{"id":49387,"date":"2025-03-19T06:41:34","date_gmt":"2025-03-19T06:41:34","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=49387"},"modified":"2025-12-22T07:50:18","modified_gmt":"2025-12-22T07:50:18","slug":"s32205-vs-s31803-quelle-est-la-difference","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/s32205-vs-s31803-quelle-est-la-difference\/","title":{"rendered":"S32205 VS S31803, Quelle est la diff\u00e9rence ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"49387\" class=\"elementor elementor-49387\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c225f73 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c225f73\" 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-0fbc3d8\" data-id=\"0fbc3d8\" 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-7ff6aba elementor-widget elementor-widget-text-editor\" data-id=\"7ff6aba\" 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><strong>S32205 VS S31803<\/strong>, il s'agit de deux <a href=\"\/fr\/types-dacier-inoxydable-duplex\/\" target=\"_blank\" rel=\"noopener\">aciers inoxydables duplex<\/a> couramment utilis\u00e9s dans les industries chimiques, marines et p\u00e9troli\u00e8res. Tous deux pr\u00e9sentent une excellente r\u00e9sistance \u00e0 la corrosion et une grande solidit\u00e9. Cependant, des diff\u00e9rences subtiles dans leur composition et leurs propri\u00e9t\u00e9s les distinguent. Nous explorons dans cet article les diff\u00e9rences de chimie, de propri\u00e9t\u00e9s et d'applications afin de vous guider dans votre choix.<\/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<\/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-aa5280d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa5280d\" 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-139a0e0\" data-id=\"139a0e0\" 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-65c8a50 elementor-widget elementor-widget-heading\" data-id=\"65c8a50\" 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\">S32205 VS S31803,Composition chimique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-382a27e elementor-widget elementor-widget-text-editor\" data-id=\"382a27e\" 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 les deux est la teneur en azote et en chrome. Le S32205 augmente la teneur en azote et affine les teneurs en chrome et en phosphore. <a href=\"https:\/\/www.kaysuns.com\/fr\/role-du-molybdene-dans-les-tubes-et-raccords-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">molybd\u00e8ne<\/a> Les ratios. Par cons\u00e9quent, il am\u00e9liore la r\u00e9sistance \u00e0 la corrosion et la solidit\u00e9.<\/p><table><tbody><tr bgcolor=\"#00a0e9\"><th>\u00c9l\u00e9ment<\/th><th>Cr<\/th><th>Ni<\/th><th>Mo<\/th><th>N<\/th><th>Fe<\/th><\/tr><tr><td bgcolor=\"#05B8E4\">S31803 (%)<\/td><td>21.0-23.0<\/td><td>4.5-6.5<\/td><td>2.5-3.5<\/td><td>0.08-0.20<\/td><td>\u00c9quilibre<\/td><\/tr><tr><td bgcolor=\"#05B8E4\">S32205 (%)<\/td><td>22.0-23.0<\/td><td>4.5-6.5<\/td><td>3.0-3.5<\/td><td>0.14-0.20<\/td><td>\u00c9quilibre<\/td><\/tr><\/tbody><\/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-d8f0686 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d8f0686\" 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-75fbddd\" data-id=\"75fbddd\" 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-5d0d1f8 elementor-widget elementor-widget-image\" data-id=\"5d0d1f8\" 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=\"413\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-1024x413.webp\" class=\"attachment-large size-large wp-image-49407\" alt=\"S32205 VS S31803 -P1\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-1024x413.webp 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-300x121.webp 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-768x310.webp 768w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-1536x619.webp 1536w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-2048x826.webp 2048w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-P1-scaled-e1742366369307-18x7.webp 18w\" 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\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-1e5a01e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1e5a01e\" 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-b8daf32\" data-id=\"b8daf32\" 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-e746428 elementor-widget elementor-widget-heading\" data-id=\"e746428\" 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\">S32205 VS S31803,Propri\u00e9t\u00e9s m\u00e9caniques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1190ac9 elementor-widget elementor-widget-text-editor\" data-id=\"1190ac9\" 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\tLe S32205 surpasse le S31803 en termes de r\u00e9sistance m\u00e9canique. Sa teneur en azote plus \u00e9lev\u00e9e am\u00e9liore la limite d'\u00e9lasticit\u00e9 et la t\u00e9nacit\u00e9. De plus, le S32205 r\u00e9siste mieux \u00e0 la fatigue.