{"id":11736,"date":"2025-12-25T20:03:50","date_gmt":"2025-12-25T12:03:50","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11736"},"modified":"2026-05-15T12:46:23","modified_gmt":"2026-05-15T04:46:23","slug":"o1-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/o1-tool-steel-heat-treatment\/","title":{"rendered":"Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O1: endurecimiento, temple en aceite y revenido."},"content":{"rendered":"
\"\"<\/figure>\n\n\n\n

Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas O1<\/h1>\n\n\n\n

El acero para herramientas O1 se trata t\u00edpicamente mediante un precalentamiento a aproximadamente 1200 \u00b0F \/ 650 \u00b0C<\/strong>, austeniz\u00e1ndose en 1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C<\/strong>, temple en aceite caliente y agitado, y revenido seg\u00fan la dureza final requerida. Despu\u00e9s del endurecimiento y revenido adecuados, O1 suele alcanzar aproximadamente 57\u201363 HRC<\/strong>, mientras que la dureza en estado templado suele ser 64\u201365 HRC<\/strong>.<\/p>\n\n\n\n

Dado que el acero O1 es un acero para herramientas de trabajo en fr\u00edo que se endurece con aceite, los riesgos m\u00e1s importantes del tratamiento t\u00e9rmico son el agrietamiento por temple, la deformaci\u00f3n, la descarburaci\u00f3n, los puntos blandos y el revenido retardado. Estos problemas suelen deberse a un control deficiente de la temperatura, una geometr\u00eda de herramienta inadecuada, una agitaci\u00f3n insuficiente del aceite, un remojo excesivo o dejar la pieza sin revenir despu\u00e9s del temple.<\/p>\n\n\n\n

Esta gu\u00eda proporciona una tabla pr\u00e1ctica de tratamiento t\u00e9rmico O1, que incluye alivio de tensiones, recocido, precalentamiento, austenizaci\u00f3n, temple en aceite, temperaturas de revenido, dureza esperada, cambios de tama\u00f1o y fallos comunes del tratamiento t\u00e9rmico.<\/p>\n\n\n\n

Suministros de acero Aobo Acero para herramientas O1 \/ 1.2510 \/ SKS3 recocido en barra redonda y barra plana<\/a> Para pedidos industriales a granel. Esta gu\u00eda se proporciona como referencia sobre tratamientos t\u00e9rmicos para clientes que necesitan comprender el endurecimiento, el temple en aceite, el revenido, la dureza y los cambios dimensionales antes de la producci\u00f3n.<\/p>\n\n\n\n

Tabla de temperaturas de tratamiento t\u00e9rmico del acero para herramientas O1<\/h2>\n\n\n\n
Proceso de tratamiento t\u00e9rmico<\/strong><\/td>Temperatura \u00b0F<\/strong><\/td>Temperatura \u00b0C<\/strong><\/td>Instrucci\u00f3n pr\u00e1ctica<\/strong><\/td><\/tr>
Alivio del estr\u00e9s<\/td>1200\u00b0F\u20131250\u00b0F<\/td>649\u00b0C\u2013677\u00b0C<\/td>Remojar de 1 a 2 horas por cada pulgada de espesor. Enfriar lentamente. Se utiliza despu\u00e9s de un mecanizado intenso y antes del endurecimiento.<\/td><\/tr>
Recocido<\/td>1350\u00b0F\u20131450\u00b0F<\/td>730\u00b0C\u2013788\u00b0C<\/td>Remojar completamente. Enfriar lentamente en el horno hasta aproximadamente 900 \u00b0F\u20131000 \u00b0F \/ 482 \u00b0C\u2013540 \u00b0C, luego enfriar al aire.<\/td><\/tr>
Precalentamiento<\/td>Aproximadamente 1200 \u00b0F<\/td>Aproximadamente 650 \u00b0C<\/td>Mantener durante 10-15 minutos o hasta que est\u00e9 uniformemente caliente. No dejar en remojo demasiado tiempo.<\/td><\/tr>
Austenizaci\u00f3n \/ Endurecimiento<\/td>1450\u00b0F\u20131500\u00b0F<\/td>788\u00b0C\u2013816\u00b0C<\/td>Calentar desde la temperatura de precalentamiento hasta la de endurecimiento. Evitar el sobrecalentamiento y un tiempo de remojo excesivo.<\/td><\/tr>
Enfriamiento con aceite<\/td>Retirar a una temperatura de entre 125 \u00b0F y 200 \u00b0F.<\/td>52\u00b0C\u201393\u00b0C<\/td>Enfriar en aceite caliente y agitado. Templar inmediatamente despu\u00e9s del enfriamiento.<\/td><\/tr>
Templado<\/td>Normalmente entre 300 \u00b0F y 600 \u00b0F.<\/td>149 \u00b0C\u2013316 \u00b0C normalmente<\/td>Mantener aproximadamente 2 horas por cada pulgada de espesor de la secci\u00f3n. Seleccionar la temperatura seg\u00fan la dureza final.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Para la mayor\u00eda de las herramientas de trabajo en fr\u00edo, el O1 se templa com\u00fanmente entre 300 \u00b0F y 500 \u00b0F (149 \u00b0C y 260 \u00b0C)<\/strong>. Esta gama mantiene una alta dureza a la vez que reduce la fragilidad causada por el temple.<\/p>\n\n\n\n

