{"id":2444,"date":"2026-01-23T09:58:00","date_gmt":"2026-01-23T08:58:00","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2444"},"modified":"2026-01-30T03:01:13","modified_gmt":"2026-01-30T02:01:13","slug":"niquel-200-frente-a-niquel-201","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/es\/niquel-200-frente-a-niquel-201\/","title":{"rendered":"N\u00edquel 200 frente a n\u00edquel 201"},"content":{"rendered":"

En el \u00e1mbito de la alta pureza aleaciones de n\u00edquel<\/a>, N\u00edquel 200<\/a> (UNS N02200) y N\u00edquel 201<\/a> (UNS N02201) son los caballos de batalla de las industrias de procesamiento qu\u00edmico y aeroespacial. Aunque ambas aleaciones ofrecen una resistencia excepcional a los \u00e1lcalis c\u00e1usticos y al agua destilada, comprender los sutiles matices qu\u00edmicos entre ellas es fundamental para garantizar la integridad estructural en entornos de altas temperaturas.<\/p>\n

\"\"<\/p>\n

Diferencias entre el n\u00edquel 200 y el 201<\/h3>\n

The fundamental difference between Nickel 200 and Nickel 201 lies in their carbon content. Nickel 200 is a commercially pure wrought nickel with a maximum carbon content of 0.15%. In contrast, Nickel 201 is the “low-carbon” version, restricted to a maximum of 0.02%.<\/p>\n

Esta discrepancia en el carbono altera dr\u00e1sticamente su estabilidad t\u00e9rmica. Cuando el N\u00edquel 200 se expone a temperaturas superiores a 315\u00b0C (600\u00b0F) durante per\u00edodos prolongados, el exceso de carbono precipita en forma de grafito en los l\u00edmites de grano. Este fen\u00f3meno, conocido como grafitizaci\u00f3n, provoca una grave p\u00e9rdida de ductilidad y, finalmente, fragilizaci\u00f3n intergranular. El n\u00edquel 201, con su bajo contenido en carbono controlado, est\u00e1 espec\u00edficamente dise\u00f1ado para evitar este riesgo, manteniendo sus propiedades mec\u00e1nicas hasta 650\u00b0C (1200\u00b0F).<\/p>\n\n\n\n\n\n\n\n\n\n\n
Propiedad<\/td>\nN\u00edquel 200 (UNS N02200)<\/td>\nN\u00edquel 201 (UNS N02201)<\/td>\n<\/tr>\n<\/thead>\n
Contenido de carbono (m\u00e1x.)<\/td>\n0.15%<\/td>\n0.02%<\/td>\n<\/tr>\n
Densidad<\/td>\n8,89 g\/cm\u00b3<\/td>\n8,89 g\/cm\u00b3<\/td>\n<\/tr>\n
Temperatura m\u00e1xima de servicio<\/td>\n315\u00b0C (600\u00b0F)<\/td>\n650\u00b0C (1200\u00b0F)<\/td>\n<\/tr>\n
Resistencia a la tracci\u00f3n (recocido)<\/td>\n462 MPa (67.000 psi)<\/td>\n400 MPa (58.000 psi)<\/td>\n<\/tr>\n
L\u00edmite el\u00e1stico (recocido)<\/td>\n21.500 psi (148 MPa)<\/td>\n15.000 psi (103 MPa)<\/td>\n<\/tr>\n
Dureza (Rockwell B)<\/td>\n45 – 55<\/td>\n40 – 50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

N\u00edquel 200 vs 201 c\u00f3mo elegir<\/h3>\n

La selecci\u00f3n entre estas dos calidades viene dictada principalmente por la temperatura de funcionamiento y la resistencia mec\u00e1nica requerida.<\/p>\n

    \n
  1. \n

    Umbral de temperatura: Si su aplicaci\u00f3n implica un servicio continuo por encima de 315\u00b0C (600\u00b0F), el N\u00edquel 201 es la \u00fanica opci\u00f3n viable. Se utiliza con frecuencia en evaporadores c\u00e1usticos, barcos de combusti\u00f3n y componentes electr\u00f3nicos en los que el calor elevado es un factor importante.<\/p>\n<\/li>\n

