{"id":55778,"date":"2025-12-22T07:48:38","date_gmt":"2025-12-22T07:48:38","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=55778"},"modified":"2026-03-30T07:19:49","modified_gmt":"2026-03-30T07:19:49","slug":"quest-ce-que-nace-mr0175-iso-15156","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/quest-ce-que-nace-mr0175-iso-15156\/","title":{"rendered":"Qu'est-ce que la norme NACE MR0175 \/ ISO 15156 ?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"55778\" class=\"elementor elementor-55778\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5babc4c e-flex e-con-boxed e-con e-parent\" data-id=\"5babc4c\" 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-eeaed2b elementor-widget elementor-widget-text-editor\" data-id=\"eeaed2b\" 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>NACE MR0175 \/ ISO 15156<\/strong> est la norme internationale qui r\u00e9git le choix des mat\u00e9riaux utilis\u00e9s dans la production p\u00e9troli\u00e8re et gazi\u00e8re dans des environnements acides. Plus pr\u00e9cis\u00e9ment, elle d\u00e9finit les exigences essentielles pour les m\u00e9taux expos\u00e9s au sulfure d'hydrog\u00e8ne (H<sub>2<\/sub>S). Pour les ing\u00e9nieurs g\u00e9rant des syst\u00e8mes \u00e0 haute int\u00e9grit\u00e9 <a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">tuyau en acier inoxydable<\/a> Elle garantit que les mat\u00e9riaux peuvent r\u00e9sister \u00e0 des attaques chimiques agressives sans d\u00e9faillance soudaine et catastrophique. En suivant ces r\u00e8gles, les industries prot\u00e8gent \u00e0 la fois leur personnel et l'environnement.<\/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-42b8046 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"42b8046\" 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-f44dd02\" data-id=\"f44dd02\" 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-a8953e3 elementor-widget elementor-widget-heading\" data-id=\"a8953e3\" 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\">Le c\u0153ur de la norme NACE MR0175 \/ ISO 15156<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc78f14 elementor-widget elementor-widget-text-editor\" data-id=\"fc78f14\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLa norme vise principalement \u00e0 pr\u00e9venir les d\u00e9faillances des mat\u00e9riaux dans les environnements \u201c acides \u201d. Un environnement acide contient de l'eau et du H<sub>2<\/sub>S \u00e0 sp\u00e9cifique <a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/conversion-de-la-pression-nominale-des-brides-ss\/\" target=\"_blank\" rel=\"noopener\">niveaux de pression<\/a>.Dans ces conditions, les m\u00e9taux standard deviennent souvent fragiles et se fissurent. Par cons\u00e9quent, l'industrie a cr\u00e9\u00e9 la norme NACE MR0175 pour d\u00e9finir quels alliages peuvent \u00eatre utilis\u00e9s en toute s\u00e9curit\u00e9.\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-807ae47 elementor-widget elementor-widget-text-editor\" data-id=\"807ae47\" 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>En 2003, la NACE s'est associ\u00e9e \u00e0 l'ISO pour cr\u00e9er une norme mondiale unifi\u00e9e. Aujourd'hui, la norme ISO 15156 comprend trois parties :<\/p><ol><li>Principes g\u00e9n\u00e9raux pour le choix des mat\u00e9riaux.<\/li><li>Exigences relatives aux aciers au carbone et faiblement alli\u00e9s r\u00e9sistants \u00e0 la fissuration.<\/li><li>Exigences relatives aux alliages r\u00e9sistants \u00e0 la corrosion et \u00e0 la fissuration (ARC), y compris diverses nuances d'acier inoxydable.<\/li><\/ol>\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-82b69ac elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"82b69ac\" 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-8ff61d6\" data-id=\"8ff61d6\" 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-40dbd29 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"40dbd29\" 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-e455945 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"e455945\" 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-0961a55 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"0961a55\" 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-3f565ba\" data-id=\"3f565ba\" 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-f2a9b98 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"f2a9b98\" 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-d9ff082 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"d9ff082\" 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-7987c2d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7987c2d\" 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-2fe65ab\" data-id=\"2fe65ab\" 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-1deb389 elementor-widget elementor-widget-heading\" data-id=\"1deb389\" 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\">La relation entre la norme NACE MR0175 et l'acier inoxydable<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b75a9f0 elementor-widget elementor-widget-text-editor\" data-id=\"b75a9f0\" 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>L'acier inoxydable est l'un des principaux mat\u00e9riaux utilis\u00e9s dans les infrastructures de tuyauterie modernes. Cependant, tous les aciers inoxydables ne sont pas adapt\u00e9s \u00e0 une utilisation en milieu acide. La relation entre la norme NACE MR0175 et l'acier inoxydable est d\u00e9finie par les limites chimiques et le traitement m\u00e9canique.