C\u00f3mo realizar el tratamiento t\u00e9rmico del acero para herramientas O1<\/h2>\n\n\n\n

El tratamiento t\u00e9rmico O1 normalmente incluye precalentamiento, austenizaci\u00f3n, temple en aceite y revenido. Se aplica alivio de tensiones cuando la pieza ha sido mecanizada intensamente. El recocido se utiliza para ablandar el O1 endurecido y facilitar su reprocesamiento.<\/p>\n\n\n\n

1. Alivio del estr\u00e9s antes del endurecimiento<\/h3>\n\n\n\n

Se recomienda el alivio de tensiones tras un mecanizado intenso, la eliminaci\u00f3n de material grueso o un rectificado irregular. Estos procesos pueden dejar tensiones internas en la herramienta. Si la pieza se endurece sin alivio de tensiones, las tensiones residuales pueden combinarse con las tensiones de temple, provocando deformaciones o grietas.<\/p>\n\n\n\n

Calentar lentamente el O1 sin endurecer 1200 \u00b0F\u20131250 \u00b0F (649 \u00b0C\u2013677 \u00b0C)<\/strong>, remojar para 1-2 horas por pulgada de espesor<\/strong>, Luego, enfriar lentamente. Este paso no endurece el acero. Su prop\u00f3sito es reducir la tensi\u00f3n interna antes del ciclo de endurecimiento final.<\/p>\n\n\n\n

2. Recocido del acero para herramientas O1<\/h3>\n\n\n\n

El recocido se utiliza para ablandar el acero O1 endurecido para su mecanizado o correcci\u00f3n. Calentar el acero a 1350\u00b0F\u20131450\u00b0F \/ 730\u00b0C\u2013788\u00b0C<\/strong>, remojar bien, luego enfriar lentamente en el horno hasta aproximadamente 900\u00b0F\u20131000\u00b0F \/ 482\u00b0C\u2013540\u00b0C<\/strong> antes de la refrigeraci\u00f3n por aire.<\/p>\n\n\n\n

La protecci\u00f3n de la superficie es importante durante el recocido y el endurecimiento. Si el O1 se calienta en una atm\u00f3sfera oxidante, la superficie puede perder carbono. Una superficie descarburizada no se endurecer\u00e1 correctamente y puede desgastarse r\u00e1pidamente durante su uso.<\/p>\n\n\n\n

3. Precalentamiento del acero para herramientas O1<\/h3>\n\n\n\n

El precalentamiento reduce el choque t\u00e9rmico antes de que el acero alcance el rango de austenizaci\u00f3n. Es especialmente \u00fatil para piezas con espesores de secci\u00f3n irregulares, esquinas afiladas o tensiones de mecanizado.<\/p>\n\n\n\n

Precalentar O1 a aproximadamente 1200 \u00b0F \/ 650 \u00b0C<\/strong> y mantener por 10\u201315 minutos<\/strong>, o hasta que la pieza de trabajo est\u00e9 calentada uniformemente. Debe ser un paso de igualaci\u00f3n breve, no un mantenimiento prolongado de la temperatura.<\/p>\n\n\n\n

