{"id":14750,"date":"2026-04-20T09:51:15","date_gmt":"2026-04-20T01:51:15","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=14750"},"modified":"2026-05-25T12:09:24","modified_gmt":"2026-05-25T04:09:24","slug":"s7-vs-a2-tool-steel","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/","title":{"rendered":"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide"},"content":{"rendered":"<section class=\"aobo-s7-a2-page\">\n  <style>\n    .aobo-s7-a2-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: Arial, Helvetica, sans-serif;\n      color: var(--aobo-text);\n      line-height: 1.7;\n      background: transparent;\n      padding: 0;\n      box-sizing: border-box;\n    }\n\n    .aobo-s7-a2-page * {\n      box-sizing: border-box;\n    }\n\n    .aobo-wrap {\n      max-width: 1180px;\n      margin: 0 auto;\n      padding: 0;\n    }\n\n    .aobo-hero {\n      background: linear-gradient(135deg, #ffffff 0%, #f7fbff 56%, #eaf2ff 100%);\n      border: 1px solid var(--aobo-border);\n      border-radius: 28px;\n      padding: 42px 38px;\n      margin-bottom: 24px;\n      box-shadow: var(--aobo-shadow);\n      overflow: hidden;\n      position: relative;\n    }\n\n    .aobo-hero::after {\n      content: \"\";\n      position: absolute;\n      right: -90px;\n      top: -90px;\n      width: 260px;\n      height: 260px;\n      border-radius: 50%;\n      background: rgba(12, 86, 208, 0.08);\n    }\n\n    .aobo-eyebrow {\n      display: inline-block;\n      margin-bottom: 12px;\n      padding: 6px 12px;\n      border-radius: 999px;\n      background: #fff7ed;\n      border: 1px solid #fde3bd;\n      color: var(--aobo-orange);\n      font-size: 14px;\n      font-weight: 700;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-hero h1 {\n      margin: 0 0 16px;\n      color: #082d6f;\n      font-size: clamp(34px, 4vw, 54px);\n      line-height: 1.05;\n      letter-spacing: -0.03em;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-hero p {\n      max-width: 920px;\n      margin: 0 0 12px;\n      font-size: 17px;\n      color: #314158;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-hero p:last-child {\n      margin-bottom: 0;\n    }\n\n    .aobo-btn {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      text-align: center;\n      min-height: 42px;\n      padding: 10px 14px;\n      border-radius: 999px;\n      text-decoration: none;\n      font-weight: 700;\n      font-size: 14px;\n      line-height: 1.2;\n      transition: all 0.2s ease;\n      cursor: pointer;\n      white-space: nowrap;\n    }\n\n    .aobo-btn:hover {\n      transform: translateY(-1px);\n    }\n\n    .aobo-btn-detail {\n      color: var(--aobo-blue-dark) !important;\n      background: #ffffff;\n      border: 1px solid var(--aobo-blue-line);\n    }\n\n    .aobo-btn-detail:hover {\n      background: var(--aobo-blue-soft);\n      border-color: var(--aobo-blue-line);\n      color: var(--aobo-blue-dark) !important;\n    }\n\n    .aobo-btn-inquiry {\n      color: #ffffff !important;\n      background: var(--aobo-blue);\n      border: 1px solid var(--aobo-blue);\n    }\n\n    .aobo-btn-inquiry:hover {\n      background: var(--aobo-blue-dark);\n      border-color: var(--aobo-blue-dark);\n      color: #ffffff !important;\n    }\n\n    .aobo-product-strip {\n      margin: 24px 0;\n      padding: 30px 34px 34px;\n      border-radius: 26px;\n      background: var(--aobo-white);\n      border: 1px solid var(--aobo-border);\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-product-strip h2 {\n      margin: 0 0 10px;\n      color: #082d6f;\n      font-size: clamp(26px, 3vw, 36px);\n      line-height: 1.15;\n      letter-spacing: -0.02em;\n    }\n\n    .aobo-strip-intro {\n      margin: 0 0 22px;\n      max-width: 860px;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-product-grid {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 16px;\n    }\n\n    .aobo-product-card {\n      background: #ffffff;\n      border: 1px solid var(--aobo-border);\n      border-radius: 20px;\n      padding: 20px;\n      display: flex;\n      flex-direction: column;\n      justify-content: space-between;\n      transition: all 0.2s ease;\n    }\n\n    .aobo-product-card:hover {\n      transform: translateY(-3px);\n      box-shadow: 0 14px 30px rgba(12, 86, 208, 0.12);\n      border-color: rgba(12, 86, 208, 0.35);\n    }\n\n    .aobo-product-image {\n      width: 100%;\n      aspect-ratio: 16 \/ 9;\n      margin: 0 0 16px;\n      border-radius: 16px;\n      