{"id":11734,"date":"2026-01-04T11:32:34","date_gmt":"2026-01-04T03:32:34","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11734"},"modified":"2026-09-27T12:53:06","modified_gmt":"2026-09-27T04:53:06","slug":"o2-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/o2-tool-steel-heat-treatment\/","title":{"rendered":"Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O2"},"content":{"rendered":"<div class=\"wp-block-cover alignfull\"><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"632\" class=\"wp-block-cover__image-background wp-image-7233 size-full\" alt=\"Bulk tool steel bar stock in the Aobo Steel warehouse\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-768x253.webp 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1536x506.webp 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-18x6.webp 18w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim\" style=\"background-color:#4e4b40\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<div class=\"wp-block-uagb-container uagb-block-29fc5c3c alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33e61970\"><h6 class=\"uagb-heading-text\"><a href=\"https:\/\/aobosteel.com\/es\/\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Hogar<\/mark>     <\/a>&gt; <a href=\"https:\/\/aobosteel.com\/es\/tool-steel-heat-treatment-guide\/\">    <mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Centro T\u00e9cnico de Tratamiento T\u00e9rmico de Aceros para Herramientas<\/mark>    <\/a> &gt; Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O2<\/h6><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-8276fe18\"><h4 class=\"uagb-heading-text\"><em>Aobo Steel | Proveedor global de acero para herramientas en China<\/em><\/h4><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c04ecb9d\"><h1 class=\"uagb-heading-text\">Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O2<\/h1><p class=\"uagb-desc-text\">Gu\u00eda de tratamiento t\u00e9rmico para acero para herramientas O2 (DIN 1.2842\/JIS SKS31), centrada en la resistencia al desgaste, la maquinabilidad y la estabilidad dimensional para aplicaciones de herramientas de trabajo en fr\u00edo.<\/p><\/div>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button hs-cta-trigger-button hs-cta-trigger-button-230288465624\"><a class=\"wp-block-button__link wp-element-button\">Solicitar una consulta r\u00e1pida<\/a><\/div>\n<\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-5fc8f745 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/es\/o2-tool-steel\/\">O2 tool steel<\/a> es un acero para herramientas de trabajo en fr\u00edo templado en aceite con alta dureza, alta resistencia al desgaste y deformaci\u00f3n m\u00ednima durante el tratamiento t\u00e9rmico. En comparaci\u00f3n con el acero templado en agua, el acero O2 presenta mejor estabilidad dimensional y mayor tenacidad despu\u00e9s del temple completo 1<sup data-fn=\"6666d472-7e42-4e7d-8427-2b3ef148d636\" class=\"fn\"><a id=\"6666d472-7e42-4e7d-8427-2b3ef148d636-link\" href=\"#6666d472-7e42-4e7d-8427-2b3ef148d636\">1<\/a><\/sup>. Los grados equivalentes del acero para herramientas O2 incluyen:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Est\u00e1ndar<\/th><th>Grado<\/th><\/tr><\/thead><tbody><tr><td>EN\/DIN<\/td><td>1.2842 \/ 90MnCrV8<\/td><\/tr><tr><td>JIS<\/td><td>SKS31<\/td><\/tr><tr><td>Gran Breta\u00f1a<\/td><td>9Mn2V<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-a-quick-checklist-of-o2-tool-steel-heat-treatment\" class=\"wp-block-heading\">Lista de verificaci\u00f3n r\u00e1pida del tratamiento t\u00e9rmico del acero para herramientas O2<\/h2>\n\n\n\n<div class=\"schema-how-to wp-block-yoast-how-to-block\"><p class=\"schema-how-to-description\">Siga estos pasos secuenciales para el tratamiento t\u00e9rmico adecuado del acero para herramientas O2: precalentamiento, endurecimiento (austenizaci\u00f3n), temple en aceite y revenido.<br><\/p> <ol class=\"schema-how-to-steps\"><li class=\"schema-how-to-step\" id=\"how-to-step-1765333742053\"><strong class=\"schema-how-to-step-name\"><strong>Precalentamiento<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Precaliente a 649\u2013677 \u00b0C (1200\u20131250 \u00b0F) hasta que se caliente de manera uniforme. Reduce el choque t\u00e9rmico y el riesgo de deformaci\u00f3n o agrietamiento.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1765333794811\"><strong class=\"schema-how-to-step-name\"><strong>Austenizaci\u00f3n (endurecimiento)<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Caliente a 760\u2013800 \u00b0C (1400\u20131472 \u00b0F). Los carburos de aleaci\u00f3n se disuelven y la microestructura se transforma en austenita.