{"id":15271,"date":"2026-05-12T14:09:40","date_gmt":"2026-05-12T06:09:40","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15271"},"modified":"2026-06-25T10:25:01","modified_gmt":"2026-06-25T02:25:01","slug":"a2-tool-steel-properties","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/a2-tool-steel-properties\/","title":{"rendered":"A2 Tool Steel Properties: Hardness, Machinability &amp; Uses"},"content":{"rendered":"<section class=\"aobo-a2-properties-page\">\n  <style>\n    .aobo-a2-properties-page {\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      background: transparent;\n      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    padding: 20px;\n      }\n\n      .aobo-supply-image {\n        width: min(190px, 100%);\n        margin: 0 auto;\n      }\n\n      .aobo-supply-actions .aobo-btn {\n        width: 100%;\n      }\n\n      .aobo-related-pages {\n        padding: 24px 20px;\n      }\n\n      .aobo-related-pages h2 {\n        font-size: 25px;\n      }\n\n      .aobo-related-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .aobo-article h2 {\n        font-size: 25px;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">Cold-Work Tool Steel Properties<\/span>\n      <h1>Propriedades do a\u00e7o para ferramentas A2<\/h1>\n      <p>A2 tool steel is an air-hardening cold work tool steel with good wear resistance, medium-to-good toughness, excellent dimensional stability, and common working hardness around 57\u201362 HRC after heat treatment.<\/p>\n      <p>A2 is widely used for punches, dies, forming tools, shear blades, thread-rolling dies, gages, precision tooling, and cold-work components that require a practical balance between wear resistance, toughness, machinability, and heat-treatment stability.<\/p>\n      <p>Suprimentos de a\u00e7o Aobo <a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">A2 air-hardening cold-work tool steel<\/a> for dies, punches, blades, gages, forming tools, and precision tooling applications.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <section class=\"aobo-supply-block\" aria-label=\"Consulta e detalhes do produto em a\u00e7o ferramenta A2\">\n        <div class=\"aobo-supply-image\">\n          <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/A2-MATERIAL.webp\" alt=\"Barra de a\u00e7o ferramenta A2\" loading=\"lazy\">\n        <\/div>\n        <div class=\"aobo-supply-content\">\n          <h2>Confirmed A2 Is the Right Grade?<\/h2>\n          <p>Aobo Steel supplies A2 in annealed condition, ready for machining and heat treatment. Send your sizes and quantity, or check full product specifications and stock condition.<\/p>\n          <div class=\"aobo-supply-actions\">\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\/pt\/a2-tool-steel\/\">Veja os detalhes do a\u00e7o ferramenta A2.<\/a>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <h2>A2 Tool Steel Properties Summary<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Propriedade<\/th><th>Typical A2 Tool Steel Behavior<\/th><th>Significado pr\u00e1tico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Tipo de a\u00e7o<\/td><td>Air-hardening cold work tool steel<\/td><td>Used for precision cold work tooling<\/td><\/tr>\n            <tr><td>Main equivalents<\/td><td>1.2363, SKD12, Cr5Mo1V, UNS T30102<\/td><td>Useful for international sourcing<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>About 57\u201362 HRC<\/td><td>Depends on tempering temperature and application<\/td><\/tr>\n            <tr><td>Dureza ap\u00f3s recozimento<\/td><td>About 201\u2013229 HB<\/td><td>Suitable for machining before hardening<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Bom<\/td><td>Better than <a href=\"https:\/\/aobosteel.com\/pt\/o1-tool-steel\/\">O1<\/a> and S-series steels, lower than <a href=\"https:\/\/aobosteel.com\/pt\/d2-tool-steel\/\">D2<\/a><\/td><\/tr>\n            <tr><td>Robustez<\/td><td>Medium to good<\/td><td>Better than D2, lower than <a href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\">S7<\/a><\/td><\/tr>\n            <tr><td>Estabilidade dimensional<\/td><td>Muito bom<\/td><td>Low movement during air hardening<\/td><\/tr>\n            <tr><td>Usinabilidade<\/td><td>About 60% of 1% carbon tool steel baseline<\/td><td>Mais f\u00e1cil de usinar do que o D2.