overflow: hidden;\n      border: 1px solid var(--aobo-border);\n      background: #f7fbff;\n    }\n\n    .aobo-product-image img {\n      display: block;\n      width: 100%;\n      height: 100%;\n      object-fit: cover;\n    }\n\n    .aobo-product-card h3 {\n      margin: 0 0 8px;\n      color: #082d6f;\n      font-size: 22px;\n      line-height: 1.3;\n    }\n\n    .aobo-card-note {\n      margin: 0 0 18px;\n      color: var(--aobo-muted);\n      font-size: 15.5px;\n    }\n\n    .aobo-buttons {\n      display: flex;\n      gap: 10px;\n      flex-wrap: nowrap;\n      margin-top: auto;\n    }\n\n    .aobo-buttons .aobo-btn {\n      flex: 1 1 0;\n    }\n\n    .aobo-article {\n      max-width: 1080px;\n      margin: 0 auto;\n    }\n\n    .aobo-article h2 {\n      margin: 44px 0 16px;\n      color: #082d6f;\n      font-size: 30px;\n      line-height: 1.25;\n    }\n\n    .aobo-article p {\n      margin: 0 0 18px;\n      font-size: 17px;\n      color: var(--aobo-text);\n    }\n\n    .aobo-article a {\n      color: var(--aobo-blue);\n      font-weight: 700;\n      text-decoration: none;\n      transition: color 0.2s ease, background 0.2s ease;\n    }\n\n    .aobo-article a:hover {\n      color: var(--aobo-orange);\n      background: var(--aobo-blue-soft);\n    }\n\n    .aobo-table-wrap {\n      overflow-x: auto;\n      margin: 22px 0 28px;\n      border-radius: 18px;\n      border: 1px solid var(--aobo-border);\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-table {\n      width: 100%;\n      border-collapse: collapse;\n      background: #ffffff;\n      min-width: 760px;\n    }\n\n    .aobo-table th {\n      background: var(--aobo-blue-soft);\n      color: #082d6f;\n      text-align: left;\n      padding: 14px 16px;\n      font-size: 15px;\n      vertical-align: top;\n    }\n\n    .aobo-table td {\n      padding: 14px 16px;\n      border-bottom: 1px solid #e8eef8;\n      vertical-align: top;\n      font-size: 15px;\n    }\n\n    .aobo-table tr:last-child td {\n      border-bottom: none;\n    }\n\n    .aobo-table td:first-child {\n      color: #082d6f;\n      font-weight: 700;\n    }\n\n    .aobo-note-box {\n      margin: 34px 0;\n      padding: 22px 24px;\n      border: 1px solid var(--aobo-border);\n      border-left: 5px solid var(--aobo-orange);\n      border-radius: 16px;\n      background: #fbfdff;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-note-box p {\n      margin: 0;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-choice-grid {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 16px;\n      margin: 24px 0 30px;\n    }\n\n    .aobo-choice-card {\n      border: 1px solid var(--aobo-border);\n      border-radius: 20px;\n      background: #ffffff;\n      padding: 22px;\n      box-shadow: 0 10px 26px rgba(12, 86, 208, 0.06);\n    }\n\n    .aobo-choice-card h3 {\n      margin: 0 0 10px;\n      color: #082d6f;\n      font-size: 22px;\n      line-height: 1.3;\n    }\n\n    .aobo-choice-card p {\n      margin-bottom: 0;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-final-cta {\n      margin-top: 24px;\n      padding: 34px;\n      border-radius: 28px;\n      background: linear-gradient(135deg, #073b91 0%, #0c56d0 100%);\n      color: #ffffff;\n      box-shadow: 0 18px 45px rgba(12, 86, 208, 0.20);\n      display: flex;\n      align-items: center;\n      justify-content: space-between;\n      gap: 20px;\n      flex-wrap: wrap;\n    }\n\n    .aobo-final-cta h2 {\n      margin: 0 0 12px;\n      color: #ffffff;\n      font-size: 26px;\n    }\n\n    .aobo-final-cta p {\n      margin: 0;\n      color: rgba(255, 255, 255, 0.92);\n      max-width: 760px;\n    }\n\n    .aobo-final-cta .aobo-btn {\n      flex: 0 0 auto;\n      background: #ffffff;\n      border-color: #ffffff;\n      color: var(--aobo-blue) !important;\n    }\n\n    @media (max-width: 760px) {\n      .aobo-hero {\n        padding: 30px 22px;\n      }\n\n      .aobo-product-strip {\n        padding: 20px;\n      }\n\n      .aobo-product-grid,\n      .aobo-choice-grid {\n        grid-template-columns: 1fr;\n      }\n\n      .aobo-buttons {\n        flex-direction: column;\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\">Shock Resistance vs Wear Resistance<\/span>\n      <h1>S7 vs A2 Tool Steel: Impact Resistance or Wear Resistance?<\/h1>\n      <p>S7 and A2 are both air-hardening tool steels, but they are used for different tooling problems.<\/p>\n      <p>S7 is best for impact, chipping, or cracking. A2 is preferable for abrasive wear, edge rounding, or loss of cutting accuracy.