{"id":56716,"date":"2026-01-21T03:13:07","date_gmt":"2026-01-21T03:13:07","guid":{"rendered":"https:\/\/www.kaysuns.com\/?post_type=blog&#038;p=56716"},"modified":"2026-02-03T06:15:18","modified_gmt":"2026-02-03T06:15:18","slug":"sch-40-vs-sch-40s","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/sch-40-vs-sch-40s\/","title":{"rendered":"SCH 40 VS SCH 40S, quelle est la diff\u00e9rence ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"56716\" class=\"elementor elementor-56716\" data-elementor-post-type=\"blog\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8657ac1 e-flex e-con-boxed e-con e-parent\" data-id=\"8657ac1\" 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-87a6bc1 elementor-widget elementor-widget-text-editor\" data-id=\"87a6bc1\" 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>SCH 40 VS SCH 40S<\/strong>A premi\u00e8re vue, ces deux termes semblent presque identiques.Cependant, cette simple lettre \u201cS\u201d a des implications importantes en ce qui concerne les normes des mat\u00e9riaux et les dimensions de l'\u00e9paisseur des parois.Le choix d'une mauvaise sp\u00e9cification peut entra\u00eener des probl\u00e8mes de compatibilit\u00e9 entre les mat\u00e9riaux et les parois. <a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">tuyaux en acier inoxydable<\/a>,Ce guide clarifie les relations entre ces sp\u00e9cifications et vous aide \u00e0 maintenir une infrastructure de tuyauterie performante.\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-6b1242d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b1242d\" 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-f09ff51\" data-id=\"f09ff51\" 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-842f9c3 elementor-widget elementor-widget-heading\" data-id=\"842f9c3\" 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\">SCH 40 VS SCH 40S : Le \"S\" dans la nomenclature des tuyaux<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fff7911 elementor-widget elementor-widget-text-editor\" data-id=\"fff7911\" 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 \u201cS\u201d signifie \u201cacier inoxydable\u201d selon les normes ASME B36.19. Inversement, les programmes sans le \u201cS\u201d suivent g\u00e9n\u00e9ralement la norme ASME B36.10, qui couvre les tuyaux en acier au carbone.\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-396f99a elementor-widget elementor-widget-text-editor\" data-id=\"396f99a\" 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\tHistoriquement, les ing\u00e9nieurs ont cr\u00e9\u00e9 les nomenclatures \u201cS\u201d afin de r\u00e9aliser des \u00e9conomies sur les alliages co\u00fbteux.L'acier inoxydable offrant une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion, il ne n\u00e9cessite pas la m\u00eame \u201ctol\u00e9rance \u00e0 la corrosion\u201d que l'acier au carbone.Par cons\u00e9quent, de nombreuses nomenclatures \u201cS\u201d pr\u00e9sentent des parois plus minces que leurs homologues en acier au carbone.Toutefois, pour la nomenclature 40 en particulier, les dimensions se chevauchent souvent en fonction de la taille du tuyau.\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-35f8e5b elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"35f8e5b\" 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-bbe0e35\" data-id=\"bbe0e35\" 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-e2dfc8d elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"e2dfc8d\" 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-335f22d elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"335f22d\" 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-d624fa0 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"d624fa0\" 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-89f73cd\" data-id=\"89f73cd\" 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-8593e7b elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8593e7b\" 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-0bc1260 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"0bc1260\" 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-6d250d6 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d250d6\" 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-2b95aa4\" data-id=\"2b95aa4\" 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-4130fe0 elementor-widget elementor-widget-heading\" data-id=\"4130fe0\" 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\">SCH 40 VS SCH 40S : Comparaison dimensionnelle<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8a29f7c elementor-widget elementor-widget-text-editor\" data-id=\"8a29f7c\" 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\tLorsque l'on compare les <a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tuyau-sch-40\/\" target=\"_blank\" rel=\"noopener\">Tube SCH 40<\/a> et <a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tube-sch-40s\/\" target=\"_blank\" rel=\"noopener\">Tube SCH 40S<\/a>,Pour de nombreuses dimensions courantes, l'\u00e9paisseur de la paroi est exactement la m\u00eame dans les deux cat\u00e9gories. Par exemple, un tuyau de 2 pouces a une \u00e9paisseur de paroi de 0,154 pouce dans les deux cat\u00e9gories.