{"id":6556,"date":"2020-12-14T06:08:37","date_gmt":"2020-12-14T06:08:37","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6556"},"modified":"2025-06-19T06:44:47","modified_gmt":"2025-06-19T06:44:47","slug":"application-des-tubes-en-acier-inoxydable-dans-lindustrie-petrochimique-2","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/application-des-tubes-en-acier-inoxydable-dans-lindustrie-petrochimique-2\/","title":{"rendered":"Application de tuyaux en acier inoxydable dans l&#039;industrie p\u00e9trochimique"},"content":{"rendered":"<p>Les tuyaux en acier inoxydable pour l&#039;industrie p\u00e9trochimique sont l&#039;une de ses applications.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"629\" height=\"315\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project.jpg\" alt=\"Projet de gazoduc Ouest-Est de la Chine\" class=\"wp-image-6557\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project.jpg 629w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project-300x150.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/12\/Chinas-West-East-Gas-Pipeline-Project-100x50.jpg 100w\" sizes=\"(max-width: 629px) 100vw, 629px\" \/><figcaption class=\"wp-element-caption\">Le projet de gazoduc ouest-est de la Chine<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Qu&#039;il s&#039;agisse de b\u00e2timents, d&#039;appareils \u00e9lectriques, de v\u00e9hicules, de pi\u00e8ces ou m\u00eame militaires, la d\u00e9pendance \u00e0 l&#039;acier inoxydable est \u00e9galement tr\u00e8s \u00e9lev\u00e9e. Par cons\u00e9quent, la classification de l&#039;acier inoxydable est relativement compliqu\u00e9e, comme les tuyaux ronds en acier inoxydable et les tuyaux rectangulaires en acier inoxydable selon la forme de la section transversale, certains selon le m\u00e9tier, et \u00e9galement selon l&#039;utilisation hebdomadaire.<\/p>\n\n\n\n<p>Cependant, il existe \u00e9galement la m\u00e9thode la plus couramment utilis\u00e9e pour distinguer l&#039;acier inoxydable, qui consiste \u00e0 classer selon la structure en acier. Dans l&#039;industrie p\u00e9troli\u00e8re et p\u00e9trochimique, acier inoxydable aust\u00e9nitique, acier inoxydable ferritique et duplex <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">tuyaux et raccords en acier inoxydable<\/a> sont les principales proportions d&#039;application.<\/p>\n\n\n\n<p>La teneur en Cr de <strong>acier inoxydable ferritique<\/strong> est g\u00e9n\u00e9ralement 13%-30%, et la teneur en C est g\u00e9n\u00e9ralement inf\u00e9rieure \u00e0 0,25%. Apr\u00e8s recuit ou vieillissement, les carbures sont pr\u00e9cipit\u00e9s aux joints de grains de ferrite, afin d&#039;obtenir une r\u00e9sistance \u00e0 la corrosion. La r\u00e9sistance \u00e0 la corrosion de l&#039;acier inoxydable ferritique est inf\u00e9rieure \u00e0 celle de l&#039;acier inoxydable aust\u00e9nitique et de l&#039;acier inoxydable duplex, mais sup\u00e9rieure \u00e0 celle de l&#039;acier inoxydable martensitique. \u00c9tant donn\u00e9 que l&#039;acier inoxydable ferritique a un co\u00fbt de production inf\u00e9rieur \u00e0 celui des autres types d&#039;acier inoxydable, il est principalement utilis\u00e9 dans des domaines qui ne n\u00e9cessitent pas de milieu de corrosion et de r\u00e9sistance \u00e9lev\u00e9s dans l&#039;industrie p\u00e9trochimique.<\/p>\n\n\n\n<p>Le contenu de Cr dans <strong>acier inoxydable martensitique<\/strong> est g\u00e9n\u00e9ralement de 13% \u00e0 17%, et la teneur en C est de 0,1% \u00e0 0,7%. Il a une r\u00e9sistance, une duret\u00e9 et une r\u00e9sistance \u00e0 l&#039;usure \u00e9lev\u00e9es, mais une faible r\u00e9sistance \u00e0 la corrosion. L&#039;acier inoxydable martensitique est principalement utilis\u00e9 dans les environnements o\u00f9 les milieux corrosifs ne sont pas puissants dans l&#039;industrie p\u00e9troli\u00e8re et p\u00e9trochimique, tels que les composants n\u00e9cessitant une t\u00e9nacit\u00e9 et une charge d&#039;impact \u00e9lev\u00e9es, tels que les aubes de turbine, les boulons et autres pi\u00e8ces connexes.