{"id":2439,"date":"2026-01-22T10:39:08","date_gmt":"2026-01-22T09:39:08","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2439"},"modified":"2026-01-30T03:01:28","modified_gmt":"2026-01-30T02:01:28","slug":"nimonic-75-frente-a-nimonic-80a","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/es\/nimonic-75-frente-a-nimonic-80a\/","title":{"rendered":"Nimonic 75 frente a Nimonic 80A"},"content":{"rendered":"<p>En el \u00e1mbito de las superaleaciones a base de n\u00edquel, la serie Nimonic representa una piedra angular de la ingenier\u00eda de materiales de alta temperatura. Entre los grados m\u00e1s frecuentemente comparados se encuentran el Nimonic 75 (UNS N06075) y el Nimonic 80A (UNS N07080). Aunque ambas aleaciones comparten una base de n\u00edquel-cromo dise\u00f1ada para entornos extremos, sus estructuras metal\u00fargicas y prestaciones difieren significativamente debido a sus mecanismos de refuerzo. Este art\u00edculo profundiza en sus diferencias para ayudar a los ingenieros y especialistas en compras a tomar decisiones con conocimiento de causa.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2440\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68.jpg\" alt=\"\" width=\"1200\" height=\"746\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-300x187.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-1024x637.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-768x477.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-18x12.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h2 data-path-to-node=\"3\">Comparaci\u00f3n entre Nimonic 75 y 80A<\/h2>\n<p data-path-to-node=\"4\">La diferencia fundamental entre el Nimonic 75 y el Nimonic 80A radica en su composici\u00f3n qu\u00edmica y en el m\u00e9todo de refuerzo resultante.<\/p>\n<ul data-path-to-node=\"5\">\n<li>\n<p data-path-to-node=\"5,0,0\">Nimonic 75 es una aleaci\u00f3n reforzada por soluci\u00f3n s\u00f3lida. Se trata esencialmente de una matriz de n\u00edquel-cromo 80\/20 con adiciones controladas de titanio y carbono. Se valora principalmente por su excelente resistencia a la oxidaci\u00f3n y su facilidad de fabricaci\u00f3n, m\u00e1s que por su resistencia mec\u00e1nica a altas cargas.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"5,1,0\">Nimonic 80A es una aleaci\u00f3n endurecible por precipitaci\u00f3n (endurecida por envejecimiento). Al aumentar los niveles de aluminio y titanio, forma una prima gamma (<span aria-hidden=\"true\">\u03b3\u2032<\/span>) fase intermet\u00e1lica (<span aria-hidden=\"true\">Ni3(Al,Ti)<\/span>) durante el tratamiento t\u00e9rmico. Esta fase act\u00faa como barrera al movimiento de dislocaci\u00f3n, mejorando significativamente su resistencia a la fluencia y a la fatiga.<\/p>\n<\/li>\n<\/ul>\n<p><strong>Tabla 1: Comparaci\u00f3n de la composici\u00f3n qu\u00edmica (% t\u00edpico)<\/strong><\/p>\n<table data-path-to-node=\"7\">\n<thead>\n<tr>\n<td><strong>Elemento<\/strong><\/td>\n<td><strong>Nimonic 75 (aleaci\u00f3n 75)<\/strong><\/td>\n<td><strong>Nimonic 80A (aleaci\u00f3n 80A)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"7,1,0,0\"><b data-path-to-node=\"7,1,0,0\" data-index-in-node=\"0\">N\u00edquel (Ni)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,1,1,0\">Saldo<\/span><\/td>\n<td><span data-path-to-node=\"7,1,2,0\">Saldo<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,2,0,0\"><b data-path-to-node=\"7,2,0,0\" data-index-in-node=\"0\">Cromo (Cr)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,2,1,0\">18.0 - 21.0<\/span><\/td>\n<td><span data-path-to-node=\"7,2,2,0\">18.0 - 21.0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,3,0,0\"><b data-path-to-node=\"7,3,0,0\" data-index-in-node=\"0\">Titanio (Ti)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,3,1,0\">0.2 - 0.6<\/span><\/td>\n<td><span data-path-to-node=\"7,3,2,0\">1.8 - 2.7<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,4,0,0\"><b data-path-to-node=\"7,4,0,0\" data-index-in-node=\"0\">Aluminio (Al)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,4,1,0\">&#8211;<\/span><\/td>\n<td><span data-path-to-node=\"7,4,2,0\">1.0 - 1.8<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,5,0,0\"><b data-path-to-node=\"7,5,0,0\" data-index-in-node=\"0\">Hierro (Fe)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,5,1,0\">5,0 m\u00e1x.<\/span><\/td>\n<td><span data-path-to-node=\"7,5,2,0\">3,0 m\u00e1x.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"7,6,0,0\"><b data-path-to-node=\"7,6,0,0\" data-index-in-node=\"0\">Carbono (C)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"7,6,1,0\">0.08 - 0.15<\/span><\/td>\n<td><span data-path-to-node=\"7,6,2,0\">0,10 m\u00e1x.