{"id":6470,"date":"2020-10-30T07:18:46","date_gmt":"2020-10-30T07:18:46","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6470"},"modified":"2025-07-01T06:28:36","modified_gmt":"2025-07-01T06:28:36","slug":"quelles-sont-les-caracteristiques-et-les-performances-du-tube-duplex-saf2507","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/quelles-sont-les-caracteristiques-et-les-performances-du-tube-duplex-saf2507\/","title":{"rendered":"Quelles sont les caract\u00e9ristiques et les performances du tuyau duplex SAF2507"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Le tuyau duplex SAF2507 est un tuyau en acier inoxydable super duplex<\/strong><\/h2>\n\n\n\n<p>Les principaux \u00e9l\u00e9ments d'alliage du tube duplex SAF2507 sont le chrome 25%, le chrome 4%, l'aluminium 4%, le cuivre 4%, l'aluminium 4% et l'acier inoxydable. <a href=\"https:\/\/www.kaysuns.com\/fr\/role-du-molybdene-dans-les-tubes-et-raccords-en-acier-inoxydable\/\" target=\"_blank\">molybd\u00e8ne<\/a> et du nickel 7%. Gr\u00e2ce \u00e0 la teneur \u00e9lev\u00e9e en chrome et en molybd\u00e8ne de cet acier, sa r\u00e9sistance \u00e0 la corrosion est extr\u00eamement forte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"585\" height=\"459\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/2507-Super-Duplex-Stainless-Steel-Bar.jpg\" alt=\"2507 Tuyau Duplex\" class=\"wp-image-6021\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/2507-Super-Duplex-Stainless-Steel-Bar.jpg 585w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/2507-Super-Duplex-Stainless-Steel-Bar-300x235.jpg 300w\" sizes=\"(max-width: 585px) 100vw, 585px\" \/><\/figure>\n\n\n\n<p>Dans l&#039;environnement d&#039;acide chlorhydrique dilu\u00e9, SAF2507 <a href=\"https:\/\/www.kaysuns.com\/fr\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tuyau en acier inoxydable duplex<\/a> a une meilleure r\u00e9sistance aux dommages ponctuels et \u00e0 la corrosion caverneuse que l'acier aust\u00e9nitique 316L ; Dans l'acide sulfurique dilu\u00e9 m\u00e9lang\u00e9 \u00e0 des ions chlorure, le tube en acier duplex SAF2507 est plus r\u00e9sistant \u00e0 la corrosion que le 904L (sp\u00e9cialement utilis\u00e9 pour l'acier aust\u00e9nitique r\u00e9sistant \u00e0 la corrosion par l'acide sulfurique pur) ; La r\u00e9sistance du SAF2507 \u00e0 la corrosion par l'acide sulfurique pur est sup\u00e9rieure \u00e0 celle de l'acier aust\u00e9nitique. <a href=\"https:\/\/www.kaysuns.com\/fr\/fissuration-par-corrosion-sous-contrainte-dans-lacier-inoxydable\/\" target=\"_blank\">fissuration par corrosion sous contrainte<\/a> La r\u00e9sistance et la solidit\u00e9 de l'acier sont sup\u00e9rieures \u00e0 celles du 2205.<\/p>\n\n\n\n<p>Le duplex SAF2507 a une r\u00e9sistance \u00e0 la compression \u00e9lev\u00e9e, une r\u00e9sistance aux chocs, un faible coefficient de dilatation thermique et une conductivit\u00e9 thermique \u00e9lev\u00e9e, il convient donc au traitement de dispositifs m\u00e9caniques. Bien que le SAF2507 ait une r\u00e9sistance aux chocs \u00e9lev\u00e9e, la t\u00e9nacit\u00e9 de l&#039;acier inoxydable duplex SAF2507 sera consid\u00e9rablement r\u00e9duite dans un environnement \u00e0 temp\u00e9rature sup\u00e9rieure \u00e0 570\u00b0F.<\/p>\n\n\n\n<p>La teneur \u00e9lev\u00e9e en alliage du SAF2507 est sa r\u00e9sistance \u00e0 la corrosion et ses propri\u00e9t\u00e9s m\u00e9caniques. En raison de la garantie d&#039;autres aciers inoxydables, mais apr\u00e8s soudage, un grand nombre d&#039;\u00e9l\u00e9ments d&#039;alliage provoqueront \u00e9galement la pr\u00e9cipitation de phases cassantes, de nitrures et de carbures, ce qui affecte \u00e0 son tour ses propri\u00e9t\u00e9s m\u00e9caniques et de corrosion de <a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\">tuyau en acier inoxydable<\/a> soudage.<\/p>\n\n\n\n<p>Publi\u00e9 par KAYSUNS, l&#039;un des meilleurs <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">fournisseurs de raccords de tuyauterie en acier inoxydable<\/a><\/p>","protected":false},"featured_media":6021,"template":"","categories":[186],"tags":[],"class_list":["post-6470","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>What Are The Characteristics And Performance Of SAF2507 Duplex Pipe ?<\/title>\n<meta name=\"description\" content=\"SAF2507 duplex pipe is a super duplex stainless steel pipe. Its main alloying elements include 25% chromium, 4% molybdenum and 7% nickel.\" \/>\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\/quelles-sont-les-caracteristiques-et-les-performances-du-tube-duplex-saf2507\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Are The Characteristics And Performance Of SAF2507 Duplex Pipe ?\" \/>\n<meta property=\"og:description\" content=\"SAF2507 duplex pipe is a super duplex stainless steel pipe. Its main alloying elements include 25% chromium, 4% molybdenum and 7% nickel.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kaysuns.com\/fr\/blog\/quelles-sont-les-caracteristiques-et-les-performances-du-tube-duplex-saf2507\/\" \/>\n<meta property=\"og:site_name\" content=\"Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-01T06:28:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/2507-Super-Duplex-Stainless-Steel-Bar.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"585\" \/>\n\t<meta property=\"og:image:height\" content=\"459\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kaysuns.com\/blog\/what-are-the-characteristics-and-performance-of-saf2507-duplex-pipe\/\",\"url\":\"https:\/\/www.kaysuns.com\/blog\/what-are-the-characteristics-and-performance-of-saf2507-duplex-pipe\/\",\"name\":\"What Are The Characteristics And Performance Of SAF2507 Duplex Pipe ?\",\"isPartOf\":{\"@id\":\"https:\/\/www.kaysuns.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/what-are-the-characteristics-and-performance-of-saf2507-duplex-pipe\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.kaysuns.com\/blog\/what-are-the-characteristics-and-performance-of-saf2507-duplex-pipe\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/2507-Super-Duplex-Stainless-Steel-Bar.jpg\",\"datePublished\":\"2020-10-30T07:18:46+00:00\",\"dateModified\":\"2025-07-01T06:28:36+00:00\",\"description\":\"SAF2507 duplex pipe is a super duplex stainless steel pipe. 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