{"id":9812,"date":"2025-08-21T09:38:22","date_gmt":"2025-08-21T01:38:22","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=9812"},"modified":"2026-06-26T10:33:55","modified_gmt":"2026-06-26T02:33:55","slug":"gcr15-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/gcr15-steel\/","title":{"rendered":"GCr15 Steel Supplier"},"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<h1 id=\"h-gcr15-steel-52100\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">Acero GCr15 | 52100<\/mark><\/h1>\n\n\n\n<h3 id=\"h-aobo-steel-trusted-global-tool-steel-supplier\" class=\"wp-block-heading\"><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">AOBO STEEL \u2013 Proveedor global de confianza de acero para herramientas<\/mark><\/h3>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Enviar consulta ahora<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">El acero GCr15 es un acero con alto contenido de cromo y carbono ampliamente utilizado, y tambi\u00e9n se considera un acero de baja aleaci\u00f3n para moldes de trabajo en fr\u00edo. Es un grado representativo entre los aceros con alto contenido de cromo y carbono. Este acero puede templarse en agua o aceite, seg\u00fan la aplicaci\u00f3n y las propiedades deseadas.<\/p>\n\n\n\n<h2 id=\"h-1-chemical-composition-gb-t-18254-2002\" class=\"wp-block-heading\">1. Composici\u00f3n qu\u00edmica (GB\/T 18254\u20142002)<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>C<\/strong><\/td><td><strong>Si<\/strong><\/td><td><strong>Mn<\/strong><\/td><td><strong>Cr<\/strong><\/td><td><strong>PAG<\/strong><\/td><td><strong>S<\/strong><\/td><td><strong>V<\/strong><\/td><\/tr><tr><td>0.95 ~ 1.05<\/td><td>0.15 ~ 0.35<\/td><td>0.25 ~ 0.45<\/td><td>1.40 ~ 1.65<\/td><td>\u22640,025<\/td><td>\u22640,025<\/td><td>-<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-2-gcr15-steel-critical-point-temperature\" class=\"wp-block-heading\"><strong>2. Temperatura del punto cr\u00edtico del acero GCr15<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Punto cr\u00edtico<\/strong><\/td><td><strong>C.A<sub>1<\/sub><\/strong><\/td><td><strong>C.A<sub>cent\u00edmetro<\/sub><\/strong><\/td><td><strong>Ar1<\/strong><\/td><td><strong>Sra.<\/strong><\/td><\/tr><tr><td><strong>Temperatura (valor aproximado)\/\u00b0C<\/strong><\/td><td>745<\/td><td>900<\/td><td>700<\/td><td>246<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-3-gcr15-steel-forging-process-specification\" class=\"wp-block-heading\"><strong>3. Especificaci\u00f3n del proceso de forjado de acero GCr15<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Art\u00edculo<\/strong><\/td><td><strong>Temperatura de calentamiento\/\u00b0C<\/strong><\/td><td><strong>Temperatura de forja inicial\/\u00b0C<\/strong><\/td><td><strong>Temperatura final de forja\/\u00b0C<\/strong><\/td><td><strong>Refrigeraci\u00f3n<\/strong><\/td><\/tr><tr><td><strong>Lingote de acero<\/strong><\/td><td>1150 ~ 1200<\/td><td>1100 ~ 1150<\/td><td>800 ~ 880<\/td><td>Primero enfriar con aire a 700 \u00b0C, luego enfriar en foso.<\/td><\/tr><tr><td><strong>Palanquilla de acero<\/strong><\/td><td>1080 ~ 1120<\/td><td>1050 ~ 1100<\/td><td>800 ~ 850<\/td><td>Primero enfriar con aire a 700 \u00b0C, luego enfriar en foso.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-4-gcr15-steel-heat-treatment-process-specification\" class=\"wp-block-heading\"><strong>4. Especificaci\u00f3n del proceso de tratamiento t\u00e9rmico del acero GCr15<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4.1 Precalentamiento<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Plan preliminar de tratamiento t\u00e9rmico<\/strong><\/td><td><strong>Par\u00e1metros del proceso<\/strong><\/td><\/tr><tr><td><strong>Recocido isot\u00e9rmico tras la forja<\/strong><\/td><td>Calentar lentamente a 770 ~ 790 \u00b0C y mantener de 1 a 2 h; enfriar en el horno a 680 ~ 700 \u00b0C y mantener de 3 a 4 h; luego, enfriar en el horno por debajo de 550 \u00b0C y enfriar al aire. Dureza: 180 ~ 229 HBW.