{"id":7828,"date":"2021-07-02T06:56:32","date_gmt":"2021-07-02T06:56:32","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=7828"},"modified":"2025-10-09T06:40:26","modified_gmt":"2025-10-09T06:40:26","slug":"acier-inoxydable-254-smo","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/acier-inoxydable-254-smo\/","title":{"rendered":"254 SMO en acier inoxydable"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7828\" class=\"elementor elementor-7828\" data-elementor-post-type=\"blog\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7841f18c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7841f18c\" 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-785902b2\" data-id=\"785902b2\" 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-3440551 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"3440551\" data-element_type=\"widget\" data-settings=\"{&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;,&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable des mati\u00e8res\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__3440551\" aria-expanded=\"true\" aria-label=\"Abrir la tabla de contenidos\" data-no-translation-aria-label=\"\"><i aria-hidden=\"true\" class=\"fas fa-chevron-down\"><\/i><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__3440551\" aria-expanded=\"true\" aria-label=\"Cerrar la tabla de contenidos\" data-no-translation-aria-label=\"\"><i aria-hidden=\"true\" class=\"fas fa-chevron-up\"><\/i><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__3440551\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<i class=\"elementor-toc__spinner eicon-animation-spin eicon-loading\" aria-hidden=\"true\"><\/i>\t\t\t<\/div>\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-40d40f28 elementor-widget elementor-widget-text-editor\" data-id=\"40d40f28\" 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\n<h2 class=\"wp-block-heading\"><strong>254 SMO en acier inoxydable<\/strong><\/h2>\n\n<p>Grade mat\u00e9riel: 254 SMo en acier inoxydable super aust\u00e9nitique<\/p>\n\n<p>Qualit\u00e9 am\u00e9ricaine : UNS S31254<\/p>\n\n<p>Classe DIN\/EN : 1.4547<\/p>\n\n<p>Grade chinois\u00a0: 00Cr20Ni18Mo6CuN<\/p>\n\n<p>Cat\u00e9gorie de forgeage : F44<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Qu&#039;est-ce que l&#039;acier inoxydable 254 SMO<\/strong><\/h2>\n\n<p>Beaucoup de gens pensent que le 254 SMO est une nuance d&#039;acier, mais en r\u00e9alit\u00e9, le 254 SMO est une marque d\u00e9pos\u00e9e de <a href=\"https:\/\/www.outokumpu.com\/en\" target=\"_blank\" rel=\"nofollow noreferrer noopener\">Outokumpu OY<span class=\"wpil-link-icon\" title=\"Le lien renvoie \u00e0 un site externe.\" style=\"margin: 0 0 0 5px;\"><svg width=\"24\" height=\"24\" style=\"height:16px; width:16px; fill:#000000; stroke:#000000; display:inline-block;\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:svg=\"http:\/\/www.w3.org\/2000\/svg\"><g id=\"wpil-svg-outbound-1-icon-path\" transform=\"matrix(0.046875,0,0,0.046875,0.0234375,0.02343964)\">\r\n                            <path d=\"M 473.563,227.063 407.5,161 262.75,305.75 c -25,25 -49.563,41 -74.5,16 -25,-25 -9,-49.5 16,-74.5 L 349,102.5 283.937,37.406 c -14.188,-14.188 -2,-37.906 19,-37.906 h 170.625 c 20.938,0 37.938,16.969 37.938,37.906 v 170.688 c 0,20.937 -23.687,33.187 -37.937,18.969 z M 63.5,447.5 h 320 V 259.313 l 64,64 V 447.5 c 0,35.375 -28.625,64 -64,64 h -320 c -35.375,0 -64,-28.625 -64,-64 v -320 c 0,-35.344 28.625,-64 64,-64 h 124.188 l 64,64 H 63.5 Z\" \/>\r\n                        <\/g><\/svg><\/span><\/a>, l&#039;une des plus grandes entreprises sid\u00e9rurgiques du monde. Mais la nuance a \u00e9t\u00e9 d\u00e9velopp\u00e9e par d&#039;autres soci\u00e9t\u00e9s, vous pouvez penser que c&#039;est une nuance d&#039;acier, elle est \u00e9quivalente \u00e0 UNS S31254, c&#039;est un acier inoxydable super aust\u00e9nitique.