<\/p>\n    <\/header>\n\n    <section class=\"aobo-product-strip\" aria-label=\"S7 and A2 tool steel products from Aobo Steel\">\n      <h2>S7 and A2 Tool Steel Available from Aobo Steel<\/h2>\n      <p class=\"aobo-strip-intro\">Aobo Steel supplies S7 shock-resisting tool steel and A2 air-hardening cold-work tool steel for different failure modes in tooling service.<\/p>\n\n      <div class=\"aobo-product-grid\">\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/S7.webp\" alt=\"S7 tool steel supplied by Aobo Steel\" loading=\"lazy\">\n          <\/div>\n          <h3>S7 | 1,2355<\/h3>\n          <p class=\"aobo-card-note\">Shock-resisting tool steel for impact-loaded punches, chisels, rivet sets, driver bits, and tools prone to cracking or breakage.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel\/\">Ver detalhes<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/article>\n\n        <article class=\"aobo-product-card\">\n          <div class=\"aobo-product-image\">\n            <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/A2-MATERIAL.webp\" alt=\"A2 tool steel supplied by Aobo Steel\" loading=\"lazy\">\n          <\/div>\n          <h3>A2 | 1,2363 | SKD12<\/h3>\n          <p class=\"aobo-card-note\">Air-hardening cold-work tool steel for better wear resistance, dimensional stability, edge retention, dies, gauges, and precision tools.<\/p>\n          <div class=\"aobo-buttons\">\n            <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel\/\">Ver detalhes<\/a>\n            <a class=\"aobo-btn aobo-btn-inquiry hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n          <\/div>\n        <\/article>\n      <\/div>\n    <\/section>\n\n    <main class=\"aobo-article\">\n      <p>In practical terms, S7 is the safer choice for resistance to breakage. A2 is the stronger choice for wear resistance and size control.<\/p>\n\n      <h2>Quick Comparison of S7 and A2 Tool Steel<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Comparison Point<\/th><th>A\u00e7o ferramenta S7<\/th><th>A\u00e7o para ferramentas A2<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Tool steel type<\/td><td>Shock-resisting tool steel<\/td><td>Air-hardening cold-work tool steel<\/td><\/tr>\n            <tr><td>Main advantage<\/td><td>High toughness and shock resistance<\/td><td>Better wear resistance and dimensional stability<\/td><\/tr>\n            <tr><td>Dureza de trabalho t\u00edpica<\/td><td>About 56-58 HRC<\/td><td>About 58-60 HRC<\/td><\/tr>\n            <tr><td>Resist\u00eancia ao desgaste<\/td><td>Inferior<\/td><td>Mais alto<\/td><\/tr>\n            <tr><td>Robustez<\/td><td>Mais alto<\/td><td>Moderado<\/td><\/tr>\n            <tr><td>Better for<\/td><td>Chipping, cracking, breakage<\/td><td>Wear, edge loss, dimensional change<\/td><\/tr>\n            <tr><td>Main trade-off<\/td><td>Wears faster in abrasive service<\/td><td>Can chip under heavy impact<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Chemical Composition Difference<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Elemento<\/th><th>S7 Tool Steel \/ UNS T41907<\/th><th>A2 Tool Steel \/ UNS T30102<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Carbono<\/td><td>0.45-0.55%<\/td><td>0.95-1.05%<\/td><\/tr>\n            <tr><td>Cromo<\/td><td>3.00-3.50%<\/td><td>4.75-5.50%<\/td><\/tr>\n            <tr><td>Molibd\u00eanio<\/td><td>1.30-1.80%<\/td><td>0.90-1.40%<\/td><\/tr>\n            <tr><td>Mangan\u00eas<\/td><td>0.20-0.90%<\/td><td>Max. 1.00%<\/td><\/tr>\n            <tr><td>Sil\u00edcio<\/td><td>0.20-1.00%<\/td><td>Max. 0.50%<\/td><\/tr>\n            <tr><td>Van\u00e1dio<\/td><td>0.20-0.30%, when specified<\/td><td>0.15-0.50%<\/td><\/tr>\n            <tr><td>N\u00edquel<\/td><td>Usually not specified<\/td><td>Max. 0.30%<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>The composition explains the difference in service behavior.<\/p>\n      <p>A2 contains much more carbon and chromium. This creates stronger carbide support, so the steel holds an edge better in abrasive cold-work applications.<\/p>\n      <p>S7 uses a lower-carbon, lower-chromium design. It gives up part of A2&#8217;s wear resistance, but gains toughness. This is why S7 is used where fracture is a bigger risk than gradual wear.<\/p>\n      <p>The higher molybdenum content in S7 also helps hardenability and moderate heat resistance. It can handle limited heat exposure better than A2, but it should not be treated as a hot-work tool steel.