{"id":13416,"date":"2026-03-10T13:33:12","date_gmt":"2026-03-10T05:33:12","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=13416"},"modified":"2026-06-25T11:24:27","modified_gmt":"2026-06-25T03:24:27","slug":"d2-tool-steel-machining-guide","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/es\/d2-tool-steel-machining-guide\/","title":{"rendered":"Mecanizado de acero para herramientas D2: velocidades, avances y rectificado."},"content":{"rendered":"<section class=\"aobo-d2-machining-guide\">\n  <style>\n    .aobo-d2-machining-guide {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\n      --aobo-blue-line: #c9dcff;\n      --aobo-border: #d7e5fb;\n      --aobo-text: #203044;\n      --aobo-muted: #617087;\n      --aobo-orange: #f59b23;\n      --aobo-white: #ffffff;\n      --aobo-shadow: 0 18px 45px rgba(12, 86, 208, 0.10);\n      font-family: inherit;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      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 }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">Gu\u00eda de mecanizado D2<\/span>\n      <h1>Gu\u00eda de mecanizado de acero para herramientas D2: velocidades, avances y rectificado.<\/h1>\n      <p>\n        D2 is a high-carbon, high-chromium cold-work tool steel used for blanking dies, forming tools,\n        shear blades, and other wear-resistant tooling. The same chromium carbides that give D2 its\n        excellent wear resistance and dimensional stability also make it one of the harder cold-work\n        steels to machine.\n      <\/p>\n      <p>\n        Equivalent grades include DIN 1.2379 and JIS SKD11. The practical machining guidance below\n        applies to D2, 1.2379, SKD11, and closely related D2-type cold work tool steels.\n      <\/p>\n    <\/header>\n\n    <aside class=\"aobo-supply-cta\" aria-label=\"Llamada a la acci\u00f3n para el suministro de acero para herramientas D2\">\n      <figure class=\"aobo-cta-image\">\n        <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/D2-tool-steel.avif\" alt=\"Producto de acero para herramientas D2\" loading=\"lazy\">\n      <\/figure>\n      <div>\n        <h2>Suministro de barras y placas redondas de acero para herramientas D2<\/h2>\n        <p>\n          Aobo Steel supplies D2 (1.2379 \/ SKD11) in forged round bar and plate, annealed and ready\n          for machining, with mill certificates and ultrasonic inspection available. Minimum order 5 tons.\n        <\/p>\n        <div class=\"aobo-buttons\">\n          <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/es\/d2-tool-steel\/\">Ver detalles de suministro de D2<\/a>\n        <\/div>\n      <\/div>\n    <\/aside>\n\n    <article class=\"aobo-article\">\n      <p>\n        D2 should normally be rough-machined in the annealed condition before heat treatment. In this\n        condition it can be turned, milled, drilled, and ground with suitable carbide, cermet, or\n        high-quality tool materials, but cutting speeds must stay conservative because its chromium-rich\n        carbides cause rapid tool wear.\n      <\/p>\n      <p>\n        After hardening to about 58-60 HRC, conventional turning, milling, and drilling become much\n        more difficult. The work is usually finished by grinding, EDM, PCBN hard turning, or controlled\n        hard milling. The correct parameters depend on steel condition, tool material, machine rigidity,\n        coolant control, and required surface finish.\n      <\/p>\n\n      <h2>Resumen r\u00e1pido de par\u00e1metros para el acero para herramientas D2<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr>\n              <th>Operaci\u00f3n<\/th>\n              <th>Estado del material<\/th>\n              <th>Herramienta o proceso recomendado<\/th>\n              <th>Nota pr\u00e1ctica<\/th>\n            <\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Torneado tosco<\/td><td>Recocido, aproximadamente 200-250 HB<\/td><td>Carburo recubierto<\/td><td>Utilice una velocidad moderada porque el D2 es abrasivo.<\/td><\/tr>\n            <tr><td>Termina de girar<\/td><td>Recocido<\/td><td>Carburo recubierto o cermet<\/td><td>Cermet puede funcionar m\u00e1s r\u00e1pido, pero solo con una configuraci\u00f3n estable.