<\/p>\n\n<p>254SMo (S31254.F44, 1.4547) appartient \u00e0 la cat\u00e9gorie des aciers inoxydables super aust\u00e9nitiques. En raison de sa teneur \u00e9lev\u00e9e en <a href=\"https:\/\/www.kaysuns.com\/fr\/role-du-molybdene-dans-les-tubes-et-raccords-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">molybd\u00e8ne<\/a>Il pr\u00e9sente d'excellentes performances en mati\u00e8re de r\u00e9sistance \u00e0 la corrosion par piq\u00fbres et par crevasses. Ce type d'acier inoxydable est con\u00e7u pour \u00eatre utilis\u00e9 dans des environnements halog\u00e9n\u00e9s tels que l'eau de mer. En outre, le 254SMo pr\u00e9sente \u00e9galement de bonnes performances en mati\u00e8re de corrosion uniforme. L'acier est sup\u00e9rieur \u00e0 l'acier inoxydable ordinaire, en particulier dans les acides halog\u00e9n\u00e9s. Sa teneur en carbone est inf\u00e9rieure \u00e0 0,03%, ce qui est appel\u00e9 acier inoxydable aust\u00e9nitique pur (la teneur en carbone inf\u00e9rieure \u00e0 0,019% est appel\u00e9e acier inoxydable super aust\u00e9nitique).<\/p>\n\n<p>L'acier super inoxydable est une sorte d'acier inoxydable sp\u00e9cial. Tout d'abord, la diff\u00e9rence entre cet acier et l'acier inoxydable ordinaire se situe au niveau de la composition chimique. Le super acier inoxydable est une sorte d'acier inoxydable fortement alli\u00e9 contenant beaucoup de nickel, de chrome et de molybd\u00e8ne, et le 254SMo avec une teneur de 6% Mo est l'un des aciers inoxydables fortement alli\u00e9s les plus connus. Cet acier inoxydable pr\u00e9sente une tr\u00e8s bonne r\u00e9sistance \u00e0 la corrosion locale, une r\u00e9sistance aux piq\u00fbres (PI240) et une r\u00e9sistance \u00e0 la corrosion sous contrainte dans des conditions d'eau de mer, de gaz, de fissure et d'affouillement \u00e0 faible vitesse, ce qui en fait un mat\u00e9riau id\u00e9al pour les alliages Ni- et Ti-. Deuxi\u00e8mement, il pr\u00e9sente \u00e9galement de meilleures performances en mati\u00e8re de r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es et de r\u00e9sistance \u00e0 la boiterie, qui ne peuvent \u00eatre remplac\u00e9es par l'acier inoxydable 304. En outre, d'apr\u00e8s la classification de l'acier inoxydable, la structure m\u00e9tallographique de l'acier inoxydable sp\u00e9cial est une sorte de structure m\u00e9tallographique aust\u00e9nitique stable. Le 254SMo (S31254, F44, 1.4547) \u00e9tant un mat\u00e9riau fortement alli\u00e9, sa technologie de transformation est tr\u00e8s complexe. En g\u00e9n\u00e9ral, on ne peut utiliser que des proc\u00e9d\u00e9s traditionnels pour produire ce type d'acier inoxydable sp\u00e9cial, tels que la coul\u00e9e, le forgeage et le laminage. Il peut \u00e9galement \u00eatre produit par <a href=\"https:\/\/www.kaysuns.com\/fr\/procede-de-laminage-a-froid\/\" target=\"_blank\" rel=\"noopener\">le laminage \u00e0 froid<\/a> ou <a href=\"https:\/\/www.kaysuns.com\/fr\/processus-detirage-a-froid\/\" target=\"_blank\" rel=\"noopener\">\u00e9tirage \u00e0 froid<\/a>.<\/p>\n\n<h3 class=\"wp-block-heading\">\u00c9quivalent en acier inoxydable 254 SMO<\/h3>\n\n<p>L&#039;acier inoxydable 254 SMO est \u00e9quivalent \u00e0 EN 1.4547, ASTM A312 UNS S31254 (tuyau), la nuance forg\u00e9e est ASTM A182 F44 et le num\u00e9ro de coul\u00e9e est ASTM A351 CK3MCuN, il est \u00e9galement appel\u00e9 alliage 6Mo.<\/p>\n\n<h3 class=\"wp-block-heading\">Alliage 6Mo Acier Inoxydable<\/h3>\n\n<p>Quel est le mat\u00e9riau en alliage 6mo? En fait, 6Mo est un autre nom de 254 SMO. Parce que la composition du Mo est 6 -7%, les gens l&#039;appellent donc alliage 6mo.