<\/p>\n\n\n\n<p>La teneur en Cr de l'acier inoxydable aust\u00e9nitique est g\u00e9n\u00e9ralement comprise entre 17% et 20%, la teneur en Ni entre 8% et 16%, et la teneur en C est g\u00e9n\u00e9ralement inf\u00e9rieure \u00e0 0,12%. La zone de transformation de l'aust\u00e9nite est \u00e9largie par l'ajout de Ni pour obtenir de l'aust\u00e9nite \u00e0 temp\u00e9rature ambiante. Structure du corps. Compar\u00e9 \u00e0 d'autres aciers inoxydables, l'acier inoxydable aust\u00e9nitique pr\u00e9sente une excellente r\u00e9sistance \u00e0 la corrosion, une plasticit\u00e9, une t\u00e9nacit\u00e9, des performances de traitement et de formage, des performances de soudage, des performances \u00e0 basse temp\u00e9rature, etc. Dans l'industrie p\u00e9troli\u00e8re et p\u00e9trochimique, l'acier inoxydable aust\u00e9nitique pr\u00e9sente de plus grands avantages dans les milieux fortement corrosifs et les milieux \u00e0 basse temp\u00e9rature, tels que les composants internes pr\u00e9sentant une r\u00e9sistance \u00e9lev\u00e9e \u00e0 la corrosion, en particulier dans les domaines suivants <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\">corrosion intergranulaire<\/a> Les installations de production d'ur\u00e9e, d'ammoniac sulfur\u00e9 et d'autres cuves de production, les \u00e9quipements de d\u00e9poussi\u00e9rage et de d\u00e9sulfuration des gaz de combustion.<\/p>\n\n\n\n<p>Le co\u00fbt de l&#039;alliage de <strong>acier inoxydable duplex<\/strong> est faible. L&#039;acier inoxydable duplex a une excellente r\u00e9sistance \u00e0 la corrosion et des performances globales plus \u00e9lev\u00e9es. Il surmonte la faible r\u00e9sistance \u00e0 la corrosion de l&#039;acier inoxydable ferritique et martensitique, et la r\u00e9sistance et la r\u00e9sistance \u00e0 l&#039;usure de l&#039;acier inoxydable aust\u00e9nitique. En raison de ses excellentes performances en termes de r\u00e9sistance \u00e0 la corrosion et \u00e0 l&#039;usure, les tuyaux en acier inoxydable duplex de l&#039;industrie p\u00e9trochimique sont principalement utilis\u00e9s dans le domaine du transport de p\u00e9trole dans les plates-formes p\u00e9troli\u00e8res offshore, qui peuvent r\u00e9sister \u00e0 la corrosion \u00e0 long terme de l&#039;eau de mer et \u00e0 l&#039;\u00e9rosion du sable.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">Raccords pour tubes en acier inoxydable<\/a> jouent principalement le r\u00f4le de canaux de transport dans divers domaines. Qu'il s'agisse du projet de transfert d'eau du sud au nord de la Chine ou du projet de gazoduc ouest-est, les tuyaux en acier inoxydable sont utilis\u00e9s.<\/p>","protected":false},"featured_media":6557,"template":"","categories":[186],"tags":[],"class_list":["post-6556","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>Petrochemical Industry Stainless Steel Pipes Application - KAYSUNS<\/title>\n<meta name=\"description\" content=\"There are many application fields of stainless steel pipes, like Petrochemical Industry Stainless Steel Pipes, LNG stainless steel pipes...\" \/>\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\/application-des-tubes-en-acier-inoxydable-dans-lindustrie-petrochimique-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Petrochemical Industry Stainless Steel Pipes Application - 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