<\/td><\/tr><tr><td><strong>Revenido a alta temperatura<\/strong><\/td><td>Temperatura de calentamiento: 600 ~ 700 \u00b0C, mantener de 2 a 3 h; enfriamiento en horno o aire. Dureza: 187 ~ 229 HBW. Se utiliza principalmente para eliminar la tensi\u00f3n de mecanizado antes del temple.<\/td><\/tr><tr><td><strong>Normalizaci\u00f3n<\/strong><\/td><td>Temperatura de calentamiento: 930 ~ 950 \u00b0C, refrigeraci\u00f3n por aire. Dureza: 302 ~ 388 HBW. Se utiliza para refinar el grano del acero sobrecalentado y eliminar los carburos de la red.<\/td><\/tr><tr><td><strong>Temple y revenido<\/strong><\/td><td>Temperatura de temple: 840 ~ 860 \u00b0C, enfriamiento por aceite; temperatura de revenido: 660 ~ 680 \u00b0C, enfriamiento por horno o aire. Dureza: 197 ~ 217 HBW.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4.2 Enfriamiento<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Plan de proceso de enfriamiento<\/strong><\/td><td><strong>Par\u00e1metros del proceso<\/strong><\/td><\/tr><tr><td><strong>Proceso de enfriamiento convencional<\/strong><\/td><td>Temperatura de calentamiento: 830 ~ 850 \u00b0C, refrigeraci\u00f3n por aceite. Dureza: 62 ~ 65 HRC.<\/td><\/tr><tr><td><strong>Proceso de temple isot\u00e9rmico<\/strong><\/td><td>Temperatura de calentamiento: 830 ~ 850 \u00b0C, temple isot\u00e9rmico: 240 ~ 300 \u00b0C. Temperatura de revenido: 180 ~ 200 \u00b0C. Dureza: 58 ~ 62 HRC.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nota:<\/strong> Para ahorrar energ\u00eda y tiempo, el calor residual del forjado se puede utilizar para el proceso de temple isot\u00e9rmico en sustituci\u00f3n del recocido esferoidizante.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Procesamiento ultrafino de carburos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proceso de s\u00faper refinamiento de carburo<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Proceso de tratamiento t\u00e9rmico<\/strong><\/td><td><strong>Par\u00e1metros del proceso<\/strong><\/td><\/tr><tr><td><strong>Tratamiento de s\u00faper refinamiento<\/strong><\/td><td>La temperatura de la soluci\u00f3n es de 1050 \u00b0C, seguida de un tratamiento isot\u00e9rmico en ba\u00f1o de sales a 300 ~ 350 \u00b0C para obtener una estructura de bainita inferior. La temperatura de revenido ronda los 720 \u00b0C con un tiempo de mantenimiento de 2 h, pero la dureza es demasiado alta, lo que dificulta el mecanizado. Una alternativa es un proceso de esferoidizaci\u00f3n de corta duraci\u00f3n: calentar a 720 \u00b0C y mantener esta temperatura durante una hora, luego elevar la temperatura a 780 \u00b0C y mantenerla durante una hora, luego enfriar de nuevo a 720 \u00b0C y mantenerla durante otra hora. Finalmente, en el horno, enfriar a 500 \u00b0C antes de retirar. Este proceso permite obtener carburos esferoidizados ultrafinos.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4.3 Templado<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Especificaci\u00f3n del proceso de templado<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Temperatura de calentamiento\/\u00b0C<\/strong><\/td><td><strong>M\u00e9todo de refrigeraci\u00f3n<\/strong><\/td><td><strong>Dureza HRC<\/strong><\/td><\/tr><tr><td>150 ~ 190<\/td><td>Enfriamiento por aceite o enfriamiento por aire<\/td><td>58 ~ 62<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Temperatura de revenido y dureza<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Temperatura de revenido\/\u00b0C<\/strong><\/td><td><strong>Sin templar<\/strong><\/td><td><strong>200<\/strong><\/td><td><strong>300<\/strong><\/td><td><strong>400<\/strong><\/td><td><strong>500<\/strong><\/td><td><strong>550<\/strong><\/td><td><strong>600<\/strong><\/td><td><strong>650<\/strong><\/td><\/tr><tr><td><strong>Dureza HRC<\/strong><\/td><td>62<\/td><td>61<\/td><td>56<\/td><td>49<\/td><td>40<\/td><td>36<\/td><td>31<\/td><td>28<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nota:<\/strong> Aceite templado a 830\u00b0C, revenido durante dos horas.