<\/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-c88ef4c elementor-widget elementor-widget-text-editor\" data-id=\"c88ef4c\" 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>Par exemple, la norme impose des limites strictes \u00e0 la duret\u00e9 des <a href=\"https:\/\/www.kaysuns.com\/fr\/raccords-de-tuyauterie-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">raccords de tuyauterie en acier inoxydable<\/a> Une duret\u00e9 \u00e9lev\u00e9e est souvent synonyme de r\u00e9sistance \u00e9lev\u00e9e, mais elle augmente \u00e9galement le risque de fissuration.C'est pourquoi la norme impose souvent des traitements thermiques sp\u00e9cifiques, tels que le recuit de mise en solution.Ces proc\u00e9d\u00e9s garantissent que le m\u00e9tal conserve une microstructure uniforme.Cette uniformit\u00e9 est vitale pour r\u00e9sister aux conditions difficiles que l'on trouve dans les puits de forage en haute mer ou dans les raffineries chimiques.<\/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-58e2279 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"58e2279\" 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-0d8fa89\" data-id=\"0d8fa89\" 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-0ca7a8b elementor-widget elementor-widget-heading\" data-id=\"0ca7a8b\" 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\">NACE MR0175 et fissuration sous contrainte par les sulfures<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5af458b elementor-widget elementor-widget-text-editor\" data-id=\"5af458b\" 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 menace la plus dangereuse dans un environnement acide est la fissuration sous contrainte par le sulfure (SSC). Il s'agit d'une forme de fragilisation par l'hydrog\u00e8ne qui se produit lorsqu'une contrainte de traction rencontre une contrainte de H<sub>2<\/sub>S et eau.<\/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-a96d4bf elementor-widget elementor-widget-text-editor\" data-id=\"a96d4bf\" 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>Comment \u00e7a marche ? Quand H<sub>2<\/sub>Le S r\u00e9agit avec la surface de l'acier et lib\u00e8re de l'hydrog\u00e8ne atomique. Ces minuscules atomes p\u00e9n\u00e8trent dans le r\u00e9seau cristallin du tuyau en acier inoxydable. Une fois \u00e0 l'int\u00e9rieur, ils s'accumulent aux joints de grains et cr\u00e9ent une pression interne. Si le mat\u00e9riau est trop dur ou soumis \u00e0 une contrainte trop importante, il se brise. La norme NACE MR0175 agit comme un bouclier contre ce ph\u00e9nom\u00e8ne.Elle sp\u00e9cifie la duret\u00e9 maximale admissible et les limites environnementales (temp\u00e9rature, pH et niveaux de chlorure) afin d'emp\u00eacher le SSC de se d\u00e9velopper.<\/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-ccec98a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ccec98a\" 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-05dca1f\" data-id=\"05dca1f\" 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-5c55e92 elementor-widget elementor-widget-heading\" data-id=\"5c55e92\" 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\">Limites environnementales des mat\u00e9riaux pour les aciers inoxydables<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13bed09 elementor-widget elementor-widget-text-editor\" data-id=\"13bed09\" 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 tableau r\u00e9sume les limites environnementales typiques pour les cat\u00e9gories courantes d'acier inoxydable selon la norme NACE MR0175.<br \/>Remarque : ces limites varient en fonction du pH et de l'application sp\u00e9cifiques. Consultez toujours la derni\u00e8re \u00e9dition de la norme pour obtenir des informations techniques pr\u00e9cises.\n\n&nbsp;\n<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Cat\u00e9gorie de mat\u00e9riau<\/th>\n<th>Grade typique<\/th>\n<th>Temp\u00e9rature maximale<\/th>\n<th>Max H<sub>2<\/sub>Pression partielle (psia)<\/th>\n<th>Chlorures max. (mg\/L)<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">aust\u00e9nitique<\/td>\n<td>316L<\/td>\n<td>60 \u00b0C | 140 \u00b0F<\/td>\n<td>15<\/td>\n<td>1000<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Duplex<\/td>\n<td>2205<\/td>\n<td>232 \u00b0C | 449,6 \u00b0F<\/td>\n<td>0.3<\/td>\n<td>160,000<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Super Duplex<\/td>\n<td>2507<\/td>\n<td>232 \u00b0C | 449,6 \u00b0F<\/td>\n<td>3.0<\/td>\n<td>160,000<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Alliage de nickel<\/td>\n<td>Inconel 625<\/td>\n<td>Sans limite<\/td>\n<td>Sans limite<\/td>\n<td>Sans limite<\/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-16d5268 e-flex e-con-boxed e-con e-parent\" data-id=\"16d5268\" 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-70ba9ba 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=\"70ba9ba\" 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\/2025\/12\/What-is-NACE-MR0175-CTA.webp);\" role=\"img\" aria-label=\"Qu&#039;est-ce que la norme NACE MR0175 - 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-7b1deaf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7b1deaf\" 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-26be2c4\" data-id=\"26be2c4\" 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-a7e501c elementor-widget elementor-widget-heading\" data-id=\"a7e501c\" 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\">Pourquoi la conformit\u00e9 est-elle importante pour les syst\u00e8mes de tuyauterie ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5b07539 elementor-widget elementor-widget-text-editor\" data-id=\"5b07539\" 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>Dans un syst\u00e8me de tuyauterie, le maillon le plus faible d\u00e9termine la s\u00e9curit\u00e9 de l'ensemble de la ligne.Si une seule bride ou une seule vanne tombe en panne \u00e0 cause d'une fissuration par corrosion sous tension, les cons\u00e9quences peuvent \u00eatre mortelles.C'est pourquoi chaque composant doit \u00eatre certifi\u00e9.