{"id":5517,"date":"2020-01-20T07:40:15","date_gmt":"2020-01-20T07:40:15","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5517"},"modified":"2025-07-01T06:36:45","modified_gmt":"2025-07-01T06:36:45","slug":"historia-del-desarrollo-de-los-tubos-de-acero-inoxidable-duplex","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/es\/blog\/historia-del-desarrollo-de-los-tubos-de-acero-inoxidable-duplex\/","title":{"rendered":"Historial de desarrollo de la tuber\u00eda de acero inoxidable d\u00faplex"},"content":{"rendered":"<h2>Historial de desarrollo de la tuber\u00eda de acero inoxidable d\u00faplex<\/h2>\n<p>En comparaci\u00f3n con los grados de acero inoxidable austen\u00edtico con la misma resistencia a la corrosi\u00f3n, los aceros inoxidables d\u00faplex tienen menos n\u00edquel y <a href=\"https:\/\/www.kaysuns.com\/es\/papel-del-molibdeno-en-los-tubos-y-accesorios-de-acero-inoxidable\/\" target=\"_blank\" rel=\"noopener\">molibdeno<\/a> contenido. Debido al bajo contenido de elementos de aleaci\u00f3n, el acero inoxidable d\u00faplex puede tener una ventaja en el precio, especialmente cuando el extra de aleaci\u00f3n es elevado.<\/p>\n<p><a href=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-2205-pipes-1.jpg\" target=\"_blank\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-5518\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-2205-pipes-1.jpg\" alt=\"tubos duplex 2205\" width=\"587\" height=\"460\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-2205-pipes-1.jpg 587w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/01\/duplex-2205-pipes-1-300x235.jpg 300w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/><\/a><\/p>\n<p>Debido al mayor l\u00edmite el\u00e1stico de <a href=\"https:\/\/www.kaysuns.com\/es\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tuber\u00eda de acero inoxidable d\u00faplex<\/a>, su tama\u00f1o de secci\u00f3n transversal a menudo se puede reducir.<\/p>\n<p>En comparaci\u00f3n con la soluci\u00f3n que usa acero inoxidable austen\u00edtico, el uso de acero inoxidable d\u00faplex puede reducir significativamente los costos y el peso.<\/p>\n<p>El acero inoxidable d\u00faplex tiene una historia de m\u00e1s de 80 a\u00f1os. Los primeros tipos eran aleaciones de cromo, n\u00edquel y molibdeno. El primer lote de aceros inoxidables d\u00faplex forjados y laminados se fabric\u00f3 en Suecia en 1930 y se utiliz\u00f3 en la industria papelera del sulfito. Estas calidades se desarrollaron para reducir el <a href=\"https:\/\/www.kaysuns.com\/es\/corrosion-intergranular-peligro-oculto\/\" target=\"_blank\" rel=\"noopener\">corrosi\u00f3n intergranular<\/a> problemas de los primeros aceros inoxidables austen\u00edticos con alto contenido en carbono.<\/p>\n<p>En 1930, Finlandia fabrica piezas de acero inoxidable d\u00faplex. En 1936 se patent\u00f3 en Francia el predecesor del Uranus 50. Despu\u00e9s de la Segunda Guerra Mundial, el acero inoxidable AISI 329 se convirti\u00f3 en un grado maduro y se utiliz\u00f3 ampliamente en tuber\u00edas de intercambiadores de calor de plantas de \u00e1cido n\u00edtrico. 3RE60 es uno de los tipos de acero inoxidable d\u00faplex de primera generaci\u00f3n especialmente desarrollado para mejorar la resistencia al cloruro. <a href=\"https:\/\/www.kaysuns.com\/es\/agrietamiento-por-corrosion-bajo-tension-en-acero-inoxidable\/\" target=\"_blank\" rel=\"noopener\">agrietamiento por corrosi\u00f3n bajo tensi\u00f3n<\/a> (SCC). Posteriormente, los tipos de acero inoxidable d\u00faplex forjados y fundidos se utilizaron en diversas aplicaciones de la industria de transformaci\u00f3n, como recipientes, intercambiadores de calor y bombas.<\/p>\n<p>El acero inoxidable d\u00faplex de primera generaci\u00f3n tiene un buen rendimiento, pero tiene limitaciones en el estado soldado. La zona afectada por el calor (ZAC) de la soldadura tiene una tenacidad baja debido al exceso de ferrita y la resistencia a la corrosi\u00f3n es significativamente menor que la del metal base.