{"id":6039,"date":"2020-06-05T07:01:40","date_gmt":"2020-06-05T07:01:40","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=6039"},"modified":"2025-12-25T03:57:00","modified_gmt":"2025-12-25T03:57:00","slug":"que-es-el-acero-inoxidable-super-duplex-2508","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/es\/blog\/que-es-el-acero-inoxidable-super-duplex-2508\/","title":{"rendered":"\u00bfQu\u00e9 es el acero inoxidable superd\u00faplex?"},"content":{"rendered":"<p>El acero inoxidable superd\u00faplex se refiere al acero d\u00faplex con PREN&gt;40, que contiene 25% Cr y alto <a href=\"https:\/\/www.kaysuns.com\/es\/papel-del-molibdeno-en-los-tubos-y-accesorios-de-acero-inoxidable\/\" target=\"_blank\">molibdeno<\/a> (&gt;3,5%), alto nitr\u00f3geno (0,22%~0,30%), los principales grados son UNS S32550 (UR52N+), <a href=\"https:\/\/www.kaysuns.com\/es\/que-es-el-acero-inoxidable-super-duplex-2507\/\" target=\"_blank\">S32750 (SAF 2507)<\/a> Y S32760 (Zeron 100) fueron desarrollados por empresas como CLI francesa, SANDVIK sueca y MATER + PLATT brit\u00e1nica.<\/p>\n\n\n\n<p>Sus materiales deformados salieron alrededor de 1990 y 1991, y entraron al mercado en los \u00faltimos a\u00f1os. La composici\u00f3n de estos tres aceros es similar, la diferencia es el contenido de tungsteno y cobre.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"658\" height=\"548\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/duplex-seamless-pipes.jpg\" alt=\"Tubos sin soldadura UNS S32750\" class=\"wp-image-6041\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/duplex-seamless-pipes.jpg 658w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/06\/duplex-seamless-pipes-300x250.jpg 300w\" sizes=\"(max-width: 658px) 100vw, 658px\" \/><\/figure>\n\n\n\n<p>Desde principios de 2000, el desarrollo del acero inoxidable d\u00faplex moderno ha mostrado dos tendencias principales:<\/p>\n\n\n\n<p>Primero, mientras presta atenci\u00f3n a la estabilidad t\u00e9rmica de la estructura del acero, aumente a\u00fan m\u00e1s el contenido de cromo, molibdeno y nitr\u00f3geno en el acero para obtener una mayor resistencia y una mejor resistencia a la corrosi\u00f3n, para satisfacer las necesidades del desarrollo industrial moderno y facilitar el competencia entre aceros inoxidables austen\u00edticos y aparici\u00f3n de aceros inoxidables superd\u00faplex con valores de PRE cercanos a 50, como SAF 2707 HD y SAF 3207 HD.<\/p>\n\n\n\n<p>El segundo es recurrir al desarrollo de acero inoxidable d\u00faplex econ\u00f3mico con bajo contenido de n\u00edquel y sin molibdeno como elemento precioso o solo una peque\u00f1a cantidad de molibdeno para reducir el costo de producci\u00f3n y el precio de venta del acero inoxidable d\u00faplex y mejorar la trabajabilidad en caliente y la soldabilidad del d\u00faplex. acero inoxidable. Esto aumentar\u00e1 la competitividad del acero inoxidable d\u00faplex y otros tipos de acero inoxidable de uso general, especialmente los aceros inoxidables austen\u00edticos de cromo-n\u00edquel 304 y 316.<\/p>\n\n\n\n<p>Ya existen las primeras SAF 2304 y AL 2003, LDX2101, Armo Nitronic 19D, ATI 2102, 2201, 2202, LDX2404 y otras marcas que solo han estado disponibles desde 2000. La producci\u00f3n en masa y la aplicaci\u00f3n de acero inoxidable d\u00faplex econ\u00f3mico ha tenido un impacto tremendo sobre la supervivencia y el desarrollo del tipo 18Cr de primera generaci\u00f3n (que contiene aproximadamente 3% de molibdeno) acero inoxidable d\u00faplex 3RE60.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><strong>\u00bfQu\u00e9 grado se usa con m\u00e1s frecuencia?<\/strong><\/p>\n\n\n\n<p>En la actualidad, los principales grados de acero inoxidable s\u00faper d\u00faplex en China son el acero inoxidable d\u00faplex 2507 (S32750) y 2507 (UNS S32750), que tiene una gran resistencia y resistencia a la corrosi\u00f3n, y se utiliza principalmente en el procesamiento qu\u00edmico, la industria petroqu\u00edmica y los equipos submarinos.<\/p>\n\n\n\n<p>Tienen una fuerte resistencia a la corrosi\u00f3n por cloruros, mayor conductividad t\u00e9rmica y menor coeficiente de expansi\u00f3n t\u00e9rmica. Con un mayor contenido de cromo, molibdeno y nitr\u00f3geno, tiene una alta resistencia a la corrosi\u00f3n por picaduras, la corrosi\u00f3n por grietas y la corrosi\u00f3n general.<\/p>\n\n\n\n<p>La resistencia al impacto tambi\u00e9n es muy alta, la aleaci\u00f3n 2507 no es adecuada para su uso en un entorno de temperatura superior a 570 \u2103, la exposici\u00f3n a largo plazo a dicho entorno, su dureza se reducir\u00e1.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<p><strong>Aplicaciones<\/strong><\/p>\n\n\n\n<p>Se utiliza com\u00fanmente en entornos qu\u00edmicos especiales como plataformas petrol\u00edferas en alta mar (tubos intercambiadores de calor, sistemas de tratamiento y suministro de agua, sistemas de protecci\u00f3n contra incendios, sistemas de rociadores, sistemas de estabilizaci\u00f3n de agua), equipos de desalinizaci\u00f3n (desalinizaci\u00f3n) (tuber\u00edas de alta presi\u00f3n en equipos Ro, tuber\u00edas de agua de mar ), etc. En el dispositivo. Nombre S32750, SAF2507, F53, est\u00e1ndar nacional 00Cr25Ni7Mo4N.<\/p>\n\n\n\n<p>\u00c1reas de aplicaci\u00f3n: equipos para la industria del petr\u00f3leo y el gas; plataformas marinas, intercambiadores de calor, equipos subacu\u00e1ticos, equipos de extinci\u00f3n de incendios; industria de procesamiento qu\u00edmico, industria de utensilios y tuber\u00edas; plantas desaladoras, oleoductos submarinos; componentes mec\u00e1nicos (componentes de alta resistencia y resistentes a la corrosi\u00f3n), sistema FGD de la industria energ\u00e9tica, sistema de lavado industrial, torre de absorci\u00f3n, etc.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Puede que tambi\u00e9n quiera leer:<br \/><a href=\"https:\/\/www.kaysuns.com\/es\/problemas-comunes-del-super-duplex-durante-su-uso\/\" target=\"_blank\">Problemas comunes del Super Duplex durante su uso<\/a><\/p>","protected":false},"featured_media":6041,"template":"","categories":[186],"tags":[],"class_list":["post-6039","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 Super Duplex Stainless Steel? 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