{"id":15065,"date":"2026-05-07T09:02:44","date_gmt":"2026-05-07T01:02:44","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15065"},"modified":"2026-06-25T10:20:54","modified_gmt":"2026-06-25T02:20:54","slug":"a2-tool-steel-hardness","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/a2-tool-steel-hardness\/","title":{"rendered":"A2 \uacf5\uad6c\uac15 \uacbd\ub3c4: 57\u201362 HRC, \ud15c\ud37c\ub9c1 \ucc28\ud2b8 \ubc0f \uc5b4\ub2d0\ub9c1 \ub370\uc774\ud130"},"content":{"rendered":"<section class=\"aobo-a2-hardness-page\">\n  <style>\n    .aobo-a2-hardness-page {\n      --aobo-blue: #0c56d0;\n      --aobo-blue-dark: #073b8e;\n      --aobo-blue-soft: #eaf2ff;\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      padding: 0;\n      box-sizing: border-box;\n    }\n\n    .aobo-a2-hardness-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: 30px;\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: 1.06;\n      letter-spacing: 0;\n      position: relative;\n      z-index: 2;\n    }\n\n    .aobo-hero p {\n      max-width: 940px;\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-article {\n      max-width: 1180px;\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      letter-spacing: 0;\n    }\n\n    .aobo-article h3 {\n      margin: 30px 0 10px;\n      color: #123f88;\n      font-size: 22px;\n      line-height: 1.3;\n      letter-spacing: 0;\n    }\n\n    .aobo-article p {\n      margin: 0 0 18px;\n      font-size: 17px;\n      color: var(--aobo-text);\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: var(--aobo-white);\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: 30px 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    }\n\n    .aobo-note-box p {\n      margin: 0;\n      color: var(--aobo-muted);\n    }\n\n    .aobo-supply-block {\n      display: grid;\n      grid-template-columns: auto minmax(0, 1fr);\n      align-items: center;\n      gap: 24px;\n      margin: 0 0 30px;\n      border: 1px solid var(--aobo-border);\n      border-radius: 24px;\n      background: #ffffff;\n      box-shadow: 0 14px 36px rgba(12, 86, 208, 0.09);\n      overflow: hidden;\n      padding: 24px;\n    }\n\n    .aobo-supply-image {\n      width: 190px;\n      aspect-ratio: 1;\n      border: 1px solid var(--aobo-border);\n      border-radius: 18px;\n      overflow: hidden;\n      background: #f7fbff;\n    }\n\n    .aobo-supply-image img {\n      display: block;\n      width: 100%;\n      height: 100%;\n      object-fit: cover;\n    }\n\n    .aobo-supply-content {\n      display: flex;\n      flex-direction: column;\n      justify-content: center;\n      padding: 0;\n    }\n\n    .aobo-supply-content h2 {\n      margin: 0 0 8px;\n      color: #082d6f;\n      font-size: 24px;\n      line-height: 1.25;\n      letter-spacing: 0;\n    }\n\n    .aobo-supply-content p {\n      margin: 0;\n      font-size: 17px;\n      color: var(--aobo-text);\n      width: 100%;\n    }\n\n    .aobo-supply-actions {\n      display: flex;\n      flex-wrap: wrap;\n      gap: 12px;\n      margin-top: 18px;\n    }\n\n    .aobo-supply-actions .aobo-btn {\n      min-width: 210px;\n    }\n\n    .aobo-btn-primary {\n      background: var(--aobo-blue);\n      color: #ffffff !important;\n      border: 1px solid var(--aobo-blue);\n    }\n\n    .aobo-btn-secondary {\n      background: #ffffff;\n      color: var(--aobo-blue) !important;\n      border: 1px solid var(--aobo-border);\n    }\n\n    .aobo-related-pages {\n      margin: 38px 0 0;\n      padding: 30px 34px;\n      border: 1px solid var(--aobo-border);\n      border-radius: 26px;\n      background: #ffffff;\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-related-pages h2 {\n      margin: 0;\n      color: #082d6f;\n      font-size: 30px;\n      line-height: 1.25;\n      letter-spacing: 0;\n    }\n\n    .aobo-related-grid {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 14px;\n      margin-top: 18px;\n    }\n\n    .aobo-related-card {\n      display: block;\n      padding: 18px;\n      border: 1px solid var(--aobo-border);\n      border-radius: 16px;\n      background: #fbfdff;\n      text-decoration: none;\n      transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;\n    }\n\n    .aobo-related-card:hover {\n      transform: translateY(-2px);\n      border-color: rgba(12, 86, 208, 0.35);\n      box-shadow: 0 12px 26px rgba(12, 86, 208, 0.10);\n      background: #ffffff;\n    }\n\n    .aobo-related-card strong {\n      display: block;\n      margin-bottom: 6px;\n      color: #082d6f;\n      font-size: 17px;\n      line-height: 1.3;\n    }\n\n    .aobo-related-card span {\n      display: block;\n      color: var(--aobo-muted);\n      font-size: 15px;\n      line-height: 1.55;\n    }\n\n    .aobo-final-cta {\n      margin-top: 34px;\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      line-height: 1.25;\n      letter-spacing: 0;\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-btn {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      text-align: center;\n      min-height: 42px;\n      padding: 10px 18px;\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-final-cta .aobo-btn {\n      flex: 0 0 auto;\n      background: #ffffff;\n      border: 1px solid #ffffff;\n      color: var(--aobo-blue) !important;\n    }\n\n    .aobo-final-cta .aobo-btn:hover {\n      transform: translateY(-1px);\n      background: #fff7ed;\n      color: var(--aobo-blue-dark) !important;\n    }\n\n    .aobo-article a:not(.aobo-btn):not(.aobo-related-card) {\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:not(.aobo-btn):not(.aobo-related-card):hover {\n      color: var(--aobo-orange);\n      background: var(--aobo-blue-soft);\n    }\n\n    .aobo-hero a:not(.aobo-btn):not(.aobo-related-card) {\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-hero a:not(.aobo-btn):not(.aobo-related-card):hover {\n      color: var(--aobo-orange);\n      background: var(--aobo-blue-soft);\n    }\n\n    @media (max-width: 760px) {\n      .aobo-hero {\n        padding: 30px 22px;\n      }\n\n      .aobo-article h2 {\n        font-size: 25px;\n      }\n\n      .aobo-article h3 {\n        font-size: 20px;\n      }\n\n      .aobo-final-cta {\n        padding: 26px 22px;\n      }\n\n      .aobo-supply-block {\n        grid-template-columns: 1fr;\n        gap: 18px;\n        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  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">A2 \uacf5\uad6c\uac15 \uacbd\ub3c4 \uac00\uc774\ub4dc<\/span>\n      <h1>A2 \uacf5\uad6c\uac15 \uacbd\ub3c4\ud45c \ubc0f \uc5f4\ucc98\ub9ac HRC \uac00\uc774\ub4dc<\/h1>\n      <p><a href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel\/\">A2 \uacf5\uad6c\uac15<\/a> \uc77c\ubc18\uc801\uc73c\ub85c A2\uac15\uc740 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac \ud6c4 57~62 HRC\uc758 \uacbd\ub3c4\ub97c \uac00\uc9c0\uba70, \uc774\ub294 \ud380\uce58, \ub2e4\uc774, \uac8c\uc774\uc9c0, \uc131\ud615 \uacf5\uad6c \ubc0f \uae30\ud0c0 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud45c\uc900 \uc791\uc5c5 \uacbd\ub3c4 \ubc94\uc704\uc785\ub2c8\ub2e4. \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c A2\uac15\uc740 \uc5f4\ucc98\ub9ac \uc804 \uac00\uacf5\uc744 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \uc57d 200~250 HB\uc758 \uacbd\ub3c4\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ud6c4\uc5d0\ub294 \uc57d 63.5~65 HRC\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc73c\uba70, \uc601\ud558 \ub610\ub294 \uadf9\uc800\uc628 \ucc98\ub9ac\ub97c \ud558\uba74 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4\uc758 \uacbd\ub3c4\uac00 \uc57d 65~66 HRC\uae4c\uc9c0 \uc57d\uac04 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>A2\uac15\uc758 \ucd5c\uc885 \uacbd\ub3c4\ub294 \ub0b4\ub9c8\ubaa8\uc131\uacfc \uc778\uc131 \uc0ac\uc774\uc758 \uade0\ud615\uc744 \uace0\ub824\ud558\uc5ec \uacb0\uc815\ub429\ub2c8\ub2e4. \uacbd\ub3c4\uac00 \ub192\uc744\uc218\ub85d \ub0a0 \uc720\uc9c0\ub825\uacfc \ub0b4\ub9c8\ubaa8\uc131\uc774 \ud5a5\uc0c1\ub418\ub294 \ubc18\uba74, \uacbd\ub3c4\uac00 \ub0ae\uc744\uc218\ub85d \ucda9\uaca9\uc774\ub098 \uce21\uba74 \ud558\uc911\uc744 \ubc1b\uc744 \ub54c \uae68\uc9c0\uac70\ub098 \uae08\uc774 \uac08 \uc704\ud5d8\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <section class=\"aobo-supply-block\" aria-label=\"A2 \uacf5\uad6c\uac15 \ubb38\uc758 \ubc0f \uc81c\ud488 \uc0c1\uc138 \uc815\ubcf4\">\n        <div class=\"aobo-supply-image\">\n          <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/03\/A2-MATERIAL.webp\" alt=\"A2 \uacf5\uad6c\uac15 \ubd09\uc7ac\" loading=\"lazy\">\n        <\/div>\n        <div class=\"aobo-supply-content\">\n          <h2>\ud2b9\uc815\ud55c \uc791\uc5c5 \uacbd\ub3c4\ub97c \uac00\uc9c4 A2 \uc18c\uc7ac\uac00 \ud544\uc694\ud558\uc2e0\uac00\uc694?