<\/p>\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/07\/S31254-254-SMO.png\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-7830\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/07\/S31254-254-SMO.png\" alt=\"Acier inoxydable S31254-254-SMO\" width=\"512\" height=\"370\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/07\/S31254-254-SMO.png 512w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/07\/S31254-254-SMO-300x217.png 300w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><\/figure>\n<\/div>\n\n<h2 class=\"wp-block-heading\"><strong>II. Compositions chimiques de 254 SMo<\/strong> Acier inoxydable<\/h2>\n<table id=\"tablepress-254smo\" class=\"tablepress tablepress-id-254smo\">\n<thead>\n<tr class=\"row-1\">\n<th class=\"column-1\">C\u2264<\/th>\n<th class=\"column-2\">Si\u2264<\/th>\n<th class=\"column-3\">Mn\u2264<\/th>\n<th class=\"column-4\">P\u2264<\/th>\n<th class=\"column-5\">S\u2264<\/th>\n<th class=\"column-6\">Cr\u2265<\/th>\n<th class=\"column-7\">Ni\u2265<\/th>\n<th class=\"column-8\">Mo\u2265<\/th>\n<th class=\"column-9\">Non<\/th>\n<th class=\"column-10\">Cu\u2264<\/th>\n<th class=\"column-11\">Fe\u2264<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n<td class=\"column-1\">0.02<\/td>\n<td class=\"column-2\">0.8<\/td>\n<td class=\"column-3\">1.0<\/td>\n<td class=\"column-4\">0.03<\/td>\n<td class=\"column-5\">0.01<\/td>\n<td class=\"column-6\">19.5-20.5<\/td>\n<td class=\"column-7\">17.5-18.5<\/td>\n<td class=\"column-8\">6.0-6.5<\/td>\n<td class=\"column-9\">0.18-0.22<\/td>\n<td class=\"column-10\">0.5-1.0<\/td>\n<td class=\"column-11\">Autre<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- #tablepress-254smo from cache --><\/p>\n\n<h2 class=\"wp-block-heading\"><strong>III. Performance physique de 254 SMo (S31254, F44, 1.4547)<\/strong><\/h2>\n\n<p>a) Densit\u00e9\u00a0: 8,24\u00a0g\/cm3\u00a0;<\/p>\n\n<p>b) Point de fusion : 1320-1390\u00b0C ;<\/p>\n\n<p>c) Magn\u00e9tique : Non.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>IV. Propri\u00e9t\u00e9s m\u00e9caniques du 254 SMo <\/strong>Acier inoxydable<\/h2>\n\n<p>a) R\u00e9sistance \u00e0 la traction : AB 650MPa ;<\/p>\n\n<p>b) limite d&#039;\u00e9lasticit\u00e9 OB 310Mpa\u00a0;<\/p>\n\n<p>c) allongement\u00a0:\u00a08&gt;409%\u00a0;<\/p>\n\n<p>d) Duret\u00e9 : 182-223 (HB).<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>V. R\u00e9sistance \u00e0 la corrosion de 254 SMo (S31254, F44, 1.4547)<\/strong><\/h2>\n\n<p>Le 254SMo est un type d'acier inoxydable super aust\u00e9nitique \u00e0 haute r\u00e9sistance \u00e0 la corrosion. Il est con\u00e7u pour les milieux halog\u00e9n\u00e9s et acides et est largement utilis\u00e9 dans les milieux \u00e0 forte concentration d'ions chlorure, dans l'eau de mer et dans d'autres conditions difficiles. Dans certains environnements industriels avec des milieux acides, en particulier avec des acides halog\u00e9n\u00e9s, le 254SMo est beaucoup plus performant que d'autres aciers inoxydables, qui peuvent \u00eatre comme l'alliage Hastelloy et le titane dans certaines circonstances. Avec une faible teneur en carbone et une forte teneur en molybd\u00e8ne, il pr\u00e9sente une bonne r\u00e9sistance \u00e0 la corrosion par piq\u00fbres et par crevasses, ainsi qu'une excellente r\u00e9sistance \u00e0 la corrosion par frottement. <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\" rel=\"noopener\">corrosion intergranulaire<\/a> r\u00e9sistance. Il s'agit d'un type d'acier inoxydable rentable, largement utilis\u00e9 dans l'industrie chimique, la d\u00e9sulfuration et la protection de l'environnement aux \u00c9tats-Unis et \u00e0 l'\u00e9tranger.