4. Austenizaci\u00f3n y endurecimiento del acero para herramientas O1<\/h3>\n\n\n\n

La austenizaci\u00f3n es la principal etapa de endurecimiento. El O1 generalmente se calienta a 1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C<\/strong> antes del enfriamiento en aceite.<\/p>\n\n\n\n

El extremo inferior de este rango suele ser m\u00e1s seguro cuando la tenacidad y el control dimensional son importantes. El extremo superior puede aumentar la dureza y la resistencia al desgaste, pero el sobrecalentamiento o el remojo excesivo pueden incrementar la austenita retenida, reducir la estabilidad dimensional y generar una dureza menor a la esperada tras el temple.<\/p>\n\n\n\n

La pieza debe sumergirse solo el tiempo necesario para que la secci\u00f3n alcance una temperatura uniforme. Un calentamiento insuficiente puede provocar un endurecimiento incompleto. Un sobrecalentamiento puede causar una dureza inestable, deformaci\u00f3n o fragilidad.<\/p>\n\n\n\n

5. Acero para herramientas O1 templado en aceite<\/h3>\n\n\n\n

El acero O1 debe enfriarse en aceite para alcanzar su m\u00e1xima dureza. El aceite debe estar caliente y agitarse adecuadamente. El aceite est\u00e1tico puede crear una capa de vapor alrededor de la pieza caliente, lo que ralentiza el enfriamiento local y provoca zonas blandas.<\/p>\n\n\n\n

Un rango pr\u00e1ctico de temperatura del aceite de temple es aproximadamente 75\u00b0F\u2013140\u00b0F (25\u00b0C\u201360\u00b0C)<\/strong>, Dependiendo del aceite y de las pr\u00e1cticas del taller. Despu\u00e9s del enfriamiento, retire la pieza del aceite cuando alcance aproximadamente 52 \u00b0C a 93 \u00b0C (125 \u00b0F a 200 \u00b0F).<\/p>\n\n\n\n

La pieza debe templarse mientras a\u00fan est\u00e9 caliente. El templado tard\u00edo es una de las causas m\u00e1s comunes de agrietamiento en el acero O1 endurecido.<\/p>\n\n\n\n

6. Templado del acero para herramientas O1<\/h3>\n\n\n\n

El revenido reduce la tensi\u00f3n y la fragilidad de la martensita reci\u00e9n templada. Adem\u00e1s, determina la dureza final de trabajo.<\/p>\n\n\n\n

Para la mayor\u00eda de las herramientas de trabajo en fr\u00edo O1, el templado se realiza normalmente entre 300 \u00b0F y 500 \u00b0F (149 \u00b0C y 260 \u00b0C)<\/strong>. Una temperatura de referencia com\u00fan es 350 \u00b0F (177 \u00b0C), que normalmente produce aproximadamente 62\u201363 HRC<\/strong> despu\u00e9s del endurecimiento adecuado.<\/p>\n\n\n\n

Una regla com\u00fan de remojo es 2 horas por pulgada de espesor de secci\u00f3n<\/strong>. El revenido simple se usa con frecuencia para el acero O1, pero el revenido doble puede emplearse cuando se requiere mayor estabilidad o alivio de tensiones. Si se utiliza el revenido doble, la herramienta debe enfriarse a temperatura ambiente entre ciclos.<\/p>\n\n\n\n

Tabla de templado del acero para herramientas O1<\/h2>\n\n\n\n

La dureza O1 disminuye a medida que aumenta la temperatura de revenido. Los siguientes valores representan los niveles de dureza t\u00edpicos esperados tras una austenizaci\u00f3n y un temple en aceite adecuados.<\/p>\n\n\n\n

