{"id":6573,"date":"2020-12-17T07:15:32","date_gmt":"2020-12-17T07:15:32","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6573"},"modified":"2025-06-19T06:44:21","modified_gmt":"2025-06-19T06:44:21","slug":"ou-peut-on-utiliser-lacier-inoxydable-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/ou-peut-on-utiliser-lacier-inoxydable-duplex\/","title":{"rendered":"O\u00f9 peut-on utiliser l&#039;acier inoxydable duplex ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Quelles sont les applications en acier inoxydable duplex?<\/strong><\/h2>\n\n\n\n<p>L'acier inoxydable duplex est un acier inoxydable dans lequel les phases ferrite et aust\u00e9nite dans la structure de la solution solide repr\u00e9sentent chacune environ 50%. Il pr\u00e9sente non seulement une bonne t\u00e9nacit\u00e9, une haute r\u00e9sistance et une excellente r\u00e9sistance \u00e0 la corrosion par le chlorure, mais aussi une r\u00e9sistance \u00e0 la corrosion par piq\u00fbre et \u00e0 la corrosion par le plomb. <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\">corrosion intergranulaire<\/a>La r\u00e9sistance \u00e0 la corrosion sous contrainte dans un environnement chlor\u00e9 est particuli\u00e8rement importante. Beaucoup de gens ne savent pas que les applications de l'acier inoxydable duplex ne sont pas inf\u00e9rieures \u00e0 celles des aciers aust\u00e9nitiques.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Application de l'acier inoxydable duplex dans le g\u00e9nie maritime - Construction c\u00f4ti\u00e8re et ponts<\/strong><\/h3>\n\n\n\n<p>Les b\u00e2timents c\u00f4tiers sont confront\u00e9s \u00e0 des conditions naturelles d&#039;humidit\u00e9 \u00e9lev\u00e9e et de sel \u00e9lev\u00e9. Pour le nouvel a\u00e9roport international de Doha au Qatar, le pays du golfe Persique, il sera \u00e9galement affect\u00e9 par de forts rayons ultraviolets, des temp\u00e9ratures \u00e9lev\u00e9es et l&#039;abrasion.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"588\" height=\"330\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Doha-Hamad-International-Airport-in-duplex-stainless-steel-made-roof.jpg\" alt=\"A\u00e9roport international Hamad de Doha en toit duplex en acier inoxydable\" class=\"wp-image-6574\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Doha-Hamad-International-Airport-in-duplex-stainless-steel-made-roof.jpg 588w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Doha-Hamad-International-Airport-in-duplex-stainless-steel-made-roof-300x168.jpg 300w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/><figcaption class=\"wp-element-caption\">A\u00e9roport international Hamad de Doha en toit duplex en acier inoxydable<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Les mat\u00e9riaux de construction traditionnels ont une r\u00e9sistance insuffisante \u00e0 la corrosion par piq\u00fbres. L&#039;\u00e9quipe de construction a d&#039;abord sugg\u00e9r\u00e9 d&#039;utiliser des alliages de titane pour construire les toits des a\u00e9roports. Cependant, en raison de la difficult\u00e9 et du co\u00fbt \u00e9lev\u00e9 de la construction, ils ont d\u00fb abandonner l&#039;utilisation de ce mat\u00e9riau et envisager plut\u00f4t d&#039;utiliser des co\u00fbts durables et plus longs sur le cycle de vie. Inox duplex avantageux.<\/p>\n\n\n\n<p>En fin de compte, les gens ont choisi l'acier inoxydable duplex \u00e9conomique ATI 2003. Plus de 1 500 tonnes de t\u00f4les en acier inoxydable duplex ont \u00e9t\u00e9 trait\u00e9es avec une surface mate pour construire le plus grand toit en acier inoxydable en forme de vague du monde.<\/p>\n\n\n\n<p>Le pont Stonecutters \u00e0 Hong Kong, en Chine, a une dur\u00e9e de vie de 120 ans et ne n\u00e9cessite aucun entretien. Ce pont autoroutier transversal reliant Hong Kong et Shenzhen a utilis\u00e9 environ 2 000 tonnes de plaques d&#039;acier duplex 2205 pour fabriquer la structure de la surface ext\u00e9rieure de la partie sup\u00e9rieure du pyl\u00f4ne, et environ 1 250 tonnes de 2205 et 316 ont \u00e9t\u00e9 utilis\u00e9es comme barres d&#039;acier pour autoroute. Le pont Hong Kong-Zhuhai-Macao, le plus long pont maritime du monde, qui a \u00e9t\u00e9 achev\u00e9 en octobre de l&#039;ann\u00e9e derni\u00e8re, a utilis\u00e9 8 200 tonnes de duplex <a href=\"https:\/\/www.kaysuns.com\/fr\/barre-creuse-en-acier-inoxydable\/\" target=\"_blank\">barres en acier inoxydable<\/a>qui sont principalement utilis\u00e9s dans la plate-forme, la tour et la pile du pont.