<\/td><\/tr>\n            <tr><td>Giro brusco<\/td><td>Templado, aproximadamente 58-60 HRC<\/td><td>PCBN o cer\u00e1mica<\/td><td>Principalmente para acabado, no para desbaste pesado.<\/td><\/tr>\n            <tr><td>Molienda<\/td><td>Recocido preferido<\/td><td>Carburo recubierto o acero r\u00e1pido de alta calidad<\/td><td>Mantenga la herramienta corta y evite vibraciones.<\/td><\/tr>\n            <tr><td>fresado duro<\/td><td>Templado, aproximadamente 58-60 HRC<\/td><td>Carburo recubierto o PCBN<\/td><td>Requiere m\u00e1quinas r\u00edgidas y un acoplamiento estable.<\/td><\/tr>\n            <tr><td>Perforaci\u00f3n<\/td><td>Recocido preferido<\/td><td>Brocas de cobalto HSS, con punta de carburo o de carburo s\u00f3lido.<\/td><td>Taladre antes de endurecer siempre que sea posible.<\/td><\/tr>\n            <tr><td>Molienda<\/td><td>Recocido o endurecido<\/td><td>Ruedas convencionales, SG o CBN<\/td><td>Controla el calor para evitar quemaduras y grietas.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>\u00bfPor qu\u00e9 es dif\u00edcil mecanizar el acero para herramientas D2?<\/h2>\n      <p>\n        D2 is widely recognized as difficult to machine compared with conventional steels. Its high\n        carbon and chromium content forms hard chromium-rich carbides distributed through the steel\n        matrix. During cutting, these carbides behave like abrasive inclusions, accelerating tool wear\n        and increasing cutting forces.\n      <\/p>\n      <p>\n        A practical machinability rating for D2 is around 45 percent, compared with 100 percent for a\n        1 percent carbon water-hardening tool steel such as W1. In practice this means lower cutting\n        speeds, stronger cutting tools, rigid workholding, and careful heat control.\n      <\/p>\n      <p>\n        The steel condition has the biggest effect on parameter selection. Annealed D2 is much easier\n        to machine because its spheroidized carbides sit in a softer matrix. Hardened D2, normally\n        about 58-60 HRC in cold-work tooling, requires PCBN, ceramic tools, grinding, or EDM for\n        final finishing. For this reason, most stock removal should be completed before heat treatment,\n        and post-hardening machining should be limited to final dimensional correction and surface\n        finishing. The full hardening cycle is covered in our\n        <a href=\"https:\/\/aobosteel.com\/es\/d2-tool-steel-heat-treatment-guide\/\">Gu\u00eda de tratamiento t\u00e9rmico del acero para herramientas D2<\/a>.\n      <\/p>\n\n      <h2>Par\u00e1metros de torneado para acero para herramientas D2 recocido<\/h2>\n      <p>\n        D2 is normally turned in the annealed condition before hardening. For parameter selection,\n        annealed D2 is commonly treated as a 200-250 HB tool steel. The following values are starting\n        references, not fixed production standards.\n      <\/p>\n\n      <h3>Par\u00e1metros de torneado con herramientas de carburo recubiertas<\/h3>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Operaci\u00f3n<\/th><th>Profundidad de corte<\/th><th>Velocidad de alimentaci\u00f3n<\/th><th>Velocidad de corte<\/th><th>Grado de herramienta<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Austeridad<\/td><td>0,300 pulgadas.<\/td><td>0,015 ipr<\/td><td>200 pies cuadrados<\/td><td>C6 \/ M30, P30<\/td><\/tr>\n            <tr><td>Semidesbaste<\/td><td>0,150 pulgadas.<\/td><td>0,010 ipr<\/td><td>275 pies cuadrados<\/td><td>C6 \/ M20, P20<\/td><\/tr>\n            <tr><td>Refinamiento<\/td><td>0,040 pulgadas.<\/td><td>0,005 ipr<\/td><td>575 pies cuadrados<\/td><td>C7 \/ M10, P10<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\n        Coated carbide tools are a practical choice for annealed D2 because they resist abrasive wear\n        better than standard high-speed steel tools. If tool wear, chatter, or poor surface finish\n        occurs, reduce cutting speed first, then check setup rigidity.\n      <\/p>\n\n      <h3>Par\u00e1metros de torneado con herramientas de cermet<\/h3>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Operaci\u00f3n<\/th><th>Profundidad de corte<\/th><th>Velocidad de alimentaci\u00f3n<\/th><th>Velocidad de corte<\/th><th>Material de la herramienta<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Austeridad<\/td><td>0,300 pulgadas.