{"id":5254,"date":"2019-09-11T03:29:48","date_gmt":"2019-09-11T03:29:48","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5254"},"modified":"2022-06-30T09:03:44","modified_gmt":"2022-06-30T09:03:44","slug":"principales-applications-domaines-industriels-et-applications-des-tubes-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/principales-applications-domaines-industriels-et-applications-des-tubes-duplex\/","title":{"rendered":"Domaines d&#039;application principaux et applications des tuyaux duplex"},"content":{"rendered":"<h2>L&#039;acier inoxydable duplex est un acier inoxydable r\u00e9sistant \u00e0 la corrosion<\/h2>\n<p>En raison de ses avantages particuliers, <a href=\"https:\/\/www.kaysuns.com\/fr\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tuyau duplex 2205<\/a> est largement utilis\u00e9 dans les \u00e9quipements p\u00e9trochimiques, les \u00e9quipements de traitement de l&#039;eau de mer et des eaux us\u00e9es, les ol\u00e9oducs et gazoducs, les machines \u00e0 papier et d&#039;autres domaines industriels. Ce sont d&#039;excellents tuyaux en acier inoxydable. L&#039;acier inoxydable duplex a \u00e9galement \u00e9t\u00e9 \u00e9tudi\u00e9 pour une utilisation dans le domaine des structures porteuses de ponts.<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5255\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205.jpg\" alt=\"acier inoxydable duplex 2205\" width=\"800\" height=\"527\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205.jpg 800w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205-300x198.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/09\/duplex-stainless-steel-2205-768x506.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/p>\n<h3><strong>1. Environnement de chlorure neutre<\/strong><\/h3>\n<p>L&#039;acier inoxydable duplex est largement utilis\u00e9 dans les environnements de chlorure neutre. Dans le processus de fabrication, une petite quantit\u00e9 de solution contenant des ions chlorure est g\u00e9n\u00e9ralement utilis\u00e9e comme eau de refroidissement, ce qui provoque des contraintes dans l&#039;acier inoxydable aust\u00e9nitique ordinaire (tel que l&#039;AISI 304\/316). La tendance \u00e0 la corrosion et l&#039;acier inoxydable duplex peuvent tr\u00e8s bien r\u00e9soudre ce probl\u00e8me. La r\u00e9sistance \u00e0 la corrosion est g\u00e9n\u00e9ralement exprim\u00e9e par l&#039;indice \u00e9quivalent de piq\u00fbre PRE=Cr% +3,3Mo%+16N%, dans lequel l&#039;acier inoxydable duplex a une valeur PRE sup\u00e9rieure \u00e0 24 et une valeur PRE aust\u00e9nitique inf\u00e9rieure \u00e0 20.<\/p>\n<h3><strong>2. Industrie p\u00e9troli\u00e8re et gazi\u00e8re<\/strong><\/h3>\n<p>Depuis les ann\u00e9es 1980, l&#039;acier inoxydable duplex est de plus en plus utilis\u00e9 dans la production de gaz et de p\u00e9trole acides, principalement utilis\u00e9 dans la production de rev\u00eatements de canalisations, d&#039;\u00e9changeurs de chaleur et de syst\u00e8mes de canalisations onshore et offshore. Surtout dans la production de p\u00e9trole et de gaz naturel, la plupart des aciers inoxydables duplex sont confront\u00e9s \u00e0 un environnement acide, c&#039;est-\u00e0-dire un environnement contenant une grande quantit\u00e9 d&#039;ions chlorure, de dioxyde de carbone et un peu de dioxyde de soufre. Dans l&#039;environnement vicieux du dioxyde de carbone humide contenant des ions chlorure, l&#039;acier inoxydable duplex est le premier choix pour un mat\u00e9riau id\u00e9al. Il r\u00e9siste \u00e0 l&#039;usure et \u00e0 la corrosion \u00e0 haut d\u00e9bit et est plus r\u00e9sistant \u00e0 l&#039;usure et \u00e0 la corrosion \u00e0 haut d\u00e9bit que l&#039;acier au carbone et l&#039;acier inoxydable avec inhibiteur de corrosion. Il est \u00e9galement utilis\u00e9 dans le syst\u00e8me de tuyauterie en amont pour r\u00e9duire le poids des mat\u00e9riaux.