{"id":12383,"date":"2026-01-23T13:26:08","date_gmt":"2026-01-23T05:26:08","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12383"},"modified":"2026-04-02T10:51:27","modified_gmt":"2026-04-02T02:51:27","slug":"selection-of-tool-steel-for-low-pressure-die-casting-dies","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/","title":{"rendered":"Selecci\u00f3n de acero para matrices LPDC: H13 vs H11 vs H10 | Proveedor de acero para herramientas"},"content":{"rendered":"
\n

Selecci\u00f3n de aceros para herramientas en moldes de fundici\u00f3n a baja presi\u00f3n<\/h1>\n\n\n\n

La fundici\u00f3n a baja presi\u00f3n (LPDC) es un proceso de llenado inferior controlado en el que el metal fundido se introduce en la cavidad del molde mediante presi\u00f3n de gas. El comportamiento de llenado estable reduce la turbulencia y la porosidad, pero no disminuye la carga t\u00e9rmica y qu\u00edmica sobre el molde.<\/p>\n\n\n\n

Los troqueles LPDC funcionan bajo ciclos de calentamiento y enfriamiento. El contacto con aluminio o magnesio fundido eleva r\u00e1pidamente la temperatura de la superficie, seguido de un enfriamiento durante la solidificaci\u00f3n y la eyecci\u00f3n de la pieza. Este ciclo repetido provoca fatiga t\u00e9rmica (fisuraci\u00f3n por calor). Al mismo tiempo, el flujo continuo de metal causa erosi\u00f3n superficial e interacci\u00f3n qu\u00edmica, como la soldadura, especialmente en aleaciones de aluminio.<\/p>\n\n\n\n

Factores de selecci\u00f3n<\/h2>\n\n\n\n

La selecci\u00f3n se centra en la resistencia a la fatiga t\u00e9rmica, la propagaci\u00f3n de grietas, el ablandamiento y la transferencia de calor en condiciones c\u00edclicas.<\/p>\n\n\n\n

Resistencia a la fatiga t\u00e9rmica (prueba de calor)
<\/strong>La fatiga t\u00e9rmica es el principal modo de fallo en los troqueles LPDC. Se produce por cambios repetidos de temperatura, m\u00e1s que por la temperatura m\u00e1xima \u00fanicamente. El acero debe resistir la iniciaci\u00f3n de grietas y ralentizar su propagaci\u00f3n bajo tensi\u00f3n c\u00edclica. Esto requiere una resistencia y tenacidad estables a la temperatura de funcionamiento.<\/p>\n\n\n\n

Equilibrio entre dureza y resistencia al desgaste
<\/strong>El aumento de la dureza mejora la resistencia a la erosi\u00f3n y al flujo del metal, pero reduce la resistencia a la fractura. En las matrices LPDC, la falla suele producirse por agrietamiento en lugar de desgaste uniforme. Las matrices con esquinas afiladas, secciones delgadas o concentraci\u00f3n de tensiones requieren mayor tenacidad. Las geometr\u00edas m\u00e1s simples y las grandes superficies de contacto pueden priorizar la resistencia al desgaste.<\/p>\n\n\n\n

Dureza en caliente (resistencia al revenido)
<\/strong>La exposici\u00f3n t\u00e9rmica repetida puede reducir la dureza del acero que carece de resistencia al revenido. La p\u00e9rdida de dureza conlleva deformaci\u00f3n pl\u00e1stica, inestabilidad dimensional y un deterioro superficial acelerado. El material debe mantener su dureza bajo calentamiento c\u00edclico.<\/p>\n\n\n\n

Conductividad t\u00e9rmica
<\/strong>La conductividad t\u00e9rmica afecta a los gradientes de temperatura internos. Una mayor conductividad reduce la tensi\u00f3n t\u00e9rmica y ralentiza la formaci\u00f3n de grietas por sobrecalentamiento, especialmente en chips refrigerados por agua.<\/p>\n\n\n\n

