{"id":4375,"date":"2026-06-17T14:04:43","date_gmt":"2026-06-17T06:04:43","guid":{"rendered":"https:\/\/www.pansvalve.com\/?p=4375"},"modified":"2026-07-22T11:08:12","modified_gmt":"2026-07-22T03:08:12","slug":"ss-gate-valve-grade-comparison","status":"publish","type":"post","link":"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/","title":{"rendered":"Vannes \u00e0 guillotine en acier inoxydable\u00a0: nuances CF8, CF8M, 316L, applications et comparaison de la r\u00e9sistance \u00e0 la corrosion"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#How_Do_You_Choose_The_Right_SS_Gate_Valve_Grade\" >Comment choisir la qualit\u00e9 de vanne \u00e0 guillotine en acier inoxydable appropri\u00e9e ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Where_CF8_Makes_Sense\" >O\u00f9 CF8 a du sens<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Why_CF8M_Is_Often_Chosen_For_Tougher_Service\" >Pourquoi le CF8M est souvent choisi pour les services plus exigeants<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Where_316L_Fits_Into_The_Order\" >O\u00f9 se situe l&#039;acier inoxydable 316L dans la commande<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Which_Stainless_Gate_Valve_Grade_Fits_Each_Service_Condition\" >Quelle nuance de vanne \u00e0 guillotine en acier inoxydable convient \u00e0 chaque condition de service\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Where_Are_Stainless_Steel_Gate_Valves_Commonly_Used\" >O\u00f9 les vannes \u00e0 guillotine en acier inoxydable sont-elles couramment utilis\u00e9es\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#What_Details_Should_Buyers_Send_Before_A_Stainless_Valve_Quote\" >Quelles informations les acheteurs doivent-ils fournir avant de demander un devis pour une vanne en acier inoxydable\u00a0?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Grade_Selection_Questions_Buyers_Ask\" >Questions que se posent les acheteurs sur le choix de la qualit\u00e9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/ss-gate-valve-grade-comparison\/#Match_The_Grade_To_The_Corrosion_Risk\" >Choisir le niveau de corrosion adapt\u00e9 au risque de corrosion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Le choix d&#039;une vanne \u00e0 guillotine en acier inoxydable ne se limite pas \u00e0 la simple exigence d&#039;inox pour la canalisation. La nuance d&#039;acier doit \u00eatre adapt\u00e9e au fluide, \u00e0 la m\u00e9thode de nettoyage, \u00e0 la concentration en chlorures, \u00e0 la temp\u00e9rature et aux conditions environnementales du site. L&#039;acier CF8 convient parfaitement aux applications mod\u00e9r\u00e9es, tandis que les aciers CF8M et 316L sont g\u00e9n\u00e9ralement privil\u00e9gi\u00e9s lorsque les risques de corrosion, l&#039;exposition aux lavages fr\u00e9quents ou les exigences de soudage deviennent plus importants.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un service d&#039;isolation standard en acier inoxydable, le PANS <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/understanding-wedge-gate-valve\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/blog\/gate-valve\/understanding-wedge-gate-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">vanne \u00e0 cale<\/a> Cette page produit est utile \u00e0 consulter en amont. Elle permet aux acheteurs de faire le lien entre les caract\u00e9ristiques des mat\u00e9riaux et la conception concr\u00e8te d&#039;une vanne \u00e0 guillotine avant m\u00eame que les d\u00e9tails concernant la garniture, la bride et les tests ne soient finalis\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Do_You_Choose_The_Right_SS_Gate_Valve_Grade\"><\/span><strong>Comment choisir la qualit\u00e9 de vanne \u00e0 guillotine en acier inoxydable appropri\u00e9e ?