Temperatura de templado \u00b0F<\/strong><\/td>Temperatura de templado \u00b0C<\/strong><\/td>Dureza esperada HRC<\/strong><\/td><\/tr>
Como se apag\u00f3<\/td>Como se apag\u00f3<\/td>64\u201365 HRC<\/td><\/tr>
300\u00b0F<\/td>149\u00b0C<\/td>63 HRC<\/td><\/tr>
350\u00b0F<\/td>177\u00b0C<\/td>62\u201363 HRC<\/td><\/tr>
400\u00b0F<\/td>204\u00b0C<\/td>62 HRC<\/td><\/tr>
500\u00b0F<\/td>260\u00b0C<\/td>60 HRC<\/td><\/tr>
600\u00b0F<\/td>316\u00b0C<\/td>57 HRC<\/td><\/tr>
700\u00b0F<\/td>371\u00b0C<\/td>53 HRC<\/td><\/tr>
800 \u00b0F<\/td>427\u00b0C<\/td>50 HRC<\/td><\/tr>
900\u00b0F<\/td>482\u00b0C<\/td>47 HRC<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Dureza del acero para herramientas O1 despu\u00e9s del tratamiento t\u00e9rmico<\/h2>\n\n\n\n

O1 normalmente alcanza 64\u201365 HRC<\/strong> Inmediatamente despu\u00e9s del temple en aceite. Este estado, tal como se obtiene tras el temple, es demasiado fr\u00e1gil para su uso y debe ser revenido.<\/p>\n\n\n\n

Despu\u00e9s del revenido, la dureza de trabajo t\u00edpica es de aproximadamente 57\u201363 HRC<\/strong>. El valor final depende principalmente de la temperatura de revenido, el tama\u00f1o de la secci\u00f3n, el control de la austenizaci\u00f3n y la eficacia del temple.<\/p>\n\n\n\n

Condiciones de tratamiento t\u00e9rmico<\/strong><\/td>Dureza t\u00edpica<\/strong><\/td><\/tr>
Tal como se enfr\u00eda, antes del templado<\/td>64\u201365 HRC<\/td><\/tr>
Templado a 300 \u00b0F \/ 149 \u00b0C<\/td>Aproximadamente 63 HRC<\/td><\/tr>
Templado a 350 \u00b0F \/ 177 \u00b0C<\/td>Aproximadamente 62\u201363 HRC<\/td><\/tr>
Templado a 500 \u00b0F \/ 260 \u00b0C<\/td>Aproximadamente 60 HRC<\/td><\/tr>
Templado a 600 \u00b0F \/ 316 \u00b0C<\/td>Aproximadamente 57 HRC<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

El acero O1 se endurece bien en secciones peque\u00f1as y moderadas. Las secciones muy grandes pueden no enfriarse lo suficientemente r\u00e1pido en el n\u00facleo, por lo que la dureza central puede ser menor que la dureza superficial.<\/p>\n\n\n\n

O1 Control del cambio de tama\u00f1o y la distorsi\u00f3n mediante tratamiento t\u00e9rmico<\/h2>\n\n\n\n

El acero para herramientas O1 cambia de tama\u00f1o durante el tratamiento t\u00e9rmico porque su microestructura se transforma de la condici\u00f3n recocida a martensita durante el temple en aceite. Un valor de expansi\u00f3n pr\u00e1ctico esperado es de aproximadamente 0,0015 pulgadas\/pulgada<\/strong>, o aproximadamente 0,15 mm sobre 100 mm<\/strong>.<\/p>\n\n\n\n

Este valor debe utilizarse \u00fanicamente como referencia. El cambio dimensional real depende de la temperatura de austenizaci\u00f3n, el control del tiempo de mantenimiento a temperatura, la velocidad de enfriamiento, la agitaci\u00f3n del aceite, el tama\u00f1o de la secci\u00f3n y la temperatura de revenido. Si el acero se sobrecalienta o se mantiene demasiado tiempo a la temperatura de endurecimiento, el cambio dimensional tras el enfriamiento y el revenido puede ser menos predecible.<\/p>\n\n\n\n

