{"id":3996,"date":"2021-08-04T03:11:04","date_gmt":"2021-08-04T03:11:04","guid":{"rendered":"https:\/\/www.wldsteel.com\/?p=3996"},"modified":"2021-08-04T03:13:46","modified_gmt":"2021-08-04T03:13:46","slug":"what-is-the-creep-resistant-steel-used-for","status":"publish","type":"post","link":"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/","title":{"rendered":"\u00c0 quoi sert l'acier r\u00e9sistant au fluage ?"},"content":{"rendered":"<p>Le molybd\u00e8ne est un \u00e9l\u00e9ment d'alliage cl\u00e9 dans les aciers ferrites r\u00e9sistant au fluage et fonctionnant \u00e0 des temp\u00e9ratures allant jusqu'\u00e0 530\u00b0C. Les principales applications de l'acier r\u00e9sistant au fluage se trouvent dans les centrales \u00e9lectriques et les usines p\u00e9trochimiques, o\u00f9 les turbines \u00e0 vapeur n\u00e9cessitent de grandes pi\u00e8ces forg\u00e9es et moul\u00e9es, et o\u00f9 les appareils \u00e0 pression, les chaudi\u00e8res et les syst\u00e8mes de tuyauterie n\u00e9cessitent des tubes, des plaques et des accessoires de toutes sortes.Outre la r\u00e9sistance au fluage \u00e0 haute temp\u00e9rature, d'autres propri\u00e9t\u00e9s du mat\u00e9riau telles que la trempabilit\u00e9, la r\u00e9sistance \u00e0 la corrosion et la soudabilit\u00e9 sont \u00e9galement importantes. L'importance relative de ces propri\u00e9t\u00e9s d\u00e9pend de l'application sp\u00e9cifique du mat\u00e9riau. Par exemple, les grands rotors de turbine ont besoin d'un acier pr\u00e9sentant une bonne trempabilit\u00e9, et les syst\u00e8mes de tuyauterie des centrales \u00e9lectriques doivent pouvoir \u00eatre soud\u00e9s. N\u00e9anmoins, les alliages utilis\u00e9s dans ces diff\u00e9rentes applications reposent tous sur les m\u00eames principes pour am\u00e9liorer la r\u00e9sistance au fluage.<\/p>\n\n\n\n<p>Le molybd\u00e8ne en solution solide peut r\u00e9duire tr\u00e8s efficacement la vitesse de fluage de l'acier. Lorsqu'il est utilis\u00e9 \u00e0 haute temp\u00e9rature, le molybd\u00e8ne ralentit l'agglom\u00e9ration et le grossissement des carbures (m\u00fbrissement d'ostwald). La trempe et le revenu produisent une microstructure compos\u00e9e de bainite sup\u00e9rieure, ce qui donne les meilleurs r\u00e9sultats en mati\u00e8re de r\u00e9sistance \u00e0 haute temp\u00e9rature. Pour les centrales \u00e9lectriques au charbon, l'efficacit\u00e9 des groupes \u00e9lectrog\u00e8nes sous-critiques est inf\u00e9rieure \u00e0 40 %. Les futures centrales ultra-supercritiques (USC) devraient avoir un rendement sup\u00e9rieur \u00e0 50 %, r\u00e9duisant de pr\u00e8s de moiti\u00e9 les \u00e9missions de dioxyde de carbone par kilowattheure d'\u00e9lectricit\u00e9 produite. L'acier ferritique r\u00e9sistant au fluage est encore couramment utilis\u00e9 dans les centrales \u00e9lectriques, les raffineries de p\u00e9trole et les usines p\u00e9trochimiques du monde entier. Les composants comprennent des tubes sans soudure pour les chaudi\u00e8res \u00e0 eau chaude et les surchauffeurs, le tambour de la chaudi\u00e8re, le collecteur, les pompes et les r\u00e9servoirs sous pression pour les applications \u00e0 haute temp\u00e9rature, ainsi que les colonnes des turbines \u00e0 vapeur de plus de 2 m\u00e8tres de diam\u00e8tre et de plus de 100 tonnes. Cet acier peut \u00eatre class\u00e9 comme acier C-Mn, acier Mo, acier C-RMO faiblement alli\u00e9 et acier Cr 9-12%.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Type d'installation Sous-critique (plus de 300000 kw)<\/strong><\/td><\/tr><tr><td>Mur d'eau :A192, SA-106B, SA-106C,<\/td><\/tr><tr><td>Surchauffe : T11\/P12,P22\/<a href=\"https:\/\/www.wldsteel.com\/fr\/produit\/astm-a213-t22-seamless-steel-tube\/\">T22<\/a>,T23, <a href=\"https:\/\/www.wldsteel.com\/fr\/produit\/astm-a213-t91-seamless-steel-tube\/\">T91<\/a>,T92<\/td><\/tr><tr><td>R\u00e9chauffeur : P11,T23,<a href=\"https:\/\/www.wldsteel.com\/fr\/produit\/astm-a213-t91-seamless-steel-tube\/\">T91<\/a>,T92<\/td><\/tr><tr><td>Economiseur : A192<\/td><\/tr><tr><td>Tuyau collecteur et tuyau de vapeur : A192, T12, P12<\/td><\/tr><tr><td><strong>Supercritique(SC)(Plus de 600000 kw)<\/strong><\/td><\/tr><tr><td>Surchauffe : <a href=\"https:\/\/www.wldsteel.com\/fr\/produit\/astm-a213-t22-seamless-steel-tube\/\">T22<\/a>T23, T91, T92, TP347H, TP347HFG, SUPER304H, HR3C<\/td><\/tr><tr><td>Mat\u00e9riau du r\u00e9chauffeur : P12,T23,T91,T92,TP347H,TP347HFG,SUPER304H,HR3C<\/td><\/tr><tr><td>Mat\u00e9riaux de l'\u00e9conomiseur : A192,\u00a0<a href=\"https:\/\/www.wldsteel.com\/fr\/produit\/astm-a210-grade-c-tube-sans-soudure\/\">SA210C<\/a><\/td><\/tr><tr><td>Collecteur et tuyau de vapeur : P11, P91, P92<\/td><\/tr><tr><td><strong>Ultra-supercritique (USC) (plus de 660000 kw)<\/strong><\/td><\/tr><tr><td>Mat\u00e9riau de surchauffe : <a href=\"https:\/\/www.wldsteel.com\/fr\/produit\/astm-a213-t22-seamless-steel-tube\/\">T22<\/a>T23,T91,T92,TP347H,TP347HFG, SUPER304H, HR3C<\/td><\/tr><tr><td>R\u00e9chauffeur : P12, T23, T91, T92, TP347H, TP347HFG, SUPER304H, HR3C<\/td><\/tr><tr><td>Mat\u00e9riaux de l'\u00e9conomiseur : A192, SA210C<\/td><\/tr><tr><td>Collecteur et tuyau de vapeur : P11, P91, P92<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Le molybd\u00e8ne est un \u00e9l\u00e9ment d'alliage cl\u00e9 dans les aciers ferrites r\u00e9sistant au fluage et fonctionnant \u00e0 des temp\u00e9ratures allant jusqu'\u00e0 530\u00b0C. Les principales applications de l'acier r\u00e9sistant au fluage se trouvent dans les centrales \u00e9lectriques et les usines p\u00e9trochimiques, o\u00f9 les turbines \u00e0 vapeur n\u00e9cessitent de grandes pi\u00e8ces forg\u00e9es et moul\u00e9es, et o\u00f9 les appareils \u00e0 pression, les chaudi\u00e8res et les syst\u00e8mes de tuyauterie n\u00e9cessitent des tubes, des plaques et des accessoires de toutes sortes [...]<\/p>","protected":false},"author":1,"featured_media":3922,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the creep-resistant steel used for?<\/title>\n<meta name=\"description\" content=\"Creep resistant ferrite steel is still commonly used in power plants, oil refineries and petrochemical plants worldwide. Components include seamless tubes for hot water boilers and superheaters, boiler drum, collector, pumps and pressure vessels for high temperature purposes.\" \/>\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.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is the creep-resistant steel used for?\" \/>\n<meta property=\"og:description\" content=\"Creep resistant ferrite steel is still commonly used in power plants, oil refineries and petrochemical plants worldwide. Components include seamless tubes for hot water boilers and superheaters, boiler drum, collector, pumps and pressure vessels for high temperature purposes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/\" \/>\n<meta property=\"og:site_name\" content=\"API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-04T03:11:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-04T03:13:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wldsteel.com\/wp-content\/uploads\/2021\/05\/9E.png\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"350\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture est.\">\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\":\"WebSite\",\"@id\":\"https:\/\/www.wldsteel.com\/#website\",\"url\":\"https:\/\/www.wldsteel.com\/\",\"name\":\"API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier\",\"description\":\"- WLD STEEL\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.wldsteel.com\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/#primaryimage\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/www.wldsteel.com\/wp-content\/uploads\/2021\/05\/9E.png\",\"width\":500,\"height\":350},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/#webpage\",\"url\":\"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/\",\"name\":\"What is the creep-resistant steel used for?\",\"isPartOf\":{\"@id\":\"https:\/\/www.wldsteel.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/#primaryimage\"},\"datePublished\":\"2021-08-04T03:11:04+00:00\",\"dateModified\":\"2021-08-04T03:13:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.wldsteel.com\/#\/schema\/person\/759092960ae8f71841666f123d37da28\"},\"description\":\"Creep resistant ferrite steel is still commonly used in power plants, oil refineries and petrochemical plants worldwide. Components include seamless tubes for hot water boilers and superheaters, boiler drum, collector, pumps and pressure vessels for high temperature purposes.\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wldsteel.com\/fr\/quest-ce-que-lacier-anti-fugue-utilise\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wldsteel.com\/#\/schema\/person\/759092960ae8f71841666f123d37da28\",\"name\":\"WLDSTEEL\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.wldsteel.com\/#personlogo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8e929e12167608fe50dc89bd1bfb6125?s=96&d=mm&r=g\",\"caption\":\"WLDSTEEL\"},\"sameAs\":[\"http:\/\/www.wldsteel.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/posts\/3996"}],"collection":[{"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/comments?post=3996"}],"version-history":[{"count":2,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/posts\/3996\/revisions"}],"predecessor-version":[{"id":4000,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/posts\/3996\/revisions\/4000"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/media\/3922"}],"wp:attachment":[{"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/media?parent=3996"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/categories?post=3996"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wldsteel.com\/fr\/wp-json\/wp\/v2\/tags?post=3996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}