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le terme \u201c inox \u201d peut laisser penser qu&#039;une vanne est par\u00e9e pour tout type de fluide corrosif. C&#039;est l\u00e0 que commencent de nombreuses erreurs de choix de mat\u00e9riaux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une vanne raccord\u00e9e \u00e0 un r\u00e9seau d&#039;eau potable int\u00e9rieur n&#039;est pas soumise aux m\u00eames conditions qu&#039;une vanne situ\u00e9e \u00e0 proximit\u00e9 d&#039;air salin, de syst\u00e8mes de lavage chimique, de syst\u00e8mes de dosage ou de liquides de process stagnants. Ces facteurs influent sur le comportement de l&#039;acier inoxydable au fil du temps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix du grade de fluide doit donc commencer par le fluide lui-m\u00eame. Il faut ensuite v\u00e9rifier la temp\u00e9rature, la teneur en chlorures, les produits de nettoyage, la pression et s&#039;assurer que du liquide ne stagne pas \u00e0 l&#039;int\u00e9rieur de la vanne apr\u00e8s fermeture.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La norme ASTM A351 est fr\u00e9quemment utilis\u00e9e pour les pi\u00e8ces sous pression en acier inoxydable moul\u00e9. Cette sp\u00e9cification couvre les pi\u00e8ces moul\u00e9es en acier aust\u00e9nitique destin\u00e9es aux vannes, brides, raccords et autres pi\u00e8ces sous pression. Elle \u00e9tablit \u00e9galement un lien entre le choix de la nuance d&#039;acier et les conditions de service ainsi que la r\u00e9sistance \u00e0 la corrosion.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_CF8_Makes_Sense\"><\/span><strong>O\u00f9 CF8 a du sens<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;acier inoxydable CF8 est couramment utilis\u00e9 lorsque la conduite n\u00e9cessite une meilleure r\u00e9sistance \u00e0 la corrosion que l&#039;acier au carbone, tout en restant soumise \u00e0 des conditions d&#039;utilisation relativement douces. Il est souvent compar\u00e9 \u00e0 l&#039;acier inoxydable 304 moul\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette nuance convient \u00e0 l&#039;eau claire, \u00e0 l&#039;air, aux fluides industriels l\u00e9gers et \u00e0 certaines applications chimiques mod\u00e9r\u00e9es. Elle offre un bon compromis entre r\u00e9sistance \u00e0 la corrosion et co\u00fbt, notamment lorsque le projet ne justifie pas l&#039;utilisation d&#039;un acier inoxydable \u00e0 alliage plus puissant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La mise en garde est simple\u00a0: le CF8 ne doit pas \u00eatre consid\u00e9r\u00e9 comme une solution miracle. Si des chlorures s\u2019accumulent sur la vanne, si le liquide stagne ou si des produits de nettoyage restent en surface, le CF8 risque de perdre son efficacit\u00e9. La vanne peut s\u2019installer sans probl\u00e8me, puis pr\u00e9senter des signes de corrosion ult\u00e9rieurement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_CF8M_Is_Often_Chosen_For_Tougher_Service\"><\/span><strong>Pourquoi le CF8M est souvent choisi pour les services plus exigeants<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;acier CF8M est souvent compar\u00e9 \u00e0 l&#039;acier inoxydable 316 moul\u00e9. Sa teneur en molybd\u00e8ne lui conf\u00e8re une meilleure r\u00e9sistance que l&#039;acier CF8 dans de nombreux environnements contenant des chlorures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est pourquoi le choix entre une vanne CF8 et une vanne CF8M est important dans les installations c\u00f4ti\u00e8res, les syst\u00e8mes d\u2019eau de refroidissement, les conduites de produits chimiques et les zones de lavage. Une vanne \u00e0 guillotine CF8M peut co\u00fbter plus cher \u00e0 l\u2019achat, mais elle est plus facile \u00e0 prot\u00e9ger contre la corrosion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La ressource sur l&#039;acier inoxydable du Nickel Institute explique comment les \u00e9l\u00e9ments d&#039;alliage influencent les propri\u00e9t\u00e9s de l&#039;acier inoxydable, notamment sa r\u00e9sistance \u00e0 la corrosion. En mati\u00e8re de choix de vannes, cela signifie que la composition chimique doit \u00eatre d\u00e9termin\u00e9e par l&#039;exp\u00e9rience et non par les habitudes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_316L_Fits_Into_The_Order\"><\/span><strong>O\u00f9 se situe l&#039;acier inoxydable 316L dans la commande<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;acier inoxydable 316L est souvent mentionn\u00e9 dans les projets de vannes en acier inoxydable, mais ce n&#039;est pas toujours le terme appropri\u00e9 pour chaque partie de la