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"816\" height=\"816\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/08\/GCr15.avif\" alt=\"GCr15\" class=\"wp-image-9813\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/08\/GCr15.avif 816w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/08\/GCr15-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/08\/GCr15-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/08\/GCr15-768x768.avif 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/08\/GCr15-12x12.avif 12w\" sizes=\"auto, (max-width: 816px) 100vw, 816px\" \/><figcaption class=\"wp-element-caption\">Acero GCr15<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>Por favor, rellene el siguiente formulario de contacto para recibir la mejor cotizaci\u00f3n de acero GCr15.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16042-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"16042\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/es\/wp-json\/wp\/v2\/pages\/9812#wpcf7-f16042-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formulario de contacto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/es\/wp-json\/wp\/v2\/pages\/9812#wpcf7-f16042-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16042\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16042-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" autocomplete=\"name\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Su nombre *\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" autocomplete=\"email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Correo electr\u00f3nico *\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n<\/p>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"4\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Mensaje *\" name=\"your-message\"><\/textarea><\/span>\n<\/p>\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Enviar consulta\" \/>\n<\/p><p style=\"display: none !important;\" class=\"akismet-fields-container\" data-prefix=\"_wpcf7_ak_\"><label>\u0394<textarea name=\"_wpcf7_ak_hp_textarea\" cols=\"45\" rows=\"8\" maxlength=\"100\"><\/textarea><\/label><input type=\"hidden\" id=\"ak_js_1\" name=\"_wpcf7_ak_js\" value=\"129\"\/><script>\ndocument.getElementById( \"ak_js_1\" ).setAttribute( \"value\", ( new Date() ).getTime() );\n<\/script>\n<\/p><input type='hidden' class='wpcf7-pum' value='{\"closepopup\":false,\"closedelay\":0,\"openpopup\":true,\"openpopup_id\":16052}' \/><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"es\"\/><\/form>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 id=\"h-5-mechanical-properties\" class=\"wp-block-heading\">5. <strong>Propiedades mec\u00e1nicas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El GCr15 es un acero especial para rodamientos. Presenta buena templabilidad, dureza y resistencia al desgaste, alta resistencia a la fatiga por contacto y buena estabilidad dimensional durante el temple y el revenido. Las herramientas y moldes fabricados con \u00e9l presentan alta tenacidad y resistencia al desgaste tras el revenido a baja temperatura, lo que prolonga significativamente su vida \u00fatil.