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>VI. Mat\u00e9riaux de soudage de 254 SMo (S31254.F44, 1.4547)<\/strong><\/h2>\n\n<p>Le mat\u00e9riau de soudage pour 254SMo comprend ErniCrMo-3, et la baguette de soudage comprend EnicCrMo-3.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>VII. Application de 254 SMo (S31254.F44, 1.4547)<\/strong><\/h2>\n\n<p>a) Marine : structures marines ; dessalement d&#039;eau de mer; culture marine; \u00e9change thermique d&#039;eau de mer, etc.<\/p>\n\n<p>b) Domaine de protection de l&#039;environnement : dispositif de d\u00e9sulfuration des fum\u00e9es de production d&#039;\u00e9nergie thermique ; traitement des eaux us\u00e9es, etc.<\/p>\n\n<p>c) Domaine \u00e9nerg\u00e9tique : production d&#039;\u00e9nergie atomique ; utilisation du charbon; production d&#039;\u00e9nergie mar\u00e9motrice, etc.<\/p>\n\n<p>d) Champ p\u00e9trochimique : raffinage du p\u00e9trole ; \u00e9quipements chimiques, etc.<\/p>\n\n<p>e) Domaine alimentaire : production de sel ; pr\u00e9paration de sauce soja, etc.<\/p>\n\n<p>f) Environnement \u00e0 haute concentration d&#039;ions ammoniac : industrie papeti\u00e8re ; toutes sortes d&#039;\u00e9quipements de blanchiment.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>VIII. Propri\u00e9t\u00e9s de corrosion du 254 SMo (S31254, F44, 1.4547)<\/strong><\/h2>\n\n<p>a) De nombreux tests et exp\u00e9riences sur le terrain ont montr\u00e9 que le 254SMo a une r\u00e9sistance \u00e0 la corrosion caverneuse tr\u00e8s \u00e9lev\u00e9e dans l&#039;eau de mer, m\u00eame lorsque la temp\u00e9rature augmente l\u00e9g\u00e8rement. Seuls quelques types d&#039;aciers inoxydables peuvent r\u00e9aliser une telle r\u00e9sistance.<\/p>\n\n<p>b) La r\u00e9sistance \u00e0 la corrosion du 254SMo dans les solutions d&#039;halog\u00e9nures acides et oxydants est similaire \u00e0 celle des alliages \u00e0 base de nickel et de titane les plus r\u00e9sistants \u00e0 la corrosion, tels que ceux n\u00e9cessaires au blanchiment du papier.<\/p>\n\n<p>c) En raison de la forte teneur en azote du 254SMo, sa baisse de r\u00e9sistance m\u00e9canique est sup\u00e9rieure \u00e0 celle des autres types d&#039;aciers inoxydables aust\u00e9nitiques. De plus, le 254SMo a une ductilit\u00e9, une r\u00e9sistance aux chocs et une soudabilit\u00e9 \u00e9lev\u00e9es.<\/p>\n\n<p>d) La forte teneur en aluminium du 254SMo lui permet de s&#039;oxyder plus rapidement lors du recuit, ce qui peut apporter une surface plus rugueuse apr\u00e8s d\u00e9capage par rapport aux aciers inoxydables ordinaires. Et cela ne produira aucun effet n\u00e9faste sur sa r\u00e9sistance \u00e0 la corrosion.<\/p>\n\n<h2 class=\"wp-block-heading\"><strong>IX. Sp\u00e9cifications et \u00e9tat d&#039;approvisionnement de 254 SMo (S31254.F44, 1.4547)<\/strong><\/h2>\n\n<p>a) Vari\u00e9t\u00e9\u00a0:\u00a0Tuyau sans soudure 254SMo\u00a0; T\u00f4le d&#039;acier 254SMo\u00a0; Acier rond 254SMo ; pi\u00e8ces forg\u00e9es 254SMo\u00a0; bride 254SMo ; bague 254SMo\u00a0; Tube soud\u00e9 254SMo\u00a0; Bande d&#039;acier 254SMo\u00a0; Fil 254SMo et 254SMo supportant les mat\u00e9riaux de soudage.<\/p>\n\n<p>b) \u00c9tat de livraison : Le tube sans couture sera livr\u00e9 avec une solution solide et un blanc acide, et la longueur peut \u00eatre fix\u00e9e ; La plaque sera livr\u00e9e avec la solution, le d\u00e9capage et la coupe des bords\u00a0; Le tuyau \u00e0 souder sera livr\u00e9 avec une solution blanche acide et une d\u00e9tection de d\u00e9fauts RT%\u00a0; Les pi\u00e8ces forg\u00e9es seront livr\u00e9es avec recuit et lumi\u00e8re de voiture, et la barre sera \u00e0 l&#039;\u00e9tat de forgeage et de laminage ainsi que surface lisse polie ou tourn\u00e9e\u00a0; Le mat\u00e9riau Fei sera livr\u00e9 apr\u00e8s laminage \u00e0 froid, \u00e9tat mou de la solution et d\u00e9tartrage\u00a0; Le fil sera livr\u00e9 \u00e0 l&#039;\u00e9tat de disque de d\u00e9capage de solution solide ou de bande droite et de polissage fin de la bande droite de solution solide.