<\/td><\/tr>\n            <tr><td>Heat treatment response<\/td><td>Air hardening, double tempering recommended<\/td><td>Helps reduce distortion and brittleness<\/td><\/tr>\n            <tr><td>Resist\u00eancia \u00e0 corros\u00e3o<\/td><td>Not stainless<\/td><td>Requires rust protection<\/td><\/tr>\n            <tr><td>Main applications<\/td><td>Punches, dies, forming tools, shear blades, gages<\/td><td>Used for many cold work tooling applications<\/td><\/tr>\n            <tr><td>Main limitation<\/td><td>Not a hot work or high-speed steel<\/td><td>Not suitable for hot forging dies or high-speed cutting tools<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A2 Tool Steel Equivalent Grades<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Padr\u00e3o\/Sistema<\/th><th>Grau equivalente<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI \/ ASTM<\/td><td>A2<\/td><\/tr>\n            <tr><td>ONU<\/td><td>T30102<\/td><\/tr>\n            <tr><td>DIN \/ W-Nr.<\/td><td>1.2363<\/td><\/tr>\n            <tr><td>DIN \/ EN name<\/td><td>X100CrMoV5<\/td><\/tr>\n            <tr><td>JIS<\/td><td>SKD12<\/td><\/tr>\n            <tr><td>GB<\/td><td>Cr5Mo1V<\/td><\/tr>\n            <tr><td>BS<\/td><td>BA2<\/td><\/tr>\n            <tr><td>AFNOR<\/td><td>Z100CDV5<\/td><\/tr>\n            <tr><td>SS<\/td><td>2260<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <div class=\"aobo-note-box\">\n        <p>Users should still confirm the chemical composition, delivery condition, hardness requirements, inspection standard, and heat-treatment route before ordering.<\/p>\n      <\/div>\n\n      <h2>A2 Tool Steel Chemical Composition<\/h2>\n      <p>A2 tool steel is a chromium-molybdenum-vanadium alloyed cold work tool steel. Its composition provides better hardenability and dimensional stability than simple oil-hardening grades, while maintaining better toughness and machinability than high-carbon, high-chromium grades such as D2.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Elemento<\/th><th>Faixa t\u00edpica<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Carbon, C<\/td><td>0,95\u20131,05%<\/td><\/tr>\n            <tr><td>Chromium, Cr<\/td><td>4,75\u20135,50%<\/td><\/tr>\n            <tr><td>Molybdenum, Mo<\/td><td>0,90\u20131,40%<\/td><\/tr>\n            <tr><td>Vanadium, V<\/td><td>0,15\u20130,50%<\/td><\/tr>\n            <tr><td>Manganese, Mn<\/td><td>At\u00e9 1.00%<\/td><\/tr>\n            <tr><td>Silicon, Si<\/td><td>Up to 0.50%<\/td><\/tr>\n            <tr><td>Nickel, Ni<\/td><td>Up to 0.30%<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 tool steel is not stainless steel. Its chromium content supports hardenability and wear resistance, but it is not high enough to provide stainless corrosion resistance. A2 should be protected from rust during storage, machining, shipping, and service.<\/p>\n\n      <h2>Dureza do a\u00e7o para ferramentas A2<\/h2>\n      <p>A2 tool steel is normally supplied in an annealed condition, then machined, hardened, and tempered to the required working hardness. The final hardness depends on the heat-treatment process, section size, tempering temperature, and tool application.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Condi\u00e7\u00e3o<\/th><th>Dureza t\u00edpica<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Condi\u00e7\u00e3o de recozimento<\/td><td>About 201\u2013229 HB<\/td><\/tr>\n            <tr><td>Maximum annealed hardness<\/td><td>Often around 235 HB, depending on specification<\/td><\/tr>\n            <tr><td>condi\u00e7\u00e3o ap\u00f3s t\u00eampera<\/td><td>About 63\u201365 HRC<\/td><\/tr>\n            <tr><td>Dureza de trabalho comum<\/td><td>About 57\u201362 HRC<\/td><\/tr>\n            <tr><td>Common range for many cold work tools<\/td><td>Aproximadamente 58\u201360 HRC<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>Higher hardness can improve wear resistance, but it also increases the risk of chipping. Lower hardness can improve toughness, but it may reduce edge life.