{"id":55587,"date":"2025-12-16T06:38:43","date_gmt":"2025-12-16T06:38:43","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=55587"},"modified":"2026-01-13T01:15:22","modified_gmt":"2026-01-13T01:15:22","slug":"1-4410-acier-inoxydable-super-duplex","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/1-4410-acier-inoxydable-super-duplex\/","title":{"rendered":"1.4410 (UNS S32750) Acier inoxydable super duplex"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"55587\" class=\"elementor elementor-55587\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76641f8 e-flex e-con-boxed e-con e-parent\" data-id=\"76641f8\" 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-7290d3f elementor-widget elementor-widget-text-editor\" data-id=\"7290d3f\" 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>1.4410 (UNS S32750) est la d\u00e9signation europ\u00e9enne d'un acier inoxydable super duplex avanc\u00e9 pr\u00e9sentant une r\u00e9sistance exceptionnelle \u00e0 la corrosion fissurante sous contrainte et \u00e0 la corrosion par piq\u00fbres.<\/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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9b6034d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b6034d\" 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-100 elementor-top-column elementor-element elementor-element-a08c40b\" data-id=\"a08c40b\" 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-2ab1422 elementor-widget elementor-widget-heading\" data-id=\"2ab1422\" 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\">1.4410 et sa structure unique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff27a2e elementor-widget elementor-widget-text-editor\" data-id=\"ff27a2e\" 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>Il s'agit d'un acier inoxydable super duplex, compos\u00e9 d'un m\u00e9lange pr\u00e9cis\u00e9ment \u00e9quilibr\u00e9 de phases aust\u00e9nitiques et ferritiques, avec un rapport microstructurel de 50:50. Cette structure conf\u00e8re \u00e0 l'alliage une combinaison unique de propri\u00e9t\u00e9s, offrant \u00e0 la fois une grande solidit\u00e9 et une grande r\u00e9sistance \u00e0 la corrosion.<\/p><ul><li>La phase ferrite offre une excellente r\u00e9sistance \u00e0 la corrosion sous contrainte.<\/li><li>La phase aust\u00e9nitique contribue \u00e0 la t\u00e9nacit\u00e9 et \u00e0 la ductilit\u00e9. Elle aide \u00e9galement \u00e0 maintenir une bonne soudabilit\u00e9.<\/li><\/ul>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3aeb7b2 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3aeb7b2\" 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-d8e94d3\" data-id=\"d8e94d3\" 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-11bab7e elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"11bab7e\" 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\">Ce que nous faisons<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1523d3b elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"1523d3b\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&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<ul><li>Plaque<\/li><li>Feuille<\/li><li>Forgeage<\/li><li>Barre ronde<\/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-7afba4f elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"7afba4f\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&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<ul><li>Bride<\/li><li>Tuyaux<\/li><li>Raccords<\/li><li>Sur mesure<\/li><\/ul>\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<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-3b2f56a\" data-id=\"3b2f56a\" 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-385740f elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"385740f\" 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>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-c83b819 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"c83b819\" 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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-27ccf3e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"27ccf3e\" 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-100 elementor-top-column elementor-element elementor-element-d825f90\" data-id=\"d825f90\" 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-56a6f75 elementor-widget elementor-widget-heading\" data-id=\"56a6f75\" 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 1.4410<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9614034 e-flex e-con-boxed e-con e-parent\" data-id=\"9614034\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-a43da41 e-con-full e-flex e-con e-child\" data-id=\"a43da41\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5f2a12 elementor-widget elementor-widget-text-editor\" data-id=\"f5f2a12\" 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>Les propri\u00e9t\u00e9s exceptionnelles du mat\u00e9riau 1.4410 sont directement attribuables \u00e0 sa composition chimique unique. Cet alliage contient des niveaux \u00e9lev\u00e9s de chrome, de molybd\u00e8ne et d'azote, qui d\u00e9terminent collectivement son indice de r\u00e9sistance aux piq\u00fbres (PREN).