\n<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Biens<\/th>\n<th>Limite d'\u00e9lasticit\u00e9 (MPa)<\/th>\n<th>R\u00e9sistance \u00e0 la traction (MPa)<\/th>\n<th>\u00c9longation (%)<\/th>\n<th>Duret\u00e9 (HB)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">S31803 (%)<\/td>\n<td>450\u00a0<\/td>\n<td>\u2265620<\/td>\n<td>25<\/td>\n<td>\u2264293<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">S32205 (%)<\/td>\n<td>\u2265450-500<\/td>\n<td>\u2265655<\/td>\n<td>25<\/td>\n<td>\u2264310<\/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-ecdbb53 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ecdbb53\" 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-52fc13b\" data-id=\"52fc13b\" 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-a6f69a3 elementor-widget elementor-widget-heading\" data-id=\"a6f69a3\" 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\">Variations de la r\u00e9sistance \u00e0 la corrosion<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-846b86e elementor-widget elementor-widget-text-editor\" data-id=\"846b86e\" 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\tLe S32205 excelle dans les environnements riches en chlorure comme l'eau de mer. Il r\u00e9siste mieux \u00e0 la corrosion par piq\u00fbres et par crevasses que le S31803. En revanche, le S31803 a un peu de mal \u00e0 r\u00e9sister aux conditions acides. Le S32205 convient donc aux environnements plus difficiles. Par exemple, son PREN (indice \u00e9quivalent de r\u00e9sistance aux piq\u00fbres) d\u00e9passe souvent 35, contre 31-35 pour le S31803.\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-1434a6b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1434a6b\" 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-c76b171\" data-id=\"c76b171\" 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-8cd02cb elementor-cta--layout-image-left elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-widget elementor-widget-call-to-action\" data-id=\"8cd02cb\" 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<div class=\"elementor-cta\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.kaysuns.com\/wp-content\/uploads\/2025\/03\/S32205-VS-S31803-CTA-1024x682.webp);\" role=\"img\" aria-label=\"S32205 VS S31803 -CTA\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\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\tCe que nous faisons\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 fournit des solutions globales pour les mat\u00e9riaux de tuyauterie tels que les TUBES, les RACCORDS, les FLANGES, les VANNES en acier inoxydable, en acier duplex et en acier alli\u00e9, etc. Nous personnaliserons les produits les plus appropri\u00e9s pour vous. 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<a class=\"elementor-cta__button elementor-button elementor-size-\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\">\n\t\t\t\t\t\tNous contacter\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-84e50c6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"84e50c6\" 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-d08d84c\" data-id=\"d08d84c\" 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-5db6fa1 elementor-widget elementor-widget-heading\" data-id=\"5db6fa1\" 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 : Les points forts de chacun<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05ed7d1 elementor-widget elementor-widget-text-editor\" data-id=\"05ed7d1\" 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\tLe S31803 s'int\u00e8gre bien dans les \u00e9quipements chimiques standard et les pipelines. Il offre un bon \u00e9quilibre entre le co\u00fbt et la performance. Le S32205, quant \u00e0 lui, s'\u00e9panouit dans l'ing\u00e9nierie marine et les syst\u00e8mes \u00e0 haute pression. Sa solidit\u00e9 et sa r\u00e9sistance \u00e0 la corrosion sup\u00e9rieures en font un produit id\u00e9al pour les travaux plus difficiles.