{"id":6438,"date":"2020-10-20T06:29:04","date_gmt":"2020-10-20T06:29:04","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6438"},"modified":"2025-06-19T06:46:30","modified_gmt":"2025-06-19T06:46:30","slug":"type-dacier-inoxydable-divise-par-structure-metallographique","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/type-dacier-inoxydable-divise-par-structure-metallographique\/","title":{"rendered":"Type d&#039;acier inoxydable\u00a0: divis\u00e9 par la structure m\u00e9tallographique"},"content":{"rendered":"<p>D&#039;une mani\u00e8re g\u00e9n\u00e9rale, \u00e0 l&#039;exception de certains alliages, la r\u00e9sistance \u00e0 la corrosion de l&#039;acier inoxydable aust\u00e9nitique est relativement excellente. Dans un environnement peu corrosif, le type acier inoxydable ferritique peut \u00eatre utilis\u00e9. Dans un environnement l\u00e9g\u00e8rement corrosif, si le mat\u00e9riau doit avoir une r\u00e9sistance \u00e9lev\u00e9e ou une duret\u00e9 \u00e9lev\u00e9e, l&#039;acier inoxydable martensitique et l&#039;acier inoxydable \u00e0 durcissement par pr\u00e9cipitation peuvent \u00eatre utilis\u00e9s.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"839\" height=\"518\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/stainless-steel-pipe-fittings-supplier.jpg\" alt=\"fournisseur de raccords de tuyauterie en acier inoxydable\" class=\"wp-image-6193\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/stainless-steel-pipe-fittings-supplier.jpg 839w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/stainless-steel-pipe-fittings-supplier-300x185.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/stainless-steel-pipe-fittings-supplier-768x474.jpg 768w\" sizes=\"(max-width: 839px) 100vw, 839px\" \/><\/figure>\n\n\n\n<h2 style=\" font-size:14px\">Selon la diff\u00e9rence de structure m\u00e9tallographique, le type d&#039;acier inoxydable peut \u00eatre divis\u00e9 en les types suivants\u00a0:<\/h2>\n\n\n\n<p><strong>Acier inoxydable aust\u00e9nitique<\/strong><br \/>La matrice est principalement en acier inoxydable \u00e0 structure cristalline cubique \u00e0 faces centr\u00e9es (phase CY) aust\u00e9nitique, non magn\u00e9tique, et majoritairement renforc\u00e9e par \u00e9crouissage (et pouvant conduire \u00e0 certaines propri\u00e9t\u00e9s magn\u00e9tiques). L&#039;American Iron and Steel Institute utilise des nombres dans les s\u00e9ries 200 et 300, tels que 304.<\/p>\n\n\n\n<p><strong>Acier inoxydable ferritique<\/strong><br \/>La matrice est principalement une structure de ferrite avec une structure cristalline cubique centr\u00e9e ((phase a), qui est magn\u00e9tique et ne peut g\u00e9n\u00e9ralement pas \u00eatre durcie par traitement thermique, mais peut \u00eatre l\u00e9g\u00e8rement renforc\u00e9e par \u00e9crouissage. L&#039;American Iron and Steel Institute utilise 430 et 446 comme \u00e9tiquettes.<\/p>\n\n\n\n<p><strong>Acier inoxydable martensitique<\/strong><br \/>La matrice est un acier inoxydable \u00e0 structure martensitique (cubique centr\u00e9 ou cubique), qui est magn\u00e9tique, et ses propri\u00e9t\u00e9s m\u00e9caniques peuvent \u00eatre ajust\u00e9es par traitement thermique. L&#039;American Iron and Steel Institute est marqu\u00e9 avec les num\u00e9ros 410, 420 et 440. La martensite a une structure d&#039;aust\u00e9nite \u00e0 haute temp\u00e9rature, et lorsqu&#039;elle est refroidie \u00e0 temp\u00e9rature ambiante \u00e0 une vitesse appropri\u00e9e, la structure d&#039;aust\u00e9nite peut \u00eatre transform\u00e9e en martensite (c&#039;est-\u00e0-dire durcie).<\/p>\n\n\n\n<p><strong>Aust\u00e9nitique-ferritique (acier inoxydable duplex)<\/strong>) <br \/>La matrice pr\u00e9sente une structure biphas\u00e9e compos\u00e9e d'aust\u00e9nite et de ferrite. La teneur de la matrice de la phase mineure est g\u00e9n\u00e9ralement sup\u00e9rieure \u00e0 15%. Il s'agit d'un acier inoxydable qui peut \u00eatre renforc\u00e9 par travail \u00e0 froid. Le 329 est un acier inoxydable duplex typique. Compar\u00e9 \u00e0 l'acier inoxydable aust\u00e9nitique, l'acier biphas\u00e9 pr\u00e9sente une r\u00e9sistance sup\u00e9rieure et une r\u00e9sistance nettement am\u00e9lior\u00e9e \u00e0 <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\">corrosion intergranulaire<\/a>, corrosion sous contrainte par le chlorure et corrosion par piq\u00fbres.<\/p>\n\n\n\n<p><strong>Acier inoxydable durcissant par pr\u00e9cipitation<\/strong><br \/>Un acier inoxydable dont la matrice est l&#039;aust\u00e9nite ou la martensite et peut \u00eatre durci par traitement de durcissement par pr\u00e9cipitation. L&#039;American Iron and Steel Institute utilise la s\u00e9rie 600 de nombres, tels que 630 ou 17-4PH.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\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":6193,"template":"","categories":[186],"tags":[],"class_list":["post-6438","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>Stainless Steel Type: Divided By Metallographic Structure - KAYSUNS<\/title>\n<meta name=\"description\" content=\"According to the difference of metallographic structure, stainless steel type can be divided into austenitic, duplex, etc.\" \/>\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\/type-dacier-inoxydable-divise-par-structure-metallographique\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stainless Steel Type: Divided By Metallographic Structure - 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