<\/p>\n\n      <h2>Performance Difference in Use<\/h2>\n      <p>The main choice is not simply hardness. It is the balance between toughness, wear resistance, and dimensional stability.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Performance Factor<\/th><th>Better Grade<\/th><th>Significado pr\u00e1tico<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Shock resistance<\/td><td>S7<\/td><td>Better for repeated impact and sudden loading.<\/td><\/tr>\n            <tr><td>Chipping resistance<\/td><td>S7<\/td><td>Reduces edge fracture in heavy-duty tools.<\/td><\/tr>\n            <tr><td>resist\u00eancia ao desgaste abrasivo<\/td><td>A2<\/td><td>Holds the working edge longer.<\/td><\/tr>\n            <tr><td>Estabilidade dimensional<\/td><td>A2<\/td><td>Better for precision cold-work tooling.<\/td><\/tr>\n            <tr><td>Edge retention<\/td><td>A2<\/td><td>Better for cutting, forming, and wear-dominated tools.<\/td><\/tr>\n            <tr><td>Moderate heat exposure<\/td><td>S7<\/td><td>Performs better than A2 under limited heat.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>S7 is usually used at 56-58 HRC to maintain sufficient toughness for impact service. Pushing the hardness too high may reduce the main reason for choosing S7 in the first place. For more S7 hardness information, see <a href=\"https:\/\/aobosteel.com\/pt\/s7-tool-steel-hardness\/\">S7 Tool Steel Hardness: HRC Range, Annealed HB &amp; Working Hardness<\/a>.<\/p>\n      <p>A2 is commonly used at 58-60 HRC because it emphasizes wear resistance, edge stability, and size control. For more A2 hardness information, see <a href=\"https:\/\/aobosteel.com\/pt\/a2-tool-steel-hardness\/\">A2 Tool Steel Hardness: HRC Chart, Tempering Data &amp; Working Hardness<\/a>.<\/p>\n      <p>Both steels are air-hardening grades. A2 is generally more predictable for precision tools that need uniform hardness and dimensional control. S7 also hardens safely, but thick sections need more careful heat-treatment control to avoid hardness variation.<\/p>\n\n      <h2>S7 vs A2 Selection by Application<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Application or Tooling Problem<\/th><th>Better Choice<\/th><th>Main Reason<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>Hand chisels<\/td><td>S7<\/td><td>Repeated impact<\/td><\/tr>\n            <tr><td>Cinz\u00e9is pneum\u00e1ticos<\/td><td>S7<\/td><td>High shock loading<\/td><\/tr>\n            <tr><td>Rivet sets and driver bits<\/td><td>S7<\/td><td>Striking force<\/td><\/tr>\n            <tr><td>Heavy-duty punches<\/td><td>S7<\/td><td>Chipping and cracking resistance<\/td><\/tr>\n            <tr><td>Cold heading tools<\/td><td>S7<\/td><td>Impact and compressive stress<\/td><\/tr>\n            <tr><td>Heavy shear blades<\/td><td>S7<\/td><td>Shock loading during cutting<\/td><\/tr>\n            <tr><td>Moderate hot punching or hot shearing<\/td><td>S7<\/td><td>Better moderate heat resistance than A2<\/td><\/tr>\n            <tr><td>Matrizes de corte<\/td><td>A2<\/td><td>Better wear resistance<\/td><\/tr>\n            <tr><td>Matrizes de conforma\u00e7\u00e3o<\/td><td>A2<\/td><td>Wear resistance and dimensional stability<\/td><\/tr>\n            <tr><td>Matrizes de corte<\/td><td>A2<\/td><td>Edge retention<\/td><\/tr>\n            <tr><td>Matrizes de lamina\u00e7\u00e3o de roscas<\/td><td>A2<\/td><td>Surface wear resistance<\/td><\/tr>\n            <tr><td>Coining tools<\/td><td>A2<\/td><td>Working surface stability<\/td><\/tr>\n            <tr><td>Gauges and bushings<\/td><td>A2<\/td><td>Wear resistance and size control<\/td><\/tr>\n            <tr><td>Precision cold-work tools<\/td><td>A2<\/td><td>Better dimensional stability<\/td><\/tr>\n            <tr><td>Tool chips or cracks before wearing out<\/td><td>S7<\/td><td>More toughness is needed<\/td><\/tr>\n            <tr><td>Tool stays intact but wears too fast<\/td><td>A2<\/td><td>More wear resistance is needed<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>Equivalent Grades for Purchasing<\/h2>\n      <p>After the material choice is clear, the next issue is specification. A2 is usually easier to identify across international standards. S7 needs more attention because some equivalent references are inconsistently used across markets.