<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1765333800667\"><strong class=\"schema-how-to-step-name\"><strong>Temple<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Temple en aceite. Detenga cuando la pieza alcance 66\u201393 \u00b0C (150\u2013200 \u00b0F).<\/p> <\/li><li class=\"schema-how-to-step\" id=\"how-to-step-1765333801451\"><strong class=\"schema-how-to-step-name\"><strong>Templado<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Comience inmediatamente una vez que la pieza se enfr\u00ede a 52\u201365 \u00b0C (125\u2013150 \u00b0F). Revenir a 150\u2013260 \u00b0C (300\u2013500 \u00b0F). Tiempo m\u00ednimo de mantenimiento: 2 horas por pulgada (4,7 min\/mm) de secci\u00f3n transversal.<\/p> <\/li><\/ol><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Proceso de tratamiento t\u00e9rmico<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Precalentamiento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Precaliente a 649\u2013677 \u00b0C (1200\u20131250 \u00b0F) y mantenga hasta que la pieza est\u00e9 calentada uniformemente en todo su volumen. Esto reduce el choque t\u00e9rmico y el riesgo de deformaci\u00f3n o agrietamiento cuando el acero entra en el horno de austenizaci\u00f3n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Austenitizaci\u00f3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Caliente a 760\u2013800 \u00b0C (1400\u20131472 \u00b0F). A esta temperatura, los carburos de aleaci\u00f3n se disuelven y la microestructura se transforma en austenita. 790 \u00b0C (1450 \u00b0F) es la temperatura est\u00e1ndar recomendada para la mayor\u00eda de las aplicaciones. Controle cuidadosamente el tiempo de mantenimiento: un mantenimiento excesivo aumenta el contenido de austenita retenida y reduce la dureza final.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Temple<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Temple en aceite, deteni\u00e9ndose cuando la pieza alcance 66\u201393 \u00b0C (150\u2013200 \u00b0F). Mantenga la temperatura del aceite de temple entre 50\u201370 \u00b0C (120\u2013160 \u00b0F). No use agua ni salmuera: el riesgo de agrietamiento es grave. No envuelva en l\u00e1mina de acero inoxidable, ya que impide el contacto con el aceite.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"765\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/O2-Tool-Steel-Isothermal-Transformation-Diagram.avif\" alt=\"Diagrama de transformaci\u00f3n isot\u00e9rmica del acero para herramientas O2\" class=\"wp-image-11939\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/O2-Tool-Steel-Isothermal-Transformation-Diagram.avif 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/O2-Tool-Steel-Isothermal-Transformation-Diagram-300x224.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/O2-Tool-Steel-Isothermal-Transformation-Diagram-768x574.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/01\/O2-Tool-Steel-Isothermal-Transformation-Diagram-16x12.avif 16w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Diagrama de transformaci\u00f3n isot\u00e9rmica del acero para herramientas O2<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Templado<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Comience el revenido inmediatamente una vez que la pieza se enfr\u00ede a 52\u201365 \u00b0C (125\u2013150 \u00b0F); no permita que alcance primero la temperatura ambiente. Revenir a 150\u2013260 \u00b0C (300\u2013500 \u00b0F). Tiempo m\u00ednimo de mantenimiento: 2 horas por pulgada (4,7 min\/mm) de secci\u00f3n transversal, seguido de enfriamiento al aire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para aplicaciones exigentes, se prefiere el doble revenido. Para la mayor\u00eda de las herramientas, un solo revenido a 175\u2013205 \u00b0C (345\u2013400 \u00b0F) logra una dureza de trabajo de 58\u201362 HRC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dureza vs. temperatura de revenido:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Temperatura de revenido \u00b0C (\u00b0F)<\/th><th>Dureza (HRC)<\/th><\/tr><\/thead><tbody><tr><td>150 (300)<\/td><td>62.5<\/td><\/tr><tr><td>205 (400)<\/td><td>59.5<\/td><\/tr><tr><td>260 (500)<\/td><td>56.5<\/td><\/tr><tr><td>315 (600)<\/td><td>54.0<\/td><\/tr><tr><td>370 (700)<\/td><td>52.0<\/td><\/tr><tr><td>425 (800)<\/td><td>49.5<\/td><\/tr><tr><td>480 (900)<\/td><td>46.0<\/td><\/tr><tr><td>540 (1000)<\/td><td>41.