La deformaci\u00f3n durante el tratamiento t\u00e9rmico O1 se debe principalmente al calentamiento y enfriamiento desiguales, as\u00ed como a la transformaci\u00f3n martens\u00edtica no uniforme durante el temple en aceite. Dado que el O1 requiere un temple en l\u00edquido, es m\u00e1s sensible a las tensiones de temple que los grados de endurecimiento al aire, como el A2. Si distintas zonas de la herramienta se enfr\u00edan a velocidades diferentes, la superficie y el n\u00facleo pueden transformarse en momentos distintos, provocando flexi\u00f3n, deformaci\u00f3n o p\u00e9rdida de planitud.<\/p>\n\n\n\n

\"Tabla
La tabla de cambios de tama\u00f1o de templado O1 se referencia desde Tratamiento t\u00e9rmico, selecci\u00f3n y aplicaci\u00f3n de aceros para herramientas<\/em>, P\u00e1gina 208. Muestra la variaci\u00f3n dimensional aproximada del acero para herramientas O1 a diferentes temperaturas de revenido tras un endurecimiento adecuado. Estos valores deben utilizarse \u00fanicamente como datos de referencia t\u00e9cnica, ya que la variaci\u00f3n dimensional real puede depender de la temperatura de austenizaci\u00f3n, el m\u00e9todo de temple, el tama\u00f1o de la secci\u00f3n, el ciclo de revenido y la geometr\u00eda de la herramienta.<\/figcaption><\/figure>\n\n\n\n
Factor de tratamiento t\u00e9rmico<\/strong><\/td>Resultado posible<\/strong><\/td>M\u00e9todo de control<\/strong><\/td><\/tr>
Calentamiento desigual antes de la austenizaci\u00f3n<\/td>Diferencia de temperatura entre la superficie y el n\u00facleo.<\/td>Utilice un precalentamiento adecuado antes del endurecimiento.<\/td><\/tr>
Temperatura de austenizaci\u00f3n excesiva<\/td>Cambio dimensional menos predecible<\/td>Mant\u00e9ngase dentro del rango de endurecimiento recomendado.<\/td><\/tr>
Tiempo de remojo excesivo<\/td>Mayor inestabilidad dimensional<\/td>Remojar solo el tiempo suficiente para un calentamiento uniforme.<\/td><\/tr>
Refrigeraci\u00f3n desigual del aceite<\/td>Deformaci\u00f3n, flexi\u00f3n o variaci\u00f3n local de la dureza<\/td>Utilice aceite de temple tibio y debidamente agitado.<\/td><\/tr>
Temperatura de templado inadecuada<\/td>Cambios de dureza y tama\u00f1o fuera del rango objetivo<\/td>Seleccione la temperatura de revenido seg\u00fan la dureza requerida.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

El objetivo no es eliminar por completo la variaci\u00f3n dimensional, sino hacerla predecible. Para herramientas de precisi\u00f3n de acero O1, se debe planificar el margen de mecanizado o rectificado final antes del tratamiento t\u00e9rmico, ya que incluso el acero O1 tratado t\u00e9rmicamente de forma adecuada puede presentar una ligera dilataci\u00f3n o movimiento tras el endurecimiento y el revenido. <\/p>\n\n\n\n

Common O1 Tool Steel Heat Treatment Problems<\/h2>\n\n\n\n

Most O1 heat-treatment problems stem from improper temperature control, poor oil quenching, delayed tempering, decarburization, or unsuitable part geometry.<\/p>\n\n\n\n

Problema<\/strong><\/td>Causa<\/strong><\/td>Resultado<\/strong><\/td>Prevenci\u00f3n<\/strong><\/td><\/tr>
Apaga el agrietamiento<\/td>Sharp corners, high stress, delayed tempering<\/td>Cracks during or after quenching<\/td>Improve design, stress relieve, temper immediately<\/td><\/tr>
Descarburaci\u00f3n<\/td>Heating in oxidizing atmosphere<\/td>Soft surface after hardening<\/td>Use vacuum, protective atmosphere, salt bath, or surface protection<\/td><\/tr>
Baja dureza<\/td>Underheating, weak quench, overheating, retained austenite<\/td>Tool does not reach target hardness<\/td>Control austenitizing temperature and quench conditions<\/td><\/tr>
Puntos blandos<\/td>Poor oil agitation, vapor blanket, surface scale<\/td>Local non-uniform hardness<\/td>Clean the part and use agitated oil<\/td><\/tr>
Excessive distortion<\/td>Machining stress, uneven sections, poor quench control<\/td>Warping or bending<\/td>Stress relieve, preheat, improve tool geometry<\/td><\/tr>
Over-tempering<\/td>Tempering too hot or grinding burn<\/td>Hardness loss<\/td>Control tempering and grinding temperature<\/td><\/tr>
Templado insuficiente<\/td>Too low temperature or insufficient soak<\/td>Brittleness and early cracking<\/td>Temper immediately and soak long enough<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Quench cracking is often blamed on the material, but in many cases, the real cause is tool geometry, machining stress, quench severity, or delayed tempering. O1 should be treated carefully when the part has sharp corners, thin webs, blind holes, or large section differences.<\/p>\n\n\n\n