<\/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-27053ef elementor-widget elementor-widget-text-editor\" data-id=\"27053ef\" 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 valeur PREN du 1.4410 d\u00e9passe g\u00e9n\u00e9ralement 40. Une valeur PREN aussi \u00e9lev\u00e9e est une preuve irr\u00e9futable de sa r\u00e9sistance exceptionnelle \u00e0 la corrosion localis\u00e9e, qui le distingue imm\u00e9diatement des aciers inoxydables duplex standard, comme le montrent les discussions comparatives entre des mat\u00e9riaux tels que le 1.4410 et le 1.4462.<\/p>\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-23487e3 e-con-full e-flex e-con e-child\" data-id=\"23487e3\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-308ba88 elementor-widget elementor-widget-image\" data-id=\"308ba88\" 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\t<a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/12\/1.4410UNS-S32750.webp\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-title=\"1.4410(UNS S32750) Chemical Composition\" data-elementor-lightbox-description=\"1.4410(UNS S32750) Chemical Composition\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6NTU2NzYsInVybCI6Imh0dHBzOlwvXC93d3cua2F5c3Vucy5jb21cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjVcLzEyXC8xLjQ0MTBVTlMtUzMyNzUwLndlYnAifQ%3D%3D\" target=\"_blank\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"810\" height=\"620\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/12\/1.4410UNS-S32750-810x620.webp\" class=\"attachment-neve-blog size-neve-blog wp-image-55676\" alt=\"1.4410 (UNS S32750) Composition chimique\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e269828 elementor-widget elementor-widget-text-editor\" data-id=\"e269828\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>\u00c9l\u00e9ment<\/th>\n<th>C<\/th>\n<th>Si<\/th>\n<th>Mn<\/th>\n<th>P<\/th>\n<th>S<\/th>\n<th>Cr<\/th>\n<th>Ni<\/th>\n<th>Mo<\/th>\n<th>N<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Contenu (wt%)<\/td>\n<td>\u2264 0.030<\/td>\n<td>\u2264 0,80<\/td>\n<td>\u2264 1,20<\/td>\n<td>\u2264 0.035<\/td>\n<td>\u2264 0,015<\/td>\n<td>24,0 \u2013 26,0<\/td>\n<td>6,0 \u2013 8,0<\/td>\n<td>3,0 \u2013 4,5<\/td>\n<td>0,24 \u2013 0,35<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a8b5219 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a8b5219\" 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-100 elementor-top-column elementor-element elementor-element-553fbd9\" data-id=\"553fbd9\" 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-49f3896 elementor-widget elementor-widget-heading\" data-id=\"49f3896\" 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 1.4410<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3732712 elementor-widget elementor-widget-text-editor\" data-id=\"3732712\" 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 teneur \u00e9lev\u00e9e en alliage conf\u00e8re au 1.4410 des propri\u00e9t\u00e9s m\u00e9caniques exceptionnelles. Sa limite d'\u00e9lasticit\u00e9 est environ deux fois sup\u00e9rieure \u00e0 celle des aciers inoxydables aust\u00e9nitiques courants tels que le 316L. Par cons\u00e9quent, les ing\u00e9nieurs peuvent concevoir des syst\u00e8mes avec des parois plus minces, ce qui r\u00e9duit le poids et le co\u00fbt des mat\u00e9riaux.<\/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-06245e3 elementor-widget elementor-widget-text-editor\" data-id=\"06245e3\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Biens<\/th>\n<th>R\u00e9sistance \u00e0 la traction<\/th>\n<th>Limite d'\u00e9lasticit\u00e9 (d\u00e9calage de 0,2%)<\/th>\n<th>\u00c9longation<\/th>\n<th>Duret\u00e9<\/th>\n<th>Densit\u00e9<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Valeur (typique)<\/td>\n<td>\u2265 750 MPa<\/td>\n<td>\u2265 550 MPa<\/td>\n<td>\u2265 25 %<\/td>\n<td>\u2264 290 HBW<\/td>\n<td>7,8 g\/cm<sup>3<\/sup><\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-6682031 e-flex e-con-boxed e-con e-parent\" data-id=\"6682031\" 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-c76d4b6 elementor-cta--layout-image-right elementor-cta--mobile-layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"c76d4b6\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\">\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tN'h\u00e9sitez pas \u00e0 nous contacter\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tKAYSUNS propose des solutions globales pour les mat\u00e9riaux de tuyauterie tels que les tuyaux, les raccords, les brides, les vannes, les plaques, les pi\u00e8ces forg\u00e9es, les lingots d'acier inoxydable, d'acier duplex et d'acier alli\u00e9, toutes sortes d'\u00e9l\u00e9ments de fixation (boulons, \u00e9crous, rondelles plates, rondelles bomb\u00e9es) et d'autres produits. Nous acceptons un service personnalis\u00e9 pour nos produits et certains d'entre eux peuvent \u00eatre fournis en petites quantit\u00e9s. Si vous avez des questions sur notre soci\u00e9t\u00e9 et nos produits, n'h\u00e9sitez pas \u00e0 nous contacter.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-\">\n\t\t\t\t\t\tObtenir un devis\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\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-a360a77 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a360a77\" 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-100 elementor-top-column elementor-element elementor-element-173770f\" data-id=\"173770f\" 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-5e72f5d elementor-widget elementor-widget-heading\" data-id=\"5e72f5d\" 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\">Consid\u00e9rations relatives \u00e0 la fabrication et au soudage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6585c05 elementor-widget elementor-widget-text-editor\" data-id=\"6585c05\" 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>Un soudage ou un traitement thermique inad\u00e9quat peut entra\u00eener une d\u00e9gradation thermique, compromettant ainsi les propri\u00e9t\u00e9s du mat\u00e9riau.