{"id":11734,"date":"2026-01-04T11:32:34","date_gmt":"2026-01-04T03:32:34","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11734"},"modified":"2026-06-06T11:46:39","modified_gmt":"2026-06-06T03:46:39","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=\"1024\" height=\"337\" class=\"wp-block-cover__image-background wp-image-7233 size-large\" alt=\"\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp\" data-object-fit=\"cover\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-1024x337.webp 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3-300x99.webp 300w, 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, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/05\/banner3.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><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\">Inicio<\/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\/\">Acero para herramientas O2<\/a> Es un acero para herramientas de trabajo en fr\u00edo templado en aceite con alta dureza, alta resistencia al desgaste y m\u00ednima deformaci\u00f3n durante el tratamiento t\u00e9rmico. En comparaci\u00f3n con el acero templado en agua, el acero O2 exhibe una mejor estabilidad dimensional y mayor tenacidad despu\u00e9s del temple completo.<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 de 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>GB<\/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 un 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\">Precalentar a 649\u2013677 \u00b0C (1200\u20131250 \u00b0F) hasta que se caliente de manera uniforme. Esto 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>Austenitizaci\u00f3n (endurecimiento)<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Calentar 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>Enfriamiento<\/strong><\/strong> <p class=\"schema-how-to-step-text\">Enfriar en aceite. Detener el proceso cuando la pieza alcance los 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). Revenido a 150\u2013260 \u00b0C (300\u2013500 \u00b0F). Tiempo m\u00ednimo de remojo: 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 la pieza a 649\u2013677 \u00b0C (1200\u20131250 \u00b0F) y mantenga la temperatura hasta que est\u00e9 uniformemente caliente. 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\">Calentar 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. Controlar 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\">Enfriamiento<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Enfr\u00ede la pieza en aceite, deteni\u00e9ndose cuando alcance los 66\u201393 \u00b0C (150\u2013200 \u00b0F). Mantenga la temperatura del aceite de enfriamiento entre 50\u201370 \u00b0C (120\u2013160 \u00b0F). No utilice agua ni salmuera, ya que el riesgo de agrietamiento es elevado. No la envuelva en papel de aluminio, pues dificulta 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 despu\u00e9s de que la pieza se enfr\u00ede a 52\u201365 \u00b0C (125\u2013150 \u00b0F); no permita que alcance la temperatura ambiente antes. Revenido 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 templado. Para la mayor\u00eda de las herramientas, un solo templado 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 frente a 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 suele estar causada por velocidades de enfriamiento excesivas o un calentamiento desigual. Tres controles:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Martmpering:<\/strong> Interrumpa el enfriamiento en aceite caliente o sal fundida, a una temperatura de entre 14 y 28 \u00b0C (25 y 50 \u00b0F) por encima de la temperatura de inicio de la martensita (Ms), mant\u00e9ngala hasta que la temperatura de la pieza se iguale y, a continuaci\u00f3n, 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>Tolerancia de mecanizado:<\/strong> Tras el desbaste, conserve suficiente material para corregir cualquier deformaci\u00f3n derivada 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\">Entre las causas se incluyen velocidades de calentamiento excesivas, esquinas afiladas y cambios bruscos 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 se permite el enfriamiento con aceite. El agua y la salmuera est\u00e1n prohibidas.<\/li>\n\n\n\n<li>Para aliviar las tensiones residuales, temple la pieza antes de que se enfr\u00ede completamente a temperatura ambiente.<\/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 de la superficie<\/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>Calor en una atm\u00f3sfera protectora: un gas endot\u00e9rmico, un ba\u00f1o de sales o el vac\u00edo.<\/li>\n\n\n\n<li>Elimine toda la cascarilla de \u00f3xido y cualquier capa descarburizada existente de la superficie antes del tratamiento t\u00e9rmico final.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Austenita retenida y control de 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 conlleva una dureza insuficiente e inestabilidad dimensional tras el temple.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Mant\u00e9ngase dentro del rango de 760\u2013800 \u00b0C. Superar este rango es la causa principal de los problemas de austenita retenida.<\/li>\n\n\n\n<li>El tratamiento criog\u00e9nico a -196 \u00b0C (-321 \u00b0F) convierte una porci\u00f3n significativa de la austenita retenida en martensita.<\/li>\n\n\n\n<li>Templar 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 presenta dureza en caliente. Es apto para estampado en fr\u00edo, cizallado y conformado a temperatura ambiente. No debe utilizarse 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 precalentar el 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 uniformemente. El precalentamiento ayuda a reducir el choque t\u00e9rmico y 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 t\u00edpico de temperatura de austenizaci\u00f3n (endurecimiento) para el acero O2 es <strong>760 a 800 \u00b0C (1400 a 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 enfr\u00eda 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 se suele ablandar r\u00e1pidamente. <span style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"><strong>templado 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 temple.<\/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 bajado a <strong>52-65 \u00b0C (125-150 \u00b0F)<\/strong>. Este momento inmediato es fundamental para evitar 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 remojo requerido durante el revenido del acero O2?<br\/><\/strong> <p class=\"schema-faq-answer\">Cada ciclo de templado para acero para herramientas O2 requiere un tiempo de remojo de al menos <strong>2 horas por pulgada (4,7 minutos por mil\u00edmetro)<\/strong> de secci\u00f3n transversal. El revenido suele ocurrir a bajas temperaturas, entre 150 \u00b0C y 260 \u00b0C (300 \u00b0F y 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 un doble revenido?<br\/><\/strong> <p class=\"schema-faq-answer\">El acero para herramientas O2 generalmente requiere un solo ciclo de revenido. Sin embargo, en ocasiones se prefiere un doble revenido, que requiere enfriamiento al aire hasta alcanzar la temperatura ambiente entre cada ciclo.<\/p> <\/div> <\/div>\n\n\n<ol class=\"wp-block-footnotes\"><li id=\"6666d472-7e42-4e7d-8427-2b3ef148d636\">Nee, JG (Revisor t\u00e9cnico jefe y editor gerente). (2010). <em>Fundamentos del dise\u00f1o de herramientas<\/em> (6\u00aa ed.). Sociedad de Ingenieros de Fabricaci\u00f3n. <a href=\"#6666d472-7e42-4e7d-8427-2b3ef148d636-link\" aria-label=\"Saltar a la referencia de la nota al pie 1\">\u21a9\ufe0e<\/a><\/li><\/ol><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>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;]<\/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 v27.9 (Yoast SEO v27.9) - 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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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. 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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\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O2 - AoboSteel","description":"Gu\u00eda completa de tratamiento t\u00e9rmico para acero para herramientas O2: austenizaci\u00f3n a 760\u2013800 \u00b0C, temple en aceite, revenido a 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":"\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 enfr\u00eda 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 remojo requerido durante el revenido del 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 un 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 un 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":0,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/11734\/revisions"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=11734"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}