<\/p>\n      <p>For many punches, forming tools, trimming dies, gages, and cold-work components, A2 is often used at 58\u201360 HRC. Cutting tools and thin-edge tools may require a different hardness range depending on the material being processed and the risk of edge chipping.<\/p>\n\n      <h2>Resist\u00eancia ao desgaste, tenacidade e estabilidade dimensional.<\/h2>\n      <p>A2 is usually chosen because it offers a balanced combination of wear resistance, toughness, and dimensional stability.<\/p>\n      <div class=\"aobo-choice-grid\">\n        <article class=\"aobo-choice-card\">\n          <h3>Boa resist\u00eancia ao desgaste<\/h3>\n          <p>A2 usually provides better wear resistance, deeper hardening, and better dimensional stability than O1, but it does not match D2 in severe abrasive wear.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Useful Toughness<\/h3>\n          <p>A2 has better toughness than D2 because it contains fewer large carbides, but it is not as tough as S7 under heavy impact or sudden breakage.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Low Distortion<\/h3>\n          <p>Because A2 hardens in air, it cools more slowly than oil-quenched or water-quenched steels, helping reduce quenching stress and distortion.<\/p>\n        <\/article>\n      <\/div>\n      <p>A2 is often the better choice when the tool must resist both wear and chipping. This is common in punches, trimming tools, forming dies, shear blades, and precision cold work tooling.<\/p>\n\n      <h2>A2 Tool Steel Mechanical Properties<\/h2>\n      <p>The mechanical properties of A2 tool steel depend strongly on delivery condition and heat treatment. In the annealed condition, A2 is supplied soft enough for machining. After hardening and tempering, its strength, hardness, wear resistance, and tool performance increase significantly.<\/p>\n      <p>A2 tool steel&#8217;s tensile strength and yield strength are not fixed values. They depend on hardness level, tempering temperature, section size, test method, and heat-treatment condition.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Condi\u00e7\u00e3o<\/th><th>Mechanical Property Reference<\/th><th>Nota pr\u00e1tica<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Annealed A2<\/td><td>Tensile strength about 100 ksi \/ 710 MPa<\/td><td>Reference for soft delivery condition<\/td><\/tr>\n            <tr><td>Annealed A2<\/td><td>Yield strength about 50 ksi \/ 350 MPa<\/td><td>Not representative of hardened tool performance<\/td><\/tr>\n            <tr><td>Hardened and tempered A2<\/td><td>Strength depends on final hardness and tempering condition<\/td><td>Confirm data under the required heat-treatment condition<\/td><\/tr>\n            <tr><td>Engineering calculation<\/td><td>Tensile, yield, impact, or compressive data should match the actual heat-treated state<\/td><td>Do not use generic values without condition<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>For tool design, hardness, toughness, wear resistance, compressive strength, and dimensional stability are usually more important than a single tensile or yield strength value.<\/p>\n\n      <h2>A2 Tool Steel Physical and Thermal Properties<\/h2>\n      <p>Physical and thermal properties are useful for weight calculation, heat-treatment planning, precision tooling, and engineering reference. Values can vary slightly by data source, condition, temperature, and product form.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Propriedade<\/th><th>Typical Reference Value<\/th><th>Significado pr\u00e1tico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Densidade<\/td><td>About 7.75\u20137.86 g\/cm\u00b3<\/td><td>Used for weight calculation<\/td><\/tr>\n            <tr><td>Specific gravity<\/td><td>About 7.87<\/td><td>General reference for material density<\/td><\/tr>\n            <tr><td>M\u00f3dulo de elasticidade<\/td><td>About 190\u2013207 GPa<\/td><td>Useful for engineering stiffness reference<\/td><\/tr>\n            <tr><td>Condutividade t\u00e9rmica<\/td><td>About 26 W\/m\u00b7K near 95\u00b0C<\/td><td>Affects heat transfer during service and heat treatment<\/td><\/tr>\n            <tr><td>Coefficient of thermal expansion<\/td><td>About 10.6 \u00b5m\/m\u00b7\u00b0C from 20\u2013260\u00b0C<\/td><td>Important for