\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-d9e4e62 elementor-widget elementor-widget-text-editor\" data-id=\"d9e4e62\" 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\tCependant, les dimensions commencent \u00e0 diverger \u00e0 mesure que la taille du tuyau augmente.Dans les diam\u00e8tres plus importants, SCH 40 (acier au carbone) devient g\u00e9n\u00e9ralement plus \u00e9pais que SCH 40S (acier inoxydable).Cette distinction est vitale lorsque vous soudez un joint \u00e0 bride.Si la paroi du tuyau est plus mince que le moyeu de la bride, vous serez confront\u00e9 \u00e0 des probl\u00e8mes d'alignement lors du soudage de proc\u00e9dures en acier inoxydable.\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-af1f4a4 elementor-widget elementor-widget-heading\" data-id=\"af1f4a4\" 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\">Tableau de donn\u00e9es sur l'\u00e9paisseur des parois (NPS 1\/2 \u00e0 12)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-78b8ce8 elementor-widget elementor-widget-text-editor\" data-id=\"78b8ce8\" 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>Taille nominale du tuyau (NPS)<\/th>\n<th>Diam\u00e8tre ext\u00e9rieur (OD)<\/th>\n<th>SCH 40 \u00c9paisseur de la paroi<\/th>\n<th>SCH 40S \u00c9paisseur de la paroi<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">1\/2 po<\/td>\n<td>0.840\u2033<\/td>\n<td colspan=\"2\">0.109\u2033<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">2 pouces<\/td>\n<td>2.375\u2033<\/td>\n<td colspan=\"2\">0.154\u2033<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">8 pouces<\/td>\n<td>8.625\u2033<\/td>\n<td colspan=\"2\">0.322\u2033<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">10 pouces<\/td>\n<td>10.750\u2033<\/td>\n<td>0.365\u2033<\/td>\n<td>0.312\u2033<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">12 pouces<\/td>\n<td>12.750\u2033<\/td>\n<td>0.406\u2033<\/td>\n<td>0.312\u2033<\/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-aa2aa06 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"aa2aa06\" 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-504244c\" data-id=\"504244c\" 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-d6a30c5 elementor-widget elementor-widget-heading\" data-id=\"d6a30c5\" 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\">Pression nominale et r\u00e9sistance des 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-97467c2 elementor-widget elementor-widget-text-editor\" data-id=\"97467c2\" 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\tM\u00eame si les dimensions correspondent, un tuyau en acier inoxydable SCH 40S peut avoir une pression nominale diff\u00e9rente de celle d'un tuyau en acier au carbone SCH 40.\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-7072d66 elementor-widget elementor-widget-text-editor\" data-id=\"7072d66\" 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\tCette diff\u00e9rence s'explique par le fait que l'acier inoxydable et l'acier au carbone ont des valeurs de contrainte admissibles diff\u00e9rentes \u00e0 diverses temp\u00e9ratures.Pour la vapeur \u00e0 haute pression ou le transport de produits chimiques, vous devez v\u00e9rifier la qualit\u00e9 sp\u00e9cifique, telle que 304L ou 316L.Les parois plus minces dans les tailles SCH 40S plus grandes signifient que vous devez faire attention aux conditions de vide ou aux charges de pression externes.Faites toujours des r\u00e9f\u00e9rences crois\u00e9es avec vos raccords de tuyaux en acier inoxydable pour vous assurer qu'ils correspondent au diam\u00e8tre du tuyau.\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-c1866ad e-flex e-con-boxed e-con e-parent\" data-id=\"c1866ad\" 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-4dc1ff8 elementor-cta--layout-image-left elementor-cta--mobile-layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"4dc1ff8\" 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<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\/2026\/01\/SCH-40-VS-SCH-40S-CTA.webp);\" role=\"img\" aria-label=\"SCH 40 VS SCH 40S - 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\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-781f555 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"781f555\" 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-83c82f6\" data-id=\"83c82f6\" 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-9780278 elementor-widget elementor-widget-heading\" data-id=\"9780278\" 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\">Impact sur les raccords, les brides et les vannes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9477399 elementor-widget elementor-widget-text-editor\" data-id=\"9477399\" 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\tSi vous commandez une bride SCH 40 pour un tuyau SCH 40S de 12 pouces, les diam\u00e8tres internes ne correspondent pas, ce qui cr\u00e9e une \u201cl\u00e8vre\u201d ou un \u201c\u00e9paulement\u201d \u00e0 l'int\u00e9rieur du tuyau.\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-8b414d1 elementor-widget elementor-widget-text-editor\" data-id=\"8b414d1\" 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>Ce d\u00e9calage est \u00e0 l'origine de deux probl\u00e8mes majeurs :<\/p><ul><li data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\">Turbulences :<\/b>La surface irr\u00e9guli\u00e8re perturbe l'\u00e9coulement des fluides et provoque l'\u00e9rosion.