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"591\" height=\"366\" data-id=\"6575\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/The-Hong-Kong-Zhuhai-Macau-Bridge-HZMB.jpg\" alt=\"Le pont Hong Kong-Zhuhai-Macao (HZMB)\" class=\"wp-image-6575\" srcset=\"\" sizes=\"(max-width: 591px) 100vw, 591px\" data-srcset=\"\" \/><figcaption class=\"wp-element-caption\">Les\u00a0<em>Hong Kong<\/em>\u2013<em>Zhuhai<\/em>\u2013Macao\u00a0<em>Pont<\/em>\u00a0(HZMB)<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"623\" height=\"358\" data-id=\"6576\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Stonecutters-Bridge-Hong-Kong-China.jpg\" alt=\"Pont des tailleurs de pierre\" class=\"wp-image-6576\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Stonecutters-Bridge-Hong-Kong-China.jpg 623w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Stonecutters-Bridge-Hong-Kong-China-300x172.jpg 300w\" sizes=\"(max-width: 623px) 100vw, 623px\" \/><figcaption class=\"wp-element-caption\">Pont des tailleurs de pierre<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<p>Gr\u00e2ce \u00e0 la bonne t\u00e9nacit\u00e9 de l&#039;acier inoxydable duplex, UNS 32304 \u00e9conomique a \u00e9t\u00e9 utilis\u00e9 pour construire des b\u00e2timents r\u00e9sistants au vent et au feu sur des plates-formes offshore.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Extraction de p\u00e9trole et de gaz<\/strong><\/h3>\n\n\n\n<p>Dans la production de p\u00e9trole et de gaz, l&#039;acier inoxydable duplex est principalement utilis\u00e9 dans les pipelines de production de fond, les dispositifs d&#039;injection pour les puits de gaz des champs p\u00e9trolif\u00e8res, les s\u00e9parateurs centrifuges offshore, les syst\u00e8mes de pipelines de p\u00e9trole et de gaz sous-marins, les \u00e9changeurs de chaleur et les syst\u00e8mes d&#039;exploitation de surface, etc. Il est particuli\u00e8rement adapt\u00e9 pour les applications contenant Cl, CO2, H2S en milieu acide sans inhibiteur de corrosion.<\/p>\n\n\n\n<p>2500 tonnes d&#039;acier inoxydable duplex UR45N ont \u00e9t\u00e9 utilis\u00e9es dans le projet norv\u00e9gien Statoil pour r\u00e9duire le poids des \u00e9quipements ; L&#039;acier inoxydable super duplex UR52N a \u00e9t\u00e9 utilis\u00e9 dans le projet de champ p\u00e9trolif\u00e8re de la mer du Nord au Royaume-Uni pour fabriquer des collecteurs et des pipelines de p\u00e9trole et de gaz\u00a0; puits de p\u00e9trole et de gaz en Alaska, dans le golfe du Mexique et dans d&#039;autres endroits aux \u00c9tats-Unis L&#039;acier inoxydable super duplex SAF2507 est utilis\u00e9 dans la production, les installations de plate-forme de production p\u00e9troli\u00e8re offshore et les ol\u00e9oducs et gazoducs.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"636\" height=\"454\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Norway-Statoils-offshore-platform.jpg\" alt=\"La plate-forme offshore de Statoil en Norv\u00e8ge\" class=\"wp-image-6578\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Norway-Statoils-offshore-platform.jpg 636w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Norway-Statoils-offshore-platform-300x214.jpg 300w\" sizes=\"(max-width: 636px) 100vw, 636px\" \/><figcaption class=\"wp-element-caption\">Plate-forme offshore de Statoil en Norv\u00e8ge<\/figcaption><\/figure>\n<\/div>\n\n\n<p>De plus, gr\u00e2ce \u00e0 l&#039;ajout de cuivre pour am\u00e9liorer encore la r\u00e9sistance et la r\u00e9sistance \u00e0 la corrosion, l&#039;acier inoxydable duplex Ferralium225-SD50 a \u00e9t\u00e9 utilis\u00e9 pour fabriquer des \u00e9quipements sous-marins et des conteneurs de c\u00e2bles \u00e0 7000 m de profondeur, ainsi que des localisateurs sous-marins et une acoustique en haute mer contr\u00f4lable. Rel\u00e2chez le bo\u00eetier de pression et les pi\u00e8ces porteuses du transpondeur.