<\/h2>\n          <p>\uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 \uace0\uac1d\uc774 \ubaa9\ud45c\ub85c \ud558\ub294 HRC \uacbd\ub3c4\uc5d0 \ub9de\ucdb0 \uc5f4\ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c A2\uac15\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4. \uacac\uc801\uc744 \ubc1b\uc73c\uc2dc\ub824\uba74 \ud06c\uae30\uc640 \uc218\ub7c9\uc744 \uc54c\ub824\uc8fc\uc2dc\uac70\ub098, \uba3c\uc800 \uc804\uccb4 \uc81c\ud488 \uc815\ubcf4\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>\n          <div class=\"aobo-supply-actions\">\n            <a class=\"aobo-btn aobo-btn-primary popmake-16052\" href=\"javascript:void(0);\">\ubb38\uc758 \ubcf4\ub0b4\uae30<\/a>\n            <a class=\"aobo-btn aobo-btn-secondary\" href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel\/\">A2 \uacf5\uad6c\uac15 \uc0c1\uc138 \uc815\ubcf4 \ubcf4\uae30<\/a>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uacbd\ub3c4\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/h2>\n      <p>A2 \uacf5\uad6c\uac15\uc758 \uacbd\ub3c4\ub294 \ucd5c\uc885 \uc0ac\uc6a9\uc744 \uc704\ud574 \uc5b4\ub2d0\ub9c1, \ub2f4\uae08\uc9c8, \uadf9\uc800\uc628 \ucc98\ub9ac \ub610\ub294 \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub418\uc5c8\ub294\uc9c0\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>A2 \uacf5\uad6c\uac15 \uc0c1\ud0dc<\/th><th>\uc77c\ubc18\uc801\uc778 \uacbd\ub3c4<\/th><th>\uc758\ubbf8<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uc5b4\ub2d0\ub9c1 \uc870\uac74<\/td><td>200-250 HB<\/td><td>\uac00\uacf5\ud558\uae30\uc5d0 \ucda9\ubd84\ud788 \ubd80\ub4dc\ub7fd\ub2e4<\/td><\/tr>\n            <tr><td>\uc801\uc808\ud55c \uc5b4\ub2d0\ub9c1 \uc870\uac74<\/td><td>\ubcf4\ud1b5 \ucd5c\ub300 \uc57d 235 HB\uae4c\uc9c0\uc785\ub2c8\ub2e4.<\/td><td>\uc81c\uc5b4\ub41c \uac00\uacf5 \uac00\ub2a5 \uc870\uac74<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8 \uc0c1\ud0dc<\/td><td>63.5-65 HRC<\/td><td>\ub9e4\uc6b0 \ub2e8\ub2e8\ud558\uc9c0\ub9cc \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud558\uae30\uc5d0\ub294 \ub108\ubb34 \uc798 \ubd80\uc11c\uc9d1\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc601\ud558 \ub610\ub294 \uadf9\uc800\uc628 \ucc98\ub9ac\ub85c \uae09\ub7ad<\/td><td>65-66 HRC<\/td><td>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ubcc0\ud0dc\ub85c \uc778\ud55c \ub354 \ub192\uc740 \uacbd\ub3c4<\/td><\/tr>\n            <tr><td>\uc801\uc808\ud55c \uc791\uc5c5 \uc870\uac74<\/td><td>57-62 HRC<\/td><td>\uc77c\ubc18\uc801\uc778 \uc2e4\uc81c \uacbd\ub3c4 \ubc94\uc704<\/td><\/tr>\n            <tr><td>\ub0b4\ub9c8\ubaa8\uc131 \uc6b0\uc120 \uc21c\uc704<\/td><td>60-62 HRC<\/td><td>\ud380\uce58, \ub2e4\uc774, \uac8c\uc774\uc9c0 \ubc0f \ub9c8\ubaa8 \uce21\uc815 \uacf5\uad6c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uac15\uc778\ud568 \uc6b0\uc120 \uc21c\uc704<\/td><td>56-58 HRC<\/td><td>\uae68\uc9d0, \ucda9\uaca9 \ub610\ub294 \uade0\uc5f4\uc774 \uc6b0\ub824\ub418\ub294 \uacf3\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\uad6c\ub9e4\uc790\uc640 \uacf5\uad6c \uc81c\uc791\uc790\uc5d0\uac8c \uc788\uc5b4 A2\uac15\uc758 \uac00\uc7a5 \uc720\uc6a9\ud55c \uacbd\ub3c4\ub294 \ud15c\ud37c\ub9c1 \ud6c4 \ucd5c\uc885 \uac00\uacf5 \uacbd\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uc0c1\ud0dc\ubcc4 \uacbd\ub3c4<\/h2>\n      <h3>1. \uc5b4\ub2d0\ub9c1 \uc870\uac74<\/h3>\n      <p>A2 \uacf5\uad6c\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uac00\uacf5 \ubc0f \ucd5c\uc885 \uc5f4\ucc98\ub9ac \uc804\uc5d0 \uc5b4\ub2d0\ub9c1\ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \uc5b4\ub2d0\ub9c1 \uacbd\ub3c4\ub294 \uc57d 200~250 HB\uc785\ub2c8\ub2e4. \ub9ce\uc740 \uaddc\uaca9\uc5d0\uc11c \uc5b4\ub2d0\ub9c1\ub41c A2\uc758 \uacbd\ub3c4\ub97c 201~229 HB\ub85c \uaddc\uc815\ud558\uace0 \uc788\uc73c\uba70, \uaddc\uaca9 \ubc0f \uacf5\uae09 \uc870\uac74\uc5d0 \ub530\ub77c \uc0c1\ud55c\uc120\uc774 235 HB \ub610\ub294 248 HBW\uc778 \uacbd\uc6b0\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n      <h3>2. \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uc0c1\ud0dc<\/h3>\n      <p>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ubc0f \ub2f4\uae08\uc9c8 \ud6c4, A2\ub294 \ub192\uc740 \uacbd\ub3c4\ub97c \uc5bb\uc2b5\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \uc9c1\ud6c4\uc758 \uc815\ud655\ud55c \uacbd\ub3c4\ub294 \uc8fc\ub85c \uacbd\ud654 \uc628\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4<\/th><th>\ub2f4\uae08\uc9c8 \uc9c1\ud6c4\uc758 \uc77c\ubc18\uc801\uc778 \uacbd\ub3c4<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>1700\u00b0F \/ 925\u00b0C<\/td><td>\uc57d 63.5 HRC<\/td><\/tr>\n            <tr><td>1750\u00b0F \/ 955\u00b0C<\/td><td>\uc57d 64.5 HRC<\/td><\/tr>\n            <tr><td>1775-1800\u00b0F \/ 970-980\u00b0C<\/td><td>\uc57d 64~65 HRC<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8 \ud6c4 \uc601\ud558 \ub610\ub294 \uadf9\uc800\uc628 \ucc98\ub9ac<\/td><td>\uc57d 65~66 HRC<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\uc77c\ubc18\uc801\uc778 \ub2f4\uae08\uc9c8 \ucc98\ub9ac \uc2dc A2\uc5d0\ub294 \uc57d 16~18%\uc758 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \ub0a8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc601\ud558 \ub610\ub294 \uadf9\uc800\uc628 \ucc98\ub9ac\ub97c \ud1b5\ud574 \uc774 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uc758 \uc77c\ubd80\ub97c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub85c \uc778\ud574 \uacbd\ub3c4\uac00 \uc57d\uac04 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n      <p>\ud558\uc9c0\ub9cc \ub2f4\uae08\uc9c8\ub41c A2\ub294 \uc751\ub825\uc774 \ub9e4\uc6b0 \ub192\uace0 \ucde8\uc131\uc774 \uac15\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc0ac\uc6a9 \uc804\uc5d0 \ubc18\ub4dc\uc2dc \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub97c \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n      <h3>3. \uc801\uc808\ud55c \uc791\uc5c5 \uc870\uac74<\/h3>\n      <p>\uc5f4\ucc98\ub9ac \ud6c4, A2\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc57d 57~62 HRC\uc758 \uacbd\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub294 \uc0b0\uc5c5\uc6a9 \uacf5\uad6c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc8fc\uc694 \uacbd\ub3c4 \ubc94\uc704\uc785\ub2c8\ub2e4.<\/p>\n      <p>\ube14\ub7ad\ud0b9 \ub2e4\uc774, \ud380\uce58, \uac8c\uc774\uc9c0, \uc131\ud615 \uacf5\uad6c \ubc0f \ub0b4\ub9c8\ubaa8\uc131 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uc758 \uacbd\uc6b0 58~62 HRC\uac00 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \uacf5\uad6c\uac00 \ucda9\uaca9, \uce21\uba74 \ud558\uc911 \ub610\ub294 \ubaa8\uc11c\ub9ac \ud30c\uc190\uc5d0 \ub178\ucd9c\ub418\ub294 \uacbd\uc6b0 \uc778\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uacbd\ub3c4\ub97c 56~58 HRC\ub85c \ub0ae\ucd94\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uc628\ub3c4\ubcc4 \uc5f4\ucc98\ub9ac \ucc28\ud2b8: HRC (\uc5f4\uacbd\ub3c4)<\/h2>\n      <p>A2\uac15\uc740 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4, \uc77c\ubc18\uc801\uc73c\ub85c \ubd80\ud488\uc774 \uc57d 50~66\u00b0C(120~150\u00b0F)\uae4c\uc9c0 \ub0c9\uac01\ub41c \ud6c4\uc5d0 \ud15c\ud37c\ub9c1\ud574\uc57c \ud569\ub2c8\ub2e4. \ud15c\ud37c\ub9c1\uc740 \uc794\ub958 \uc751\ub825\uc744 \uac10\uc18c\uc2dc\ud0a4\uace0, \uc778\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \ucd5c\uc885 \uacbd\ub3c4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uce58\uc218 \uc548\uc815\uc131\uc774 \uc911\uc694\ud55c \uacbd\uc6b0\uc5d0\ub294 \uc774\uc911 \ud15c\ud37c\ub9c1\uc774 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc870\uac74 \ub610\ub294 \uc628\ub3c4<\/th><th>\uc77c\ubc18\uc801\uc778 \uacbd\ub3c4<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uae09\ub7ad<\/td><td>63.5-65 HRC<\/td><\/tr>\n            <tr><td>\uc601\ud558 \ub610\ub294 \uadf9\uc800\uc628 \ucc98\ub9ac\ub85c \uae09\ub7ad<\/td><td>\uacbd\ub3c4 \uc57d 65~66 HRC\uae4c\uc9c0<\/td><\/tr>\n            <tr><td>345-350\u00b0F \/ 175\u00b0C<\/td><td>\uc57d 59.7~63 HRC<\/td><\/tr>\n            <tr><td>400\u00b0F \/ 204\u00b0C<\/td><td>\uacbd\ub3c4 \uc57d 59.5~60 HRC<\/td><\/tr>\n            <tr><td>\uadf9\uc800\uc628 \ucc98\ub9ac \ud6c4 400\u00b0F \/ 204\u00b0C<\/td><td>\uc57d 61-62 HRC<\/td><\/tr>\n            <tr><td>600\u00b0F \/ 315\u00b0C<\/td><td>\uc57d 55.5 HRC<\/td><\/tr>\n            <tr><td>900F \/ 480C<\/td><td>\uc57d 51\uba85\uc758 HRC<\/td><\/tr>\n            <tr><td>950-1000\u00b0F \/ 510-540\u00b0C<\/td><td>\uc57d 54~57 HRC<\/td><\/tr>\n            <tr><td>1100\u00b0F \/ 595\u00b0C<\/td><td>\uc57d 46~47 HRC<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\uc77c\ubc18\uc801\uc73c\ub85c A2 \ud569\uae08\uc740 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uacbd\ub3c4\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc 950~1000\u00b0F(510~540\u00b0C) \ubd80\uadfc\uc758 2\ucc28 \uacbd\ud654 \uad6c\uac04\uc5d0\uc11c\ub294 \ubbf8\uc138\ud55c \ud569\uae08 \ud0c4\ud654\ubb3c\uc774 \uc0dd\uc131\ub418\uc5b4 \uacbd\ub3c4\ub97c \ub2e4\uc2dc \uc57d 54~57 HRC\uae4c\uc9c0 \ub192\uc77c \uc218 \uc788\ub2e4\ub294 \uc608\uc678\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>\ub0b4\ub9c8\ubaa8\uc131\uc774 \ub192\uc740 \ub300\ubd80\ubd84\uc758 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\ub294 A2\uac15\uc758 \uacbd\ub3c4\ub97c 58~62 HRC\ub85c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub0ae\uc740 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc778\uc131\uc774\ub098 \uc548\uc815\uc131\uc774 \ub354 \ub192\uc740 \uacf5\uad6c\ub294 \ub354 \ub192\uc740 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ub97c \uc120\ud0dd\ud560 \uc218 \uc788\uc9c0\ub9cc, \ucd5c\uc885 \uacbd\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub354 \ub0ae\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n\n      <h2>\uc5f4\ucc98\ub9ac\uac00 A2 \uacf5\uad6c\uac15\uc758 \uacbd\ub3c4\ub97c \uc81c\uc5b4\ud558\ub294 \ubc29\ubc95<\/h2>\n      <p>A2 \uacbd\ub3c4\ub294 \uc8fc\ub85c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4, \ub2f4\uae08\uc9c8 \uc18d\ub3c4, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8, \ub2e8\uba74 \ud06c\uae30 \ubc0f \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc694\uc778<\/th><th>A2 \uacbd\ub3c4\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4<\/td><td>\uacbd\ud654 \uac00\ub2a5\uc131\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8 \uc18d\ub3c4<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ud615\uc131\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ub2e8\uba74\uc801<\/td><td>\ucf54\uc5b4 \uacbd\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4<\/td><\/tr>\n            <tr><td>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8<\/td><td>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uacfc\ub2e4\ud558\uba74 \uacbd\ub3c4\uc640 \uc548\uc815\uc131\uc774 \uc800\ud558\ub429\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc601\ud558 \ub610\ub294 \uadf9\uc800\uc628 \ucc98\ub9ac<\/td><td>\uacbd\ub3c4\ub97c \uc57d\uac04 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ud15c\ud37c\ub9c1 \uc628\ub3c4<\/td><td>\ucd5c\uc885 \uc791\uc5c5 HRC\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc774\uc911 \uc5f4\ucc98\ub9ac<\/td><td>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ubcc0\ud0dc \ud6c4 \uc548\uc815\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uac00 \ub108\ubb34 \ub0ae\uc73c\uba74 A2\uac00 \ucd5c\ub300 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\ub300\ub85c \uc628\ub3c4\uac00 \ub108\ubb34 \ub192\uc73c\uba74 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uacfc\ub3c4\ud558\uac8c \uc0dd\uc131\ub418\uc5b4 \uacbd\ub3c4\uc640 \uce58\uc218 \uc548\uc815\uc131\uc774 \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>A2\ub294 \uacf5\uae30 \uacbd\ud654 \uacf5\uad6c\uac15\uc785\ub2c8\ub2e4. \ud06c\ub86c\uacfc \ubab0\ub9ac\ube0c\ub374 \ud568\ub7c9\uc774 \ucda9\ubd84\ud558\uc5ec \uae4a\uc740 \uacbd\ud654\uac00 \uac00\ub2a5\ud558\uae30 \ub54c\ubb38\uc5d0, \uc624\uc77c \uacbd\ud654\uac15\uacfc \uac19\uc740 \ub2e4\ub978 \uac15\uc885\uc5d0 \ube44\ud574 \ubcc0\ud615 \uc704\ud5d8\uc774 \ub0ae\uc73c\uba74\uc11c\ub3c4 \ub192\uc740 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/o1-tool-steel\/\">\uc6241<\/a>.<\/p>\n      <p>\ub2e8\uba74 \ud06c\uae30\ub294 \uc5ec\uc804\ud788 \uc911\uc694\ud569\ub2c8\ub2e4. A2\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc57d 4.5\uc778\uce58(114mm)\uae4c\uc9c0\uc758 \ub2e8\uba74\uc5d0\uc11c \ud6a8\uacfc\uc801\uc73c\ub85c \uacbd\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc57d 5\uc778\uce58(127mm) \uc774\uc0c1\uc5d0\uc11c\ub294 \uc911\uc2ec\ubd80\uac00 \ub108\ubb34 \ub290\ub9ac\uac8c \ub0c9\uac01\ub418\uc5b4 \ud45c\uba74\uacfc \ub3d9\uc77c\ud55c \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-note-box\">\n        <p>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4, \ud15c\ud37c\ub9c1 \uc8fc\uae30, \ub2f4\uae08\uc9c8 \ubc29\ubc95 \ubc0f \uce58\uc218 \uc548\uc815\uc131 \uace0\ub824 \uc0ac\ud56d\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \uc804\uccb4 \uc790\ub8cc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel-heat-treatment-guide\/\">A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/a>.<\/p>\n      <\/div>\n\n      <h2>\uc6a9\ub3c4\uc5d0 \ub530\ub978 \uad8c\uc7a5 A2 \uacf5\uad6c\uac15 \uacbd\ub3c4<\/h2>\n      <p>\uc801\uc808\ud55c A2 \uacbd\ub3c4\ub294 \uacf5\uad6c\uc5d0 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub354 \ud544\uc694\ud55c\uc9c0 \uc544\ub2c8\uba74 \uc778\uc131\uc774 \ub354 \ud544\uc694\ud55c\uc9c0\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th><th>\uad8c\uc7a5 \uacbd\ub3c4<\/th><th>\uc774\uc720<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\ube14\ub7ad\ud0b9 \ub2e4\uc774 \ubc0f \ud380\uce58, \uc7a5\uae30 \uc0dd\uc0b0<\/td><td>58-62 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uacfc \ub0a0 \uc720\uc9c0\ub825\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ube14\ub7ad\ud0b9 \ub2e4\uc774 \ubc0f \ud380\uce58, \uc18c\ub7c9 \uc0dd\uc0b0\uc6a9<\/td><td>58-60 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uacfc \uc778\uc131\uc758 \uade0\ud615<\/td><\/tr>\n            <tr><td>\ud53c\uc5b4\uc2f1 \ubc0f \ud2b8\ub9ac\ubc0d \ud380\uce58<\/td><td>58-60 HRC<\/td><td>\uce21\uba74 \ud558\uc911\uc744 \ubc1b\uc744 \ub54c \ud30c\uc190 \uc704\ud5d8\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ubca4\ub529 \ub2e4\uc774<\/td><td>58-60 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uacfc \uc778\uc131\uc758 \uade0\ud615<\/td><\/tr>\n            <tr><td>\ub4dc\ub85c\uc789 \ub2e4\uc774<\/td><td>58-62 HRC<\/td><td>\uae01\ud798 \ubc0f \ubbf8\ub044\ub7ec\uc9d0 \ub9c8\ubaa8\uc5d0 \uac15\ud568<\/td><\/tr>\n            <tr><td>\uc131\ud615 \ubc0f \uc811\ud569 \ub864<\/td><td>58-62 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uacfc \uc815\ud655\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ub0c9\uac04 \uc2a4\uc6e8\uc774\uc9d5 \ub2e4\uc774<\/td><td>56-60 HRC<\/td><td>\ubc18\ubcf5\uc801\uc778 \ucda9\uaca9\uc5d0\ub3c4 \ub354 \ub098\uc740 \ub0b4\uad6c\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc2a4\ud53c\ub2dd \ub9e8\ub4dc\ub9b4<\/td><td>50-58 HRC<\/td><td>\uace0\uc555 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc6b0\uc218\ud55c \uc5f0\uc131\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc8fc\ud654 \uc81c\uc791\uc6a9 \uc8fc\ud615<\/td><td>58-60 HRC<\/td><td>\uc555\ucd95 \uc751\ub825\uc5d0 \uc800\ud56d\ud569\ub2c8\ub2e4<\/td><\/tr>\n            <tr><td>\uc5e0\ubcf4\uc2f1 \ub2e4\uc774 \ubc0f \ud380\uce58<\/td><td>58-61 HRC<\/td><td>\ub514\ud14c\uc77c\uc744 \uc720\uc9c0\ud558\uace0 \ud45c\uba74 \ub9c8\ubaa8\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ub0c9\uac04 \uc555\ucd9c \ub2e4\uc774 \ubc0f \ud380\uce58<\/td><td>56-62 HRC<\/td><td>\ud558\uc911\uacfc \uacf5\uad6c \uc124\uacc4\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ub2e4\uc774 \ubca0\uc774\uc2a4, \uc564\ube4c \ubc0f \ud380\uce58 \uc0dd\ud06c<\/td><td>56-58 HRC<\/td><td>\ucda9\uaca9 \ud761\uc218\ub825 \ud5a5\uc0c1<\/td><\/tr>\n            <tr><td>\ub0c9\uac04 \uc804\ub2e8 \ube14\ub808\uc774\ub4dc<\/td><td>58-63 HRC<\/td><td>\ub0b4\uad6c\uc131\uc774 \ub6f0\uc5b4\ub09c \uc808\uc0ad\ub0a0<\/td><\/tr>\n            <tr><td>\uae43\ud39c\uacfc \ub179\uc544\uc6c3 \ud540<\/td><td>59-63 HRC<\/td><td>\ub05d\ubd80\ubd84 \ub9c8\ubaa8 \ubc0f \ud718\uc5b4\uc9d0\uc5d0 \uac15\ud568<\/td><\/tr>\n            <tr><td>\ub0c9\uac04\uc555\uc5f0\uae30 \ub864<\/td><td>58-62 HRC<\/td><td>\uade0\uc77c\ud55c \ub0b4\ub9c8\ubaa8\uc131<\/td><\/tr>\n            <tr><td>\uac8c\uc774\uc9c0, \uc9c1\uac01\uc790, \uc9c1\uc120\uc790, \ud15c\ud50c\ub9bf<\/td><td>58-62 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2 \uacf5\uad6c\uac00 \uc2ec\ud55c \ucda9\uaca9 \uc870\uac74\uc5d0\uc11c \ubc18\ubcf5\uc801\uc73c\ub85c \ud30c\uc190\ub418\ub294 \uacbd\uc6b0, \uacbd\ub3c4\ub97c \ub0ae\ucd94\ub294 \uac83\uc774 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc9c0\ub9cc, \uadf8 \ud6a8\uacfc\ub294 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4. \uc2ec\ud55c \ucda9\uaca9\uc774 \uac00\ud574\uc9c0\ub294 \ud658\uacbd\uc5d0\uc11c\ub294 \ub354 \uac15\ud55c \uacbd\ub3c4\uc758 \uacf5\uad6c\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/s7-tool-steel\/\">S7<\/a> A2 \uc6a9\uc9c0\ub97c \uc9c0\ub098\uce58\uac8c \uc5f0\ud654\uc2dc\ud0a4\ub294 \uac83\ubcf4\ub2e4 \ub354 \ub098\uc740 \uc120\ud0dd\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uacbd\ub3c4\uc640 D2 \ubc0f O1\uc758 \uacbd\ub3c4 \ube44\uad50<\/h2>\n      <p>A2, <a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">\ub5142<\/a>, O1\uacfc O1\uc740 \uc720\uc0ac\ud55c HRC \uac12\uc744 \uc5bb\uc744 \uc218 \uc788\uc9c0\ub9cc, \ub3d9\uc77c\ud55c \uacbd\ub3c4 \uc218\uc900\uc5d0\uc11c \uc131\ub2a5\uc740 \ub3d9\uc77c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ub4f1\uae09<\/th><th>\ub2f4\uae08\uc9c8\ud615<\/th><th>\uc77c\ubc18\uc801\uc778 \uc791\uc5c5 \uacbd\ub3c4<\/th><th>\uc8fc\uc694 \uac15\uc810<\/th><th>\uc8fc\uc694 \uc81c\ud55c \uc0ac\ud56d<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uc6241<\/td><td>\uc624\uc77c \uacbd\ud654<\/td><td>58-60 HRC<\/td><td>\uc6b0\uc218\ud55c \uc778\uc131\uacfc \uac04\ub2e8\ud55c \uc5f4\ucc98\ub9ac<\/td><td>\ub0b4\ub9c8\ubaa8\uc131 \uc800\ud558 \ubc0f \ubcc0\ud615 \uc704\ud5d8 \uc99d\uac00<\/td><\/tr>\n            <tr><td>A2<\/td><td>\uacf5\uae30 \uacbd\ud654<\/td><td>58-62 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131, \uc778\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc758 \uade0\ud615<\/td><td>D2\ub9cc\ud07c \ub0b4\ub9c8\ubaa8\uc131\uc774 \uc88b\uc9c0\ub294 \uc54a\ub2e4<\/td><\/tr>\n            <tr><td>\ub5142<\/td><td>\uacf5\uae30 \uacbd\ud654<\/td><td>58-62 HRC<\/td><td>\ub192\uc740 \ub0b4\ub9c8\ubaa8\uc131<\/td><td>\uc778\uc131\uc774 \ub0ae\uace0 \ud30c\uc190 \uc704\ud5d8\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>D2\ub294 \ud0c4\uc18c\uc640 \ud06c\ub86c \ud568\ub7c9\uc774 \ub192\uc544 \ub354 \ub2e8\ub2e8\ud55c \ud0c4\ud654\ubb3c\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 D2\ub294 \ub0b4\ub9c8\ubaa8\uc131\uc740 \uc6b0\uc218\ud558\uc9c0\ub9cc \uc778\uc131\uc740 \ub0ae\uc2b5\ub2c8\ub2e4. O1\uc740 \ud569\uae08 \ud0c4\ud654\ubb3c \ud568\ub7c9\uc774 \uc801\uc5b4 \ub0b4\ub9c8\ubaa8\uc131\uc740 \ub0ae\uc9c0\ub9cc \uc801\ud569\ud55c \uc6a9\ub3c4\uc5d0\uc11c\ub294 \uc6b0\uc218\ud55c \uc778\uc131\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>A2\ub294 \uadf8 \uc911\uac04\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4. D2\ubcf4\ub2e4 \uac15\uc131\uc774 \ub192\uace0 O1\ubcf4\ub2e4 \uce58\uc218 \uc548\uc815\uc131\uc774 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4. \ub530\ub77c\uc11c D2\uac00 \ub108\ubb34 \ucde8\uc131\uc774 \uac15\ud558\uace0 O1\uc774 \uc548\uc815\uc131\uc774\ub098 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ubd80\uc871\ud560 \ub54c A2\uac00 \uc790\uc8fc \uc120\ud0dd\ub429\ub2c8\ub2e4.