<\/li><li data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\">Questions d'hygi\u00e8ne :<\/b>Dans les lignes alimentaires ou pharmaceutiques, l'espace emprisonne les bact\u00e9ries et emp\u00eache un nettoyage correct.<\/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-37ac12b elementor-widget elementor-widget-text-editor\" data-id=\"37ac12b\" 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\tPar cons\u00e9quent, lorsque vous commandez des raccords de tuyauterie en acier inoxydable, veillez \u00e0 sp\u00e9cifier la d\u00e9signation \u201cS\u201d. Cette \u00e9tape permet d'assurer des transitions fluides dans l'ensemble du syst\u00e8me, pr\u00e9servant ainsi l'int\u00e9grit\u00e9 de chaque joint \u00e0 brides.\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-63577b1 elementor-widget elementor-widget-heading\" data-id=\"63577b1\" 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\">R\u00e9sum\u00e9 de la demande<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-193d7ff elementor-widget elementor-widget-text-editor\" data-id=\"193d7ff\" 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>Exigence<\/th>\n<th>Horaire pr\u00e9f\u00e9rentiel<\/th>\n<th>Raison<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">R\u00e9sistance \u00e9lev\u00e9e \u00e0 la corrosion<\/td>\n<td rowspan=\"2\">SCH 40S<\/td>\n<td>Utilise des alliages d'acier inoxydable (304\/316)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Projets sensibles au poids<\/td>\n<td>Les parois plus minces des grandes tailles r\u00e9duisent le poids total<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Pression sur les grands diam\u00e8tres<\/td>\n<td rowspan=\"2\">SCH 40<\/td>\n<td>Offre des parois plus \u00e9paisses dans les tailles sup\u00e9rieures \u00e0 NPS 10<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Utilisation structurelle g\u00e9n\u00e9rale<\/td>\n<td>Dimensions normalis\u00e9es pour l'acier au carbone<\/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-fa0eb56 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fa0eb56\" 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-759553f\" data-id=\"759553f\" 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-f36318f elementor-widget elementor-widget-heading\" data-id=\"f36318f\" 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\">SCH 40 vs SCH 40S : les d\u00e9fis du soudage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95c4c22 elementor-widget elementor-widget-text-editor\" data-id=\"95c4c22\" 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 soudage de l'acier inoxydable sur SCH 40S n\u00e9cessite une approche diff\u00e9rente de celle du soudage de l'acier au carbone.L'acier inoxydable retient la chaleur plus longtemps et se dilate plus rapidement.Comme les tuyaux SCH 40S peuvent \u00eatre plus minces dans les grandes dimensions, le risque de \u201cburn-through\u201d augmente.\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-5dd5287 elementor-widget elementor-widget-text-editor\" data-id=\"5dd5287\" 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 techniciens de Kaysuns doivent utiliser un apport de chaleur plus faible et des gaz de protection sp\u00e9cialis\u00e9s comme l'argon.En outre,la passe de racine doit \u00eatre parfaite pour maintenir la couche passive \u00e0 l'int\u00e9rieur du tube.Si vous raccordez un tube SCH 40S \u00e0 un composant SCH 40,vous devez utiliser des pi\u00e8ces de transition sp\u00e9cialis\u00e9es ou des couches de beurrage pour g\u00e9rer les diff\u00e9rences m\u00e9tallurgiques et dimensionnelles.\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-06be2a9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06be2a9\" 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-7c92056\" data-id=\"7c92056\" 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-ddf3f14 elementor-widget elementor-widget-heading\" data-id=\"ddf3f14\" 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-fb3cd6b elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"fb3cd6b\" 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-81b2974 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=\"81b2974\" 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-1fe958c elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"1fe958c\" 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-59aa078 e-grid-align-left elementor-shape-square elementor-grid-0 elementor-widget elementor-widget-social-icons\" data-id=\"59aa078\" 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-e3e6c34\" data-id=\"e3e6c34\" 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-2c7c4f2 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"2c7c4f2\" 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=\"56716\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"2c7c4f2\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"SCH 40 VS SCH 40S,What&#039;s The Difference? | Kaysuns\" \/>\n\n\t\t\t\t\t\t\t<input type=\"hidden\" name=\"queried_id\" value=\"56716\"\/>\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=\"This file exceeds the maximum allowed size.\">\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\" data-sitekey=\"6LdwwZUbAAAAAK75C0Nw7twMoqOmGrEq3AAkFLOy\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" 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