{"id":6477,"date":"2020-11-04T06:50:08","date_gmt":"2020-11-04T06:50:08","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6477"},"modified":"2022-06-30T08:58:26","modified_gmt":"2022-06-30T08:58:26","slug":"avantages-de-la-performance-des-tubes-en-acier-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/avantages-de-la-performance-des-tubes-en-acier-duplex\/","title":{"rendered":"Avantages de performance des tuyaux en acier duplex"},"content":{"rendered":"<p>L'acier inoxydable duplex poss\u00e8de \u00e0 la fois des structures ferritiques et aust\u00e9nitiques. C'est pourquoi l'acier inoxydable duplex pr\u00e9sente \u00e0 la fois les avantages en termes de performances de l'acier inoxydable ferritique et de l'acier inoxydable aust\u00e9nitique. <a href=\"https:\/\/www.kaysuns.com\/fr\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">Tuyau en acier inoxydable duplex<\/a> a les caract\u00e9ristiques de performance suivantes :<\/p>\n\n\n\n<p><strong>Bonnes propri\u00e9t\u00e9s m\u00e9caniques<\/strong><br \/>Compar\u00e9 \u00e0 l&#039;acier inoxydable ferritique monophas\u00e9 et \u00e0 l&#039;acier inoxydable aust\u00e9nitique monophas\u00e9, l&#039;acier inoxydable duplex a une r\u00e9sistance et une duret\u00e9 plus \u00e9lev\u00e9es, et sa plasticit\u00e9 et sa t\u00e9nacit\u00e9 se situent entre les deux. La limite d&#039;\u00e9lasticit\u00e9 de l&#039;acier duplex de deuxi\u00e8me g\u00e9n\u00e9ration peut \u00eatre jusqu&#039;\u00e0 deux fois sup\u00e9rieure \u00e0 celle de l&#039;acier inoxydable aust\u00e9nitique de TYPE 18-8.<\/p>\n\n\n\n<p><strong>Meilleure r\u00e9sistance \u00e0 la corrosion<\/strong><br \/>Dans des conditions de faible contrainte, les aciers inoxydables aust\u00e9nitiques g\u00e9n\u00e9raux sont sensibles \u00e0 la corrosion sous contrainte et \u00e0 la rupture dans une solution de chlorure neutre \u00e0 une temp\u00e9rature sup\u00e9rieure \u00e0 60 , tandis que les aciers inoxydables duplex ont une bonne r\u00e9sistance \u00e0 la corrosion sous contrainte de chlorure et conviennent \u00e0 une utilisation. Il est utilis\u00e9 pour fabriquer des \u00e9quipements industriels servir dans le chlorure et d&#039;autres m\u00e9dias.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"424\" height=\"252\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Internal-corrosion-of-2205-pipeline-after-500-days.jpg\" alt=\"Corrosion-interne-du-pipeline-2205-apr\u00e8s-500-jours\" class=\"wp-image-6277\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Internal-corrosion-of-2205-pipeline-after-500-days.jpg 424w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Internal-corrosion-of-2205-pipeline-after-500-days-300x178.jpg 300w\" sizes=\"(max-width: 424px) 100vw, 424px\" \/><\/figure><\/div>\n\n\n\n<p>L&#039;acier inoxydable duplex a une bonne r\u00e9sistance \u00e0 la corrosion par piq\u00fbres : lorsqu&#039;il a la m\u00eame valeur \u00e9quivalente de r\u00e9sistance aux piq\u00fbres, le potentiel de piq\u00fbre critique de l&#039;acier inoxydable duplex et de l&#039;acier inoxydable aust\u00e9nitique est similaire. L&#039;acier inoxydable duplex contenant du 25% Cr, en particulier l&#039;acier inoxydable duplex \u00e0 haute teneur en chrome contenant de l&#039;azote, a une r\u00e9sistance \u00e0 la corrosion par piq\u00fbres et \u00e0 la corrosion caverneuse qui d\u00e9passe l&#039;acier inoxydable aust\u00e9nitique. Dans certaines conditions de milieu corrosif, il convient aux syst\u00e8mes de tuyauterie de fluides corrosifs.<\/p>\n\n\n\n<p><strong>Bons avantages de performance de traitement<\/strong><br \/>Compar\u00e9 \u00e0 l&#039;acier inoxydable aust\u00e9nitique, l&#039;acier inoxydable duplex a une plage de temp\u00e9ratures de travail \u00e0 chaud plus large et une r\u00e9sistance plus faible. Par cons\u00e9quent, l&#039;acier inoxydable duplex peut \u00eatre directement lamin\u00e9 et billette sans forgeage, et utilis\u00e9 pour le duplex <a href=\"https:\/\/www.kaysuns.com\/fr\/tube-soude-en-acier-inoxydable\/\" target=\"_blank\">tubes soud\u00e9s en acier inoxydable<\/a>. L&#039;acier inoxydable duplex a un plus grand effet d&#039;\u00e9crouissage pendant le travail \u00e0 froid.<\/p>\n\n\n\n<p><strong>Autres propri\u00e9t\u00e9s<\/strong>: Par rapport aux tuyaux en acier inoxydable aust\u00e9nitique, les tuyaux en acier inoxydable duplex ont une plus grande conductivit\u00e9 thermique et des coefficients de dilatation lin\u00e9aire plus petits.<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>Post\u00e9 par <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">fournisseur de raccords de tuyauterie en acier inoxydable<\/a>KAYSUNS.<\/p>","protected":false},"featured_media":6277,"template":"","categories":[186],"tags":[],"class_list":["post-6477","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>Performance Advantages of Duplex Steel Pipe - KAYSUNS<\/title>\n<meta name=\"description\" content=\"Duplex stainless steel pipe has both the performance advantages of ferritic stainless steel and austenitic stainless steel, 4 points here...\" \/>\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\/avantages-de-la-performance-des-tubes-en-acier-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Performance Advantages of Duplex Steel Pipe - 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