{"id":6528,"date":"2020-12-03T06:30:43","date_gmt":"2020-12-03T06:30:43","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6528"},"modified":"2025-07-01T06:27:42","modified_gmt":"2025-07-01T06:27:42","slug":"domaines-dapplication-des-tubes-soudes-en-acier-inoxydable-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/domaines-dapplication-des-tubes-soudes-en-acier-inoxydable-duplex\/","title":{"rendered":"Domaines d&#039;application du tuyau soud\u00e9 en acier inoxydable duplex"},"content":{"rendered":"<p>Maintenant, avec le d\u00e9veloppement continu de l&#039;industrie chimique en Chine, l&#039;utilisation de tubes soud\u00e9s en acier inoxydable duplex augmente. La demande mondiale de <a href=\"https:\/\/www.kaysuns.com\/fr\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tuyaux en acier inoxydable duplex<\/a> cro\u00eet rapidement chaque ann\u00e9e, et il y a aussi un bon d\u00e9veloppement dans le p\u00e9trole, l&#039;ur\u00e9e et d&#039;autres industries.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/IMG_20170504_090722-1024x577.jpg\" alt=\"tuyau en acier inoxydable duplex de kaysuns\" class=\"wp-image-5271\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/IMG_20170504_090722-1024x577.jpg 1024w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/IMG_20170504_090722-300x169.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/IMG_20170504_090722-768x433.jpg 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p>Les performances exceptionnelles des tuyaux en acier inoxydable duplex sont principalement une limite d&#039;\u00e9lasticit\u00e9 plus \u00e9lev\u00e9e et une meilleure r\u00e9sistance \u00e0 la corrosion sous contrainte, ses performances de soudage sont bonnes et la sensibilit\u00e9 du soudage des fissures \u00e0 froid et des fissures \u00e0 chaud est faible.<\/p>\n\n\n\n<p>Les tubes soud\u00e9s en acier inoxydable aust\u00e9nitique sont principalement utilis\u00e9s dans le domaine de la d\u00e9coration, et relativement peu de tubes soud\u00e9s r\u00e9sistant \u00e0 la corrosion sont utilis\u00e9s dans le domaine p\u00e9trochimique.<\/p>\n\n\n\n<p><strong>Industrie de transformation chimique et p\u00e9trochimique<\/strong><\/p>\n\n\n\n<p>L&#039;industrie chimique est le domaine o\u00f9 l&#039;acier inoxydable duplex est utilis\u00e9 plus t\u00f4t et plus fr\u00e9quemment. Le tube catalytique du r\u00e9acteur de synth\u00e8se de m\u00e9thanol moyen et petit utilise de l&#039;acier inoxydable duplex, et le dispositif de grande et moyenne taille utilise un tuyau soud\u00e9 en acier inoxydable duplex 2205.<\/p>\n\n\n\n<p><strong>Industrie du p\u00e9trole et du gaz<\/strong><\/p>\n\n\n\n<p>C&#039;est l&#039;un des principaux aspects d&#039;application de l&#039;acier inoxydable duplex. Pour la production de tubes soud\u00e9s en acier inoxydable duplex pour le p\u00e9trole, les Chinois <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">tuyaux et raccords en acier inoxydable<\/a> offrent une bonne solution. Elle a fait du bon travail en mati\u00e8re de contr\u00f4le des co\u00fbts, notamment en adoptant de nouvelles technologies et de nouveaux processus, en utilisant les technologies de l'information et de la communication (TIC) et les technologies de l'information et de la communication. <a href=\"https:\/\/www.kaysuns.com\/fr\/role-du-molybdene-dans-les-tubes-et-raccords-en-acier-inoxydable\/\" target=\"_blank\">molybd\u00e8ne<\/a> au lieu du molybd\u00e8ne m\u00e9tallique, et de l'oxyde de nickel au lieu du nickel m\u00e9tallique, ce qui permet de r\u00e9duire les co\u00fbts de fusion, de populariser l'utilisation de la technologie de coul\u00e9e continue de l'acier inoxydable duplex et d'augmenter le rendement.<\/p>\n\n\n\n<p><strong>Industrie des engrais<\/strong><\/p>\n\n\n\n<p>L&#039;industrie des engrais utilise principalement de l&#039;acier inoxydable duplex renforc\u00e9 au vieillissement 0Cr25Ni6Mo3CuN. Sa r\u00e9sistance \u00e0 l&#039;usure et \u00e0 la corrosion est utilis\u00e9e pour les pi\u00e8ces internes des vannes d&#039;arr\u00eat haute pression de diverses sp\u00e9cifications dans la canalisation de traitement principale de l&#039;usine d&#039;ur\u00e9e. L&#039;effet est toujours bon.<\/p>\n\n\n\n<p>La m\u00e9thode de d\u00e9capage au CO2 et la m\u00e9thode de d\u00e9capage au NH3 pour la production d&#039;ur\u00e9e utilisent principalement de l&#039;acier inoxydable aust\u00e9nitique fortement alli\u00e9, voire du titane. Le domestique a commenc\u00e9 \u00e0 utiliser de l&#039;acier inoxydable duplex \u00e0 haute teneur en chrome au lieu du 316L sur le corps de la pompe \u00e0 carbamate de l&#039;usine d&#039;ur\u00e9e \u00e0 grande \u00e9chelle. Acier (qualit\u00e9 ur\u00e9e). Depuis les ann\u00e9es 1980, les trois \u00e9quipements haute pression de la tour de stripping, le condenseur de carbamate et la tour de d\u00e9composition haute pression du nouveau proc\u00e9d\u00e9 d&#039;ur\u00e9e ACES d\u00e9velopp\u00e9 par la soci\u00e9t\u00e9 japonaise Toyo Engineering ont adopt\u00e9 le DP-12 (25Cr-7Ni-3Mo contenant des traces tungst\u00e8ne et cuivre). -N en acier) et en acier inoxydable duplex R-5 (00Cr25Ni6.5Mo1.5N). Le premier est utilis\u00e9 pour fabriquer des tuyaux de d\u00e9gazage, des condenseurs, des tuyaux de d\u00e9composition et des tuyaux de transport, tandis que le second est utilis\u00e9 pour les coques d&#039;\u00e9quipements \u00e0 haute pression.<\/p>","protected":false},"featured_media":5271,"template":"","categories":[186],"tags":[],"class_list":["post-6528","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>Application Fields Of Duplex Stainless Steel Welded Pipe - KAYSUNS<\/title>\n<meta name=\"description\" content=\"Now with the continuous development of the chemical industry in China, the use of duplex stainless steel welded pipe is increasing.\" \/>\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\/domaines-dapplication-des-tubes-soudes-en-acier-inoxydable-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Application Fields Of Duplex Stainless Steel Welded Pipe - 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