Aceros para herramientas recomendados<\/h2>\n\n\n\n
\n

Proveedor de acero para herramientas H13 | 1.2344 | SKD61<\/h3>\n\n\n\n

El material H13 es el est\u00e1ndar para matrices LPDC debido a su resistencia equilibrada a la fisuraci\u00f3n t\u00e9rmica, el ablandamiento y el agrietamiento. Mantiene la estabilidad mec\u00e1nica bajo ciclos t\u00e9rmicos repetidos y proporciona la tenacidad suficiente para limitar la propagaci\u00f3n de grietas. Generalmente se utiliza una dureza de trabajo de 44 a 48 HRC para lograr un equilibrio entre durabilidad y resistencia al agrietamiento.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material H13<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
\n

Acero para herramientas AISI H11 | 1.2343 | SKD6<\/h3>\n\n\n\n

El H11 ofrece mayor tenacidad que el H13, lo que lo hace m\u00e1s adecuado para matrices propensas a agrietarse. Se prefiere para matrices grandes, geometr\u00edas complejas o \u00e1reas con concentraci\u00f3n de tensiones. Su menor contenido de vanadio mejora la resistencia a la fractura, manteniendo un rendimiento adecuado frente a la fatiga t\u00e9rmica. La dureza de trabajo t\u00edpica es de 44 a 47 HRC.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material H11<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
\n

Acero para herramientas AISI H10 | 1.2365 | SKD7<\/h3>\n\n\n\n

El H10 se utiliza cuando el estr\u00e9s t\u00e9rmico es el factor limitante. Su mayor conductividad t\u00e9rmica reduce los gradientes de temperatura internos y el riesgo de fatiga t\u00e9rmica. Es adecuado para matrices con refrigeraci\u00f3n intensa o en condiciones de alta carga t\u00e9rmica. En comparaci\u00f3n con el H13, sacrifica algo de resistencia al desgaste a cambio de una mejor disipaci\u00f3n del calor.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material H10<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n
\n

Acero para herramientas AISI P20 | 1.2311 | 3Cr2Mo<\/h3>\n\n\n\n

Para aleaciones de baja temperatura como el zinc, el P20 es una opci\u00f3n rentable. Se suministra pretemplado (~300 HB), lo que permite su mecanizado directo y su uso sin tratamiento t\u00e9rmico. Es adecuado para cargas t\u00e9rmicas bajas y ciclos de producci\u00f3n limitados, pero no para LPDC de aluminio o magnesio con alta tensi\u00f3n t\u00e9rmica.<\/p>\n\n\n\n

\n
Enviar consulta ahora<\/a><\/div>\n\n\n\n
Ver detalles de suministro de material P20<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n

Tabla de resumen<\/h2>\n\n\n\n
Grado de acero para herramientas<\/td>Dureza t\u00edpica<\/td>Ventaja principal para LPDC<\/td><\/tr>
H13<\/td>44\u201348 HRC<\/td>Resistencia equilibrada al agrietamiento, reblandecimiento y fisuraci\u00f3n por calor.<\/td><\/tr>
H11<\/td>44\u201347 HRC<\/td>Mayor tenacidad para matrices sensibles a las grietas.<\/td><\/tr>
H10<\/td>38\u201346 HRC<\/td>Una mayor conductividad t\u00e9rmica reduce el estr\u00e9s t\u00e9rmico.<\/td><\/tr>
P20<\/td>~300 HB<\/td>Rentable para aplicaciones de baja carga t\u00e9rmica.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"

Selection of Tool Steel for Low-Pressure Die Casting Dies Low-pressure die casting (LPDC) is a controlled bottom-filling process in which molten metal is pushed into the die cavity by gas pressure. The stable filling behavior reduces turbulence and porosity, but does not reduce the thermal and chemical load on the die. LPDC dies operate under […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_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-12383","page","type-page","status-publish","hentry"],"yoast_head":"\nLPDC Die Steel Selection: H13 vs H11 vs H10 | Tool Steel Supplier | AoboSteel<\/title>\n<meta name=\"description\" content=\"Choose the right tool steel for low pressure die casting dies. Compare H13, H11, H10, and P20 based on thermal fatigue, toughness, and heat resistance for LPDC applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/es\/selection-of-tool-steel-for-low-pressure-die-casting-dies\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LPDC Die Steel Selection: H13 vs H11 vs H10 | Tool Steel Supplier\" \/>\n<meta property=\"og:description\" content=\"Choose the right tool steel for low pressure die casting dies. 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