<\/p>\n      <p>\uc2e4\uc81c \uacf5\uad6c \uc801\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub0b4\ub9c8\ubaa8\uc131, \uc778\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc744 \ube44\uad50\ud558\ub294 \uacbd\uc6b0, \ub2f9\uc0ac\uc758 \uc0c1\uc138 \uac00\uc774\ub4dc\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/aobosteel.com\/ko\/d2-vs-a2-tool-steel\/\">A2 vs D2 \uacf5\uad6c\uac15<\/a> \uadf8\ub9ac\uace0 <a href=\"https:\/\/aobosteel.com\/ko\/a2-vs-o1-tool-steel\/\">A2 vs O1 \uacf5\uad6c\uac15<\/a>.<\/p>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc774 \uc694\uad6c\ub418\ub294 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc77c\ubc18\uc801\uc778 \ubb38\uc81c\uc810<\/h2>\n      <p>A2\uac00 \uc608\uc0c1 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud558\ub294 \uacbd\uc6b0, \ubb38\uc81c\ub294 \ub300\uac1c \uc5f4\ucc98\ub9ac \uc81c\uc5b4, \ub2e8\uba74 \ud06c\uae30 \ub610\ub294 \ud45c\uba74 \uc0c1\ud0dc\uc640 \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ubb38\uc81c<\/th><th>\uac00\ub2a5\uc131 \uc788\ub294 \uc6d0\uc778<\/th><th>\uacb0\uacfc<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\ub2f4\uae08\uc9c8 \ud6c4 \uacbd\ub3c4\uac00 \ub0ae\uc74c<\/td><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uac00 \ub108\ubb34 \ub0ae\uc74c<\/td><td>\uacbd\ud654 \ubc18\uc751\uc774 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc74c<\/td><\/tr>\n            <tr><td>\uace0\uc628 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ucc98\ub9ac \ud6c4 \ub0ae\uc740 \uacbd\ub3c4<\/td><td>\uacfc\ub3c4\ud55c \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8<\/td><td>\uc5f0\uc9c8 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub294 \uce21\uc815\ub41c \uacbd\ub3c4\ub97c \ub0ae\ucda5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ud45c\uba74\uc740 \ubd80\ub4dc\ub7fd\uc9c0\ub9cc \ub0b4\ubd80\ub294 \ub2e8\ub2e8\ud558\ub2e4<\/td><td>\ud0c8\ud0c4<\/td><td>\ud45c\uba74 \ud0c4\uc18c \uc190\uc2e4\ub85c \uc778\ud574 \ud45c\uba74 \uacbd\ub3c4\uac00 \uc644\uc804\ud788 \ud655\ubcf4\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ud070 \ub2e8\uba74\uc758 \uc18c\ud504\ud2b8 \ucf54\uc5b4<\/td><td>\ub0c9\uac01 \uc18d\ub3c4\uac00 \ub108\ubb34 \ub290\ub9bd\ub2c8\ub2e4<\/td><td>\ud575\uc774 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \uc644\uc804\ud788 \ubcc0\ud0dc\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ucd5c\uc885 \uacbd\ub3c4\uac00 \ub108\ubb34 \ub0ae\uc74c<\/td><td>\ub2f4\uae08\uc9c8 \uc628\ub3c4\uac00 \ub108\ubb34 \ub192\uc2b5\ub2c8\ub2e4.<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uac00 \uacfc\ub3c4\ud558\uac8c \uc5f0\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc5f0\uc0ad \ud6c4 \ubc1c\uc0dd\ud558\ub294 \uad6d\uc18c\uc801\uc778 \uc5f0\ud654 \ud604\uc0c1<\/td><td>\uc5f0\uc0ad \uc911 \uc5f0\uc18c \ub610\ub294 \uacfc\uc5f4<\/td><td>\ud45c\uba74 \uacbd\ub3c4\uac00 \uace0\ub974\uc9c0 \uc54a\uac8c \ub429\ub2c8\ub2e4.<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\ud754\ud788 \uc800\uc9c0\ub974\ub294 \uc2e4\uc218 \uc911 \ud558\ub098\ub294 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uacbd\ub3c4\uac00 \ud56d\uc0c1 \ub192\uc544\uc9c4\ub2e4\uace0 \uc0dd\uac01\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. A2 \ud569\uae08\uc758 \uacbd\uc6b0, \uacfc\uc5f4\uc740 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub7c9\uc744 \uc99d\uac00\uc2dc\ucf1c \ucd5c\uc885 \uacbd\ub3c4\ub97c \uac10\uc18c\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>\ud45c\uba74 \ud0c8\ud0c4 \ub610\ud55c \ud754\ud55c \uc6d0\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. A2\ub97c \uc801\uc808\ud55c \ubcf4\ud638 \uc5c6\uc774 \uac00\uc5f4\ud558\uba74 \ud45c\uba74\uc5d0\uc11c \ud0c4\uc18c\uac00 \uc190\uc2e4\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc911\uc2ec\ubd80\ub294 \uc801\uc815 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc9c0\ub9cc \ud45c\uba74\uc740 \uc5ec\uc804\ud788 \ubb34\ub978 \uc0c1\ud0dc\ub85c \ub0a8\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>\ub2e8\uba74 \ud06c\uae30\uac00 \ud074\uc218\ub85d \uacbd\ub3c4 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. A2\uac15\uc740 \uc2ec\ubd80 \uacbd\ud654 \ub2a5\ub825\uc774 \uc6b0\uc218\ud558\uc9c0\ub9cc, \ub2e8\uba74\uc774 \ub9e4\uc6b0 \ud074 \uacbd\uc6b0 \uc911\uc2ec\ubd80\uac00 \ub108\ubb34 \ub290\ub9ac\uac8c \ub0c9\uac01\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc57d 127mm(5\uc778\uce58) \uc774\uc0c1\uc77c \uacbd\uc6b0, \uacf5\uae30 \uc911\uc5d0\uc11c \ub0c9\uac01\ud560 \ub54c \uc911\uc2ec\ubd80 \uacbd\ub3c4\uac00 \ud45c\uba74 \uacbd\ub3c4\ubcf4\ub2e4 \ub0ae\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>\ubd80\uc801\uc808\ud55c \ud15c\ud37c\ub9c1 \ub610\ud55c \uacbd\ub3c4\ub97c \uc800\ud558\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubaa9\ud45c \uacbd\ub3c4\uc5d0 \ube44\ud574 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \ub108\ubb34 \ub192\uc73c\uba74 \ucd5c\uc885 HRC \uac12\uc774 \ub0ae\uc544\uc9d1\ub2c8\ub2e4. \ub610\ud55c \uc5f4\ucc98\ub9ac \ud6c4 \uc5f0\uc0ad \uacfc\uc815\uc5d0\uc11c \uacfc\ub3c4\ud55c \uc5f4\uc774 \ubc1c\uc0dd\ud558\uba74 \uad6d\ubd80\uc801\uc73c\ub85c \uc5f0\ud654\ub41c \ubd80\ubd84\uc774 \uc0dd\uae30\uac70\ub098 \ud45c\uba74 \uacbd\ub3c4\uac00 \uace0\ub974\uc9c0 \uc54a\uac8c \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n    <\/main>\n\n    <section class=\"aobo-related-pages\" aria-label=\"A2 \uacf5\uad6c\uac15 \uad00\ub828 \ud398\uc774\uc9c0\">\n      <h2>\uad00\ub828 \ud398\uc774\uc9c0<\/h2>\n      <div class=\"aobo-related-grid\">\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel-properties\/\">\n          <strong>A2 \uacf5\uad6c\uac15\uc758 \ud2b9\uc131<\/strong>\n          <span>A2\uc758 \ud654\ud559 \uc870\uc131, \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \uc778\uc131 \ubc0f \uc7ac\ub8cc \uc120\ud0dd\uc744 \uc704\ud55c \ub3d9\ub4f1 \ub4f1\uae09\uc5d0 \ub300\ud55c \uc804\uccb4 \ucc38\uace0 \uc790\ub8cc<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel-heat-treatment-guide\/\">\n          <strong>A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/strong>\n          <span>\uc608\uc5f4, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654, \uacf5\ub7ad, \uc774\uc911 \ud15c\ud37c\ub9c1\uc744 \ub2e8\uacc4\ubcc4\ub85c \uc9c4\ud589\ud558\uc5ec 58~62 HRC\uc758 \uc548\uc815\uc801\uc778 \uacbd\ub3c4\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel-machining-fabrication-guide\/\">\n          <strong>A2 \uacf5\uad6c\uac15 \uac00\uacf5 \uac00\uc774\ub4dc<\/strong>\n          <span>\uc5b4\ub2d0\ub9c1 \ubc0f \uacbd\ud654 \ucc98\ub9ac\ub41c A2\uac15\uc758 \uc808\uc0ad \uc18d\ub3c4, \uac00\uacf5\uc131 \ub4f1\uae09, \ub4dc\ub9b4\ub9c1, \uc5f0\uc0ad, EDM \ubc0f \uc6a9\uc811 \uc791\uc5c5<\/span>\n        <\/a>\n        <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel-applications\/\">\n          <strong>A2 \uacf5\uad6c\uac15 \uc801\uc6a9 \ubd84\uc57c<\/strong>\n          <span>\ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uc5d0\uc11c A2 \uc18c\uc7ac\uc758 \uc5ed\ud560\uacfc, \uc18c\uc7ac \ud2b9\uc131\ubfd0 \uc544\ub2c8\ub77c \ud30c\uc190 \ubaa8\ub4dc\ub97c \uae30\uc900\uc73c\ub85c A2 \uc18c\uc7ac\ub97c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95<\/span>\n        <\/a>\n      <\/div>\n    <\/section>\n\n    <section class=\"aobo-final-cta\">\n      <div>\n        <h2>\uc801\uc808\ud55c \uac00\uacf5 \uacbd\ub3c4\uc758 A2\uac15\uc774 \ud544\uc694\ud558\uc2e0\uac00\uc694?<\/h2>\n        <p>\ub4f1\uae09, \ud06c\uae30, \uc218\ub7c9, \ubaa9\ud45c \uacbd\ub3c4, \uc6a9\ub3c4 \ubc0f \ud30c\uc190 \uc870\uac74\uc744 \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624. Aobo Steel\uc740 \uace0\uac1d\uc758 \ub9c8\ubaa8, \uce69\ud551, \uade0\uc5f4 \ub610\ub294 \uce58\uc218 \uc548\uc815\uc131 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 A2 \ub610\ub294 \uae30\ud0c0 \uacf5\uad6c\uac15\uc744 \ucd94\ucc9c\ud574 \ub4dc\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <\/div>\n      <a class=\"aobo-btn popmake-16052\" href=\"javascript:void(0);\">\ubb38\uc758 \ubcf4\ub0b4\uae30<\/a>\n    <\/section>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>A2 Tool Steel Hardness Guide A2 Tool Steel Hardness Chart and Heat Treatment HRC Guide A2 tool steel typically has a hardness of 57-62 HRC after hardening and tempering, which is the standard working hardness range for punches, dies, gauges, forming tools, and other cold-work tooling applications. In the annealed condition, A2 is typically supplied [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15068,"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-15065","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A2 Tool Steel Hardness: 57\u201362 HRC, Tempering Chart &amp; Annealed Data<\/title>\n<meta name=\"description\" content=\"A2 tool steel reaches 57\u201362 HRC after tempering. 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