<\/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-27e45d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"27e45d9\" 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-6eb94df\" data-id=\"6eb94df\" 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-3268eef elementor-widget elementor-widget-heading\" data-id=\"3268eef\" 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\">Ce que nous faisons pour l&#039;acier inoxydable 254 SMO<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4f01fa2 elementor-drop-cap-yes elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"4f01fa2\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul>\n<li><a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\">Tube en acier inoxydable 254 SMO<\/a><\/li>\n<li>UNS S31254 Raccords<\/li>\n<li>A182 F44 Brides<\/li>\n<\/ul>\n<p>Nous fournissons 254 tuyaux et raccords SMO, des brides aux normes ASME et EN, ce sont des produits courants pour nous. Si vous avez besoin de 254 vannes SMO, veuillez faire une demande sp\u00e9cifique, nous obtiendrons le produit de qualit\u00e9 de notre partenaire pour vous.<\/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-d5abdd1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d5abdd1\" 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-70d2913\" data-id=\"70d2913\" 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-1d04437 elementor-share-buttons--view-icon-text elementor-share-buttons--skin-gradient elementor-share-buttons--shape-square elementor-grid-0 elementor-share-buttons--color-official elementor-widget elementor-widget-share-buttons\" data-id=\"1d04437\" data-element_type=\"widget\" data-widget_type=\"share-buttons.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-grid\" role=\"list\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_facebook\" role=\"button\" tabindex=\"0\" aria-label=\"Compartir en facebook\" data-no-translation-aria-label=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-facebook\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tFacebook\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_twitter\" role=\"button\" tabindex=\"0\" aria-label=\"Compartir en twitter\" data-no-translation-aria-label=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-twitter\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tTwitter\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-grid-item\" role=\"listitem\">\n\t\t\t\t\t\t<div class=\"elementor-share-btn elementor-share-btn_linkedin\" role=\"button\" tabindex=\"0\" aria-label=\"Compartir en linkedin\" data-no-translation-aria-label=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__icon\">\n\t\t\t\t\t\t\t\t<i class=\"fab fa-linkedin\" aria-hidden=\"true\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-share-btn__text\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-share-btn__title\">\n\t\t\t\t\t\t\t\t\t\tLinkedIn\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a1812bb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a1812bb\" 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-ef74740\" data-id=\"ef74740\" 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-94561bb elementor-widget elementor-widget-wp-widget-recent-posts\" data-id=\"94561bb\" data-element_type=\"widget\" data-widget_type=\"wp-widget-recent-posts.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t\n\t\t<h5>Messages r\u00e9cents<\/h5>\n\t\t<ul>\n\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t<a href=\"https:\/\/www.kaysuns.com\/fr\/what-is-stainless-steel-hollow-bar\/\" target=\"_blank\">What is Stainless Steel Hollow Bar?