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead><tr><th>Standard \/ System<\/th><th>A\u00e7o para ferramentas A2<\/th><th>A\u00e7o ferramenta S7<\/th><\/tr><\/thead>\n          <tbody>\n            <tr><td>AISI \/ SAE<\/td><td>A2<\/td><td>S7<\/td><\/tr>\n            <tr><td>ONU<\/td><td>T30102<\/td><td>T41907<\/td><\/tr>\n            <tr><td>DIN \/ W.Nr.<\/td><td>1.2363<\/td><td>Often cross-referenced as 1.2355 \/ 50CrMoV13-15<\/td><\/tr>\n            <tr><td>JIS<\/td><td>SKD12<\/td><td>No commonly used direct JIS equivalent<\/td><\/tr>\n            <tr><td>BS<\/td><td>BA2<\/td><td>No widely used direct BS equivalent<\/td><\/tr>\n            <tr><td>AFNOR<\/td><td>Z100CDV5<\/td><td>No widely used direct AFNOR equivalent<\/td><\/tr>\n            <tr><td>SS \/ Sweden<\/td><td>2260<\/td><td>No widely used direct SS equivalent<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>For A2, DIN 1.2363 and JIS SKD12 are commonly used references.<\/p>\n      <p>For S7, it is better to specify AISI S7\/UNS T41907 and confirm the chemical composition via the material certificate.<\/p>\n\n      <h2>Final Selection Advice<\/h2>\n      <div class=\"aobo-choice-grid\">\n        <article class=\"aobo-choice-card\">\n          <h3>Choose S7 for breakage risk<\/h3>\n          <p>S7 is usually better for impact-loaded tools, punches, chisels, rivet sets, and tools prone to cracking or breaking.<\/p>\n        <\/article>\n        <article class=\"aobo-choice-card\">\n          <h3>Choose A2 for wear and accuracy<\/h3>\n          <p>A2 is chosen for blanking dies, trimming dies, forming tools, gauges, bushings, and precision tools where wear resistance and dimensional control matter most.<\/p>\n        <\/article>\n      <\/div>\n      <div class=\"aobo-note-box\">\n        <p>For borderline cases, focus on which failure has the greater cost: breakage or wear. Decide based on which risk matters most to your application.<\/p>\n      <\/div>\n    <\/main>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>Need S7 or A2 tool steel for your tooling application?<\/h2>\n        <p>Aobo Steel supplies S7 shock-resisting tool steel and A2 air-hardening cold-work tool steel for impact, wear, and precision tooling requirements.<\/p>\n      <\/div>\n      <a class=\"aobo-btn hs-cta-trigger-button hs-cta-trigger-button-230288465624\" href=\"javascript:void(0);\">Enviar consulta<\/a>\n    <\/section>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Shock Resistance vs Wear Resistance S7 vs A2 Tool Steel: Impact Resistance or Wear Resistance? S7 and A2 are both air-hardening tool steels, but they are used for different tooling problems. S7 is best for impact, chipping, or cracking. A2 is preferable for abrasive wear, edge rounding, or loss of cutting accuracy. S7 and A2 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15277,"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-14750","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide<\/title>\n<meta name=\"description\" content=\"Compare S7 vs A2 tool steel in toughness, wear resistance, heat treatment behavior, and real applications. Learn how to choose the right steel based on failure mode and working conditions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide\" \/>\n<meta property=\"og:description\" content=\"Compare S7 vs A2 tool steel in toughness, wear resistance, heat treatment behavior, and real applications. Learn how to choose the right steel based on failure mode and working conditions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-25T04:09:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide\",\"datePublished\":\"2026-04-20T01:51:15+00:00\",\"dateModified\":\"2026-05-25T04:09:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/\"},\"wordCount\":953,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S7-VS-A2-AD.avif\",\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/\",\"name\":\"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S7-VS-A2-AD.avif\",\"datePublished\":\"2026-04-20T01:51:15+00:00\",\"dateModified\":\"2026-05-25T04:09:24+00:00\",\"description\":\"Compare S7 vs A2 tool steel in toughness, wear resistance, heat treatment behavior, and real applications. Learn how to choose the right steel based on failure mode and working conditions.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#primaryimage\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S7-VS-A2-AD.