\/th>\n<th bgcolor=\"#00a0e9\">Valeur imp\u00e9riale<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td bgcolor=\"#05B8E4\" rowspan=\"2\">Conductivit\u00e9 thermique<\/td>\n<td>20\u00b0C (68\u00b0F)<\/td>\n<td>14,2 W\/m-K<\/td>\n<td>8,2 BTU\/ft-h-\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>100\u00b0C (212\u00b0F)<\/td>\n<td>15,5 W\/m-K<\/td>\n<td>9,0 BTU\/ft-h-\u00b0F<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\" rowspan=\"2\">Coefficient moyen de dilatation thermique<\/td>\n<td>20-100\u00b0C<\/td>\n<td>11,1 x 10-\u2076 \/\u00b0C<\/td>\n<td>6,2 x 10-\u2076 \/\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>20-200\u00b0C<\/td>\n<td>12,1 x 10-\u2076 \/\u00b0C<\/td>\n<td>6,7 x 10-\u2076 \/\u00b0F<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Chaleur sp\u00e9cifique<\/td>\n<td>20\u00b0C (68\u00b0F)<\/td>\n<td>475 J\/kg-K<\/td>\n<td>0,11 BTU\/lb-\u00b0F<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Plage de fusion<\/td>\n<td>\u2013<\/td>\n<td>1350 - 1450\u00b0C<\/td>\n<td>2460 - 2640\u00b0F<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\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<div class=\"elementor-element elementor-element-2f6077c e-flex e-con-boxed e-con e-parent\" data-id=\"2f6077c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d920bd elementor-widget elementor-widget-heading\" data-id=\"0d920bd\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQs sur le tube Super Duplex S32550<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-49745f5 elementor-widget elementor-widget-accordion\" data-id=\"49745f5\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7701\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-7701\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quelles sont les temp\u00e9ratures maximales et minimales de fonctionnement du pipeline S32550 ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7701\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-7701\"><ul><li><strong>Limite sup\u00e9rieure :<\/strong><br \/>Le d\u00e9passement de cette temp\u00e9rature entra\u00eene une fragilisation \u00e0 475\u00b0C, qui rend le tuyau aussi cassant que du verre.<\/li><li><strong>Limite inf\u00e9rieure :<\/strong><br \/>Bien que sup\u00e9rieur \u00e0 l'acier au carbone, il reste inadapt\u00e9 aux applications cryog\u00e9niques telles que le gaz naturel liqu\u00e9fi\u00e9 (-162\u00b0C).<\/li><\/ul><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7702\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-7702\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quelle est la diff\u00e9rence entre S32550 et S32750 (2507) ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7702\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-7702\"><p>Le S32550 pr\u00e9sente une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion dans les acides non oxydants (tels que l'acide sulfurique et l'acide phosphorique) en raison de sa teneur en cuivre. Le S32750 ne contient pas de cuivre ou seulement \u00e0 l'\u00e9tat de traces, ce qui le rend particuli\u00e8rement adapt\u00e9 aux environnements d'eau de mer \u00e0 forte teneur en chlorure.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-7703\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-7703\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Peut-il r\u00e9sister au H\u2082S (p\u00e9trole et gaz acides) ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7703\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-7703\"><p><strong>Oui.<\/strong>Le S32550 est conforme \u00e0 la norme NACE MR0175 \/ ISO 15156 et r\u00e9siste \u00e0 la fissuration sous contrainte par le sulfure (SSC), ce qui explique qu'il soit largement utilis\u00e9 dans les tubes et les conduites de collecte pour les champs p\u00e9troliers et gaziers acides en eaux profondes.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What are the maximum and minimum operating temperatures for the S32550 pipeline?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<ul><li><strong>Upper Limit:<\\\/strong><br \\\/>Typically restricted to 270\\u00b0C (525\\u00b0F).Exceeding this temperature causes \\u201c475\\u00b0C embrittlement,\\u201drendering the pipe as brittle as glass.<\\\/li><li><strong>Lower Limit:<\\\/strong><br \\\/>Typically -50\\u00b0C (-58\\u00b0F).While superior to carbon steel,it remains unsuitable for cryogenic applications such as liquefied natural gas (-162\\u00b0C).<\\\/li><\\\/ul>\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is the difference between S32550 and S32750 (2507)?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<p>S32550 exhibits superior corrosion resistance in non-oxidizing acids (such as sulfuric acid and phosphoric acid) due to its copper content.S32750 contains no copper or only trace amounts,making it primarily suited for high-chloride seawater environments.<\\\/p>\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can it withstand H\\u2082S (sour oil and gas)?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"<p><strong>Yes.<\\\/strong>S32550 complies with the NACE MR0175 \\\/ ISO 15156 standard and is resistant to sulfide stress cracking (SSC).As a result,it is widely used in tubing and gathering pipelines for deepwater acidic oil and gas fields.<\\\/p>\"\n            }\n        }\n    ]\n}<\/script>\n\t\t\t\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ba14d84 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ba14d84\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3a3db0c\" data-id=\"3a3db0c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f0d5d41 elementor-widget elementor-widget-heading\" data-id=\"f0d5d41\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Nous contacter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68c91f5 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"68c91f5\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span 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pr\u00e9sentant un rapport approximativement \u00e9gal entre les microstructures aust\u00e9nitiques et ferritiques.Dot\u00e9 d'une r\u00e9sistance exceptionnelle, c'est le seul acier super duplex atteignant une limite d'\u00e9lasticit\u00e9 minimale de 85 ksi (586 MPa).Avec un PREN sup\u00e9rieur \u00e0 40, il...&nbsp;<a href=\"https:\/\/www.kaysuns.com\/fr\/tube-super-duplex-uns-s32550\/\" rel=\"bookmark\">Lire plus \"<span class=\"screen-reader-text\">Super Duplex UNS S32550 | 1.4507 | Ferralium 255 Pipe &amp; Tube<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":58218,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[60,259],"tags":[],"class_list":["post-58201","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-duplex-stainles-steel-pipe","category-product"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Super Duplex S32550 Pipe &amp; Tube Supplier in China | Kaysuns<\/title>\n<meta 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