<\/p><ul><li>Contr\u00f4le de l'apport de chaleur :<br \/>Les soudeurs doivent contr\u00f4ler rigoureusement l'apport de chaleur. Une chaleur excessive entra\u00eene la formation d'une phase sigma nuisible. Cette phase fragile r\u00e9duit la t\u00e9nacit\u00e9 et la r\u00e9sistance \u00e0 la corrosion du mat\u00e9riau.<\/li><li>Mat\u00e9riau de remplissage :<br \/>Les consommables de soudage doivent contenir un exc\u00e8s de nickel et d'azote. Cela garantit que le m\u00e9tal soud\u00e9 conserve le bon \u00e9quilibre de phase 50:50.<\/li><li>Traitement post-soudure :<br \/>Le recuit de mise en solution doit \u00eatre effectu\u00e9 lorsque les conditions le permettent. Ce traitement thermique r\u00e9tablit l'\u00e9quilibre de phase optimal et restaure la r\u00e9sistance totale \u00e0 la corrosion.<\/li><\/ul>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-73533d3 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"73533d3\" 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-100 elementor-top-column elementor-element elementor-element-58a58ff\" data-id=\"58a58ff\" 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-0565625 elementor-widget elementor-widget-heading\" data-id=\"0565625\" 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\">Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f17cf55 elementor-widget elementor-widget-text-editor\" data-id=\"f17cf55\" 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><strong>Industrie p\u00e9troli\u00e8re et gazi\u00e8re<\/strong>Subsea <a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">pipelines<\/a>,les colonnes montantes et la tuyauterie de traitement.<\/li><li><strong>Secteur chimique<\/strong>\u00c9changeurs de chaleur et r\u00e9cipients sous pression.<\/li><li><strong>Construction navale<\/strong>Arbres de transmission et carters de pompe.<\/li><li><strong>Usines de dessalement<\/strong>: Syst\u00e8mes de tuyauterie haute pression.<\/li><\/ul>\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e8b9b61 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e8b9b61\" 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-100 elementor-top-column elementor-element elementor-element-67a4bb3\" data-id=\"67a4bb3\" 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-642531d elementor-widget elementor-widget-heading\" data-id=\"642531d\" 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\">1,4410 contre 1,4462<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-411f268 elementor-widget elementor-widget-text-editor\" data-id=\"411f268\" 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 principale diff\u00e9rence entre le 1.4410 et le grade duplex 1.4462 (UNS S31803\/S32205), largement utilis\u00e9, r\u00e9side dans la concentration de Mo et de N. Cette diff\u00e9rence chimique se traduit directement en termes de performance, justifiant le co\u00fbt plus \u00e9lev\u00e9 du 1.4410.<\/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-08b9c05 elementor-widget elementor-widget-text-editor\" data-id=\"08b9c05\" 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<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Fonctionnalit\u00e9<\/th>\n<th>1.4410<\/th>\n<th>1.4462<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">D\u00e9signation UNS<\/td>\n<td>S32750<\/td>\n<td>S31803 \/ S32205<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">PREN type<\/td>\n<td>&gt; 40<\/td>\n<td>32 \u2013 35<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">R\u00e9sistance \u00e0 la piq\u00fbre<\/td>\n<td>Excellent (convient pour les chlorures \u00e0 environ 60 \u00b0C)<\/td>\n<td>Tr\u00e8s bon (convient pour ~ 30 \u00b0C chlorures)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Limite d&#039;\u00e9lasticit\u00e9<\/td>\n<td>\u2265 550 MPa<\/td>\n<td>\u2265 450 MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\nPour plus de d\u00e9tails, veuillez vous r\u00e9f\u00e9rer au <a href=\"https:\/\/www.kaysuns.com\/fr\/1-4410-vs-1-4462quelle-est-la-difference\/\" target=\"_blank\">analyse comparative de 1,4410 et 1,4462<\/a>.\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\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-411d78b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"411d78b\" 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-963afc7\" data-id=\"963afc7\" 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-8dde8cb elementor-widget elementor-widget-heading\" data-id=\"8dde8cb\" 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-8504733 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"8504733\" 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 class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<span class=\"elementor-divider__text elementor-divider__element\">\n\t\t\t\tPrendre contact\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abd8a94 elementor-align-start elementor-widget__width-initial