{"id":12372,"date":"2026-01-22T21:21:05","date_gmt":"2026-01-22T13:21:05","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12372"},"modified":"2026-09-29T13:40:17","modified_gmt":"2026-09-29T05:40:17","slug":"selection-of-tool-steel-for-hot-trimming-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-hot-trimming-dies\/","title":{"rendered":"Hot Trimming Die Tool Steel Selection | D2 vs H11 vs H21 | Aobo Steel"},"content":{"rendered":"<section class=\"aobo-selection-of-tool-steel-for-hot-trimming-dies-page\">\n<style>\n\n\n\n\n\n\n\n    .aobo-selection-of-tool-steel-for-hot-trimming-dies-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: inherit;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      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caliente<\/h1>\n      <p>El recorte en caliente es una operaci\u00f3n secundaria en forja y fundici\u00f3n a presi\u00f3n que se utiliza para eliminar rebabas, canales de alimentaci\u00f3n y rebosaderos inmediatamente despu\u00e9s del conformado, mientras la pieza de trabajo permanece caliente. Esto mejora la eficiencia de corte, pero expone la matriz a una carga mec\u00e1nica y a un ciclo t\u00e9rmico simult\u00e1neos.<\/p>\n      <p>La temperatura de recorte depende del material. Las aleaciones no ferrosas pueden procesarse cerca de 150 \u00b0C, mientras que los aceros y las aleaciones ferrosas a menudo superan los 980 \u00b0C. En estas condiciones, interact\u00faan tres mecanismos de da\u00f1o: desgaste abrasivo por la cascarilla de \u00f3xido, fatiga t\u00e9rmica por calentamiento y enfriamiento repetidos, y deformaci\u00f3n del filo debido al ablandamiento t\u00e9rmico. En la mayor\u00eda de los casos, la vida \u00fatil de la herramienta est\u00e1 limitada por el mecanismo que se desarrolla m\u00e1s r\u00e1pido bajo un ciclo determinado.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <h2>Factores de selecci\u00f3n<\/h2>\n      <p>La selecci\u00f3n del acero para herramientas est\u00e1 determinada por el modo de falla dominante en condiciones de recorte espec\u00edficas.<\/p>\n      <p>La resistencia al desgaste y la tenacidad forman la principal disyuntiva. Un alto contenido de carburo mejora la resistencia a la cascarilla abrasiva y retrasa el redondeo del filo, pero reduce la resistencia al impacto y aumenta el riesgo de desportillado. En operaciones con rebabas gruesas, desalineaci\u00f3n o carga inestable, una tenacidad insuficiente provoca una falla temprana del filo antes de que el desgaste sea cr\u00edtico.<\/p>\n      <p>La resistencia a la fatiga t\u00e9rmica controla la iniciaci\u00f3n y propagaci\u00f3n de grietas bajo calentamiento c\u00edclico. Cuando el recorte implica ciclos cortos repetidos con cambios r\u00e1pidos de temperatura, se forman grietas superficiales que gradualmente se interconectan en redes. Una vez establecidas, estas grietas aceleran la remoci\u00f3n de material y reducen la estabilidad del filo. Los aceros con mayor tenacidad y estabilidad al revenido retrasan este proceso.<\/p>\n      <p>La dureza en caliente se vuelve decisiva cuando aumenta el tiempo de contacto o el aporte de calor. Si el acero se ablanda durante el servicio, el filo de corte se deforma pl\u00e1sticamente incluso si la resistencia al desgaste es adecuada. Esto es t\u00edpico en ciclos m\u00e1s lentos, secciones m\u00e1s gruesas o condiciones en las que el calor se acumula en lugar de disiparse entre golpes.<\/p>\n      <h2>Aceros para herramientas recomendados<\/h2>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-d2-tool-steel-1-2379-skd11\">Acero para herramientas AISI D2 | 1.2379 | SKD11<\/h3>\n        <p>El D2 se utiliza en recorte en caliente cuando el desgaste abrasivo es el modo de falla dominante y la exposici\u00f3n t\u00e9rmica es breve. Su alto contenido de carbono y cromo produce un gran volumen de carburos duros, lo que retrasa el desgaste del filo y mantiene la agudeza de corte.<\/p>\n        <p>Su limitaci\u00f3n es la baja tenacidad y la moderada resistencia al ablandamiento t\u00e9rmico. Por lo tanto, se limita al recorte de rebabas delgadas, operaciones de alta velocidad o casos en los que el tiempo de contacto herramienta-pieza de trabajo es breve. La dureza t\u00edpica es de 58\u201360 HRC, elegida para mantener la resistencia al desgaste mientras se limita el riesgo de fractura fr\u00e1gil.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/d2-tool-steel\/\">Ver detalles de suministro de material D2<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-h11-tool-steel-1-2343-skd6\">Acero para herramientas AISI H11 | 1.2343 | SKD6<\/h3>\n        <p>El H11 se selecciona cuando la falla es impulsada por carga de impacto o fatiga t\u00e9rmica. En comparaci\u00f3n con el D2, ofrece menor resistencia al desgaste pero una tenacidad significativamente mayor y resistencia a la propagaci\u00f3n de grietas.