Decarburization is also important because a carbon-depleted surface cannot harden properly. A soft surface layer reduces wear resistance and may create uneven transformation between the surface and core.<\/p>\n\n\n\n

O1 Tool Steel Heat Treatment for Cold-Work Tooling Applications<\/h2>\n\n\n\n

O1 is used in cold-work tooling when the tool requires high hardness, good machinability prior to hardening, and reasonable dimensional control after oil quenching. Typical applications include punches, blanking dies, forming dies, trimming dies, gauges, bushings, arbors, broaches, taps, reamers, threading dies, and slitting cutters.<\/p>\n\n\n\n

For these tools, heat treatment is usually focused on three points: achieving full hardness during oil quenching, tempering to a level that maintains wear resistance, and controlling distortion so the tool remains usable after hardening.<\/p>\n\n\n\n

Tooling Requirement<\/strong><\/td>Heat Treatment Focus<\/strong><\/td><\/tr>
retenci\u00f3n de vanguardia<\/td>Use lower tempering temperature to keep high hardness<\/td><\/tr>
Punching and blanking<\/td>Balance hardness with toughness to reduce chipping<\/td><\/tr>
Calibradores y herramientas de precisi\u00f3n<\/td>Control size change and distortion<\/td><\/tr>
Heavily machined tools<\/td>Stress relieve before hardening<\/td><\/tr>
Geometr\u00eda compleja de la herramienta<\/td>Reduce stress concentration and quench cracking risk<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

O1 is not ideal for every cold-work tool. For very long production runs or severe abrasive wear, D2 may offer better wear resistance. For complex tools that require greater dimensional stability during hardening, A2 may be safer. For tools exposed to elevated service temperature, O1 can lose hardness because it has limited resistance to softening.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Aobo Steel supplies O1 \/ 1.2510 \/ SKS3 tool steel in an annealed condition for bulk industrial orders. We provide O1 round bar and flat bar for toolmakers, distributors, stockists, and industrial buyers.<\/p>\n\n\n\n

We do not provide final heat treatment service. This guide is provided as a technical reference for customers who purchase O1 tool steel and need to understand hardening, oil quenching, tempering, hardness control, and dimensional changes.<\/p>\n\n\n\n

For O1 tool steel quotation, available sizes, equivalent grade confirmation, and bulk supply support, please contact sales@aobosteel.com<\/a>.<\/p>\n\n\n\n

Preguntas frecuentes<\/h2>\n\n\n\n
\u00bfCu\u00e1l es la temperatura de tratamiento t\u00e9rmico recomendada para el acero para herramientas O1?<\/strong><\/strong>

O1 se suele precalentar a aproximadamente 1200 \u00b0F \/ 650 \u00b0C<\/strong>, austenizado en 1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C<\/strong>, templada en aceite y revenida hasta alcanzar la dureza requerida.<\/p> <\/div>

\u00bfA qu\u00e9 temperatura se debe endurecer el acero para herramientas O1?<\/strong><\/strong>

El rango de temperatura de endurecimiento com\u00fan es 1450\u00b0F\u20131500\u00b0F (788\u00b0C\u2013816\u00b0C)<\/strong>.<\/p> <\/div>

\u00bfEl acero para herramientas O1 necesita temple en aceite?<\/strong><\/strong>

S\u00ed. El acero O1 es un acero endurecible al aceite y debe templarse en aceite caliente y agitado. El temple en agua es demasiado severo y aumenta el riesgo de agrietamiento.<\/p> <\/div>