<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t<a href=\"https:\/\/www.kaysuns.com\/fr\/hastelloy-b3-pipe-manufacturer\/\" target=\"_blank\">Best Hastelloy B3 Pipe Manufacturer | No MOQ<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t<a href=\"https:\/\/www.kaysuns.com\/fr\/fabricant-de-tuyaux-en-hastelloy-b2\/\" target=\"_blank\">Fabricant de tubes Hastelloy B2 en Chine | Livraison imm\u00e9diate<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t<a href=\"https:\/\/www.kaysuns.com\/fr\/fabricant-de-tuyaux-en-hastelloy-c4\/\" target=\"_blank\">Fabricant de tubes en Hastelloy C4 en Chine | Livraison imm\u00e9diate<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t<a href=\"https:\/\/www.kaysuns.com\/fr\/fabricant-de-tuyaux-en-hastelloy-c2000\/\" target=\"_blank\">Fabricant de tubes Hastelloy C2000 de confiance en Chine | En stock<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5f2682c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5f2682c\" 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-9ddac2a\" data-id=\"9ddac2a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\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<\/div>","protected":false},"featured_media":7830,"template":"","categories":[186],"tags":[234,233,231],"class_list":["post-7828","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge","tag-1-4547","tag-s31254","tag-super-stainless-steel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>254 SMO Stainless Steel - SS Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"254 SMO stainless steel is equivalent to UNS S31254, 1.4547, also called 6mo. It&#039;s a super stainless steel. We offer 254Smo pipe and fittings.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kaysuns.com\/fr\/blog\/acier-inoxydable-254-smo\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"254 SMO Stainless Steel - SS Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"254 SMO stainless steel is equivalent to UNS S31254, 1.4547, also called 6mo. It&#039;s a super stainless steel. We offer 254Smo pipe and fittings.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kaysuns.com\/fr\/blog\/acier-inoxydable-254-smo\/\" \/>\n<meta property=\"og:site_name\" content=\"Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-09T06:40:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/07\/S31254-254-SMO.png\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"370\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/254-smo-stainless-steel\/\",\"url\":\"https:\/\/www.kaysuns.com\/blog\/254-smo-stainless-steel\/\",\"name\":\"254 SMO Stainless Steel - SS Pipe and Fittings | KAYSUNS\",\"isPartOf\":{\"@id\":\"https:\/\/www.kaysuns.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/254-smo-stainless-steel\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/254-smo-stainless-steel\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2021\/07\/S31254-254-SMO.png\",\"datePublished\":\"2021-07-02T06:56:32+00:00\",\"dateModified\":\"2025-10-09T06:40:26+00:00\",\"description\":\"254 SMO stainless steel is equivalent to UNS S31254, 1.4547, also called 6mo. 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C&#039;est un super inox. Nous proposons des tuyaux et raccords 254Smo.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kaysuns.com\/fr\/blog\/acier-inoxydable-254-smo\/","og_locale":"fr_FR","og_type":"article","og_title":"254 SMO Stainless Steel - SS Pipe and Fittings | KAYSUNS","og_description":"254 SMO stainless steel is equivalent to UNS S31254, 1.4547, also called 6mo. It's a super stainless steel. 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