vanne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;acier CF8M est un acier moul\u00e9. L&#039;acier 316L est un acier corroy\u00e9 \u00e0 faible teneur en carbone. Il est souvent utilis\u00e9 pour des pi\u00e8ces fabriqu\u00e9es ou soud\u00e9es plut\u00f4t que pour des corps de vannes moul\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le \u201c\u00a0L\u00a0\u201d signifie \u00ab\u00a0faible teneur en carbone\u00a0\u00bb. Cela peut s&#039;av\u00e9rer avantageux en cas de soudage, car une faible teneur en carbone r\u00e9duit certains risques de corrosion autour des zones soud\u00e9es. Si un projet comprend des extensions soud\u00e9es, des assemblages fabriqu\u00e9s ou une exigence directe d&#039;acier inoxydable 316L, veuillez le pr\u00e9ciser clairement dans votre demande.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour un corps de vanne moul\u00e9, v\u00e9rifiez que la qualit\u00e9 de moulage CF8M est bien celle accept\u00e9e avant de passer commande.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Which_Stainless_Gate_Valve_Grade_Fits_Each_Service_Condition\"><\/span><strong>Quelle nuance de vanne \u00e0 guillotine en acier inoxydable convient \u00e0 chaque condition de service\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Utilisez ce tableau comme filtre rapide avant de demander un prix. Le mat\u00e9riau final doit n\u00e9anmoins respecter le cahier des charges du projet.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Conditions de service<\/strong><\/td><td><strong>Note \u00e0 r\u00e9viser en premier<\/strong><\/td><td><strong>Pourquoi cela pourrait convenir<\/strong><\/td><\/tr><tr><td>eau propre ou service int\u00e9rieur temp\u00e9r\u00e9<\/td><td>acier inoxydable CF8<\/td><td>Bonne r\u00e9sistance \u00e0 la corrosion sans avoir recours \u00e0 un alliage plus co\u00fbteux<\/td><\/tr><tr><td>Exposition \u00e0 l&#039;air c\u00f4tier ou aux chlorures<\/td><td>CF8M<\/td><td>Meilleure protection que le CF8 dans de nombreuses conditions chlor\u00e9es<\/td><\/tr><tr><td>Nettoyage chimique ou lavage<\/td><td>CF8M ou nuance d&#039;acier inoxydable sp\u00e9cifi\u00e9e<\/td><td>Une plus grande marge de man\u0153uvre est possible lorsque les r\u00e9sidus restent en surface.<\/td><\/tr><tr><td>Assemblages soud\u00e9s en acier inoxydable<\/td><td>acier inoxydable 316L<\/td><td>La faible empreinte carbone contribue \u00e0 r\u00e9pondre aux exigences li\u00e9es au soudage<\/td><\/tr><tr><td>Service chimique s\u00e9v\u00e8re ou \u00e0 haute teneur en chlorure<\/td><td>acier inoxydable ou alliage sp\u00e9cial<\/td><td>Les qualit\u00e9s standard d&#039;acier inoxydable peuvent ne pas suffire.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;objectif n&#039;est pas d&#039;acheter syst\u00e9matiquement la qualit\u00e9 la plus ch\u00e8re, mais d&#039;\u00e9viter d&#039;utiliser une qualit\u00e9 standard sur une ligne qui la mettrait \u00e0 rude \u00e9preuve.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724710-1024x512.webp\" alt=\"Applications courantes des vannes \u00e0 guillotine en acier inoxydable\" class=\"wp-image-4377\" style=\"width:564px;height:auto\" srcset=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724710-1024x512.webp 1024w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724710-300x150.webp 300w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724710-768x384.webp 768w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724710-18x9.webp 18w, https:\/\/www.pansvalve.com\/wp-content\/uploads\/2026\/06\/\u56fe\u724710.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Where_Are_Stainless_Steel_Gate_Valves_Commonly_Used\"><\/span><strong>O\u00f9 les vannes \u00e0 guillotine en acier inoxydable sont-elles couramment utilis\u00e9es\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les vannes \u00e0 guillotine en acier inoxydable sont utilis\u00e9es lorsque la canalisation n\u00e9cessite une r\u00e9sistance \u00e0 la corrosion, un contr\u00f4le pr\u00e9cis du fluide ou une meilleure protection contre l&#039;environnement. Le choix de la nuance appropri\u00e9e d\u00e9pend du fluide et des conditions du site.