{"id":11648,"date":"2025-12-22T16:34:05","date_gmt":"2025-12-22T08:34:05","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=11648"},"modified":"2026-06-25T10:23:02","modified_gmt":"2026-06-25T02:23:02","slug":"a2-tool-steel-heat-treatment-guide","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/a2-tool-steel-heat-treatment-guide\/","title":{"rendered":"A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac: 1750\u00b0F, 58\u201362 HRC | \uc544\uc624\ubcf4 \uc2a4\ud2f8"},"content":{"rendered":"<section class=\"aobo-a2-heat-treatment-page\">\n  <style>\n    .aobo-a2-heat-treatment-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-heat-treatment-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-figure {\n      margin: 24px 0 30px;\n      padding: 18px;\n      border: 1px solid var(--aobo-border);\n      border-radius: 18px;\n      background: var(--aobo-white);\n      box-shadow: 0 12px 32px rgba(12, 86, 208, 0.07);\n    }\n\n    .aobo-figure img {\n      display: block;\n      width: 60%;\n      max-width: 100%;\n      height: auto;\n      margin: 0 auto;\n      border-radius: 12px;\n    }\n\n    .aobo-figure figcaption {\n      margin-top: 12px;\n      color: var(--aobo-muted);\n      font-size: 14px;\n      line-height: 1.55;\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    }\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-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-btn:hover {\n      transform: translateY(-1px);\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-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-cta-buttons {\n      display: flex;\n      gap: 10px;\n      flex-wrap: wrap;\n      align-items: center;\n    }\n\n    .aobo-final-cta .aobo-btn-detail {\n      background: transparent;\n      border-color: rgba(255, 255, 255, 0.75);\n      color: #ffffff !important;\n    }\n\n    .aobo-final-cta .aobo-btn-detail:hover {\n      background: rgba(255, 255, 255, 0.14);\n      border-color: #ffffff;\n      color: #ffffff !important;\n    }\n\n    .aobo-article a:not(.aobo-btn):not(.aobo-related-card),\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-article a:not(.aobo-btn):not(.aobo-related-card):hover,\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-cta-buttons {\n        width: 100%;\n        flex-direction: column;\n        align-items: stretch;\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      .aobo-figure img {\n        width: 100%;\n      }\n    }\n  <\/style>\n\n  <div class=\"aobo-wrap\">\n    <header class=\"aobo-hero\">\n      <span class=\"aobo-eyebrow\">A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/span>\n      <h1>A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \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 650~675\u00b0C(1200~1250\u00b0F)\ub85c \uc608\uc5f4\ud55c \ud6c4 955~970\u00b0C(1750~1775\u00b0F)\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ucc98\ub9ac\ud558\uace0, \uacf5\ub7ad\ud55c \ub2e4\uc74c 205~230\u00b0C(400~450\u00b0F)\uc5d0\uc11c \uc774\uc911 \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074\uc744 \uac70\uccd0 \uc5f4\ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc81c\uc5b4\ub41c \uc870\uac74\uc5d0\uc11c \uc774 \uacf5\uc815\uc744 \ud1b5\ud574 \ub0b4\ub9c8\ubaa8\uc131, \uc778\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc774 \uade0\ud615 \uc788\uac8c \uc870\ud569\ub41c 58~62 HRC\uc758 \uc548\uc815\uc801\uc778 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <p>A2 \uc5f4\ucc98\ub9ac\ub294 \uc881\uc740 \uac00\uacf5 \uc628\ub3c4 \ubc94\uc704 \ub0b4\uc5d0\uc11c \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \uc778\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc744 \uc81c\uc5b4\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uacf5\uae30 \uacbd\ud654\ud615 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uac15\uc778 A2\ub294 \uc720\uacbd\ud654\ud615\uc774\ub098 \uc218\uacbd\ud654\ud615\uc5d0 \ube44\ud574 \ub2f4\uae08\uc9c8 \uc751\ub825\uc744 \uac10\uc18c\uc2dc\ud0a4\uc9c0\ub9cc, \uc628\ub3c4 \uc81c\uc5b4, \ub2e8\uba74 \ud06c\uae30 \ubc0f \ubcc0\ud0dc \uac70\ub3d9\uc5d0 \ubbfc\uac10\ud569\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>A2 \uc18c\uc7ac\ub97c \uc5f4\ucc98\ub9ac\ud560 \uc900\ube44\uac00 \ud544\uc694\ud558\uc2e0\uac00\uc694?<\/h2>\n          <p>\uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 \uc548\uc815\uc801\uc778 \uc870\uc131\uc73c\ub85c \uc608\uce21 \uac00\ub2a5\ud55c \uacbd\ud654 \ud2b9\uc131\uc744 \uc9c0\ub2cc \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c A2\uac15\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4. \ud544\uc694\ud55c \uac15\uc7ac \ud06c\uae30\uc640 \uc218\ub7c9\uc744 \ubcf4\ub0b4\uc8fc\uc2dc\uac70\ub098, \uc804\uccb4 \uc81c\ud488 \uc0ac\uc591\uc744 \ud655\uc778\ud574 \ubcf4\uc138\uc694.<\/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 \uc5f4\ucc98\ub9ac \uacf5\uc815 \uac04\ud3b8 \uc548\ub0b4\uc11c<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ub2e8\uacc4<\/th><th>\uc628\ub3c4<\/th><th>\uc2dc\uac04<\/th><th>\ubaa9\uc801<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uc608\uc5f4<\/td><td>1200-1250\u00b0F (650-675\u00b0C)<\/td><td>\ub3d9\ub4f1\ud574\uc9c8 \ub54c\uae4c\uc9c0<\/td><td>\uc628\ub3c4 \uad6c\ubc30\ub97c \uc904\uc774\uc138\uc694<\/td><\/tr>\n            <tr><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654<\/td><td>1750-1775\u00b0F (955-970\u00b0C)<\/td><td>\uc778\uce58\ub2f9 \uc57d 1\uc2dc\uac04 \uc18c\uc694<\/td><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ud615\uc131<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8<\/td><td>\uae30\uc628\uc744 \uc57d 150\u00b0F(65\u00b0C)\uae4c\uc9c0 \ub0ae\ucda5\ub2c8\ub2e4.<\/td><td>\u2013<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ud615\uc131<\/td><\/tr>\n            <tr><td>\uccab \ubc88\uc9f8 \uae30\uc9c8<\/td><td>400-450\u00b0F (205-230\u00b0C)<\/td><td>\uc778\uce58\ub2f9 2\uc2dc\uac04<\/td><td>\uc2a4\ud2b8\ub808\uc2a4\ub97c \ud574\uc18c\ud558\uc138\uc694<\/td><\/tr>\n            <tr><td>\ub450 \ubc88\uc9f8 \uc628\ub3c4<\/td><td>\uc57d\uac04 \ub354 \ub0ae\uc74c(~\uc12d\uc528 15\ub3c4\/\ud654\uc528 25\ub3c4)<\/td><td>\uc778\uce58\ub2f9 2\uc2dc\uac04<\/td><td>\uad6c\uc870\ub97c \uc548\uc815\ud654\ud558\ub2e4<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uacf5\uc815 \ub2e8\uacc4\ubcc4 \uc548\ub0b4<\/h2>\n      <h3>1. \uc608\uc5f4<\/h3>\n      <p>1200~1250\u00b0F\ub85c \uc608\uc5f4\ud558\uba74 \uade0\uc77c\ud55c \uc628\ub3c4 \ubd84\ud3ec\uac00 \ubcf4\uc7a5\ub418\uace0 \ubcc0\ud0dc \uc804\uc5d0 \ub0b4\ubd80 \uc751\ub825\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4. \uc608\uc5f4\uc774 \ubd88\ucda9\ubd84\ud558\uba74 \ubcc0\ud615 \ubc0f \uade0\uc5f4 \uc704\ud5d8\uc774 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n      <h3>2. \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654<\/h3>\n      <p>1750~1775\u00b0F(880~800\u00b0C)\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ucc98\ub9ac\ub97c \ud558\uba74 \uad6c\uc870\uac00 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub85c \ubcc0\ud658\ub418\uace0 \ud569\uae08 \ud0c4\ud654\ubb3c\uc774 \ubd80\ubd84\uc801\uc73c\ub85c \uc6a9\ud574\ub429\ub2c8\ub2e4. \uc720\uc9c0 \uc2dc\uac04\uc740 \ub2e8\uba74 \ub450\uaed8\uc5d0 \ub530\ub77c \ub2e4\ub974\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ubd80\ud488\uc774 \uc6a9\uad11\ub85c \ucd5c\uace0 \uc628\ub3c4\uc5d0 \ub3c4\ub2ec\ud55c \ud6c4 \uc778\uce58\ub2f9 \uc57d 1\uc2dc\uac04 \uc815\ub3c4\uc785\ub2c8\ub2e4. \uc628\ub3c4\uac00 \ub108\ubb34 \ub192\uc73c\uba74 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uc99d\uac00\ud558\uace0 \uacbd\ub3c4 \uc548\uc815\uc131\uc774 \uc800\ud558\ub418\uba70, \uc628\ub3c4\uac00 \ub108\ubb34 \ub0ae\uc73c\uba74 \uacbd\ud654\uac00 \ubd88\uc644\uc804\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n      <h3>3. \ub2f4\uae08\uc9c8<\/h3>\n      <p>\ub2f4\uae08\uc9c8\uc740 \uc815\uc9c0\ub41c \uacf5\uae30 \ub610\ub294 \uc81c\uc5b4\ub41c \uac00\uc2a4 \ubd84\uc704\uae30\uc5d0\uc11c \uc218\ud589\ub429\ub2c8\ub2e4. \ubd80\ud488\uc740 \ud15c\ud37c\ub9c1 \uc804\uc5d0 \uc57d 150\u00b0F(65\u00b0C)\uae4c\uc9c0 \ub0c9\uac01\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc9c1\uacbd\uc774 \uc57d 5\uc778\uce58(127mm) \uc774\uc0c1\uc778 \ubd80\ubd84\uc758 \uacbd\uc6b0, \uacf5\ub7ad\uc73c\ub85c\ub294 \uc911\uc2ec\ubd80\uc758 \uc644\uc804\ud55c \uacbd\ub3c4\ub97c \uc5bb\uc9c0 \ubabb\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \ub2e4\ub978 \ub0c9\uac01 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n      <figure class=\"aobo-figure\">\n        <img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/A2-Isothermal-Transformation-Diagram.avif\" alt=\"A2 \ub4f1\uc628 \ubcc0\ud658 \ub2e4\uc774\uc5b4\uadf8\ub7a8\">\n        <figcaption>A2: \ub4f1\uc628 \ubcc0\ud0dc \ub2e4\uc774\uc5b4\uadf8\ub7a8. 0.97\u00b0C, 0.48 Mn, 0.40 Si, 4.58 Cr, 1.04 Mo, 0.25 V. \uc774\uc804 \uc0c1\ud0dc: \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac. \uc624\uc2a4\ud14c\ub098\uc774\uc9d5 \uc628\ub3c4: 1010\u00b0C (1850\u00b0F). \uadf8\ub9bc \ucd9c\ucc98: Heat Treater&#039;s Guide: Practices and Procedures for Irons and Steels, ASM International, 1995, p. 545.<\/figcaption>\n      <\/figure>\n\n      <h3>4. \ub2f4\uae08\uc9c8<\/h3>\n      <p>\ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub97c \ud569\ub2c8\ub2e4. 