{"id":6269,"date":"2020-07-29T07:33:12","date_gmt":"2020-07-29T07:33:12","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6269"},"modified":"2026-03-03T07:08:30","modified_gmt":"2026-03-03T07:08:30","slug":"quest-ce-que-lincoloy-825","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/quest-ce-que-lincoloy-825\/","title":{"rendered":"Qu&#039;est-ce que l&#039;Incoloy 825"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>Incoloy 825, \u00e9galement connu sous le nom de 0Cr21Ni42Mo3Cu2Ti en Chine<\/strong><\/h2>\n\n\n\n<p>nous avons introduit <a href=\"https:\/\/www.kaysuns.com\/fr\/quel-est-le-type-dalliage-incoloy800-n08800\/\" target=\"_blank\">Incoloy 800<\/a> (<a href=\"https:\/\/www.kaysuns.com\/fr\/quel-est-le-type-dalliage-incoloy800-n08800\/\" target=\"_blank\">UNS N08800<\/a>) hier, d\u00e9couvrons donc la m\u00eame s\u00e9rie de 825 aujourd&#039;hui.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"763\" height=\"508\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Incoloy-825-tubes.jpg\" alt=\"Tubes Incoloy 825\" class=\"wp-image-6270\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Incoloy-825-tubes.jpg 763w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/07\/Incoloy-825-tubes-300x200.jpg 300w\" sizes=\"(max-width: 763px) 100vw, 763px\" \/><\/figure>\n<\/div>\n\n\n<p>Il s&#039;agit d&#039;un alliage r\u00e9sistant \u00e0 la corrosion Ni-Fe-Cr-Mo-Cu stabilis\u00e9 avec du titane. Il s&#039;appelle Incoloy 825 \u00e0 l&#039;\u00e9tranger, \u00e9galement connu sous le nom d&#039;alliage Ni-O-nel 825 ou Ni-O-nel. La norme nationale chinoise est GB NS142.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.kaysuns.com\/fr\/fabricant-de-tuyaux-en-incoloy-825\/\" target=\"_blank\">Tube en Incoloy 825<\/a> poss\u00e8de une bonne r\u00e9sistance \u00e0 la corrosion g\u00e9n\u00e9rale et \u00e0 la corrosion locale, ainsi qu'une bonne performance de traitement. C'est pourquoi il a \u00e9t\u00e9 largement utilis\u00e9 dans les industries chimiques, \u00e9nerg\u00e9tiques, p\u00e9trochimiques et hydrom\u00e9tallurgiques.<\/p>\n\n\n\n<p>L&#039;\u00e9quilibre entre la teneur en nickel et la teneur en chrome dans la composition de l&#039;alliage d\u00e9termine la structure d&#039;aust\u00e9nite pure de l&#039;alliage \u00e0 l&#039;\u00e9tat de solution solide. Cependant, lors du vieillissement \u00e0 moyenne temp\u00e9rature, les carbures et les compos\u00e9s interm\u00e9talliques vont pr\u00e9cipiter sur la matrice aust\u00e9nite et intergranulaire. Ces phases pr\u00e9cipit\u00e9es vont nuire aux propri\u00e9t\u00e9s m\u00e9caniques et \u00e0 la r\u00e9sistance \u00e0 la corrosion de l&#039;alliage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>R\u00e9sistance \u00e0 la corrosion de l&#039;Incoloy 825<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1). Cet alliage est r\u00e9sistant \u00e0 la corrosion atmosph\u00e9rique en milieu industriel et marin, mais dans une atmosph\u00e8re \u00e0 forte teneur en chlorure, notamment en atmosph\u00e8re humide, cet alliage produira une corrosion par piq\u00fbres tr\u00e8s peu profonde.<\/li>\n\n\n\n<li>2). R\u00e9sistance \u00e0 la corrosion en eau douce, y compris les compos\u00e9s les plus corrosifs contenant du CO libre, du fer et du chlorure, de l&#039;eau naturelle et diverses eaux de refroidissement industrielles contenant des impuret\u00e9s, le taux de corrosion est g\u00e9n\u00e9ralement inf\u00e9rieur \u00e0 0,0025 mm\/a.<\/li>\n\n\n\n<li>3). Forte r\u00e9sistance \u00e0 la corrosion dans l&#039;eau de mer \u00e0 grande vitesse, mais une certaine corrosion se produira dans l&#039;eau de mer statique et \u00e0 basse vitesse ou dans des conditions d&#039;eau de mer pollu\u00e9e.<\/li>\n\n\n\n<li>4). Il peut \u00eatre utilis\u00e9 normalement dans une solution d&#039;acide chlorhydrique et d&#039;acide sulfureux \u00e0 temp\u00e9rature ambiante, mais pas dans de l&#039;acide chlorhydrique gaz\u00e9ifi\u00e9. En effet, l&#039;alliage a une faible r\u00e9sistance \u00e0 la corrosion dans l&#039;acide fluorhydrique.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Caract\u00e9ristiques et domaines d&#039;application<\/strong><\/h3>\n\n\n\n<p>Il a de bonnes <a href=\"https:\/\/www.kaysuns.com\/fr\/fissuration-par-corrosion-sous-contrainte-dans-lacier-inoxydable\/\" target=\"_blank\">fissuration par corrosion sous contrainte<\/a> Il pr\u00e9sente une bonne r\u00e9sistance \u00e0 l'oxydation et \u00e0 l'acide thermique non oxydant, ainsi que de bonnes propri\u00e9t\u00e9s m\u00e9caniques \u00e0 temp\u00e9rature ambiante et \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es allant jusqu'\u00e0 550 \u00b0C.<\/p>\n\n\n\n<p>G\u00e9n\u00e9ralement utilis\u00e9 dans les domaines suivants :<\/p>\n\n\n\n<p>En raison de la grande r\u00e9sistance \u00e0 la corrosion de cet alliage, il est largement utilis\u00e9 dans l&#039;industrie de transformation chimique, l&#039;eau de mer chaude et les usines hydrom\u00e9tallurgiques.<\/p>\n\n\n\n<p>Il est principalement utilis\u00e9 pour les \u00e9changeurs de chaleur, les tuyaux, les vannes, les pompes, etc. dans le traitement de l&#039;acide sulfurique chaud, des solutions contenant du chlorure, de l&#039;acide sulfureux et d&#039;autres environnements. Il est \u00e9galement largement utilis\u00e9 dans le domaine des extracteurs de p\u00e2te de bois et des puits de gaz de source profonde dans l&#039;industrie du papier.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p>Publi\u00e9 par KAYSUNS, le <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">fournisseur de raccords de tuyauterie en acier inoxydable<\/a>.<\/p>","protected":false},"featured_media":6270,"template":"","categories":[186],"tags":[],"class_list":["post-6269","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 Is Incoloy 825 - Stainless Steel Pipe Fittings Supplier - KAYSUNS<\/title>\n<meta name=\"description\" content=\"As we introduced Incoloy 800 (UNS N08800) yesterday, so what is Incoloy 825? It&#039;s also known as 0Cr21Ni42Mo3Cu2Ti in China\" \/>\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\/quest-ce-que-lincoloy-825\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is Incoloy 825 - Stainless Steel Pipe Fittings Supplier - KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"As we introduced Incoloy 800 (UNS N08800) yesterday, so what is Incoloy 825? 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