\n<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Domaine d'application<\/th>\n<th>S31803 Pr\u00e9f\u00e9rentiel<\/th>\n<th>S32205 Pr\u00e9f\u00e9r\u00e9<\/th>\n<\/tr>\n<tr>\n<td>Traitement chimique<\/td>\n<td>Tuyaux g\u00e9n\u00e9raux<\/td>\n<td>Environnements acides<\/td>\n<\/tr>\n<tr>\n<td>G\u00e9nie maritime<\/td>\n<td>Raccords de base<\/td>\n<td>Exposition \u00e0 l'eau de mer<\/td>\n<\/tr>\n<tr>\n<td>P\u00e9trole et gaz<\/td>\n<td>Lignes \u00e0 basse pression<\/td>\n<td>Syst\u00e8mes \u00e0 haute pression<\/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-12adc8d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"12adc8d\" 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-67e68de\" data-id=\"67e68de\" 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-e0461d2 elementor-widget elementor-widget-heading\" data-id=\"e0461d2\" 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\">S32205 VS S31803,Avantages principaux<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4b01a39 elementor-widget elementor-widget-accordion\" data-id=\"4b01a39\" 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-7861\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-7861\" 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\">S31803 Acier inoxydable duplex<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7861\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-7861\"><ul><li><strong>Excellente r\u00e9sistance \u00e0 la corrosion :<\/strong> S31803 r\u00e9siste efficacement \u00e0 la corrosion dans une large gamme d'environnements acides, prolongeant ainsi la dur\u00e9e de vie des \u00e9quipements.<\/li><li><strong>Haute r\u00e9sistance m\u00e9canique :<\/strong> Sa limite d'\u00e9lasticit\u00e9 peut atteindre 450 MPa, ce qui le rend adapt\u00e9 aux structures porteuses.<\/li><li><strong>Rentable :<\/strong> Le S31803 est moins cher que les mat\u00e9riaux fortement alli\u00e9s et offre des performances \u00e9quilibr\u00e9es.<\/li><li><strong>Excellente soudabilit\u00e9 :<\/strong> Le S31803 est compatible avec les proc\u00e9d\u00e9s de soudage conventionnels et offre une grande souplesse de mise en \u0153uvre.<\/li><li><strong>Bonne r\u00e9sistance \u00e0 la fatigue :<\/strong> il reste stable en cas de contraintes cycliques, ce qui le rend adapt\u00e9 aux applications dynamiques.<\/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-7862\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-7862\" 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\">S32205 Acier inoxydable duplex<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-7862\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-7862\"><ul><li><strong>Excellente r\u00e9sistance \u00e0 la piq\u00fbre :<\/strong> Le S32205 r\u00e9siste de mani\u00e8re significative \u00e0 la piq\u00fbre dans les environnements chlor\u00e9s tels que l'eau de mer.<\/li><li><strong>Plus grande r\u00e9sistance :<\/strong> Avec une r\u00e9sistance \u00e0 la traction de plus de 655 MPa, il surpasse le S31803.<\/li><li><strong>Excellente r\u00e9sistance \u00e0 la corrosion par crevaison :<\/strong> Le S32205 pr\u00e9vient la corrosion dans les fissures \u00e9troites, ce qui le rend adapt\u00e9 \u00e0 l'ing\u00e9nierie marine.<\/li><li><strong>R\u00e9sistance am\u00e9lior\u00e9e :<\/strong> Il conserve sa duret\u00e9 \u00e0 basse temp\u00e9rature et s'adapte aux conditions difficiles.<\/li><li><strong>R\u00e9sistance \u00e0 la corrosion sous contrainte :<\/strong> Le S32205 r\u00e9siste efficacement \u00e0 la corrosion sous contrainte induite par les chlorures, il est s\u00fbr et fiable.<\/li><\/ul><\/div>\n\t\t\t\t<\/div>\n\t\t\t\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\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5e46cb4 elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e46cb4\" 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-a5830d4\" data-id=\"a5830d4\" 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-752c191 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"752c191\" 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-e755006 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"e755006\" 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>\n \t<li><a style=\"color: white;\" href=\"\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">Tuyaux &gt;<\/a><\/li>\n \t<li><a style=\"color: white;\" href=\"\/fr\/raccords-de-tuyauterie-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">Raccords &gt;<\/a><\/li>\n \t<li><a style=\"color: white;\" href=\"\/fr\/brides-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">Brides &gt;<\/a><\/li>\n \t<li><a style=\"color: white;\" href=\"\/fr\/services\/ce-que-nous-faisons\/\" target=\"_blank\" rel=\"noopener\">Plus &gt;<\/a><\/li>\n<\/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-10b8730\" data-id=\"10b8730\" 