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Problemas comunes y soluciones<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Deformaci\u00f3n y cambios dimensionales<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La deformaci\u00f3n en el acero O2 generalmente es causada por velocidades de temple excesivas o calentamiento desigual. Tres controles:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Martemplado:<\/strong> Interrumpa el temple en aceite caliente o sal fundida, mantenido a 14\u201328 \u00b0C (25\u201350 \u00b0F) por encima de la temperatura de inicio de la martensita (Ms), mantenga hasta que la temperatura de la pieza se iguale, luego enfr\u00ede al aire.<\/li>\n\n\n\n<li><strong>Precalentamiento:<\/strong> El precalentamiento a 650 \u00b0C (1200 \u00b0F) antes de la austenizaci\u00f3n reduce significativamente la distorsi\u00f3n durante el endurecimiento.<\/li>\n\n\n\n<li><strong>Sobremetal de mecanizado:<\/strong> Conserve suficiente material despu\u00e9s del mecanizado en bruto para corregir cualquier distorsi\u00f3n del tratamiento t\u00e9rmico final.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Agrietamiento por enfriamiento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Las causas incluyen velocidades de calentamiento excesivas, esquinas agudas y cambios abruptos en la secci\u00f3n transversal de la geometr\u00eda de la herramienta.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solo temple en aceite. El agua y la salmuera est\u00e1n prohibidas.<\/li>\n\n\n\n<li>Revenir la pieza antes de que se enfr\u00ede completamente a temperatura ambiente para aliviar las tensiones residuales.<\/li>\n\n\n\n<li>Para geometr\u00edas complejas, realice un recocido de alivio de tensiones a 650\u2013675 \u00b0C despu\u00e9s del mecanizado en bruto y antes del endurecimiento final.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Descarburaci\u00f3n superficial<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El acero O2 es sensible a la descarburaci\u00f3n durante el calentamiento. La p\u00e9rdida de carbono en la superficie produce una capa blanda que reduce la resistencia al desgaste.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caliente en una atm\u00f3sfera protectora: un gas endot\u00e9rmico, un ba\u00f1o de sal o vac\u00edo.<\/li>\n\n\n\n<li>Elimine toda la cascarilla de \u00f3xido y cualquier capa descarburada existente de la superficie antes del tratamiento t\u00e9rmico final.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Control de austenita retenida y dureza<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La austenizaci\u00f3n por encima de la temperatura recomendada aumenta el contenido de austenita retenida, lo que provoca dureza insuficiente e inestabilidad dimensional despu\u00e9s del temple.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mant\u00e9ngase dentro del rango de 760\u2013800 \u00b0C. Excederlo es la causa principal de problemas de austenita retenida.<\/li>\n\n\n\n<li>El tratamiento criog\u00e9nico a \u2212196 \u00b0C (\u2212321 \u00b0F) convierte una porci\u00f3n significativa de la austenita retenida en martensita.<\/li>\n\n\n\n<li>Revenir a 175\u2013205 \u00b0C (345\u2013400 \u00b0F) para alcanzar una dureza de trabajo estable de 58\u201362 HRC.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00edmites de aplicaci\u00f3n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El acero O2 no tiene dureza en caliente. Es adecuado para estampado en fr\u00edo, cizallado y conformado a temperaturas ambiente. No debe usarse en aplicaciones de trabajo en caliente como fundici\u00f3n a presi\u00f3n o forja en caliente.<\/p>\n\n\n\n<h2 id=\"h-faq\" class=\"wp-block-heading\">Preguntas frecuentes<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1765334229948\"><strong class=\"schema-faq-question\">\u00bfQu\u00e9 temperatura se utiliza para el precalentamiento del acero para herramientas O2?<br\/><\/strong> <p class=\"schema-faq-answer\">El acero para herramientas O2 debe precalentarse a <strong>649-677\u00b0C (1200-1250\u00b0F)<\/strong> hasta que el material se caliente de manera uniforme. El precalentamiento ayuda a reducir el choque t\u00e9rmico y disminuye el riesgo de deformaci\u00f3n o agrietamiento.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765334242713\"><strong class=\"schema-faq-question\">\u00bfCu\u00e1l es la temperatura de austenizaci\u00f3n recomendada para el acero para herramientas O2?<br\/><\/strong> <p class=\"schema-faq-answer\">El rango de temperatura t\u00edpico de austenizaci\u00f3n (endurecimiento) para el acero O2 es <strong>760 to 800\u00b0C (1400 to 1472\u00b0F)<\/strong>. A esta temperatura, los carburos de aleaci\u00f3n complejos se disuelven y la microestructura se transforma en austenita.