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Les vannes \u00e0 guillotine en acier inoxydable sont-elles utilis\u00e9es dans les zones de production alimentaire, de boissons et de lavage\u00a0?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le lavage \u00e0 grande eau peut \u00eatre plus agressif pour l&#039;inox qu&#039;il n&#039;y para\u00eet. La composition de l&#039;eau, les produits de nettoyage et les r\u00e9sidus de chlorure sont autant d&#039;\u00e9l\u00e9ments \u00e0 prendre en compte. Le CF8M est souvent plus s\u00fbr que le CF8 lorsque des liquides de nettoyage ou des chlorures sont pr\u00e9sents dans l&#039;environnement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Les vannes \u00e0 guillotine en acier inoxydable sont-elles utilis\u00e9es dans les stations de traitement des eaux et les installations c\u00f4ti\u00e8res\u00a0?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les vannes de traitement de l&#039;eau peuvent \u00eatre expos\u00e9es aux d\u00e9sinfectants, aux chlorures, aux zones de stagnation et aux intemp\u00e9ries. Les sites c\u00f4tiers ajoutent la pr\u00e9sence d&#039;air salin. Dans ces applications, le CF8M est souvent un choix plus judicieux que le CF8, sauf indication contraire dans la norme du projet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Les vannes \u00e0 guillotine en acier inoxydable sont-elles utilis\u00e9es dans les industries chimiques, \u00e9nerg\u00e9tiques et de transformation ?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les usines chimiques et les centrales \u00e9lectriques n\u00e9cessitent g\u00e9n\u00e9ralement un contr\u00f4le plus rigoureux des mat\u00e9riaux. Le milieu, la concentration et la temp\u00e9rature doivent \u00eatre clairement indiqu\u00e9s. Pour les applications sensibles aux fuites, les acheteurs peuvent \u00e9galement consulter les PANS.<a href=\"https:\/\/www.pansvalve.com\/fr\/products\/bellow-sealed-gate-valve\/\"> sous la vanne \u00e9tanche<\/a> lorsque l&#039;\u00e9tanch\u00e9it\u00e9 de la tige et le choix des mat\u00e9riaux sont tous deux importants.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Details_Should_Buyers_Send_Before_A_Stainless_Valve_Quote\"><\/span><strong>Quelles informations les acheteurs doivent-ils fournir avant de demander un devis pour une vanne en acier inoxydable\u00a0?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Une demande de renseignements concernant une vanne en acier inoxydable doit inclure le fluide, sa concentration, sa teneur en chlorures si elle est connue, sa temp\u00e9rature de service et sa pression., <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/butterfly-valve\/understanding-valve-sizing-for-optimal-selection\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/blog\/butterfly-valve\/understanding-valve-sizing-for-optimal-selection\/\" target=\"_blank\" rel=\"noreferrer noopener\">taille de la vanne<\/a>, norme de bride, m\u00e9thode de fonctionnement, nuance de mat\u00e9riau requise et documents d&#039;essai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La norme ASME B16.34 <a href=\"https:\/\/www.pansvalve.com\/fr\/blog\/gate-valve\/7-key-api-standards-for-gate-valves\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/blog\/gate-valve\/7-key-api-standards-for-gate-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">norme de vanne<\/a> Ce document est utile car il aborde les caract\u00e9ristiques de pression et de temp\u00e9rature des vannes, les mat\u00e9riaux, les essais et le marquage. Il permet ainsi de faire le lien entre le choix de la nuance d&#039;acier inoxydable et les limites de pression et de temp\u00e9rature.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Concernant la corrosion, le guide Outokumpu sur la corrosion de l&#039;acier inoxydable indique que la corrosion par piq\u00fbres et la corrosion caverneuse peuvent se produire dans les solutions chlor\u00e9es. Il explique \u00e9galement pourquoi le chrome, le molybd\u00e8ne et l&#039;azote peuvent am\u00e9liorer la r\u00e9sistance dans les environnements agressifs.