{"id":5874,"date":"2020-05-08T06:20:49","date_gmt":"2020-05-08T06:20:49","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=5874"},"modified":"2026-03-25T03:44:14","modified_gmt":"2026-03-25T03:44:14","slug":"la-necesidad-del-decapado-y-la-pasivacion-de-los-tubos-de-acero-inoxidable","status":"publish","type":"blog","link":"https:\/\/www.kaysuns.com\/es\/blog\/la-necesidad-del-decapado-y-la-pasivacion-de-los-tubos-de-acero-inoxidable\/","title":{"rendered":"La necesidad de decapado y pasivado de tubos de acero inoxidable"},"content":{"rendered":"<h2 class=\"wp-block-heading\">La resistencia a la corrosi\u00f3n de los tubos de acero inoxidable depende principalmente de la capa de pasivaci\u00f3n de la superficie.<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"522\" height=\"390\" src=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/05\/Pickling-And-Passivation-Of-Stainless-Steel-Pipes.jpg\" alt=\"Decapado y pasivado de tubos de acero inoxidable\" class=\"wp-image-5875\" srcset=\"https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/05\/Pickling-And-Passivation-Of-Stainless-Steel-Pipes.jpg 522w, https:\/\/www.kaysuns.com\/wp-content\/uploads\/2020\/05\/Pickling-And-Passivation-Of-Stainless-Steel-Pipes-300x225.jpg 300w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/figure>\n<\/div>\n\n\n<p>Tuber\u00eda de acero inoxidable, como <a href=\"https:\/\/www.kaysuns.com\/es\/\" target=\"_blank\">tuber\u00eda y accesorios d\u00faplex<\/a> tiene buena resistencia a la corrosi\u00f3n, resistencia a la oxidaci\u00f3n a alta temperatura, buen rendimiento a baja temperatura y excelente rendimiento mec\u00e1nico y de procesamiento. Por lo tanto, es ampliamente utilizado en los sectores qu\u00edmico, petrolero, energ\u00e9tico, nuclear, aeroespacial, marino, farmac\u00e9utico, industria ligera, textil y otros. <\/p>\n\n\n\n<p>La resistencia a la corrosi\u00f3n del acero inoxidable depende principalmente de la capa de pasivaci\u00f3n de la superficie. Si est\u00e1 incompleto o defectuoso, la tuber\u00eda de acero inoxidable a\u00fan estar\u00e1 corro\u00edda.<\/p>\n\n\n\n<p><strong>Principio de <a href=\"https:\/\/www.kaysuns.com\/es\/duplex-2205-stainless-steel-pipe\/\" target=\"_blank\">tubo d\u00faplex<\/a>, <a href=\"https:\/\/www.kaysuns.com\/es\/tubo-de-acero-inoxidable-sin-costura\/\" target=\"_blank\">tubo de acero inoxidable sin costura<\/a> decapado y pasivaci\u00f3n:<\/strong><\/p>\n\n\n\n<p>La resistencia a la corrosi\u00f3n del acero inoxidable se debe principalmente a que la superficie est\u00e1 cubierta con una capa de pasivaci\u00f3n densa muy delgada (aproximadamente 1 nm), que es la barrera b\u00e1sica para la protecci\u00f3n del acero inoxidable.<\/p>\n\n\n\n<p>La pasivaci\u00f3n del acero inoxidable tiene caracter\u00edsticas din\u00e1micas. No debe considerarse que la corrosi\u00f3n se ha detenido por completo, sino que forma una barrera de difusi\u00f3n, lo que reduce en gran medida la velocidad de reacci\u00f3n del \u00e1nodo. En presencia de elementos reductores (como los iones de cloruro) tienden a destruir la capa, y en presencia de sustancias oxidantes (como el aire) pueden mantener o reparar la capa.<\/p>\n\n\n\n<p>los <a href=\"https:\/\/www.kaysuns.com\/es\/tubos-de-acero-inoxidable-2\/\" target=\"_blank\">tuber\u00eda de acero inoxidable<\/a> La pieza de trabajo formar\u00e1 una capa de \u00f3xido cuando se coloque en el aire, pero esta pel\u00edcula no es tan protectora como la capa de pasivaci\u00f3n.<\/p>\n\n\n\n<p>Generalmente, se requiere una limpieza a fondo, incluida la limpieza alcalina y la limpieza \u00e1cida, y luego la pasivaci\u00f3n con un agente oxidante puede asegurar la integridad y estabilidad de la capa de pasivaci\u00f3n.<\/p>\n\n\n\n<p>Uno de los prop\u00f3sitos del decapado es crear condiciones favorables para el tratamiento de pasivaci\u00f3n y asegurar la formaci\u00f3n de una capa de pasivaci\u00f3n de alta calidad. Mediante el decapado, la superficie de la tuber\u00eda de acero inoxidable se erosiona con un espesor medio de 10 \u03bcm, lo que puede hacer que toda la superficie tienda a equilibrarse uniformemente, y se eliminan algunos peligros ocultos que son f\u00e1ciles de provocar corrosi\u00f3n.<\/p>\n\n\n\n<p>Y lo que es m\u00e1s importante, a trav\u00e9s del \u00e1cido <a href=\"https:\/\/www.kaysuns.com\/es\/blog\/decapado-y-pasivado-de-tubos-de-acero-inoxidable\/\" target=\"_blank\">decapado y pasivaci\u00f3n<\/a>, En la superficie del acero inoxidable, el hierro y los \u00f3xidos de hierro se disuelven preferentemente antes que el cromo y los \u00f3xidos de cromo, y se elimina la capa empobrecida de cromo, lo que da lugar a un enriquecimiento de cromo en la superficie del acero inoxidable. El potencial puede alcanzar + 1,0V (SCE), que se aproxima al potencial de los metales preciosos, lo que mejora la estabilidad de la resistencia a la corrosi\u00f3n.<\/p>\n\n\n\n<p>Los diferentes tratamientos de pasivaci\u00f3n formar\u00e1n una resistencia a la corrosi\u00f3n diferente. A trav\u00e9s del tratamiento electroqu\u00edmico, la capa de pasivaci\u00f3n puede tener una estructura multicapa, formando una capa de CrO3, Cr2O3 u \u00f3xido v\u00edtreo en la capa superficial, de modo que el tubo de acero inoxidable pueda ejercer la m\u00e1xima resistencia a la corrosi\u00f3n.<\/p>","protected":false},"featured_media":5875,"template":"","categories":[186],"tags":[],"class_list":["post-5874","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>The Necessity Of Pickling And Passivation Of Stainless Steel Pipes - Stainless Steel Pipe and Fittings | KAYSUNS<\/title>\n<meta name=\"description\" content=\"The corrosion resistance of stainless steel mainly depends on the surface passivation layer. If it is incomplete or defective, it will still be corroded.\" \/>\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\/la-necesidad-del-decapado-y-la-pasivacion-de-los-tubos-de-acero-inoxidable\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Necessity Of Pickling And Passivation Of Stainless Steel Pipes - Stainless Steel Pipe and Fittings | KAYSUNS\" \/>\n<meta property=\"og:description\" content=\"The corrosion resistance of stainless steel mainly depends on the surface passivation layer. 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