{"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\/es\/para-que-sirve-el-acero-resistente-a-la-corrosion\/","title":{"rendered":"\u00bfPara qu\u00e9 se utiliza el acero resistente a la fluencia?"},"content":{"rendered":"<p>El molibdeno ha sido un elemento de aleaci\u00f3n clave en los aceros ferr\u00edticos resistentes a la fluencia que funcionan a temperaturas de hasta 530\u00baC. Las principales aplicaciones de los aceros resistentes a la fluencia se encuentran en las centrales el\u00e9ctricas y petroqu\u00edmicas, donde las turbinas de vapor requieren grandes piezas forjadas y fundidas, y los recipientes a presi\u00f3n, calderas y sistemas de tuber\u00edas requieren tubos, placas y accesorios de todo tipo.Adem\u00e1s de la resistencia a la fluencia a altas temperaturas, tambi\u00e9n son importantes otras propiedades del material, como la templabilidad, la resistencia a la corrosi\u00f3n y la soldabilidad. La importancia relativa de estas propiedades depende de la aplicaci\u00f3n espec\u00edfica del material. Por ejemplo, los grandes rotores de turbina necesitan acero con buena templabilidad, y los sistemas de tuber\u00edas de las centrales el\u00e9ctricas deben ser soldables. Aun as\u00ed, todas las aleaciones utilizadas en estas diferentes aplicaciones utilizan los mismos principios para mejorar la resistencia a la fluencia.<\/p>\n\n\n\n<p>El molibdeno en soluci\u00f3n s\u00f3lida puede reducir muy eficazmente la velocidad de fluencia del acero. Cuando se utiliza a altas temperaturas, el molibdeno ralentiza la aglomeraci\u00f3n y el engrosamiento de los carburos (maduraci\u00f3n de ostwald). El temple y revenido producen una microestructura compuesta de bainita superior, lo que da lugar a los mejores resultados en resistencia a altas temperaturas. En las centrales t\u00e9rmicas de carb\u00f3n, el rendimiento de los grupos electr\u00f3genos subcr\u00edticos es inferior al 40%. Se espera que las futuras centrales ultrasupercr\u00edticas (USC) tengan una eficiencia superior al 50 por ciento, reduciendo casi a la mitad las emisiones de di\u00f3xido de carbono por kilovatio-hora de electricidad producida. El acero ferr\u00edtico resistente a la fluencia se sigue utilizando habitualmente en centrales el\u00e9ctricas, refiner\u00edas de petr\u00f3leo y plantas petroqu\u00edmicas de todo el mundo. Entre sus componentes se incluyen tubos sin soldadura para calderas de agua caliente y sobrecalentadores, tambores de calderas, colectores, bombas y recipientes a presi\u00f3n para altas temperaturas, y espinas de turbinas de vapor de m\u00e1s de 2 metros de di\u00e1metro y m\u00e1s de 100 toneladas de peso. Este acero puede clasificarse como acero C-Mn, acero Mo, acero C-RMO de baja aleaci\u00f3n y acero Cr 9-12%.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Tipo de planta Subcr\u00edtica(M\u00e1s de 300000 kw)<\/strong><\/td><\/tr><tr><td>Pared de agua: A192, SA-106B, SA-106C,<\/td><\/tr><tr><td>Sobrecalentamiento: T11\/P12,P22\/<a href=\"https:\/\/www.wldsteel.com\/es\/producto\/astm-a213-t22-seamless-steel-tube\/\">T22<\/a>,T23, <a href=\"https:\/\/www.wldsteel.com\/es\/producto\/astm-a213-t91-seamless-steel-tube\/\">T91<\/a>,T92<\/td><\/tr><tr><td>Recalentador: P11,T23,<a href=\"https:\/\/www.wldsteel.com\/es\/producto\/astm-a213-t91-seamless-steel-tube\/\">T91<\/a>,T92<\/td><\/tr><tr><td>Economizador: A192<\/td><\/tr><tr><td>Tuber\u00eda de cabecera y de vapor: A192, T12, P12<\/td><\/tr><tr><td><strong>Supercr\u00edtico(SC)(M\u00e1s de 600000 kw)<\/strong><\/td><\/tr><tr><td>Sobrecalentamiento: <a href=\"https:\/\/www.wldsteel.com\/es\/producto\/astm-a213-t22-seamless-steel-tube\/\">T22<\/a>T23, T91, T92, TP347H, TP347HFG, SUPER304H, HR3C<\/td><\/tr><tr><td>Material del recalentador: P12,T23,T91,T92,TP347H,TP347HFG,SUPER304H,HR3C<\/td><\/tr><tr><td>Materiales del economizador : A192,\u00a0<a href=\"https:\/\/www.wldsteel.com\/es\/producto\/astm-a210-grado-c-tubo-sin-soldadura\/\">SA210C<\/a><\/td><\/tr><tr><td>Cabezal y tuber\u00eda de vapor: P11,P91, P92<\/td><\/tr><tr><td><strong>Ultra-supercr\u00edtico(USC)(M\u00e1s de 660000 kw)<\/strong><\/td><\/tr><tr><td>Material de sobrecalentamiento: <a href=\"https:\/\/www.wldsteel.com\/es\/producto\/astm-a213-t22-seamless-steel-tube\/\">T22<\/a>,T23,T91,T92,TP347H,TP347HFG, SUPER304H, HR3C<\/td><\/tr><tr><td>Recalentador: P12, T23, T91, T92, TP347H, TP347HFG, SUPER304H, HR3C<\/td><\/tr><tr><td>Materiales del economizador : A192, SA210C<\/td><\/tr><tr><td>Cabecera y tuber\u00eda de vapor: P11,P91,P92<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Molybdenum has been a key alloying element in creep resistant ferrite steels operating at temperatures up to 530\u00b0C.&nbsp;The main applications of creep resistant steel are in power plants and petrochemical plants, where steam turbines require large forgings and castings, and pressure vessels, boilers and piping systems require tubes, plates and accessories of all kinds.In addition [&hellip;]<\/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. 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