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765334243549\"><strong class=\"schema-faq-question\">\u00bfC\u00f3mo se templa el acero para herramientas O2 despu\u00e9s del endurecimiento?<br\/><\/strong> <p class=\"schema-faq-answer\">Despu\u00e9s de la austenizaci\u00f3n, el acero para herramientas O2 t\u00edpicamente se <span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>templa r\u00e1pidamente en aceite<\/strong>\u00a0<\/span>para transformar la austenita en martensita dura. El material debe enfriarse a una temperatura entre <strong>66 y 93 \u00b0C (150 y 200 \u00b0F)<\/strong> antes de proceder al revenido.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765334244305\"><strong class=\"schema-faq-question\">\u00bfCu\u00e1ndo debe comenzar el revenido del acero para herramientas O2 despu\u00e9s del temple?<br><\/strong> <p class=\"schema-faq-answer\">El revenido debe comenzar inmediatamente cuando la temperatura del paso de temple haya descendido a <strong>52-65\u00b0C (125-150\u00b0F)<\/strong>. Este momento inmediato es cr\u00edtico para prevenir efectos adversos en la vida \u00fatil de la herramienta y evitar la estabilizaci\u00f3n de la austenita retenida.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765334289108\"><strong class=\"schema-faq-question\">\u00bfCu\u00e1l es el tiempo de mantenimiento requerido durante el revenido para el acero O2?<br\/><\/strong> <p class=\"schema-faq-answer\">Cada ciclo de revenido para el acero para herramientas O2 requiere un tiempo de mantenimiento de al menos <strong>2 horas por pulgada (4,7 minutos por mil\u00edmetro)<\/strong> de la secci\u00f3n transversal. El revenido normalmente se realiza a bajas temperaturas entre 150 \u00b0C y 260 \u00b0C (300 \u00b0F a 500 \u00b0F<strong>)<\/strong> para mantener una alta dureza.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765334306984\"><strong class=\"schema-faq-question\">\u00bfEl acero para herramientas O2 requiere doble revenido?<br\/><\/strong> <p class=\"schema-faq-answer\">El acero para herramientas O2 normalmente requiere solo un ciclo de revenido. Sin embargo, a veces se prefiere el doble revenido, lo que requiere enfriamiento al aire hasta temperatura ambiente entre revenidos.<\/p> <\/div> <\/div>\n\n\n<ol class=\"wp-block-footnotes\"><li id=\"6666d472-7e42-4e7d-8427-2b3ef148d636\">Nee, J. G. (Revisor t\u00e9cnico principal y editor gerente). (2010). <em>Fundamentos del dise\u00f1o de herramientas<\/em> (6.\u00aa ed.). Society of Manufacturing Engineers. <a href=\"#6666d472-7e42-4e7d-8427-2b3ef148d636-link\" aria-label=\"Saltar a la referencia de la nota 1\">\u21a9\ufe0e<\/a><\/li><\/ol><\/div><\/div>\n\n\n\n<style id=\"aobo-hero-legibility\">\n\/* aobo product hero - copy sits on the photo, left side graded, right side\n   left at its own brightness. 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Compared with water-quenched steel, O2 steel exhibits better dimensional stability and higher toughness after complete quenching\u00a011. The equivalent grades of O2 tool steel include: Standard Grade EN\/DIN 1.2842 \/ 90MnCrV8 JIS SKS31 GB [&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":"[{\"content\":\"Nee, J. G. (Chief Technical Reviewer &amp; Managing Editor). (2010). <em>Fundamentals of Tool Design<\/em> (6th ed.). Society of Manufacturing Engineers.\",\"id\":\"6666d472-7e42-4e7d-8427-2b3ef148d636\"}]"},"class_list":["post-11734","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>O2 Tool Steel Heat Treatment Guide - AoboSteel<\/title>\n<meta name=\"description\" content=\"Complete O2 tool steel heat treatment guide: austenitize at 760\u2013800\u00b0C, oil quench, temper to 58\u201362 HRC. 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Preheating helps reduce thermal shock and lowers the risk of deformation or cracking.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334242713\",\"position\":2,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334242713\",\"name\":\"What is the recommended austenitizing temperature for O2 tool steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The typical austenitizing (hardening) temperature range for O2 steel is <strong>760 to 800\u00b0C (1400 to 1472\u00b0F)<\\\/strong>. At this temperature, complex alloy carbides are dissolved, and the microstructure transforms into austenite.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334243549\",\"position\":3,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334243549\",\"name\":\"How is O2 tool steel quenched after hardening?