dimensional change under temperature<\/td><\/tr>\n            <tr><td>Calor espec\u00edfico<\/td><td>About 460 J\/kg\u00b7\u00b0C<\/td><td>Heat-treatment and thermal calculation reference<\/td><\/tr>\n            <tr><td>Comportamento magn\u00e9tico<\/td><td>Generally magnetic<\/td><td>A2 is an iron-based tool steel<\/td><\/tr>\n            <tr><td>Resist\u00eancia \u00e0 corros\u00e3o<\/td><td>Not stainless<\/td><td>Requires rust protection<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 is usually considered dimensionally stable during heat treatment, but that does not mean it has no size change. Precision tools should still allow for grinding, lapping, or finishing after hardening when tight tolerances are required.<\/p>\n\n      <h2>A2 Tool Steel Annealed Properties<\/h2>\n      <p>A2 tool steel is usually supplied in an annealed condition for machining. In this state, it has lower hardness, better machinability, and lower internal stress than hardened material.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Annealed Property<\/th><th>Typical Behavior<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Dureza<\/td><td>About 201\u2013229 HB<\/td><\/tr>\n            <tr><td>Usinabilidade<\/td><td>Practical for milling, drilling, turning, and grinding before hardening<\/td><\/tr>\n            <tr><td>For\u00e7a<\/td><td>Lower than hardened and tempered A2<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Not the final working performance<\/td><\/tr>\n            <tr><td>Objetivo principal<\/td><td>Machining before final heat treatment<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>The final properties of A2 tool steel are obtained only after proper hardening and tempering, not in an annealed condition.<\/p>\n\n      <h2>Heat-Treated A2 Tool Steel Properties<\/h2>\n      <p>After hardening and tempering, A2 tool steel can reach high hardness, good wear resistance, useful toughness, and excellent dimensional stability.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Heat-Treated Property<\/th><th>Typical Behavior<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>dureza ap\u00f3s t\u00eampera<\/td><td>About 63\u201365 HRC<\/td><\/tr>\n            <tr><td>Dureza de trabalho comum<\/td><td>About 57\u201362 HRC<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Good for general cold work tooling<\/td><\/tr>\n            <tr><td>Robustez<\/td><td>Better than D2, lower than S7<\/td><\/tr>\n            <tr><td>Estabilidade dimensional<\/td><td>Very good compared with many oil-hardening grades<\/td><\/tr>\n            <tr><td>Final performance<\/td><td>Depends on hardening temperature, quenching control, tempering temperature, and section size<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 is normally double tempered after hardening. Double tempering helps reduce brittleness and stabilize the structure, especially when retained austenite may transform after the first temper.<\/p>\n\n      <h2>A2 Tool Steel Heat Treatment Overview<\/h2>\n      <p>A2 must be heat-treated correctly to reach its final working properties. The basic process includes annealing, stress relieving when needed, preheating, austenitizing, air quenching, and tempering.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Etapa<\/th><th>Typical Practice<\/th><th>Finalidade<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Recozimento<\/td><td>Heat slowly to about 845\u2013899\u00b0C, then furnace cool<\/td><td>Amaciar o a\u00e7o para usinagem<\/td><\/tr>\n            <tr><td>Al\u00edvio do estresse<\/td><td>Often around 649\u2013677\u00b0C after rough machining<\/td><td>Reduzir o estresse de usinagem<\/td><\/tr>\n            <tr><td>Pr\u00e9-aquecimento<\/td><td>Around 650\u00b0C<\/td><td>Reduza o choque t\u00e9rmico antes do endurecimento.<\/td><\/tr>\n            <tr><td>Austenitiza\u00e7\u00e3o<\/td><td>Around 950\u2013970\u00b0C<\/td><td>Prepare o a\u00e7o para t\u00eampera.