{"id":1780,"date":"2025-12-04T10:45:46","date_gmt":"2025-12-04T09:45:46","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=1780"},"modified":"2026-01-30T03:05:58","modified_gmt":"2026-01-30T02:05:58","slug":"incoloy-800-vs-825-a-technical-comparison","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/es\/incoloy-800-vs-825-a-technical-comparison\/","title":{"rendered":"Incoloy 800 frente a 825: Comparaci\u00f3n t\u00e9cnica"},"content":{"rendered":"<p data-path-to-node=\"10\">La elecci\u00f3n del grado incorrecto puede provocar fallos catastr\u00f3ficos en los componentes, ya sea por rotura a alta temperatura o por corrosi\u00f3n qu\u00edmica agresiva. Esta gu\u00eda desglosa las diferencias cr\u00edticas en <b><a href=\"https:\/\/www.nickelcasting.com\/de\/nickellegierungen\/incoloy-metal-alloys\/incoloy-800\/\">Incoloy 800<\/a> vs 825<\/b>, analizando su composici\u00f3n qu\u00edmica, propiedades mec\u00e1nicas y entornos de servicio ideales.<\/p>\n<p data-path-to-node=\"10\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-1781\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31.jpg\" alt=\"\" width=\"1024\" height=\"572\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-300x168.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-768x429.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-18x10.jpg 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2 data-path-to-node=\"11\">La distinci\u00f3n del n\u00facleo: Calor vs. Corrosi\u00f3n<\/h2>\n<p data-path-to-node=\"12\">Para simplificar el proceso de selecci\u00f3n, clasifique las aleaciones por su resistencia primaria:<\/p>\n<ul data-path-to-node=\"13\">\n<li>\n<p data-path-to-node=\"13,0,0\"><b>Incoloy 800 (UNS N08800):<\/b> Dise\u00f1ado para <b>Estabilidad a altas temperaturas<\/b>. Es la mejor elecci\u00f3n para la resistencia a la oxidaci\u00f3n y la carburizaci\u00f3n en atm\u00f3sferas de tratamiento t\u00e9rmico.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"13,1,0\"><b><a href=\"https:\/\/www.nickelcasting.com\/de\/nickellegierungen\/incoloy-metal-alloys\/incoloy-825\/\">Incoloy 825<\/a> (UNS N08825):<\/b> Dise\u00f1ado para <b>Corrosi\u00f3n h\u00fameda agresiva<\/b>. Con molibdeno y cobre a\u00f1adidos, destaca en la reducci\u00f3n de \u00e1cidos y productos qu\u00edmicos oxidantes donde los aceros inoxidables est\u00e1ndar fallan.<\/p>\n<\/li>\n<\/ul>\n<h2 data-path-to-node=\"14\">An\u00e1lisis de la composici\u00f3n qu\u00edmica<\/h2>\n<p data-path-to-node=\"15\">Las propiedades f\u00edsicas de estas aleaciones vienen dictadas por su composici\u00f3n elemental. El principal diferenciador en el <b>Incoloy 800 frente a 825<\/b> comparaci\u00f3n es la adici\u00f3n de molibdeno y cobre en la calidad 825.<\/p>\n<table data-path-to-node=\"16\">\n<thead>\n<tr>\n<td><strong>Elemento<\/strong><\/td>\n<td><strong>Incoloy 800 (T\u00edpico %)<\/strong><\/td>\n<td><strong>Incoloy 825 (T\u00edpico %)<\/strong><\/td>\n<td><strong>Impacto en el rendimiento<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"16,1,0,0\"><b>N\u00edquel (Ni)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,1,1,0\">30.0 &#8211; 35.0<\/span><\/td>\n<td><span data-path-to-node=\"16,1,2,0\">38.0 &#8211; 46.0<\/span><\/td>\n<td><span data-path-to-node=\"16,1,3,0\">El mayor contenido de Ni en el 825 proporciona inmunidad a la corrosi\u00f3n bajo tensi\u00f3n por cloruros.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,2,0,0\"><b>Cromo (Cr)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,2,1,0\">19.0 &#8211; 23.0<\/span><\/td>\n<td><span data-path-to-node=\"16,2,2,0\">19.5 &#8211; 23.5<\/span><\/td>\n<td><span data-path-to-node=\"16,2,3,0\">Ambos ofrecen una excelente resistencia a los entornos oxidantes.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,3,0,0\"><b>Hierro (Fe)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,3,1,0\">Saldo<\/span><\/td>\n<td><span data-path-to-node=\"16,3,2,0\">Equilibrio (min 22%)<\/span><\/td>\n<td><span data-path-to-node=\"16,3,3,0\">Proporciona rentabilidad en comparaci\u00f3n con la <a href=\"https:\/\/www.nickelcasting.com\/de\/nickellegierungen\/\">Aleaciones de n\u00edquel<\/a>.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,4,0,0\"><b>Molibdeno (Mo)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,4,1,0\">N\/A<\/span><\/td>\n<td><span data-path-to-node=\"16,4,2,0\"><b>2.5 &#8211; 3.5<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,4,3,0\"><b>Diferencia cr\u00edtica:<\/b> Confiere al 825 resistencia a la corrosi\u00f3n por picaduras y grietas.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,5,0,0\"><b>Cobre (Cu)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,5,1,0\">N\/A<\/span><\/td>\n<td><span data-path-to-node=\"16,5,2,0\"><b>1.5 &#8211; 3.0<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,5,3,0\"><b>Diferencia cr\u00edtica:<\/b> Proporciona 825 de resistencia al \u00e1cido sulf\u00farico.