<\/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-749f9b1 elementor-widget elementor-widget-text-editor\" data-id=\"749f9b1\" 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<ol><li data-path-to-node=\"22,0,0\"><b data-path-to-node=\"22,0,0\" data-index-in-node=\"0\">Tra\u00e7abilit\u00e9 des mat\u00e9riaux :<br \/><\/b>Ce document prouve que la composition chimique et la duret\u00e9 sont conformes aux exigences de la norme NACE MR0175.<\/li><li data-path-to-node=\"22,1,0\"><b data-path-to-node=\"22,1,0\" data-index-in-node=\"0\">Contr\u00f4le de la fabrication :<br \/><\/b>Le soudage peut augmenter la duret\u00e9 de la zone affect\u00e9e thermiquement (ZAT). La conformit\u00e9 exige des proc\u00e9dures de soudage appropri\u00e9es afin de maintenir la ZAT dans des limites s\u00fbres.<\/li><li data-path-to-node=\"22,2,0\"><b data-path-to-node=\"22,2,0\" data-index-in-node=\"0\">Fiabilit\u00e9 \u00e0 long terme :<br \/><\/b>L'utilisation de mat\u00e9riaux conformes \u00e0 la norme NACE r\u00e9duit le besoin d'inhibiteurs de corrosion co\u00fbteux, ce qui se traduit par un co\u00fbt de cycle de vie inf\u00e9rieur pour l'actif.<\/li><\/ol>\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-5101d73 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5101d73\" 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-2a37b24\" data-id=\"2a37b24\" 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-4abd126 elementor-widget elementor-widget-heading\" data-id=\"4abd126\" 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\">Exigences courantes en mati\u00e8re de duret\u00e9 dans la norme NACE MR0175<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-240f968 elementor-widget elementor-widget-text-editor\" data-id=\"240f968\" 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 contr\u00f4le de la duret\u00e9 est le moyen le plus pratique de garantir la s\u00e9curit\u00e9 d'un composant dans des conditions de service acides. Vous trouverez ci-dessous les limites de duret\u00e9 types pour divers composants de tuyauterie.\n<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Type de composant<\/th>\n<th>Qualit\u00e9 des mat\u00e9riaux<\/th>\n<th>Limite de duret\u00e9 (HRC)<\/th>\n<th>Exigence standard<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Tube en acier inoxydable<\/td>\n<td>316\/316L<\/td>\n<td>\u2264 22 HRC<\/td>\n<td>Solution recuite<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Raccords de tuyauterie<\/td>\n<td>Duplex 2205<\/td>\n<td>\u2264 28 HRC<\/td>\n<td>\u00c9quilibre de phase 40-60%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Brides et vannes<\/td>\n<td>Martensitique 410<\/td>\n<td>\u2264 22 HRC<\/td>\n<td>Double trempe requise<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Boulonnerie\/Fixations<\/td>\n<td>B7M \/ L7M<\/td>\n<td>\u2264 22 HRC<\/td>\n<td>Niveaux de stress contr\u00f4l\u00e9s<\/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-42b3e99 e-flex e-con-boxed e-con e-parent\" data-id=\"42b3e99\" 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-f367f27 elementor-widget elementor-widget-text-editor\" data-id=\"f367f27\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLa norme NACE MR0175 \/ ISO 15156 est plus qu'une simple liste de r\u00e8gles. Il s'agit d'un syst\u00e8me de s\u00e9curit\u00e9 complet con\u00e7u pour pr\u00e9venir les d\u00e9faillances catastrophiques de l'acier inoxydable dans les environnements acides. En comprenant le lien entre la duret\u00e9 des mat\u00e9riaux, les conditions environnementales et la fissuration sous contrainte par les sulfures, les ing\u00e9nieurs peuvent construire des syst\u00e8mes de tuyauterie qui dureront des d\u00e9cennies. Que vous choisissiez un tuyau en acier inoxydable ou des raccords complexes, la conformit\u00e9 \u00e0 la norme NACE reste la r\u00e9f\u00e9rence en mati\u00e8re d'int\u00e9grit\u00e9 industrielle.\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-1986ace elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1986ace\" 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-14fb58d\" data-id=\"14fb58d\" 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-f14485f elementor-widget elementor-widget-heading\" data-id=\"f14485f\" 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-251b858 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"251b858\" 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-c423502 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=\"c423502\" 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-e26ddc0 elementor-widget-divider--view-line_text elementor-widget-divider--element-align-left elementor-widget elementor-widget-divider\" data-id=\"e26ddc0\" 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-f09269a e-grid-align-left elementor-shape-square elementor-grid-0 elementor-widget elementor-widget-social-icons\" data-id=\"f09269a\" 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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