<\/td><td>0,015 ipr<\/td><td>550 pies cuadrados<\/td><td>Cermet de HPC<\/td><\/tr>\n            <tr><td>Semidesbaste<\/td><td>0,150 pulgadas.<\/td><td>0,010 ipr<\/td><td>750 pies cuadrados<\/td><td>Cermet de HPC<\/td><\/tr>\n            <tr><td>Refinamiento<\/td><td>0,040 pulgadas.<\/td><td>0,005 ipr<\/td><td>1300 pies cuadrados<\/td><td>Cermet de HPC<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\n        Cermet tools can use higher cutting speeds than coated carbide tools, especially in semi-finish\n        and finish turning. These higher speeds are only suitable when the machine, holder, and workpiece\n        clamping are stable.\n      <\/p>\n\n      <h2>Par\u00e1metros de torneado duro para acero para herramientas D2 endurecido<\/h2>\n      <p>\n        Hard turning may be used when D2 is hardened to 58-60 HRC, but it should be treated as a\n        finishing method. It is not a practical method for heavy stock removal.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Condici\u00f3n<\/th><th>Material de la herramienta<\/th><th>Velocidad de corte<\/th><th>Velocidad de alimentaci\u00f3n<\/th><th>Profundidad de corte<\/th><th>Uso pr\u00e1ctico<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Acero D2 endurecido, aproximadamente 58-60 HRC<\/td><td>PCBN<\/td><td>70-120 m\/min<\/td><td>0,08-0,20 mm\/rev<\/td><td>Cortes de acabado ligeros<\/td><td>Rango de partida conservador<\/td><\/tr>\n            <tr><td>Acero D2 endurecido, aproximadamente 58 HRC<\/td><td>PCBN<\/td><td>80-120 m\/min<\/td><td>0,05-0,15 mm\/rev<\/td><td>Aproximadamente 0,2 mm<\/td><td>Optimizaci\u00f3n del acabado superficial<\/td><\/tr>\n            <tr><td>Acero endurecido base, 45-55 HRC<\/td><td>PCBN o cer\u00e1mica<\/td><td>150-200 m\/min<\/td><td>0,15-0,20 mm\/rev<\/td><td>0,20-0,30 mm<\/td><td>Rango de referencia general<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\n        For hardened D2 at about 58 HRC, surface roughness values of about Ra 0.12-0.28 \u03bcm\n        can be achieved when speed, feed, depth of cut, tool geometry, and machine rigidity are properly\n        controlled.\n      <\/p>\n\n      <h2>Gu\u00eda de fresado para acero para herramientas D2<\/h2>\n      <p>\n        D2 should be milled in the annealed condition whenever possible. Milling hardened D2 is possible,\n        but it requires hard-milling tools, short tool projection, and a rigid machine. The main goal is\n        to remove most stock before heat treatment, while leaving enough allowance for final finishing\n        after hardening.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Factor de fresado<\/th><th>Recomendaci\u00f3n pr\u00e1ctica<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Estado del material<\/td><td>Moler en estado recocido siempre que sea posible.<\/td><\/tr>\n            <tr><td>Material de la herramienta<\/td><td>Utilice carburo recubierto para una mejor resistencia al desgaste; utilice HSS de alta calidad solo para operaciones m\u00e1s lentas.<\/td><\/tr>\n            <tr><td>Velocidad de corte<\/td><td>Utilice una velocidad conservadora, ya que los carburos D2 aceleran el desgaste de la herramienta.<\/td><\/tr>\n            <tr><td>Configuraci\u00f3n de la herramienta<\/td><td>Mantenga la herramienta corta y utilice soportes r\u00edgidos.<\/td><\/tr>\n            <tr><td>Sujeci\u00f3n de piezas<\/td><td>Sujete firmemente la pieza de trabajo y apoye la zona de corte.<\/td><\/tr>\n            <tr><td>Estrategia de recorte<\/td><td>Evite cortes interrumpidos inestables y un acoplamiento radial excesivo.<\/td><\/tr>\n            <tr><td>Control de chips<\/td><td>Mantenga una evacuaci\u00f3n de virutas constante con refrigerante, chorro de aire o siguiendo las instrucciones del proveedor de la herramienta.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\n        Hard milling D2 at 58-60 HRC is mainly a finishing operation. For ball-end milling, tilting\n        the tool by about 15-20\u00b0 can move the cutting action away from the tool center and help\n        improve cutting stability and tool life.