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"16,6,0,0\"><b>Titanio (Ti)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"16,6,1,0\">0.15 &#8211; 0.60<\/span><\/td>\n<td><span data-path-to-node=\"16,6,2,0\">0.6 &#8211; 1.2<\/span><\/td>\n<td><span data-path-to-node=\"16,6,3,0\">Estabiliza la aleaci\u00f3n contra la sensibilizaci\u00f3n.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"17\">Incoloy 800<\/h2>\n<p data-path-to-node=\"18\">El Incoloy 800 se define por su capacidad de mantener una estructura austen\u00edtica estable durante una exposici\u00f3n prolongada a temperaturas elevadas. Resiste mejor la fragilizaci\u00f3n (formaci\u00f3n de la fase sigma) que muchos aceros inoxidables de la serie 300.<\/p>\n<h3 data-path-to-node=\"19\">Caracter\u00edsticas clave:<\/h3>\n<ul data-path-to-node=\"20\">\n<li>\n<p data-path-to-node=\"20,0,0\"><b>Resistencia a la oxidaci\u00f3n:<\/b> El alto contenido de cromo y n\u00edquel crea una incrustaci\u00f3n de \u00f3xido que protege el metal, incluso en entornos de calentamiento y enfriamiento c\u00edclicos.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\"><b>Resistencia a la carburaci\u00f3n:<\/b> Ideal para hornos de craqueo petroqu\u00edmico en los que la absorci\u00f3n de carbono puede provocar fallos.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,2,0\"><b>Aplicaciones comunes:<\/b> Tubos de intercambiadores de calor, accesorios de cementaci\u00f3n, calderas de enfriamiento de hornos de etileno y tubos de sobrecalentadores de vapor.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"21\"><i>Nota: Para aplicaciones estrictamente superiores a 1100\u00b0F (593\u00b0C) que requieran resistencia a la rotura por fluencia, los ingenieros suelen optar por las variantes recocidas en soluci\u00f3n, <b>Incoloy 800H o 800HT<\/b>.<\/i><\/p>\n<h2 data-path-to-node=\"22\">Incoloy 825<\/h2>\n<p data-path-to-node=\"23\">When the environment shifts from &#8220;hot&#8221; to &#8220;corrosive,&#8221; Incoloy 825 becomes the superior candidate. The inclusion of molybdenum and copper drastically alters the alloy&#8217;s capabilities, specifically in reducing environments.<\/p>\n<h3 data-path-to-node=\"24\">Caracter\u00edsticas clave:<\/h3>\n<ul data-path-to-node=\"25\">\n<li>\n<p data-path-to-node=\"25,0,0\"><b>Resistencia al \u00e1cido:<\/b> Rendimiento excepcional en \u00e1cidos sulf\u00farico y fosf\u00f3rico. El contenido de cobre se a\u00f1ade espec\u00edficamente para combatir el ataque del \u00e1cido sulf\u00farico.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,1,0\"><b>Agrietamiento por corrosi\u00f3n bajo tensi\u00f3n (SCC):<\/b> El mayor contenido de n\u00edquel (hasta 46%) hace que Incoloy 825 sea pr\u00e1cticamente inmune a la SCC por iones cloruro, una causa com\u00fan de muerte del acero inoxidable en entornos marinos o salobres.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,2,0\"><b>Resistencia a la picadura:<\/b> El molibdeno garantiza que la aleaci\u00f3n resista las picaduras localizadas en medios que contengan cloruros.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"25,3,0\"><b>Aplicaciones comunes:<\/b> Equipos de procesamiento qu\u00edmico, control de la contaminaci\u00f3n (depuradores), recuperaci\u00f3n de petr\u00f3leo y gas (servicio de gas \u00e1cido) y calentadores de tanques de decapado.<\/p>\n<\/li>\n<\/ul>\n<p>En un an\u00e1lisis de costes de <b>Incoloy 800 frente a 825<\/b>, Incoloy 825 is generally more expensive. This premium is due to the higher nickel content and the addition of expensive alloying elements like molybdenum.The decision between these two superalloys is rarely about which is &#8220;better,&#8221; but rather which matches the failure mode you are trying to prevent.<\/p>\n<ul data-path-to-node=\"31\">\n<li>\n<p data-path-to-node=\"31,0,0\">Elija <b>Incoloy 800<\/b> si su principal preocupaci\u00f3n es <b>calor, oxidaci\u00f3n e integridad estructural<\/b> a altas temperaturas.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"31,1,0\">Elija <b>Incoloy 825<\/b> si su principal preocupaci\u00f3n es <b>ataque qu\u00edmico, \u00e1cidos o agrietamiento por corrosi\u00f3n bajo tensi\u00f3n<\/b> en entornos h\u00famedos.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"33\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-1782\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/32.jpg\" alt=\"\" width=\"929\" height=\"528\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/32.jpg 929w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/32-300x171.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/32-768x436.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/32-18x10.jpg 18w\" sizes=\"(max-width: 929px) 100vw, 929px\" \/><\/h3>\n<h3 data-path-to-node=\"33\">Preguntas m\u00e1s frecuentes (FAQ)<\/h3>\n<p data-path-to-node=\"34\"><b>P1: \u00bfPuede utilizarse el Incoloy 825 en aplicaciones de alta temperatura como el Incoloy 800?