<\/p>\n\n\n\n\n<style>\n    \/* \u5bfc\u5165 Poppins \u5b57\u4f53 *\/\n    @import url('https:\/\/fonts.googleapis.com\/css2?family=Poppins:wght@400;600&display=swap');\n\n    \/* \u6837\u5f0f\u9694\u79bb\uff1a\u6240\u6709\u6837\u5f0f\u90fd\u4ee5 .cldg-card- \u5f00\u5934\uff0c\u907f\u514d\u5f71\u54cd\u7f51\u7ad9\u5176\u4ed6\u90e8\u5206 *\/\n    .cldg-card-container {\n        display: flex;\n        flex-wrap: wrap; \n        width: 100%;\n        margin: 20px 0;\n        border: 1px solid #e0e0e0;\n        border-radius: 8px;\n        overflow: hidden; \n        background-color: #ffffff;\n        font-family: 'Poppins', Arial, sans-serif; \n        box-sizing: border-box;\n    }\n\n    .cldg-card-text-column {\n        flex: 55%; \n        padding: 30px;\n        display: flex;\n        flex-direction: column;\n        justify-content: center;\n        box-sizing: border-box;\n    }\n\n    .cldg-card-image-column {\n        flex: 45%; \n        min-height: 250px; \n        box-sizing: border-box;\n    }\n\n    .cldg-card-image-column a {\n        display: block;\n        width: 100%;\n        height: 100%;\n    }\n\n    .cldg-card-image-column img {\n        width: 100%;\n        height: 100%;\n        object-fit: cover; \n        display: block;\n        transition: transform 0.3s ease;\n    }\n\n    .cldg-card-image-column a:hover img {\n        transform: scale(1.03);\n    }\n\n    \/* SEO\u4f18\u5316\uff1a\u4f7f\u7528<p>\u6807\u7b7e\u4ee3\u66ffH3\uff0c\u907f\u514d\u6270\u4e71\u9875\u9762\u6807\u9898\u5c42\u7ea7 *\/\n    .cldg-card-title {\n        font-size: 24px;\n        font-weight: 600;\n        color: #111111;\n        margin-top: 0;\n        margin-bottom: 15px;\n        line-height: 1.3;\n        text-transform: capitalize;\n    }\n\n    .cldg-card-description {\n        font-size: 16px;\n        color: #444444;\n        line-height: 1.6;\n        margin-bottom: 20px;\n    }\n\n    .cldg-card-cta-button {\n        display: inline-block;\n        width: fit-content;\n        padding: 10px 26px; \n        font-size: 16px;\n        font-weight: 600;\n        color: #d70c19; \n        background-color: #ffffff; \n        border: 2px solid #d70c19; \n        border-radius: 5px;\n        text-decoration: none !important;\n        text-align: center;\n        transition: background-color 0.3s ease, color 0.3s ease;\n    }\n\n    .cldg-card-cta-button:hover {\n        background-color: #d70c19; \n        color: #ffffff !important; \n    }\n\n    \/* \u54cd\u5e94\u5f0f\u8bbe\u8ba1 *\/\n    @media (max-width: 768px) {\n        .cldg-card-container {\n            flex-direction: column-reverse; \/* \u79fb\u52a8\u7aef\u8ba9\u56fe\u7247\u5728\u4e0a\u65b9\u663e\u793a\u6548\u679c\u66f4\u597d *\/\n        }\n\n        .cldg-card-text-column,\n        .cldg-card-image-column {\n            flex: 100%; \n        }\n        .cldg-card-text-column {\n            padding: 25px; \n            text-align: center;\n        }\n        .cldg-card-cta-button {\n            width: 100%;\n            box-sizing: border-box;\n        }\n    }\n<\/style>\n\n<div class=\"cldg-card-container\">\n    <div class=\"cldg-card-text-column\">\n        <p class=\"cldg-card-title\">Vanne \u00e0 vanne en coin<\/p>\n        <p class=\"cldg-card-description\">\n            <strong>Norme de conception et de fabrication\u00a0:<\/strong> API 600<br>\n            <strong>Face \u00e0 face:<\/strong> ASME B16.10\n        <\/p>\n        <a href=\"https:\/\/www.pansvalve.com\/fr\/products\/wedge-gate-valve\/\" class=\"cldg-card-cta-button\" target=\"_blank\" rel=\"noopener noreferrer\">\n            Voir les sp\u00e9cifications\n        <\/a>\n    <\/div>\n    <div class=\"cldg-card-image-column\">\n        <a href=\"https:\/\/www.pansvalve.com\/fr\/products\/wedge-gate-valve\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n            <img decoding=\"async\" src=\"https:\/\/www.pansvalve.com\/wp-content\/uploads\/2022\/04\/1.jpg\" alt=\"Vanne \u00e0 guillotine API 600 en gros\">\n        <\/a>\n    <\/div>\n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Grade_Selection_Questions_Buyers_Ask\"><\/span>Questions que se posent les acheteurs sur le choix de la qualit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Le CF8 est-il identique \u00e0 l&#039;acier inoxydable 304\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L&#039;acier CF8 est souvent consid\u00e9r\u00e9 comme l&#039;\u00e9quivalent moul\u00e9 de l&#039;acier inoxydable 304. Toutefois, le choix final du mat\u00e9riau doit \u00eatre d\u00e9termin\u00e9 par la norme ASTM relative \u00e0 la qualit\u00e9 de la pi\u00e8ce moul\u00e9e et les sp\u00e9cifications du projet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Le CF8M est-il meilleur que le CF8 ?