<\/p>\n<p>Estas limitaciones hacen que la aplicaci\u00f3n de los aceros inoxidables d\u00faplex de primera generaci\u00f3n se limite a algunas aplicaciones espec\u00edficas en el estado no soldado. La invenci\u00f3n del proceso de refinado de acero inoxidable y descarburaci\u00f3n de arg\u00f3n-ox\u00edgeno (AOD) en 1968 hizo posible producir una serie de nuevos grados de acero inoxidable.<\/p>\n<p>Uno de los muchos avances aportados por AOD es la adici\u00f3n deliberada de nitr\u00f3geno como elemento de aleaci\u00f3n. Agregar nitr\u00f3geno al acero inoxidable d\u00faplex puede hacer que la tenacidad y la resistencia a la corrosi\u00f3n de la ZAT en el estado soldado sean cercanas a las del metal base. Con la mejora de la estabilidad de la austenita, el nitr\u00f3geno tambi\u00e9n reduce la tasa de formaci\u00f3n de fases intermet\u00e1licas nocivas.<\/p>\n<p>Los inoxidables d\u00faplex con nitr\u00f3geno se denominan inoxidables d\u00faplex de segunda generaci\u00f3n. Este nuevo avance en la comercializaci\u00f3n comenz\u00f3 a finales de la d\u00e9cada de 1970, lo que coincidi\u00f3 con el desarrollo de los yacimientos de petr\u00f3leo y gas en alta mar del Mar del Norte y la demanda del mercado de aceros inoxidables con excelente resistencia a la corrosi\u00f3n por iones cloruro, buena procesabilidad y alta resistencia.<\/p>\n<p>d\u00faplex 2205 se convirti\u00f3 en el grado principal de acero inoxidable d\u00faplex de segunda generaci\u00f3n y es ampliamente utilizado en instalaciones de procesamiento y tuber\u00edas de recolecci\u00f3n de gas de plataformas petrol\u00edferas en alta mar. Debido a la alta resistencia de este acero, se puede reducir el espesor de la pared, lo que puede reducir el peso de la plataforma, por lo que la aplicaci\u00f3n de este acero inoxidable es muy atractiva.<\/p>\n<p><em>Los aceros inoxidables d\u00faplex incluyen una gama de grados con diferentes propiedades de resistencia a la corrosi\u00f3n, y su resistencia a la corrosi\u00f3n depende de la composici\u00f3n de su aleaci\u00f3n. Este art\u00edculo divide el acero inoxidable d\u00faplex moderno en cinco categor\u00edas seg\u00fan la resistencia a la corrosi\u00f3n:<\/em><\/p>\n<ul>\n<li>1. Acero inoxidable d\u00faplex econ\u00f3mico sin agregar molibdeno intencionalmente, como 2304;<\/li>\n<li>2. Acero inoxidable d\u00faplex econ\u00f3mico que contiene molibdeno, como S32003;<\/li>\n<li>3. El acero inoxidable d\u00faplex est\u00e1ndar, como 2205, con un contenido de Cr de aproximadamente 22% y un contenido de Mo de 3%, es el grado principal, y representa aproximadamente 60% de la cantidad de acero inoxidable d\u00faplex;<\/li>\n<li>4. Acero inoxidable s\u00faper d\u00faplex con un contenido de Cr de aproximadamente 25% y un contenido de Mo de 3%, valor PREN de 40 a 45, como 2507;<\/li>\n<li>5. Acero inoxidable superd\u00faplex especial, el contenido de Cr y Mo es m\u00e1s alto que el acero inoxidable superd\u00faplex, el valor PREN es superior a 45, como S32707<\/li>\n<\/ul>","protected":false},"featured_media":5518,"template":"","categories":[186],"tags":[],"class_list":["post-5517","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>Development History of Duplex Stainless Steel Pipe - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\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\/es\/blog\/historia-del-desarrollo-de-los-tubos-de-acero-inoxidable-duplex\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Development History of Duplex Stainless Steel Pipe - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"Development History of Duplex Stainless Steel Pipe Compared with austenitic stainless steel grades with the same corrosion resistance, duplex stainless steels have lower nickel and molybdenum contents. 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