\n      <\/p>\n\n      <h2>Gu\u00eda de perforaci\u00f3n para acero para herramientas D2<\/h2>\n      <p>\n        D2 should be drilled before hardening whenever possible. Once hardened, conventional drilling\n        becomes slow, expensive, and risky. EDM or specialized carbide-drilling methods may be more\n        practical.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Factor de perforaci\u00f3n<\/th><th>Recomendaci\u00f3n pr\u00e1ctica<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Estado del material<\/td><td>Taladre en estado recocido siempre que sea posible.<\/td><\/tr>\n            <tr><td>Material de la herramienta<\/td><td>Utilice brocas de cobalto HSS, con punta de carburo o de carburo s\u00f3lido, seg\u00fan el tama\u00f1o del orificio y el volumen de producci\u00f3n.<\/td><\/tr>\n            <tr><td>Recubrimientos<\/td><td>El TiN, el TiCN o el TiAlN pueden mejorar la resistencia al desgaste y reducir la fricci\u00f3n.<\/td><\/tr>\n            <tr><td>Punto de perforaci\u00f3n<\/td><td>Utilice geometr\u00eda de punto dividido para reducir el empuje y evitar el desplazamiento.<\/td><\/tr>\n            <tr><td>\u00c1ngulo de punta<\/td><td>118\u00b0 es com\u00fan para D2 recocido; 140-150\u00b0 pueden usarse para condiciones m\u00e1s duras.<\/td><\/tr>\n            <tr><td>refrigerante<\/td><td>Utilice suficiente fluido de corte para controlar el calor y eliminar las virutas.<\/td><\/tr>\n            <tr><td>agujeros profundos<\/td><td>Utilice taladros de perforaci\u00f3n intermitente o taladros con refrigeraci\u00f3n interna.<\/td><\/tr>\n            <tr><td>D2 endurecido<\/td><td>Evite la perforaci\u00f3n est\u00e1ndar; considere la electroerosi\u00f3n o la perforaci\u00f3n con carburo especial.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Par\u00e1metros de rectificado para acero para herramientas D2<\/h2>\n      <p>\n        Grinding is commonly used after heat treatment to correct distortion, remove scale, and achieve\n        the final tolerance. D2 is difficult to grind because its chromium carbides resist abrasive\n        cutting. If grinding heat is not controlled, the surface may suffer from softening, rehardened\n        layers, microcracks, or grinding cracks.\n      <\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Estado \/ Dureza<\/th><th>Velocidad de la rueda<\/th><th>Velocidad de la mesa<\/th><th>Retroalimentaci\u00f3n descendente<\/th><th>Alimentaci\u00f3n cruzada<\/th><th>Identificaci\u00f3n de ruedas<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Recocido, m\u00e1ximo 50 HRC<\/td><td>5500-6500 pies\/min<\/td><td>50-100 pies por minuto<\/td><td>Desbaste 0,003 pulg\/pasada; acabado 0,0005 pulg\/pasada m\u00e1ximo<\/td><td>0,050-0,500 pulg\/paso<\/td><td>A46JV<\/td><\/tr>\n            <tr><td>Templado, 50-58 HRC<\/td><td>3000-5000 pies por minuto<\/td><td>50-100 pies por minuto<\/td><td>Grosor en bruto: 0,002 pulg\/pasada; acabado: 0,0005 pulg\/pasada m\u00e1ximo<\/td><td>0,025-0,250 pulg\/paso<\/td><td>A46IV<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\n        For conventional grinding, use a wheel that cuts freely and does not glaze easily. Advanced\n        abrasives such as SG or vitrified CBN wheels may improve wheel life and thermal control in\n        suitable applications, but they still require correct coolant delivery, stable dressing, and\n        controlled stock removal.\n      <\/p>\n\n      <h2>Reparaci\u00f3n por soldadura de acero para herramientas D2<\/h2>\n      <p>\n        D2 is designed for wear resistance rather than weldability, but weld repair is sometimes used to\n        restore damaged or worn tooling. Because D2 is high in carbon and chromium, it is prone to\n        cracking during welding if the procedure is not controlled. Successful weld repair usually depends\n        on controlled preheating, a suitable filler material, slow cooling after welding, and a post-weld\n        temper.\n      <\/p>\n\n      <h2>Secuencia de mecanizado recomendada<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>Escenario<\/th><th>Operaci\u00f3n recomendada<\/th><th>Prop\u00f3sito<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>Preparaci\u00f3n de la materia prima<\/td><td>Eliminar la incrustaci\u00f3n, la capa descarburizada y los defectos de la superficie rugosa.