<\/td><\/tr>\n            <tr><td>Resfriamento<\/td><td>Cool in still air or controlled air<\/td><td>Harden with lower distortion risk<\/td><\/tr>\n            <tr><td>T\u00eampera<\/td><td>Double tempering recommended<\/td><td>Reduce brittleness and stabilize the structure<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 should be protected from oxidation and decarburization during heat treatment. A vacuum furnace, controlled-atmosphere furnace, neutral salt bath, or stainless-foil wrapping may be used, depending on the heat-treatment facility.<\/p>\n      <p>This page only gives a property-level overview. A dedicated A2 heat-treatment guide should cover soaking time, furnace protection, tempering curves, size-change behavior, and hardness selection in greater detail.<\/p>\n\n      <h2>A2 Tool Steel Machinability<\/h2>\n      <p>A2 tool steel has relatively good machinability among air-hardening cold work tool steels. In the annealed condition, its machinability is commonly rated around 60% compared with a 1% carbon tool steel baseline of 100.<\/p>\n      <p>A2 is usually easier to machine than D2. A2 is often selected when the tool needs better machinability than D2 but more wear resistance and dimensional stability than O1.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Processo<\/th><th>Practical Point for A2 Tool Steel<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Machining<\/td><td>A2 machines reasonably well in annealed condition<\/td><\/tr>\n            <tr><td>Usinagem bruta<\/td><td>Usually done before hardening<\/td><\/tr>\n            <tr><td>Al\u00edvio do estresse<\/td><td>Useful after heavy rough machining<\/td><\/tr>\n            <tr><td>Moagem<\/td><td>Must be controlled after hardening to avoid overheating and grinding cracks<\/td><\/tr>\n            <tr><td>EDM<\/td><td>Can be used on hardened A2, but recast layer and heat-affected zone should be removed for demanding tools<\/td><\/tr>\n            <tr><td>Soldagem<\/td><td>Possible, but crack-sensitive; preheating and post-weld stress relief may be required<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>The safest manufacturing route is to machine A2 in annealed condition, control stress after heavy rough machining, and perform final hardening and tempering after most shaping work is complete.<\/p>\n      <p>If EDM, heavy grinding, or welding is required after hardening, the surface condition and residual stresses should be carefully controlled, as they can affect tool life.<\/p>\n\n      <h2>Common Applications of A2 Tool Steel<\/h2>\n      <p>A2 is used in cold-work tooling where the tool must resist wear, maintain its shape, and avoid brittle failure. It is especially useful when O1 lacks stability or wear resistance, while D2 may be too brittle or difficult to machine.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Aplicativo<\/th><th>Why A2 Is Used<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Matrizes de corte<\/td><td>Good wear resistance with lower chipping risk than D2<\/td><\/tr>\n            <tr><td>Piercing and trimming dies<\/td><td>Useful toughness and edge stability<\/td><\/tr>\n            <tr><td>Forming and bending tools<\/td><td>Good dimensional stability after heat treatment<\/td><\/tr>\n            <tr><td>Desenho morre<\/td><td>Resist\u00eancia ao desgaste e tenacidade equilibradas<\/td><\/tr>\n            <tr><td>Matrizes de cunhagem e estampagem<\/td><td>Holds detail with controlled distortion<\/td><\/tr>\n            <tr><td>Pun\u00e7\u00f5es<\/td><td>Suitable when both wear and chipping are concerns<\/td><\/tr>\n            <tr><td>L\u00e2minas de corte e facas de corte longitudinal<\/td><td>Suitable for light to medium cutting duty<\/td><\/tr>\n            <tr><td>Matrizes de lamina\u00e7\u00e3o de roscas<\/td><td>Good compressive strength and wear resistance<\/td><\/tr>\n            <tr><td>Gages and measuring tools<\/td><td>Low movement supports precision<\/td><\/tr>\n            <tr><td>Plastic mold components<\/td><td>Can be machined in annealed condition and hardened later<\/td><\/tr>\n            <tr><td>Machine components<\/td><td>Used where wear resistance and durability are required<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A2 vs D2, O1, S7, and DC53 Tool Steel<\/h2>\n      <p>A2 is often compared with D2, O1, S7, and <a href=\"https:\/\/aobosteel.com\/pt\/dc53-tool-steel\/\">DC53<\/a> because these grades are also used in cold work tooling.