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Tabla 2: Propiedades mec\u00e1nicas a temperatura ambiente<\/strong><\/p>\n<table data-path-to-node=\"9\">\n<thead>\n<tr>\n<td><strong>Propiedad<\/strong><\/td>\n<td><strong>Nimonic 75 (Recocido)<\/strong><\/td>\n<td><strong>Nimonic 80A (Endurecido)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"9,1,0,0\"><b data-path-to-node=\"9,1,0,0\" data-index-in-node=\"0\">Resistencia a la tracci\u00f3n (MPa)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"9,1,1,0\">~750<\/span><\/td>\n<td><span data-path-to-node=\"9,1,2,0\">~930 - 1000<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"9,2,0,0\"><b data-path-to-node=\"9,2,0,0\" data-index-in-node=\"0\">0,2% L\u00edmite el\u00e1stico (MPa)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"9,2,1,0\">~300<\/span><\/td>\n<td><span data-path-to-node=\"9,2,2,0\">~600 - 700<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"9,3,0,0\"><b data-path-to-node=\"9,3,0,0\" data-index-in-node=\"0\">Alargamiento (%)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"9,3,1,0\">35 - 45<\/span><\/td>\n<td><span data-path-to-node=\"9,3,2,0\">20 - 30<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"9,4,0,0\"><b data-path-to-node=\"9,4,0,0\" data-index-in-node=\"0\">Dureza (HB)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"9,4,1,0\">150 - 200<\/span><\/td>\n<td><span data-path-to-node=\"9,4,2,0\">250 - 300<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"11\">Nimonic 75 vs 80A: \u00bfC\u00f3mo elegir?<\/h2>\n<p data-path-to-node=\"12\">La selecci\u00f3n entre estas dos aleaciones depende del modo de fallo principal de la aplicaci\u00f3n: Esfuerzo mec\u00e1nico frente a oxidaci\u00f3n ambiental.<\/p>\n<h3 data-path-to-node=\"13\">1. Temperatura en funci\u00f3n de la carga<\/h3>\n<p data-path-to-node=\"14\">Si su aplicaci\u00f3n implica temperaturas de hasta <span aria-hidden=\"true\">1000\u2218C<\/span> pero requiere una tensi\u00f3n mec\u00e1nica relativamente baja (por ejemplo, componentes de hornos), el Nimonic 75 es la mejor opci\u00f3n. Su composici\u00f3n qu\u00edmica m\u00e1s sencilla lo hace m\u00e1s estable frente a la oxidaci\u00f3n y las incrustaciones en diversas atm\u00f3sferas industriales.<\/p>\n<p data-path-to-node=\"15\">Por el contrario, para aplicaciones en las que el material debe resistir la deformaci\u00f3n bajo cargas elevadas a temperaturas de hasta <span aria-hidden=\"true\">815\u2218C<\/span>, Nimonic 80A es indispensable. Su elevada resistencia a la rotura por fluencia garantiza la estabilidad dimensional bajo esfuerzos t\u00e9rmicos y mec\u00e1nicos prolongados.<\/p>\n<h3 data-path-to-node=\"16\">2. Fabricaci\u00f3n y soldadura<\/h3>\n<p data-path-to-node=\"17\">El Nimonic 75 es conocido por su excelente soldabilidad y facilidad de conformado en fr\u00edo. Puede unirse mediante la mayor\u00eda de las t\u00e9cnicas est\u00e1ndar de soldadura por fusi\u00f3n (TIG\/MIG) sin riesgo significativo de fisuraci\u00f3n.<\/p>\n<p data-path-to-node=\"18\">El Nimonic 80A, al ser una aleaci\u00f3n endurecida por precipitaci\u00f3n, es m\u00e1s sensible. Requiere un tratamiento de disoluci\u00f3n preciso antes de la soldadura y un tratamiento t\u00e9rmico posterior a la soldadura (PWHT) para evitar el agrietamiento por deformaci\u00f3n. Si se requiere una fabricaci\u00f3n compleja o trabajos de chapa met\u00e1lica, la aleaci\u00f3n 75 es mucho m\u00e1s f\u00e1cil de utilizar.<\/p>\n<h3 data-path-to-node=\"19\">3. Eficiencia de costes<\/h3>\n<p data-path-to-node=\"20\">Debido a la ausencia de aluminio y al menor contenido de titanio, el Nimonic 75 suele ser m\u00e1s rentable. Util\u00edcelo a menos que las exigencias mec\u00e1nicas del proyecto requieran estrictamente la resistencia a altas temperaturas del 80A.<\/p>\n<h2 data-path-to-node=\"22\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-2441\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69.jpg\" alt=\"\" width=\"1200\" height=\"1200\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69-300x300.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69-1024x1024.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69-150x150.jpg 150w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69-768x768.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/69-12x12.jpg 12w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/h2>\n<h2 data-path-to-node=\"22\">Nimonic 75 vs 80A Uso del \u00e1labe de turbina<\/h2>\n<p data-path-to-node=\"23\">La historia de la ingenier\u00eda de turbinas de gas es esencialmente la historia de la serie Nimonic. En los primeros motores a reacci\u00f3n (como el motor Whittle), el Nimonic 75 era el material original de los \u00e1labes de turbina. sin embargo, a medida que aumentaban las temperaturas y las velocidades de rotaci\u00f3n del motor, la aleaci\u00f3n 75 alcanz\u00f3 su l\u00edmite mec\u00e1nico.<\/p>\n<h3 data-path-to-node=\"24\">El cambio a Nimonic 80A<\/h3>\n<p data-path-to-node=\"25\">El dise\u00f1o moderno de \u00e1labes de turbina requiere materiales capaces de soportar las fuerzas centr\u00edfugas de la rotaci\u00f3n a alta velocidad. Nimonic 80A se convirti\u00f3 en el est\u00e1ndar de la industria para:<\/p>\n<ul data-path-to-node=\"26\">\n<li>\n<p data-path-to-node=\"26,0,0\">\u00c1labes de turbina de alta presi\u00f3n: Donde la resistencia a la fluencia es el factor cr\u00edtico.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,1,0\">V\u00e1lvulas de escape: En motores de combusti\u00f3n interna de alto rendimiento (especialmente en el automovilismo).