\u00bfCu\u00e1l es la temperatura de revenido \u00f3ptima para el acero para herramientas O1?<\/strong><\/strong>

Para muchas herramientas de trabajo en fr\u00edo, el O1 se templa entre 300 \u00b0F y 500 \u00b0F (149 \u00b0C y 260 \u00b0C)<\/strong>. Un punto de referencia com\u00fan es 350 \u00b0F (177 \u00b0C)<\/strong>, que normalmente produce alrededor de 62\u201363 HRC<\/strong>.<\/p> <\/div>

\u00bfQu\u00e9 dureza puede alcanzar el acero para herramientas O1 despu\u00e9s del tratamiento t\u00e9rmico?<\/strong><\/strong>

O1 puede alcanzar 64\u201365 HRC<\/strong> como templado. Despu\u00e9s del revenido, la dureza de trabajo t\u00edpica es de aproximadamente 57\u201363 HRC<\/strong>.<\/p> <\/div>

\u00bfCu\u00e1nto cambia de tama\u00f1o el acero para herramientas O1 despu\u00e9s del tratamiento t\u00e9rmico?<\/strong><\/strong>

Un valor de referencia pr\u00e1ctico es aproximadamente 0,0015 pulgadas\/pulgada<\/strong>, o aproximadamente 0,15 mm sobre 100 mm<\/strong>. El cambio de tama\u00f1o real depende del tama\u00f1o de la secci\u00f3n, la geometr\u00eda de la herramienta, la direcci\u00f3n del acero, la temperatura de endurecimiento y la pr\u00e1ctica de temple.<\/p> <\/div>

\u00bfDebe templarse el acero para herramientas O1 inmediatamente despu\u00e9s del enfriamiento?<\/strong><\/strong>

S\u00ed. El O1 debe templarse inmediatamente despu\u00e9s del enfriamiento en aceite, mientras la pieza a\u00fan est\u00e9 caliente. Un templado tard\u00edo puede provocar grietas.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"