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Relaci\u00f3n entre la temperatura de enfriamiento, la microestructura y el rendimiento<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Temperatura de enfriamiento\/\u00b0C<\/strong><\/td><td><strong>Fracci\u00f3n m\u00e1sica de carbono en martensita (%)<\/strong><\/td><td><strong>Contenido de austenita retenida (fracci\u00f3n de volumen, %)<\/strong><\/td><td><strong>Dureza HRC<\/strong><\/td><td><strong>Resistencia a la flexi\u00f3n \u03c3<sub>cama y desayuno<\/sub>\/MPa<\/strong><\/td><td><strong>Tenacidad al impacto \u03b1<sub>K<\/sub> \/(J\/cm\u00b2)<\/strong><\/td><\/tr><tr><td>820<\/td><td>0,41, principalmente martensita en listones<\/td><td>-<\/td><td>62.8<\/td><td>3234<\/td><td>6.67<\/td><\/tr><tr><td>835<\/td><td>0,49, principalmente martensita en listones<\/td><td>10.40<\/td><td>63.7<\/td><td>2724<\/td><td>5.19<\/td><\/tr><tr><td>845<\/td><td>0,52, Mezcla de martensita en listones y acicular<\/td><td>14.70<\/td><td>64.1<\/td><td>3420<\/td><td>5.19<\/td><\/tr><tr><td>855<\/td><td>0,55, Mezcla de martensita en l\u00e1minas y acicular<\/td><td>-<\/td><td>64.9<\/td><td>3263<\/td><td>3.53<\/td><\/tr><tr><td>865<\/td><td>0,59, Mezcla de martensita en listones y acicular<\/td><td>16.90<\/td><td>65.1<\/td><td>2960<\/td><td>3.43<\/td><\/tr><tr><td>875<\/td><td>0,67, principalmente martensita acicular<\/td><td>21.20<\/td><td>65.4<\/td><td>2739<\/td><td>2.55<\/td><\/tr><tr><td>885<\/td><td>0,67, principalmente martensita acicular<\/td><td>-<\/td><td>65.3<\/td><td>2450<\/td><td>2.45<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nota:<\/strong> Templado a 160\u00b0C.<\/p>\n\n\n\n<h2 id=\"h-6-applications\" class=\"wp-block-heading\">6. Aplicaciones<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cojinetes: Su aplicaci\u00f3n principal y m\u00e1s extendida es en la fabricaci\u00f3n de diversos tipos de rodamientos, incluyendo pistas, bolas de acero, rodillos c\u00f3nicos, rodillos cil\u00edndricos, rodillos esf\u00e9ricos y agujas.<\/li>\n\n\n\n<li>Moldes y matrices (trabajo en fr\u00edo): Se utiliza frecuentemente para matrices de estampaci\u00f3n en fr\u00edo, matrices de estampaci\u00f3n en fr\u00edo, matrices de embutici\u00f3n, matrices de extrusi\u00f3n y matrices\/cuchillas de corte. Tambi\u00e9n es adecuado para moldes de pl\u00e1stico, especialmente aquellos que requieren alta resistencia al desgaste, robustez y capacidad para soportar cargas elevadas, y para otros moldes como matrices de laminaci\u00f3n y matrices de pulvimetalurgia.<\/li>\n\n\n\n<li>Herramientas de medici\u00f3n de precisi\u00f3n: GCr15 es un material preferido para instrumentos de medici\u00f3n de precisi\u00f3n, como bloques patr\u00f3n, calibres de tap\u00f3n y calibres de anillo roscado.<\/li>\n\n\n\n<li>Piezas de m\u00e1quinas: Se utiliza en diversos componentes de m\u00e1quinas, incluidos pilares gu\u00eda y bujes gu\u00eda, inyectores de motores di\u00e9sel y tornillos de avance de precisi\u00f3n.<\/li>\n\n\n\n<li>Otras aplicaciones: Tambi\u00e9n se utiliza para pinzas de resorte y como material para herramientas de corte en general.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h-7-equivalent-material\" class=\"wp-block-heading\">7. Material equivalente<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>AISI\/SAE:<\/strong> <a href=\"https:\/\/aobosteel.com\/es\/52100-bearing-steel\/\"><mark style=\"background-color:rgba(0, 0, 0, 0);color:#0693e3\" class=\"has-inline-color\">52100<\/mark><\/a><\/li>\n\n\n\n<li><strong>DIN (alem\u00e1n):<\/strong> 100Cr6 (o 1.3505)<\/li>\n\n\n\n<li><strong>JIS (japon\u00e9s):<\/strong> SUJ2<\/li>\n\n\n\n<li><strong>ISO:<\/strong> 100Cr6<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100 popmake-16052\"><a class=\"wp-block-button__link wp-element-button\">Formulario de solicitud de cotizaci\u00f3n abierta<\/a><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>GCr15 steel is a widely used high-carbon chromium bearing steel and is also considered a low-alloy cold work mold steel. It is a representative grade among high-carbon chromium-bearing steels. This steel can be either water or oil quenched, depending on the application and desired properties. 1. Chemical Composition(GB \/ T 18254\u20142002) C Si Mn Cr [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-9812","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - 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