{"id":6196,"date":"2020-06-30T07:12:39","date_gmt":"2020-06-30T07:12:39","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6196"},"modified":"2025-06-19T06:49:43","modified_gmt":"2025-06-19T06:49:43","slug":"quest-ce-que-le-tp347h","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/fr\/blog\/quest-ce-que-le-tp347h\/","title":{"rendered":"Qu&#039;est-ce que le TP347H ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Introduction du tube en acier inoxydable TP347H (1Cr19Ni11Nb)<\/h2>\n\n\n\n<p>Comme un <a href=\"https:\/\/www.kaysuns.com\/fr\/\" target=\"_blank\">fournisseur de raccords de tuyauterie en acier inoxydable<\/a>, aujourd&#039;hui kaysuns partagera l&#039;introduction de ce qui est TP347H (1Cr19Ni11Nb) <a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\">tuyaux en acier inoxydable<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/07\/IMG_20160712_141129-1.jpg\" alt=\"Tuyau en acier inoxydable 347\/347H\" class=\"wp-image-5071\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/07\/IMG_20160712_141129-1.jpg 1000w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/07\/IMG_20160712_141129-1-300x225.jpg 300w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/07\/IMG_20160712_141129-1-768x576.jpg 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n<\/div>\n\n\n<p>Le TP347H (1Cr19Ni11Nb) est un acier inoxydable aust\u00e9nitique \u00e0 haute teneur en carbone contenant du niobium et du Cr-Ni. Gr\u00e2ce \u00e0 l'\u00e9l\u00e9ment stabilisateur Nb, il pr\u00e9sente une bonne r\u00e9sistance \u00e0 la corrosion. <a href=\"https:\/\/www.kaysuns.com\/fr\/corrosion-intergranulaire-danger-cache\/\" target=\"_blank\">corrosion intergranulaire<\/a> et la corrosion intergranulaire sous contrainte de l'acide polysulfurique.<\/p>\n\n\n\n<p>L&#039;acier inoxydable 347H est une sorte d&#039;acier inoxydable avec une tr\u00e8s bonne stabilit\u00e9. A condition que la temp\u00e9rature atteigne 800-1500\u00b0F (427-816\u00b0C) et que le carbure de chrome soit pr\u00e9cipit\u00e9, il peut encore maintenir une bonne r\u00e9sistance \u00e0 la corrosion intergranulaire. <\/p>\n\n\n\n<p>En raison de l&#039;ajout de titane dans la composition, le 347H peut encore maintenir la stabilit\u00e9 en cas de formation de carbure de chrome.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>S\u00e9rie TP347H &amp; TP316, qui est le meilleur ?<\/strong><\/h3>\n\n\n\n<p>Le Nb est moins susceptible de br\u00fbler que le Ti, ce type d&#039;acier peut \u00eatre utilis\u00e9 comme noyau de soudage pour le soudage de l&#039;acier inoxydable aust\u00e9nitique au chrome-nickel. Cet acier a une r\u00e9sistance \u00e0 haute temp\u00e9rature plus \u00e9lev\u00e9e et une meilleure r\u00e9sistance \u00e0 l&#039;oxydation \u00e0 haute temp\u00e9rature que la s\u00e9rie 316, il est donc souvent utilis\u00e9 comme acier \u00e0 haute r\u00e9sistance.<\/p>\n\n\n\n<p>En raison de ses excellentes propri\u00e9t\u00e9s m\u00e9caniques, l&#039;acier inoxydable 347H pr\u00e9sente des avantages pour travailler dans un environnement \u00e0 haute temp\u00e9rature. Compar\u00e9 \u00e0 la s\u00e9rie 316, l&#039;acier inoxydable 347H a une meilleure ductilit\u00e9 et une meilleure r\u00e9sistance \u00e0 la rupture sous contrainte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Applications<\/strong><\/h3>\n\n\n\n<p>Parce que sa r\u00e9sistance \u00e0 la corrosion dans les acides, alcalis, sels et autres milieux corrosifs est similaire \u00e0 celle de l&#039;acier inoxydable aust\u00e9nitique 18-8 contenant du Ti, il est largement utilis\u00e9 dans les chaudi\u00e8res, la production d&#039;\u00e9lectricit\u00e9, le p\u00e9trole, les produits chimiques, les fibres synth\u00e9tiques, les aliments, le papier et d&#039;autres industries. <\/p>\n\n\n\n<p>*La temp\u00e9rature d&#039;anti-oxydation admissible pour <a href=\"https:\/\/www.kaysuns.com\/fr\/tube-en-acier-inoxydable-347-347h\/\" target=\"_blank\">Tubes en acier inoxydable TP347H<\/a> dans les tubes de chaudi\u00e8re est de 750\u2103.<\/p>\n\n\n\n<p>Principalement utilis\u00e9 dans les grands tubes de surchauffeur de chaudi\u00e8re, les tubes de r\u00e9chauffeur, les tuyaux de vapeur et les \u00e9changeurs de chaleur dans l&#039;industrie p\u00e9trochimique.<\/p>\n\n\n\n<p><\/p>","protected":false},"featured_media":5071,"template":"","categories":[186],"tags":[],"class_list":["post-6196","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 TP347H? 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-Tuyau en acier duplex, fournisseur de raccords de tuyauterie en acier inoxydable","description":"En tant que fournisseur de raccords de tuyauterie en acier inoxydable, kaysuns partagera aujourd&#039;hui l&#039;introduction des tuyaux en acier inoxydable TP347H (1Cr19Ni11Nb).","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kaysuns.com\/fr\/blog\/quest-ce-que-le-tp347h\/","og_locale":"fr_FR","og_type":"article","og_title":"What Is TP347H? -Duplex Steel Pipe, Stainless Steel Pipe Fittings Supplier","og_description":"As a stainless steel pipe fittings supplier, today kaysuns will share the introduction of what is TP347H (1Cr19Ni11Nb) stainless steel pipes.","og_url":"https:\/\/www.kaysuns.com\/fr\/blog\/quest-ce-que-le-tp347h\/","og_site_name":"Stainless Steel Pipe and Fittings | KAYSUNS","article_modified_time":"2025-06-19T06:49:43+00:00","og_image":[{"width":1000,"height":750,"url":"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2019\/07\/IMG_20160712_141129-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.kaysuns.com\/blog\/what-is-tp347h\/","url":"https:\/\/www.kaysuns.com\/blog\/what-is-tp347h\/","name":"Qu&#039;est-ce que le TP347H ? 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