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-14003fc elementor-align-left elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"14003fc\" 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=\"https:\/\/www.kaysuns.com\/fr\/contacter-kaysuns\/\" 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\">Obtenir un devis maintenant<\/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-fbe4699 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fbe4699\" 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-f8aea26\" data-id=\"f8aea26\" 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-0fe2261 elementor-widget elementor-widget-heading\" data-id=\"0fe2261\" 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\">S32205 VS S31803,Normes de mat\u00e9riaux<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7cafdd1 elementor-widget elementor-widget-text-editor\" data-id=\"7cafdd1\" 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>ASTM : Les deux sont conformes aux normes ASTM A240 et ASTM A479.<\/li><li>ASME : S31803 et S32205 figurent dans les normes ASME SA-240 et SA-479.<\/li><li>EN : Les deux suivent la norme EN 1.4462, mais le S32205 a une teneur en azote ajust\u00e9e.<\/li><li>ISO : les deux suivent la norme ISO 15156.<\/li><li>NACE : S31803 et S32205 sont conformes \u00e0 <a href=\"https:\/\/www.kaysuns.com\/fr\/quest-ce-que-nace-mr0175-iso-15156\/\" target=\"_blank\" rel=\"noopener\">NACE MR0175\/ISO 15156<\/a>.<\/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-b9e52f1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b9e52f1\" 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-8df4ccf\" data-id=\"8df4ccf\" 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-8197616 elementor-widget elementor-widget-heading\" data-id=\"8197616\" 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\">Comparaison avec d'autres alliages<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7d3d3ee elementor-widget elementor-widget-text-editor\" data-id=\"7d3d3ee\" 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<div>contrairement \u00e0 <a href=\"\/fr\/blog\/acier-inoxydable-de-la-serie-300-acier-inoxydable-austenitique-au-chrome-et-au-nickel\/\" target=\"_blank\" rel=\"noopener\">aciers inoxydables aust\u00e9nitiques<\/a> (par exemple, <a href=\"\/fr\/acier-inoxydable-austenitique-316-ln\/\" target=\"_blank\" rel=\"noopener\">316LN<\/a>), <strong>S32205 VS S31803<\/strong> offre une plus grande r\u00e9sistance et une structure duplex. Le S32205 l'emporte sur le S31803 dans les conditions extr\u00eames, ce qui en fait un choix de premier ordre.<\/div>\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-ccac3fc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ccac3fc\" 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-bc7f011\" data-id=\"bc7f011\" 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-c48c6b6 elementor-widget elementor-widget-heading\" data-id=\"c48c6b6\" 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-96fcb5d elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"96fcb5d\" 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-fa4bc55 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=\"fa4bc55\" 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-e814550 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"e814550\" 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-f70fe1c e-grid-align-left elementor-shape-square elementor-grid-0 elementor-widget elementor-widget-social-icons\" data-id=\"f70fe1c\" 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\" 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Tous deux pr\u00e9sentent une excellente r\u00e9sistance \u00e0 la corrosion et une grande solidit\u00e9. Cependant, des diff\u00e9rences subtiles dans leur composition et leurs propri\u00e9t\u00e9s les distinguent. Nous explorons dans cet article les diff\u00e9rences de chimie, de propri\u00e9t\u00e9s et d'applications afin de vous guider dans votre choix. S32205...&nbsp;<a href=\"https:\/\/www.kaysuns.com\/fr\/s32205-vs-s31803-quelle-est-la-difference\/\" rel=\"bookmark\">Lire plus \"<span class=\"screen-reader-text\">S32205 VS S31803, Quelle est la diff\u00e9rence ?<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":49406,"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],"tags":[],"class_list":["post-49387","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>S32205 VS S31803, What&#039;s The Difference? - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"S32205 VS S31803, what is the difference between them? 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