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Dessalement<\/strong><\/h3>\n\n\n\n<p>En raison de la forte concentration d&#039;ions chlorure d&#039;eau de mer, l&#039;\u00e9quipement et les canalisations du syst\u00e8me de dessalement de l&#039;eau de mer seront confront\u00e9s \u00e0 une corrosion s\u00e9v\u00e8re. L&#039;acier inoxydable aust\u00e9nitique traditionnel souffre souvent de dommages de corrosion locaux tels que la corrosion par piq\u00fbres, la corrosion caverneuse et la corrosion sous contrainte.<\/p>\n\n\n\n<p>L&#039;acier inoxydable duplex se comporte bien dans les types de corrosion mentionn\u00e9s ci-dessus et devient l&#039;un des principaux mat\u00e9riaux. Parmi eux, le tube du condenseur de l&#039;\u00e9vaporateur dans la m\u00e9thode de dessalement \u00e9clair \u00e0 plusieurs \u00e9tages de l&#039;eau de mer utilise principalement un tube en acier inoxydable super duplex 2507 au lieu du titane ou de l&#039;alliage cuivre-nickel. La coque de la chambre flash peut utiliser <a href=\"https:\/\/www.kaysuns.com\/fr\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">2205 tuyaux en acier inoxydable duplex<\/a> par <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">fabricants de raccords de tuyauterie en acier inoxydable<\/a>. Ce dernier a \u00e9t\u00e9 adopt\u00e9 par l&#039;usine de dessalement libyenne. La canalisation haute pression de la m\u00e9thode d&#039;osmose inverse et la pompe haute pression de l&#039;environnement \u00e0 haute teneur en chlorure utilisent de l&#039;acier 2507, comparable \u00e0 l&#039;acier inoxydable super aust\u00e9nitique contenant du 6Mo, et qui a \u00e9t\u00e9 utilis\u00e9 dans la nouvelle usine d&#039;Ashkelon en Isra\u00ebl .<\/p>\n\n\n\n<p>Le projet chinois de dessalement de Caofeidian utilise 300 tonnes de t\u00f4les d'acier 2205 pour fabriquer des \u00e9quipements d'\u00e9vaporation flash \u00e0 plusieurs \u00e9tages.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"587\" height=\"407\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Caofeidian-Desalination-Project-China.jpg\" alt=\"Caofeidian-Desalination-Project-Chine\" class=\"wp-image-6579\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Caofeidian-Desalination-Project-China.jpg 587w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Caofeidian-Desalination-Project-China-300x208.jpg 300w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/><figcaption class=\"wp-element-caption\">Projet de dessalement de Caofeidian, Chine<\/figcaption><\/figure>\n<\/div>","protected":false},"featured_media":6579,"template":"","categories":[186],"tags":[],"class_list":["post-6573","blog","type-blog","status-publish","has-post-thumbnail","hentry","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What are duplex stainless steel applications? - SS Pipe and Fittings<\/title>\n<meta name=\"description\" content=\"Many people do not know that the duplex stainless steel applications in daily life is not less than that of austenitic steel\" \/>\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\/ou-peut-on-utiliser-lacier-inoxydable-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What are duplex stainless steel applications? - SS Pipe and Fittings\" \/>\n<meta property=\"og:description\" content=\"Many people do not know that the duplex stainless steel applications in daily life is not less than that of austenitic steel\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kaysuns.com\/fr\/blog\/ou-peut-on-utiliser-lacier-inoxydable-duplex\/\" \/>\n<meta property=\"og:site_name\" content=\"Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-19T06:44:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Caofeidian-Desalination-Project-China.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"587\" \/>\n\t<meta property=\"og:image:height\" content=\"407\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/where-can-duplex-stainless-steel-be-used\/\",\"url\":\"https:\/\/www.kaysuns.com\/blog\/where-can-duplex-stainless-steel-be-used\/\",\"name\":\"What are duplex stainless steel applications? 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