<\/b><\/p>\n<p data-path-to-node=\"34\">Aunque el Incoloy 825 tiene una buena resistencia a altas temperaturas, no est\u00e1 optimizado para ello. Por encima de 1000\u00b0F (540\u00b0C), pueden producirse cambios microestructurales que reducen la ductilidad y la resistencia al impacto. Para aplicaciones que superen esta temperatura, Incoloy 800 (o 800H\/HT) es la especificaci\u00f3n correcta.<\/p>\n<p data-path-to-node=\"35\"><b>P2: \u00bfQu\u00e9 aleaci\u00f3n es mejor para entornos marinos, la 800 o la 825?<\/b><\/p>\n<p data-path-to-node=\"35\">Incoloy 825 es significativamente mejor para entornos marinos. La presencia de molibdeno y una mayor cantidad de n\u00edquel le confieren una resistencia superior a las picaduras en agua salada y a las grietas por corrosi\u00f3n bajo tensi\u00f3n por cloruros. El Incoloy 800 puede sufrir picaduras en agua de mar estancada.<\/p>\n<p data-path-to-node=\"36\"><b>P3: \u00bfEs magn\u00e9tico el Incoloy 800?<\/b><\/p>\n<p data-path-to-node=\"36\">Tanto el Incoloy 800 como el 825 poseen una estructura c\u00fabica centrada en la cara (austen\u00edtica) estable, lo que significa que siguen siendo no magn\u00e9ticos incluso despu\u00e9s de un intenso trabajo en fr\u00edo. Esto los hace adecuados para aplicaciones que requieren una baja permeabilidad magn\u00e9tica.<\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing the wrong grade can lead to catastrophic component failure\u2014either through high-temperature rupture or aggressive chemical corrosion. This guide breaks down the critical differences in Incoloy 800 vs 825, analyzing their chemical composition, mechanical properties, and ideal service environments. The Core Distinction: Heat vs. Corrosion To simplify the selection process, categorize the alloys by their [&hellip;]<\/p>","protected":false},"author":1,"featured_media":1781,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1769738617:1"],"_edit_last":["1"],"_thumbnail_id":["1781"],"_wp_page_template":["default"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"_yoast_wpseo_primary_category":["3"],"_yoast_wpseo_focuskw":["Incoloy 800 vs 825"],"_yoast_wpseo_metadesc":["Incoloy 800 targets high heat; 825 excels in acids and wet corrosion.Incoloy 825 is generally more expensive."],"_yoast_wpseo_linkdex":["77"],"_yoast_wpseo_content_score":["90"],"_yoast_wpseo_estimated-reading-time-minutes":["5"],"rank_math_primary_category":["3"],"rank_math_description":["Incoloy 800 targets high heat; 825 excels in acids and wet corrosion.Incoloy 825 is generally more expensive."],"rank_math_focus_keyword":["Incoloy 800 vs 825"],"rank_math_news_sitemap_robots":["index"],"rank_math_robots":["a:1:{i:0;s:5:\"index\";}"],"rank_math_seo_score":["68"],"rank_math_internal_links_processed":["1"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:18:\"Incoloy 800 vs 825\";}"],"astra-migrate-meta-layouts":["set"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1775384825\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-1780.css"],"_elementor_page_assets":["a:0:{}"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31.jpg",1024,572,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-300x168.jpg",300,168,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-768x429.jpg",768,429,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31.jpg",1024,572,false],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31.jpg",1024,572,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31.jpg",1024,572,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2025\/12\/31-18x10.jpg",18,10,true]},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/es\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Choosing the wrong grade can lead to catastrophic component failure\u2014either through high-temperature rupture or aggressive chemical corrosion. This guide breaks down the critical differences in Incoloy 800 vs 825, analyzing their chemical composition, mechanical properties, and ideal service environments. The Core Distinction: Heat vs. Corrosion To simplify the selection process, categorize the alloys by their&hellip;","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/1780","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=1780"}],"version-history":[{"count":1,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/1780\/revisions"}],"predecessor-version":[{"id":1783,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/1780\/revisions\/1783"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/media\/1781"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/media?parent=1780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/categories?post=1780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/tags?post=1780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}