O1 Tool Steel Heat Treatment Guide O1 tool steel is typically heat-treated by preheating to about 1200\u00b0F \/ 650\u00b0C, austenitizing at 1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C, quenching in warm, agitated oil, and tempering according to the required final hardness. After proper hardening and tempering, O1 commonly reaches about 57\u201363 HRC, while the as-quenched hardness is usually 64\u201365 HRC. Because […]<\/p>\n","protected":false},"author":1,"featured_media":15100,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"knowledge-article","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"normal-width-container","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":"disabled","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-11736","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nO1 Tool Steel Heat Treatment Guide: Hardening, Oil Quench & Tempering<\/title>\n<meta name=\"description\" content=\"O1 tool steel heat treatment guide with hardening temperature, oil quenching, tempering chart, hardness range, and size change data. 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A common reference point is <strong>350\u00b0F (177\u00b0C)<\\\/strong>, which typically yields about <strong>62\u201363 HRC<\\\/strong>.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o1-tool-steel-heat-treatment\\\/#faq-question-1778211445307\",\"position\":5,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o1-tool-steel-heat-treatment\\\/#faq-question-1778211445307\",\"name\":\"What hardness can O1 tool steel reach after heat treatment?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"O1 can reach <strong>64\u201365 HRC<\\\/strong> as quenched. After tempering, the typical working hardness is about <strong>57\u201363 HRC<\\\/strong>.\",\"inLanguage\":\"es\"},\"inLanguage\":\"es\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/o1-tool-steel-heat-treatment\\\/#faq-question-1778211491415\",\"position\":6,\"url\":\"https:\\\/\\\/aobosteel.com\\\/o1-tool-steel-heat-treatment\\\/#faq-question-1778211491415\",\"name\":\"How much does O1 tool steel change size after heat treatment?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A practical reference value is about <strong>0.0015 in\\\/in<\\\/strong>, or approximately <strong>0.15 mm over 100 mm<\\\/strong>. 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Tempering"}]},{"@type":"WebSite","@id":"https:\/\/aobosteel.com\/#website","url":"https:\/\/aobosteel.com\/","name":"AoboSteel","description":"","publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/aobosteel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"AoboSteel","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","width":1052,"height":592,"caption":"AoboSteel"},"image":{"@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/"]},{"@type":"Person","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7","name":"Evan","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","caption":"Evan"},"sameAs":["http:\/\/www.aobosteel.com","https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.instagram.com\/aobosteel\/","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/","https:\/\/x.com\/AobosteelEvan","https:\/\/www.youtube.com\/@aobosteel"],"url":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211419000","position":1,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211419000","name":"\u00bfCu\u00e1l es la temperatura de tratamiento t\u00e9rmico recomendada para el acero para herramientas O1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"O1 is commonly preheated to about <strong>1200\u00b0F \/ 650\u00b0C<\/strong>, austenitized at <strong>1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C<\/strong>, oil-quenched, and tempered to the required hardness.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211442527","position":2,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211442527","name":"\u00bfA qu\u00e9 temperatura se debe endurecer el acero para herramientas O1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The common hardening temperature range is <strong>1450\u00b0F\u20131500\u00b0F (788\u00b0C\u2013816 \u00b0C)<\/strong>.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211443595","position":3,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211443595","name":"\u00bfEl acero para herramientas O1 necesita temple en aceite?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. O1 is an oil-hardening steel and should be quenched in warm, agitated oil. Water quenching is too severe and increases the risk of cracking.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211444563","position":4,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211444563","name":"\u00bfCu\u00e1l es la temperatura de revenido \u00f3ptima para el acero para herramientas O1?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"For many cold-work tools, O1 is tempered between <strong>300\u00b0F and 500\u00b0F (149\u00b0C and 260 \u00b0C)<\/strong>. A common reference point is <strong>350\u00b0F (177\u00b0C)<\/strong>, which typically yields about <strong>62\u201363 HRC<\/strong>.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211445307","position":5,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211445307","name":"\u00bfQu\u00e9 dureza puede alcanzar el acero para herramientas O1 despu\u00e9s del tratamiento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"O1 can reach <strong>64\u201365 HRC<\/strong> as quenched. After tempering, the typical working hardness is about <strong>57\u201363 HRC<\/strong>.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211491415","position":6,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211491415","name":"\u00bfCu\u00e1nto cambia de tama\u00f1o el acero para herramientas O1 despu\u00e9s del tratamiento t\u00e9rmico?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"A practical reference value is about <strong>0.0015 in\/in<\/strong>, or approximately <strong>0.15 mm over 100 mm<\/strong>. Actual size change depends on section size, tool geometry, steel direction, hardening temperature, and quenching practice.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211492223","position":7,"url":"https:\/\/aobosteel.com\/o1-tool-steel-heat-treatment\/#faq-question-1778211492223","name":"\u00bfDebe templarse el acero para herramientas O1 inmediatamente despu\u00e9s del enfriamiento?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. O1 should be tempered immediately after oil quenching while the part is still warm. Delayed tempering can cause cracking.","inLanguage":"es"},"inLanguage":"es"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"O1 Tool Steel Heat Treatment Guide O1 tool steel is typically heat-treated by preheating to about 1200\u00b0F \/ 650\u00b0C, austenitizing at 1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C, quenching in warm, agitated oil, and tempering according to the required final hardness. After proper hardening and tempering, O1 commonly reaches about 57\u201363 HRC, while the as-quenched hardness is usually 64\u201365 HRC. Because…","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/O1-heat-treatment-ad-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/es\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"O1 Tool Steel Heat Treatment Guide O1 tool steel is typically heat-treated by preheating to about 1200\u00b0F \/ 650\u00b0C, austenitizing at 1450\u00b0F\u20131500\u00b0F \/ 788\u00b0C\u2013816\u00b0C, quenching in warm, agitated oil, and tempering according to the required final hardness. After proper hardening and tempering, O1 commonly reaches about 57\u201363 HRC, while the as-quenched hardness is usually 64\u201365 HRC. Because…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/11736","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=11736"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/pages\/11736\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media\/15100"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/es\/wp-json\/wp\/v2\/media?parent=11736"}],"curies":[{"name":"gracias","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}