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"After austenitizing, O2 tool steel is typically rapidly <strong>quenched in oil<\\\/strong>\u00a0to transform the austenite into hard martensite. The material should be cooled to a temperature between <strong>66 and 93 \u00b0C (150 and 200 \u00b0F)<\\\/strong> before proceeding to tempering.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334244305\",\"position\":4,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334244305\",\"name\":\"When must tempering of O2 tool steel begin after quenching?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Tempering must begin immediately when the temperature from the quenching step has dropped to <strong>52-65\u00b0C (125-150\u00b0F)<\\\/strong>. This immediate timing is critical to prevent adverse effects on tool life and avoid stabilization of retained austenite.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334289108\",\"position\":5,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334289108\",\"name\":\"What is the required soak time during tempering for O2 steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Each tempering cycle for O2 tool steel requires a soak time of at least <strong>2 hours per inch (4.7 minutes per millimeter)<\\\/strong> of cross-section. Tempering typically occurs at low temperatures between 150 \u00b0C and 260 \u00b0C (300 \u00b0F to 500 \u00b0F<strong>)<\\\/strong> to maintain high hardness.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334306984\",\"position\":6,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#faq-question-1765334306984\",\"name\":\"Does O2 tool steel require double tempering?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"O2 tool steel commonly requires only a single tempering cycle. However, double tempering is sometimes preferred, requiring air cooling to room temperature between temperings.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"HowTo\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#howto-1\",\"name\":\"O2 Tool Steel Heat Treatment Guide\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#article\"},\"description\":\"Follow these sequential steps for proper heat treatment of O2 tool steel: preheating, hardening (austenitizing), oil quenching, and tempering.<br>\",\"step\":[{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#how-to-step-1765333742053\",\"name\":\"Preheating\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Preheat to 649\u2013677\u00b0C (1200\u20131250\u00b0F) until evenly heated. Reduces thermal shock and the risk of deformation or cracking.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#how-to-step-1765333794811\",\"name\":\"Austenitizing (Hardening)\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Heat to 760\u2013800\u00b0C (1400\u20131472\u00b0F). Alloy carbides dissolve, and the microstructure transforms to austenite.\"}]},{\"@type\":\"HowToStep\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/o2-tool-steel-heat-treatment\\\/#how-to-step-1765333800667\",\"name\":\"Quenching\",\"itemListElement\":[{\"@type\":\"HowToDirection\",\"text\":\"Quench in oil. 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Preheating helps reduce thermal shock and lowers the risk of deformation or cracking.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334242713","position":2,"url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334242713","name":"\u00bfCu\u00e1l es la temperatura de austenizaci\u00f3n recomendada para el acero para herramientas O2?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The typical austenitizing (hardening) temperature range for O2 steel is <strong>760 to 800\u00b0C (1400 to 1472\u00b0F)<\/strong>. At this temperature, complex alloy carbides are dissolved, and the microstructure transforms into austenite.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334243549","position":3,"url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334243549","name":"\u00bfC\u00f3mo se templa el acero para herramientas O2 despu\u00e9s del endurecimiento?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"After austenitizing, O2 tool steel is typically rapidly <strong>quenched in oil<\/strong>\u00a0to transform the austenite into hard martensite. The material should be cooled to a temperature between <strong>66 and 93 \u00b0C (150 and 200 \u00b0F)<\/strong> before proceeding to tempering.