<\/p>\n        <p>Es adecuado para condiciones generales de recorte en caliente donde la carga var\u00eda o los impactos son significativos, como en la forja por recalcado. En estas condiciones, la falla del filo se debe m\u00e1s a menudo al agrietamiento que al desgaste. La dureza t\u00edpica es de 46\u201350 HRC, equilibrando la resistencia con la resistencia a la fractura y al agrietamiento t\u00e9rmico.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/h11-tool-steel\/\">Ver detalles de suministro de material H11<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-h21-tool-steel-1-2581-skd5\">Acero para herramientas AISI H21 | 1.2581 | SKD5<\/h3>\n        <p>El H21 se utiliza cuando el ablandamiento t\u00e9rmico limita la vida \u00fatil de la herramienta. El contenido de tungsteno mejora la resistencia a alta temperatura, permitiendo que el filo conserve su geometr\u00eda bajo calor sostenido.<\/p>\n        <p>Es muy adecuado para el recorte de rebabas gruesas, secciones gruesas o ciclos m\u00e1s lentos en los que el calor se acumula durante la operaci\u00f3n. En comparaci\u00f3n con el H11, ofrece mejor resistencia al ablandamiento pero menor tenacidad. La dureza t\u00edpica es de 50\u201352 HRC, elegida para mantener la estabilidad del filo bajo carga t\u00e9rmica.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/h21-tool-steel\/\">Ver detalles de suministro de materiales H21<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3 id=\"h-aisi-s7-tool-steel-din-1-2355\">Acero para herramientas AISI S7 | DIN 1.2355<\/h3>\n        <p>El S7 se selecciona cuando el impacto es el principal factor de falla y el desportillado del filo es el riesgo principal. Su alta tenacidad le permite absorber impactos repetidos sin agrietarse.<\/p>\n        <p>Su resistencia al desgaste y dureza en caliente son limitadas, por lo que no es adecuado para condiciones dominadas por la abrasi\u00f3n o la alta temperatura. Rinde mejor en operaciones de recorte con carga inestable o choque mec\u00e1nico severo. Se requiere un revenido por encima de la temperatura de servicio esperada para reducir el riesgo de ablandamiento en servicio.<\/p>\n        <div class=\"aobo-cta-row\">\n          <div class=\"popmake-16052\"><a class=\"aobo-btn aobo-btn-primary\">Enviar consulta ahora<\/a><\/div>\n          <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/es\/s7-tool-steel\/\">Ver detalles de suministro de material S7<\/a>\n        <\/div>\n      <\/div>\n      <div class=\"aobo-grade-card\">\n        <h3>Aceros de baja aleaci\u00f3n 6G o 6F2<\/h3>\n        <p>Estos aceros se utilizan para punzones y componentes de soporte donde la falla es impulsada por fractura masiva en lugar de desgaste del filo. Su composici\u00f3n de Ni-Cr-Mo proporciona alta tenacidad en el n\u00facleo y resistencia a cargas pesadas de compresi\u00f3n e impacto.<\/p>\n        <p>No est\u00e1n destinados a filos de corte. En cambio, se aplican donde la confiabilidad estructural y la resistencia al agrietamiento son m\u00e1s importantes que la dureza. La dureza t\u00edpica es de 41.8\u201345.7 HRC, proporcionando un equilibrio entre resistencia y ductilidad.<\/p>\n      <\/div>\n      <h2>Tabla resumen<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Grado de acero para herramientas<\/th><th>Dureza t\u00edpica<\/th><th>Ventaja principal para el recorte en caliente<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>D2<\/td><td>58\u201360 HRC<\/td><td>Resiste el desgaste abrasivo en recorte de contacto breve<\/td><\/tr>\n            <tr><td>H11<\/td><td>46\u201350 HRC<\/td><td>Resiste el agrietamiento bajo impacto y ciclos t\u00e9rmicos<\/td><\/tr>\n            <tr><td>H21<\/td><td>50\u201352 HRC<\/td><td>Mantiene la resistencia del filo bajo calor sostenido<\/td><\/tr>\n            <tr><td>S7<\/td><td>\u2014<\/td><td>Absorbe impactos y previene el desportillado del filo<\/td><\/tr>\n            <tr><td>6G \/ 6F2<\/td><td>41.8\u201345.7 HRC<\/td><td>Proporciona tenacidad en el n\u00facleo para componentes de servicio pesado<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n    <\/main>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Selection of Tool Steel for Hot Trimming Dies Hot trimming is a secondary operation in forging and die casting used to remove flash, gates, and overflows immediately after forming, while the workpiece remains hot. This improves cutting efficiency but exposes the die to simultaneous mechanical loading and thermal cycling. Trimming temperature depends on the material. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","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":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","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":"","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":""},"class_list":["post-12372","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Hot Trimming Die Tool Steel Selection | D2 vs H11 vs H21 | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Select the right tool steel for hot trimming dies based on failure mode. 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