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Le CF8M est plus performant dans de nombreuses conditions chlor\u00e9es et chimiques gr\u00e2ce \u00e0 sa teneur en molybd\u00e8ne. Le CF8 peut n\u00e9anmoins convenir pour une utilisation mod\u00e9r\u00e9e dans l&#039;eau, l&#039;air ou les r\u00e9seaux utilitaires int\u00e9rieurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Quand faut-il sp\u00e9cifier l&#039;acier 316L\u00a0?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sp\u00e9cifiez l&#039;acier inoxydable 316L lorsque le projet exige un acier inoxydable \u00e0 faible teneur en carbone, notamment pour les pi\u00e8ces soud\u00e9es ou usin\u00e9es. Pour les corps de vannes moul\u00e9s, v\u00e9rifiez si l&#039;acier CF8M convient.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Match_The_Grade_To_The_Corrosion_Risk\"><\/span>Choisir le niveau de corrosion adapt\u00e9 au risque de corrosion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un SS <a href=\"https:\/\/www.pansvalve.com\/fr\/ball-valve-collection\/\" type=\"link\" id=\"https:\/\/www.pansvalve.com\/blog\/gate-valve\/gate-valve-working-principle\/\" target=\"_blank\" rel=\"noreferrer noopener\">vanne \u00e0 guillotine<\/a> Le choix de l&#039;acier inoxydable doit se faire en fonction des conditions d&#039;utilisation, et non pas simplement en fonction de son appellation g\u00e9n\u00e9rique. L&#039;acier CF8 convient aux environnements peu exigeants. L&#039;acier CF8M est souvent pr\u00e9f\u00e9rable pour les environnements expos\u00e9s aux chlorures, \u00e0 l&#039;air marin et aux lavages fr\u00e9quents. L&#039;acier 316L est important lorsque le cahier des charges mentionne des exigences en mati\u00e8re de faible teneur en carbone ou de soudage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PANS peut aider les acheteurs \u00e0 g\u00e9rer ces cas s\u00e9par\u00e9ment au sein d&#039;une m\u00eame commande. Un projet peut comprendre simultan\u00e9ment des conduites d&#039;eau propres, des canalisations expos\u00e9es \u00e0 des produits chimiques et \u00e0 la corrosion ext\u00e9rieure. Ces conduites ne n\u00e9cessitent pas toujours le m\u00eame type d&#039;acier inoxydable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Veuillez transmettre rapidement les informations relatives au fluide, \u00e0 la temp\u00e9rature, \u00e0 la pression, au risque li\u00e9 aux chlorures, \u00e0 la norme de bride et les documents requis. Gr\u00e2ce \u00e0 ces d\u00e9tails, PANS pourra vous aider \u00e0 choisir la nuance d&#039;acier inoxydable de la vanne \u00e0 guillotine, la conception du joint et le plan de test adapt\u00e9s avant le lancement de la production.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-red-background-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.pansvalve.com\/fr\/contact-us\/\">Obtenez un devis<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>An SS gate valve is not chosen just because the pipeline \u201cneeds stainless.\u201d The grade still has to match the fluid, cleaning method, chloride level, temperature, and site environment. CF8 can work well in mild service, while CF8M and 316L are usually considered when corrosion risk, washdown exposure, or welding requirements become more important. For [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4376,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[188],"tags":[],"class_list":["post-4375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gate-valve"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SS Gate Valve Material Grades: CF8, CF8M &amp; 316L Specs<\/title>\n<meta name=\"description\" content=\"Specify ss gate valve material grades including CF8, CF8M, and 316L. 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