  2. \n

    Resistencia mec\u00e1nica: Debido a que el carbono act\u00faa como agente de refuerzo en la matriz de n\u00edquel, el N\u00edquel 200 presenta una dureza y una resistencia a la tracci\u00f3n ligeramente superiores a las del N\u00edquel 201. Para aplicaciones a temperatura ambiente o por debajo del l\u00edmite de 315 \u00b0C, el N\u00edquel 200 proporciona una mejor rigidez estructural.<\/p>\n<\/li>\n

  3. \n

    Resistencia a la corrosi\u00f3n: Ambos grados ofrecen id\u00e9ntica resistencia en la mayor\u00eda de los entornos, especialmente contra la sosa c\u00e1ustica (NaOH) y el hidr\u00f3xido de potasio. Sin embargo, para la construcci\u00f3n de recipientes a presi\u00f3n, aseg\u00farese de que el material cumple los requisitos del C\u00f3digo ASME de Calderas y Recipientes a Presi\u00f3n espec\u00edficos para la temperatura prevista.<\/p>\n<\/li>\n<\/ol>\n

    \"\"<\/h3>\n

    Sensibilidad a las impurezas del n\u00edquel 200 frente al 201<\/h3>\n

    Beyond carbon, both alloys are highly sensitive to sulfur contamination. Exposure to sulfur-bearing compounds at elevated temperatures can cause “sulfur embrittlement.” Sulfur migrates to the grain boundaries, forming a low-melting-point nickel sulfide eutectic that destroys the metal’s ductility.<\/p>\n

    Furthermore, Nickel 200\u2019s sensitivity to carbon precipitation is its “Achilles’ heel” in high-temp scenarios. While Nickel 201 mitigates this, users must still ensure that fabrication processes (like welding or heat treatment) do not introduce exogenous carbon or sulfur. Proper surface cleaning and the use of low-carbon filler metals are essential to maintaining the purity and performance of these alloys.<\/p>\n

    \n

    Preguntas y respuestas relacionadas<\/h3>\n

    P1: \u00bfPueden tener doble certificaci\u00f3n el N\u00edquel 200 y el N\u00edquel 201? S\u00ed. Un material puede tener doble certificaci\u00f3n si su contenido en carbono es \u2264<\/span> 0,02% (que cumple las especificaciones del N\u00edquel 201) y, al mismo tiempo, satisface los requisitos de resistencia mec\u00e1nica del N\u00edquel 200.<\/p>\n

    P2: \u00bfQu\u00e9 aleaci\u00f3n es mejor para procesar sosa c\u00e1ustica? Ambas son excelentes. Sin embargo, si el proceso implica calentar sosa c\u00e1ustica a altas concentraciones a temperaturas superiores a 315 \u00b0C, debe utilizarse N\u00edquel 201 para evitar el agrietamiento por corrosi\u00f3n bajo tensi\u00f3n y la grafitizaci\u00f3n.<\/p>\n

    P3: \u00bfExiste una diferencia de precio significativa entre ambos? En general, la diferencia de precio es m\u00ednima. El coste depende m\u00e1s del precio de mercado del n\u00edquel en bruto que del proceso de refinado del carbono.<\/p>","protected":false},"excerpt":{"rendered":"

    In the realm of high-purity nickel alloys, Nickel 200 (UNS N02200) and Nickel 201 (UNS N02201) stand as the workhorses of the chemical processing and aerospace industries. While both alloys offer exceptional resistance to caustic alkalis and distilled water, understanding the subtle chemical nuances between them is critical for ensuring structural integrity in high-temperature environments. […]<\/p>","protected":false},"author":1,"featured_media":2451,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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the realm of high-purity nickel alloys, Nickel 200 (UNS N02200) and Nickel 201 (UNS N02201) stand as the workhorses of the chemical processing and aerospace industries. While both alloys offer exceptional resistance to caustic alkalis and distilled water, understanding the subtle chemical nuances between them is critical for ensuring structural integrity in high-temperature environments.…","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/2444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/comments?post=2444"}],"version-history":[{"count":3,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/2444\/revisions"}],"predecessor-version":[{"id":2453,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/2444\/revisions\/2453"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/media\/2451"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/media?parent=2444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/categories?post=2444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/tags?post=2444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}