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"26,2,0\">Discos y anillos de turbina: Requieren una elevada vida a fatiga.<\/p>\n<\/li>\n<\/ul>\n<p data-path-to-node=\"27\">While Nimonic 75 has largely been phased out of rotating blade applications, it remains a &#8220;workhorse&#8221; for static components in the turbine section. It is extensively used for combustion chamber liners, exhaust ducting, and flame tubes, where its ability to resist oxidation and thermal cycling is more valuable than its creep strength.<\/p>\n<hr data-path-to-node=\"28\" \/>\n<h3 data-path-to-node=\"29\">Preguntas y respuestas relacionadas<\/h3>\n<p data-path-to-node=\"30\">Q1: \u00bfCu\u00e1l es la temperatura m\u00e1xima de servicio del Nimonic 80A? Para aplicaciones de alta tensi\u00f3n, como los \u00e1labes de turbina, el Nimonic 80A se limita normalmente a <span aria-hidden=\"true\">815\u2218C<\/span> (<span aria-hidden=\"true\">1500\u2218F<\/span>). Por encima de esto, el <span aria-hidden=\"true\">\u03b3\u2032<\/span> los precipitados comienzan a engrosarse, lo que provoca una p\u00e9rdida de resistencia mec\u00e1nica.<\/p>\n<p data-path-to-node=\"31\">P2: \u00bfPuede endurecerse Nimonic 75 mediante tratamiento t\u00e9rmico? No, Nimonic 75 es una aleaci\u00f3n de soluci\u00f3n s\u00f3lida y no puede endurecerse significativamente mediante tratamiento t\u00e9rmico. Sin embargo, puede reforzarse mediante trabajo en fr\u00edo (endurecimiento por deformaci\u00f3n) si es necesario.<\/p>\n<p data-path-to-node=\"32\">P3: \u00bfQu\u00e9 aleaci\u00f3n es mejor para resistir atm\u00f3sferas sulfurosas? Ambas aleaciones ofrecen una buena resistencia debido a su alto contenido en cromo. Sin embargo, el Nimonic 75 suele preferirse en entornos de hornos industriales porque su capa de \u00f3xido superficial (cromo) es excepcionalmente estable y menos propensa al desconchamiento durante los ciclos t\u00e9rmicos.<\/p>","protected":false},"excerpt":{"rendered":"<p>In the realm of nickel-based superalloys, the Nimonic series represents a cornerstone of high-temperature material engineering. Among the most frequently compared grades are Nimonic 75 (UNS N06075) and Nimonic 80A (UNS N07080). While both alloys share a nickel-chromium base designed for extreme environments, their metallurgical structures and performance envelopes differ significantly due to their strengthening [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2440,"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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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-2439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1769738346:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["59"],"rank_math_description":["A technical comparison of Nimonic 75 and 80A superalloys, exploring chemical differences, creep strength, and their roles in gas turbine blades."],"rank_math_focus_keyword":["nimonic 75 vs nimonic 80a"],"_thumbnail_id":["2440"],"_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"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:25:\"Nimonic 75 vs Nimonic 80A\";}"],"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:\"1776928512\";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-2439.css"],"_elementor_page_assets":["a:0:{}"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68.jpg",1200,746,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-300x187.jpg",300,187,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-768x477.jpg",768,477,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-1024x637.jpg",1024,637,true],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68.jpg",1200,746,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68.jpg",1200,746,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/01\/68-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/es\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"In the realm of nickel-based superalloys, the Nimonic series represents a cornerstone of high-temperature material engineering. Among the most frequently compared grades are Nimonic 75 (UNS N06075) and Nimonic 80A (UNS N07080). While both alloys share a nickel-chromium base designed for extreme environments, their metallurgical structures and performance envelopes differ significantly due to their strengthening&hellip;","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/2439","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=2439"}],"version-history":[{"count":2,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/2439\/revisions"}],"predecessor-version":[{"id":2443,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/posts\/2439\/revisions\/2443"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/media\/2440"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/media?parent=2439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/categories?post=2439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/es\/wp-json\/wp\/v2\/tags?post=2439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}