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/S7-VS-A2-AD.avif\",\"width\":1254,\"height\":1254},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/s7-vs-a2-tool-steel\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide\"}]},{\"@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\":\"pt-BR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\",\"name\":\"AoboSteel\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@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\":\"pt-BR\",\"@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\\\/pt\\\/blog\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide","description":"Compare S7 vs A2 tool steel in toughness, wear resistance, heat treatment behavior, and real applications. Learn how to choose the right steel based on failure mode and working conditions.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/","og_locale":"pt_BR","og_type":"article","og_title":"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide","og_description":"Compare S7 vs A2 tool steel in toughness, wear resistance, heat treatment behavior, and real applications. Learn how to choose the right steel based on failure mode and working conditions.","og_url":"https:\/\/aobosteel.com\/pt\/s7-vs-a2-tool-steel\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-05-25T04:09:24+00:00","og_image":[{"width":1254,"height":1254,"url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. tempo de leitura":"5 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide","datePublished":"2026-04-20T01:51:15+00:00","dateModified":"2026-05-25T04:09:24+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/"},"wordCount":953,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"image":{"@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif","inLanguage":"pt-BR"},{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/","url":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/","name":"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#primaryimage"},"image":{"@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif","datePublished":"2026-04-20T01:51:15+00:00","dateModified":"2026-05-25T04:09:24+00:00","description":"Compare S7 vs A2 tool steel in toughness, wear resistance, heat treatment behavior, and real applications. Learn how to choose the right steel based on failure mode and working conditions.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#breadcrumb"},"inLanguage":"pt-BR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/"]}]},{"@type":"ImageObject","inLanguage":"pt-BR","@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#primaryimage","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif","width":1254,"height":1254},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/s7-vs-a2-tool-steel\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"S7 vs A2 Tool Steel: Key Differences, Properties, and Selection Guide"}]},{"@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":"pt-BR"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"AoboSteel","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"pt-BR","@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":"pt-BR","@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\/pt\/blog\/author\/admin\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"Shock Resistance vs Wear Resistance S7 vs A2 Tool Steel: Impact Resistance or Wear Resistance? S7 and A2 are both air-hardening tool steels, but they are used for different tooling problems. S7 is best for impact, chipping, or cracking. A2 is preferable for abrasive wear, edge rounding, or loss of cutting accuracy. S7 and A2&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/S7-VS-A2-AD-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/pt\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Shock Resistance vs Wear Resistance S7 vs A2 Tool Steel: Impact Resistance or Wear Resistance? S7 and A2 are both air-hardening tool steels, but they are used for different tooling problems. S7 is best for impact, chipping, or cracking. A2 is preferable for abrasive wear, edge rounding, or loss of cutting accuracy. S7 and A2&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/14750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/comments?post=14750"}],"version-history":[{"count":1,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/14750\/revisions"}],"predecessor-version":[{"id":15653,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/pages\/14750\/revisions\/15653"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media\/15277"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/pt\/wp-json\/wp\/v2\/media?parent=14750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}