elementor-icon-list--layout-traditional elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"abd8a94\" 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-map-marker-alt\"><\/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\">RM901 No.22 Tangjiaqiao Road Wenzhou Chine<\/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-phone-square-alt\"><\/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\">+86 577 8551 1171<\/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<a href=\"mailto:sales@kaysuns.com\" target=\"_blank\">\n\n\t\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-envelope-square\"><\/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\">sales@kaysuns.com<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\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<a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">\n\n\t\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-book-reader\"><\/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\">https:\/\/www.kaysuns.com\/<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\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 class=\"elementor-element elementor-element-9b208b6 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"9b208b6\" 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 class=\"elementor-divider-separator\">\n\t\t\t\t\t\t\t<span class=\"elementor-divider__text elementor-divider__element\">\n\t\t\t\tTrouvez-nous\t\t\t\t<\/span>\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33a6220 e-grid-align-left elementor-shape-square elementor-grid-0 elementor-widget elementor-widget-social-icons\" data-id=\"33a6220\" data-element_type=\"widget\" data-widget_type=\"social-icons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-social-icons-wrapper elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-facebook elementor-repeater-item-2f55736\" href=\"https:\/\/www.facebook.com\/kaysuns?mibextid=LQQJ4d\" target=\"_blank\" rel=\"nofollow\" >\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Facebook<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-facebook\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-linkedin elementor-repeater-item-25db865\" href=\"https:\/\/www.linkedin.com\/company\/kaysuns\/\" target=\"_blank\" rel=\"nofollow\" >\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Linkedin<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fab fa-linkedin\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<span class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t<a class=\"elementor-icon elementor-social-icon elementor-social-icon-envelope elementor-repeater-item-bb1358c\" href=\"mailto:sales@kaysuns.com\" target=\"_blank\">\n\t\t\t\t\t\t<span class=\"elementor-screen-only\">Enveloppe<\/span>\n\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-envelope\"><\/i>\t\t\t\t\t<\/a>\n\t\t\t\t<\/span>\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<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-516caff\" data-id=\"516caff\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\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-023782c elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"023782c\" data-element_type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"Blog-Contact\" aria-label=\"Blog-Contact\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"55587\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"023782c\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"1.4410 (UNS S32750) Super Duplex Stainless Steel - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"55587\"\/>\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tNom\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Nom\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCourriel :\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Courriel :\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tMessage\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"Message\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-upload elementor-field-group elementor-column elementor-field-group-field_e16bef1 elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_e16bef1\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tVous pouvez \u00e9galement l'envoyer \u00e0 notre adresse \u00e9lectronique sales@kaysuns.com.\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_e16bef1][]\" id=\"form-field-field_e16bef1\" class=\"elementor-field elementor-size-sm  elementor-upload-field\" multiple=\"multiple\" data-maxsize=\"50\" data-maxsize-message=\"Ce fichier d\u00e9passe la taille maximale autoris\u00e9e.\" data-no-translation-data-maxsize-message=\"\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_1051df5 elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_1051df5\"><div class=\"elementor-g-recaptcha\" 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pr\u00e9sentant une r\u00e9sistance exceptionnelle \u00e0 la corrosion fissurante sous contrainte et \u00e0 la corrosion par piq\u00fbres.<\/p>","protected":false},"author":1,"featured_media":55677,"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":[316,186,51],"tags":[],"class_list":["post-55587","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-stainless-steel-knowledge","category-materials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - 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