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334244305","position":4,"url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334244305","name":"\u00bfCu\u00e1ndo debe comenzar el revenido del acero para herramientas O2 despu\u00e9s del temple?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Tempering must begin immediately when the temperature from the quenching step has dropped to <strong>52-65\u00b0C (125-150\u00b0F)<\/strong>. This immediate timing is critical to prevent adverse effects on tool life and avoid stabilization of retained austenite.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334289108","position":5,"url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334289108","name":"\u00bfCu\u00e1l es el tiempo de mantenimiento requerido durante el revenido para el acero O2?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Each tempering cycle for O2 tool steel requires a soak time of at least <strong>2 hours per inch (4.7 minutes per millimeter)<\/strong> of cross-section. Tempering typically occurs at low temperatures between 150 \u00b0C and 260 \u00b0C (300 \u00b0F to 500 \u00b0F<strong>)<\/strong> to maintain high hardness.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334306984","position":6,"url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#faq-question-1765334306984","name":"\u00bfEl acero para herramientas O2 requiere doble revenido?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"O2 tool steel commonly requires only a single tempering cycle. However, double tempering is sometimes preferred, requiring air cooling to room temperature between temperings.","inLanguage":"es"},"inLanguage":"es"},{"@type":"HowTo","@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#howto-1","name":"Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O2","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#article"},"description":"Siga estos pasos secuenciales para el tratamiento t\u00e9rmico adecuado del acero para herramientas O2: precalentamiento, endurecimiento (austenizaci\u00f3n), temple en aceite y revenido.<br>","step":[{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#how-to-step-1765333742053","name":"Preheating","itemListElement":[{"@type":"HowToDirection","text":"Preheat to 649\u2013677\u00b0C (1200\u20131250\u00b0F) until evenly heated. Reduces thermal shock and the risk of deformation or cracking."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#how-to-step-1765333794811","name":"Austenitizing (Hardening)","itemListElement":[{"@type":"HowToDirection","text":"Heat to 760\u2013800\u00b0C (1400\u20131472\u00b0F). Alloy carbides dissolve, and the microstructure transforms to austenite."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#how-to-step-1765333800667","name":"Quenching","itemListElement":[{"@type":"HowToDirection","text":"Quench in oil. Stop when the workpiece reaches 66\u201393\u00b0C (150\u2013200\u00b0F)."}]},{"@type":"HowToStep","url":"https:\/\/aobosteel.com\/o2-tool-steel-heat-treatment\/#how-to-step-1765333801451","name":"Tempering","itemListElement":[{"@type":"HowToDirection","text":"Begin immediately once the workpiece cools to 52\u201365\u00b0C (125\u2013150\u00b0F). Temper at 150\u2013260\u00b0C (300\u2013500\u00b0F). Minimum soak: 2 hours per inch (4.7 min\/mm) of cross-section."}]}],"inLanguage":"es"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"O2 tool steel is an oil-quenched cold work tool steel with high hardness, high wear resistance, and minimal deformation during heat treatment. Compared with water-quenched steel, O2 steel exhibits better dimensional stability and higher toughness after complete quenching\u00a011. The equivalent grades of O2 tool steel include: Standard Grade EN\/DIN 1.2842 \/ 90MnCrV8 JIS SKS31 GB&hellip;","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"O2 tool steel is an oil-quenched cold work tool steel with high hardness, high wear resistance, and minimal deformation during heat treatment. Compared with water-quenched steel, O2 steel exhibits better dimensional stability and higher toughness after complete quenching\u00a011. The equivalent grades of O2 tool steel include: Standard Grade EN\/DIN 1.2842 \/ 90MnCrV8 JIS SKS31 GB&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/11734","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/comments?post=11734"}],"version-history":[{"count":3,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/11734\/revisions"}],"predecessor-version":[{"id":20030,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/11734\/revisions\/20030"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=11734"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}