<\/p>\n<h3><strong>3. Environnement marin<\/strong><\/h3>\n<p>L&#039;eau de mer est l&#039;un des milieux les plus corrosifs du milieu naturel. Dans le cas de l&#039;eau de mer chaude, l&#039;acier inoxydable super duplex est principalement utilis\u00e9. Par exemple, un \u00e9changeur d&#039;eau de mer en acier inoxydable super duplex SAF 2507 n&#039;a pas \u00e9t\u00e9 corrod\u00e9 depuis 3 ans, et le tube en titane ne peut \u00eatre utilis\u00e9 que 3 mois car il ne r\u00e9siste pas \u00e0 la corrosion.<\/p>\n<h3><strong>4. Industrie des p\u00e2tes et papiers<\/strong><\/h3>\n<p>L&#039;acier inoxydable duplex est dans le d\u00e9veloppement de l&#039;industrie des p\u00e2tes et papiers depuis plus de 40 ans, et l&#039;acier inoxydable duplex 3RE60 a \u00e9t\u00e9 utilis\u00e9 pour la premi\u00e8re fois dans ce domaine. En plus de l&#039;acier 3RE60, d&#039;autres aciers inoxydables duplex tels que UR45N (SAF2205), UR47N (00Cr25Ni6.5Mo3N), UR52N+ (00Cr25Ni6.5Mo3.5CuN) sont utilis\u00e9s dans divers domaines industriels.<\/p>\n<h3><strong>5. Industrie des engrais<\/strong><\/h3>\n<p>L&#039;industrie de l&#039;ur\u00e9e est \u00e9galement l&#039;un des premiers d\u00e9partements \u00e0 utiliser l&#039;acier inoxydable duplex. L&#039;\u00e9quipement d&#039;\u00e9change de chaleur contenant de l&#039;eau d&#039;ions chlorure dans l&#039;appareil est davantage utilis\u00e9. Le faisceau de tubes d&#039;origine en acier inoxydable aust\u00e9nitique 304L a \u00e9t\u00e9 utilis\u00e9 et la corrosion sous contrainte s&#039;est fissur\u00e9e un mois plus tard, provoquant des fuites. L&#039;acier inoxydable duplex peut \u00eatre utilis\u00e9 pendant plus de 5 ans, puis les refroidisseurs du premier et du deuxi\u00e8me \u00e9tage sont \u00e9galement remplac\u00e9s par de l&#039;acier inoxydable duplex 18-5Mo ou SAF2205.<\/p>\n<p>En raison de la bonne r\u00e9sistance \u00e0 la corrosion de l&#039;acier inoxydable duplex dans le milieu d&#039;ur\u00e9e, il convient \u00e0 la production de l&#039;\u00e9quipement cl\u00e9 de la pompe de production d&#039;ur\u00e9e.<\/p>\n<p>De plus, l&#039;acier inoxydable duplex renforc\u00e9 au vieillissement 0Cr25Ni6Mo3CuN domestique pr\u00e9sente une excellente r\u00e9sistance \u00e0 l&#039;usure et \u00e0 la corrosion.<\/p>\n<h3><strong>6. Industrie des transports<\/strong><\/h3>\n<p>Ces derni\u00e8res ann\u00e9es, l&#039;industrie des navires de transport de produits chimiques marins est le plus grand utilisateur d&#039;acier inoxydable duplex dans les pays \u00e9trangers, repr\u00e9sentant environ 50% de t\u00f4le lamin\u00e9e \u00e0 chaud. Les chimiquiers transportent une large gamme de cargaisons liquides, y compris des produits chimiques et p\u00e9trochimiques, n\u00e9cessitant des mat\u00e9riaux de cabine \u00e0 la fois r\u00e9sistants \u00e0 la corrosion, \u00e0 haute r\u00e9sistance et d&#039;une excellente plasticit\u00e9. \u00c0 l&#039;heure actuelle, l&#039;acier inoxydable duplex SAF2205 a remplac\u00e9 les aciers inoxydables aust\u00e9nitiques tels que le 316L et le 317L, ce qui en fait le mat\u00e9riau de choix pour les chimiquiers marins.<\/p>","protected":false},"featured_media":5255,"template":"","categories":[186],"tags":[],"class_list":["post-5254","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>Main Application Industry Areas And Applications Of Duplex Pipes - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\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\/principales-applications-domaines-industriels-et-applications-des-tubes-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Main Application Industry Areas And Applications Of Duplex Pipes - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"Duplex stainless steel is a corrosion-resistant stainless steel Due to its special advantages, duplex 2205 pipe is widely used in petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, papermaking machinery and other industrial fields. 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