<\/td><td>Mejorar la consistencia del mecanizado<\/td><\/tr>\n            <tr><td>Mecanizado en bruto<\/td><td>M\u00e1quina en estado recocido<\/td><td>Eliminar la mayor parte del material con menor desgaste de la herramienta.<\/td><\/tr>\n            <tr><td>Alivio del estr\u00e9s<\/td><td>Aplicar despu\u00e9s de un mecanizado basto intenso cuando sea necesario.<\/td><td>Reducir la distorsi\u00f3n durante el endurecimiento<\/td><\/tr>\n            <tr><td>Mecanizado de semiacabado<\/td><td>Deje un margen adecuado para el movimiento durante el tratamiento t\u00e9rmico.<\/td><td>Preparar la geometr\u00eda antes del endurecimiento<\/td><\/tr>\n            <tr><td>Tratamiento t\u00e9rmico<\/td><td>Endurecer y templar hasta alcanzar la dureza de trabajo requerida.<\/td><td>Lograr la resistencia al desgaste final<\/td><\/tr>\n            <tr><td>Acabado final<\/td><td>Utilice rectificado, electroerosi\u00f3n, torneado duro de PCBN o fresado duro.<\/td><td>Lograr la tolerancia final y el acabado superficial.<\/td><\/tr>\n            <tr><td>Inspecci\u00f3n<\/td><td>Compruebe el tama\u00f1o, el estado de la superficie y los da\u00f1os causados por el rectificado.<\/td><td>Reduzca el riesgo de fallo prematuro de la herramienta.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\n        When heavy roughing has been done, stress relief around 650-677 \u00b0C (1200-1250 \u00b0F)\n        before hardening helps reduce distortion during the hardening cycle. This sequence\n        matters because hardened D2 is slow and costly to machine.\n      <\/p>\n\n      <div class=\"aobo-note\">\n        Stable D2 machining depends on the full machining system: machine rigidity, toolholder strength,\n        fixture support, workpiece condition, coolant delivery, and tool material. Keep tool overhang\n        short, clamp close to the cutting area, control chatter early, and reserve hardened machining for\n        final finishing wherever possible.\n      <\/div>\n\n      <section class=\"aobo-final-cta\">\n        <div>\n          <h2>\u00bfNecesita acero para herramientas D2 a granel para mecanizado?<\/h2>\n          <p>\n            Aobo Steel supplies D2 \/ 1.2379 \/ SKD11 round bar, flat bar, and plate for bulk industrial orders.\n            Send your required size, quantity, surface condition, and destination port.\n          <\/p>\n        <\/div>\n        <a class=\"aobo-btn aobo-btn-inquiry popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n      <\/section>\n    <\/article>\n  <\/div>\n<\/section>\n\n\n\n\n<ul class=\"wp-block-yoast-seo-related-links yoast-seo-related-links\">\n<li><a href=\"https:\/\/aobosteel.com\/es\/h13-steel-heat-treatment\/\">Gu\u00eda de tratamiento t\u00e9rmico H13 | Aobo Steel<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/es\/h13-steel-hardness\/\">Dureza del acero H13: Rango HRC, tabla de revenido y aplicaciones.<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/es\/420-stainless-steel-heat-treatment\/\">Gu\u00eda de tratamiento t\u00e9rmico del acero 420 | Endurecimiento, temple y revenido<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/es\/blog\/how-to-sharpen-d2-steel\/\">C\u00f3mo afilar acero D2: abrasivos, control de calor y pulido<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>D2 Machining Guide D2 Tool Steel Machining Guide: Speeds, Feeds, and Grinding D2 is a high-carbon, high-chromium cold-work tool steel used for blanking dies, forming tools, shear blades, and other wear-resistant tooling. The same chromium carbides that give D2 its excellent wear resistance and dimensional stability also make it one of the harder cold-work steels [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15872,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"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-13416","page","type-page","status-publish","has-post-thumbnail","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>Machining D2 Tool Steel: Speeds, Feeds, Grinding | AoboSteel<\/title>\n<meta name=\"description\" content=\"How to machine D2 tool steel. 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