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Compara\u00e7\u00e3o<\/th><th>Choose A2 When<\/th><th>Choose the Other Grade When<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td><a href=\"https:\/\/aobosteel.com\/pt\/d2-vs-a2-tool-steel\/\">A2 vs D2<\/a><\/td><td>You need better toughness and easier machining<\/td><td>Choose D2 when abrasive wear is the main problem<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/aobosteel.com\/pt\/a2-vs-o1-tool-steel\/\">A2 vs O1<\/a><\/td><td>You need better hardenability and dimensional stability<\/td><td>Choose O1 for simpler, lower-cost tools<\/td><\/tr>\n            <tr><td><a href=\"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/\">A2 vs S7<\/a><\/td><td>You need better wear resistance than shock steel<\/td><td>Choose S7 when heavy impact is the main problem<\/td><\/tr>\n            <tr><td>A2 vs DC53<\/td><td>You need a standard, widely available air-hardening steel<\/td><td>Choose DC53 when improved D2-type performance is required<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 is tougher and easier to machine than D2, more dimensionally stable and wear-resistant than O1, and more wear-resistant but less shock-resistant than S7.<\/p>\n      <p>Compared with DC53, A2 remains a standard, widely available air-hardening cold-work steel, while DC53 may be selected when improved D2-type performance is required.<\/p>\n    <\/main>\n\n    <section class=\"aobo-related-pages\" aria-label=\"P\u00e1ginas relacionadas ao a\u00e7o ferramenta A2\">\n      <h2>P\u00e1ginas relacionadas<\/h2>\n      <div class=\"aobo-related-grid\">\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-hardness\/\">\n          <strong>Tabela de dureza do a\u00e7o ferramenta A2<\/strong>\n          <span>Valores HRC por condi\u00e7\u00e3o e temperatura de revenido, com a dureza de trabalho recomendada para cada aplica\u00e7\u00e3o de ferramenta de trabalho a frio.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-heat-treatment-guide\/\">\n          <strong>Guia de Tratamento T\u00e9rmico de A\u00e7o para Ferramentas A2<\/strong>\n          <span>Pr\u00e9-aquecimento, austenitiza\u00e7\u00e3o, t\u00eampera ao ar e revenido duplo em etapas para atingir uma dureza est\u00e1vel de 58 a 62 HRC.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-machining-fabrication-guide\/\">\n          <strong>Guia de Usinagem de A\u00e7o Ferramenta A2<\/strong>\n          <span>Velocidades de corte, classifica\u00e7\u00f5es de usinabilidade, pr\u00e1ticas de fura\u00e7\u00e3o, retifica\u00e7\u00e3o, eletroeros\u00e3o e soldagem para A2 recozido e temperado<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-applications\/\">\n          <strong>Aplica\u00e7\u00f5es do a\u00e7o ferramenta A2<\/strong>\n          <span>Onde o A2 se encaixa nas ferramentas de trabalho a frio e como selecion\u00e1-lo pelo modo de falha, em vez de apenas pelas propriedades do material.<\/span>\n        <\/a>\n      <\/div>\n    <\/section>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Need A2 Tool Steel for Cold-Work Tooling?<\/h2>\n        <p>Aobo Steel supplies A2 tool steel round bar and flat bar for dies, punches, forming tools, shear blades, gages, and precision tooling. Share your grade, size, quantity, hardness target, and application for a practical supply suggestion.<\/p>\n      <\/div>\n      <a class=\"aobo-btn popmake-16052\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Cold-Work Tool Steel Properties A2 Tool Steel Properties A2 tool steel is an air-hardening cold work tool steel with good wear resistance, medium-to-good toughness, excellent dimensional stability, and common working hardness around 57\u201362 HRC after heat treatment. A2 is widely used for punches, dies, forming tools, shear blades, thread-rolling dies, gages, precision tooling, and cold-work [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15273,"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":"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-15271","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>A2 Tool Steel Properties: Hardness, Machinability &amp; 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