400~450\u00b0F(204~232\u00b0C)\uc5d0\uc11c 1\ucc28 \ud15c\ud37c\ub9c1\uc744 \ud1b5\ud574 \ub0b4\ubd80 \uc751\ub825\uc744 \uac10\uc18c\uc2dc\ud0a4\uace0 \uacbd\ub3c4\ub97c \uc870\uc808\ud569\ub2c8\ub2e4. \ub0c9\uac01 \ud6c4\uc5d0\ub294 \uad6c\uc870\ub97c \uc548\uc815\ud654\ud558\uace0 \uc0ac\uc6a9 \uc911 \uade0\uc5f4 \ubc1c\uc0dd\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 2\ucc28 \ud15c\ud37c\ub9c1\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n      <h3>5. \uc120\ud0dd \uc0ac\ud56d: \uadf9\uc800\uc628\/\uc800\uc628 \ucc98\ub9ac<\/h3>\n      <p>\uce58\uc218 \uc548\uc815\uc131\uacfc \uacbd\ub3c4 \uade0\uc77c\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \ub2f4\uae08\uc9c8 \ud6c4 \uadf9\uc800\uc628 \ub610\ub294 \uc800\uc628 \ucc98\ub9ac\ub97c \uc801\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ucc98\ub9ac\ub294 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud658\uc2dc\ud0a4\uba70, \ubc18\ub4dc\uc2dc \ud15c\ud37c\ub9c1 \ucc98\ub9ac\uac00 \ub4a4\ub530\ub77c\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uacbd\ub3c4 \ubc0f \ud15c\ud37c\ub9c1<\/h2>\n      <p>A2 \uacf5\uad6c\uac15\uc740 \ub2f4\uae08\uc9c8 \ud6c4 \uc57d 64~65 HRC\uc758 \ub2f4\uae08\uc9c8 \uacbd\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc2e4\uc81c \uc0ac\uc6a9 \uc131\ub2a5\uc740 \uc120\ud0dd\ub41c \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ud15c\ud37c\ub9c1 \ubc94\uc704<\/th><th>\uc77c\ubc18\uc801\uc778 \uacbd\ub3c4<\/th><th>\uc2e4\uc6a9\uc801\uc778 \uc6a9\ub3c4<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>250-400\u00b0F (120-200\u00b0C)<\/td><td>60-63 HRC<\/td><td>\ucd5c\ub300 \ub0b4\ub9c8\ubaa8\uc131<\/td><\/tr>\n            <tr><td>400-450\u00b0F (205-230\u00b0C)<\/td><td>58-62 HRC<\/td><td>\ud45c\uc900 \ub0c9\uac04 \uac00\uacf5 \uc801\uc6a9<\/td><\/tr>\n            <tr><td>\uc57d 500\u00b0F (260\u00b0C)<\/td><td>\uac10\uc18c\ud558\ub294<\/td><td>(\ucde8\uc131 \uc704\ud5d8)\uc744 \ud53c\ud558\uc2ed\uc2dc\uc624<\/td><\/tr>\n            <tr><td>950-1000\u00b0F (510-540\u00b0C)<\/td><td>56-57 HRC<\/td><td>\ud5a5\uc0c1\ub41c \ub0b4\uad6c\uc131\uacfc \uc548\uc815\uc131<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac \ud6c4 \uacbd\ub3c4<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc5f4\ucc98\ub9ac \ub2e8\uacc4<\/th><th>\uc77c\ubc18\uc801\uc778 \uacbd\ub3c4<\/th><th>\uc2e4\uc9c8\uc801\uc778 \uc758\ubbf8<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uc5b4\ub2d0\ub9c1 \uc870\uac74<\/td><td>201-241 HB<\/td><td>\uac00\uacf5 \uc870\uac74<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8 \uc0c1\ud0dc<\/td><td>64-65 HRC<\/td><td>\uc11c\ube44\uc2a4\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc74c<\/td><\/tr>\n            <tr><td>\ud45c\uc900 \uc5f4\ucc98\ub9ac \uc870\uac74<\/td><td>58-62 HRC<\/td><td>\uc77c\ubc18\uc801\uc778 \uc791\uc5c5 \uacbd\ub3c4<\/td><\/tr>\n            <tr><td>\uc57d 400\u00b0F(205\u00b0C)\uc5d0\uc11c \uc5f4\ucc98\ub9ac\ud568<\/td><td>60-61 HRC<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uc5d0 \uc911\uc810\uc744 \ub460<\/td><\/tr>\n            <tr><td>950~1000\u00b0F(510~540\u00b0C)\uc5d0\uc11c \uc5f4\ucc98\ub9ac\ud568<\/td><td>53-57 HRC<\/td><td>\uac15\uc778\ud568\uc5d0 \uc9d1\uc911<\/td><\/tr>\n            <tr><td>\uadf9\uc800\uc628 \ucc98\ub9ac + \uc5f4\ucc98\ub9ac<\/td><td>61-62 HRC<\/td><td>\uc548\uc815\uc131 \ud5a5\uc0c1<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>A2\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \ub0ae\uc744\uc218\ub85d \ub0b4\ub9c8\ubaa8\uc131\uc774 \ud5a5\uc0c1\ub418\uace0, \uc628\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uc778\uc131\uacfc \uce58\uc218 \uc548\uc815\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n\n      <h2>A2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac (\uc801\uc6a9 \ubd84\uc57c\ubcc4)<\/h2>\n      <p>A2 \uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac \uc120\ud0dd\uc740 \ucd5c\ub300 \uacbd\ub3c4\ubcf4\ub2e4\ub294 \uc8fc\uc694 \ud30c\uc190 \ubaa8\ub4dc\ub97c \uae30\uc900\uc73c\ub85c \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc751\uc6a9 \ubd84\uc57c \ucd08\uc810<\/th><th>\uc77c\ubc18\uc801\uc778 \ub3c4\uad6c<\/th><th>\uc5f4\ucc98\ub9ac \uc804\ub7b5<\/th><th>\uacb0\uacfc\uc801\uc778 \uacbd\ub3c4<\/th><th>\uc8fc\uc694 \uacb0\uacfc<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\ucd5c\ub300 \ub0b4\ub9c8\ubaa8\uc131<\/td><td>\ube14\ub7ad\ud0b9 \ub2e4\uc774, \uc804\ub2e8 \ube14\ub808\uc774\ub4dc, \uc2ac\ub9ac\ud130 \ub098\uc774\ud504<\/td><td>\uc800\uc628 \uc774\uc911 \uc5f4\ucc98\ub9ac(~400\u00b0F \/ 205\u00b0C)<\/td><td>60-62 HRC<\/td><td>\ucd5c\ub300\uc758 \uc5e3\uc9c0 \uc720\uc9c0\ub825<\/td><\/tr>\n            <tr><td>\uade0\ud615 \uc7a1\ud78c \ub0b4\ub9c8\ubaa8\uc131\uacfc \uc778\uc131<\/td><td>\ud380\uce58, \uc131\ud615 \ub3c4\uad6c<\/td><td>\uc81c\uc5b4\ub41c \ud15c\ud37c\ub9c1<\/td><td>58-60 HRC<\/td><td>\uce69\ud551 \uac10\uc18c<\/td><\/tr>\n            <tr><td>\ucd5c\ub300\uc758 \ub0b4\uad6c\uc131<\/td><td>\ucda9\uaca9 \ud558\uc911 \uacf5\uad6c<\/td><td>\uace0\uc628 \ud15c\ud37c\ub9c1<\/td><td>56-58 HRC<\/td><td>\ud5a5\uc0c1\ub41c \ud30c\uad34 \uc800\ud56d\uc131<\/td><\/tr>\n            <tr><td>\uce58\uc218 \uc548\uc815\uc131<\/td><td>\uc815\ubc00 \uacf5\uad6c, \uac8c\uc774\uc9c0<\/td><td>\uadf9\uc800\uc628 + \uc5f4\ucc98\ub9ac<\/td><td>60-62 HRC<\/td><td>\uc548\uc815\uc801\uc778 \ud06c\uae30 \uc870\uc808<\/td><\/tr>\n            <tr><td>\ud45c\uba74 \ub9c8\ubaa8 \uc800\ud56d<\/td><td>\uc5f0\ub9c8\uc7ac \uc801\uc6a9<\/td><td>\uc9c8\ud654<\/td><td>\ud45c\uba74 &gt; \ucf54\uc5b4<\/td><td>\ud5a5\uc0c1\ub41c \ud45c\uba74 \uc218\uba85<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <h2>A2 \uacf5\uad6c\uac15\uc758 \uc77c\ubc18\uc801\uc778 \uc5f4\ucc98\ub9ac \ubb38\uc81c \ubc0f \ud574\uacb0\ucc45<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ubb38\uc81c<\/th><th>\uadfc\ubcf8 \uc6d0\uc778<\/th><th>\uc2e4\uc6a9\uc801\uc778 \ud574\uacb0\ucc45<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uacfc\ub3c4\ud55c \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \/ \ubd88\uc548\uc815\ud55c \uacbd\ub3c4<\/td><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uacfc\uc815 \uc911 \uacfc\uc5f4<\/td><td>\uc628\ub3c4\ub97c \uc81c\uc5b4\ud558\uace0, \ud544\uc694\ud55c \uacbd\uc6b0 \uadf9\uc800\uc628 \ucc98\ub9ac\ub97c \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8 \ud6c4 \uc9c0\uc5f0 \uade0\uc5f4<\/td><td>\uace0\uc751\ub825 \ud558\uc758 \ubbf8\uacbd\ud654 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8<\/td><td>\uc989\uc2dc \uc57d 150\u00b0F(\uc12d\uc528 \uc57d 66\ub3c4)\uc5d0\uc11c \ud15c\ud37c\ub9c1\uc744 \uc2dc\uc791\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr>\n            <tr><td>\ucde8\uc131<\/td><td>\uc57d 500\u00b0F(260\u00b0C)\uc5d0\uc11c\uc758 \uc5f4\ucc98\ub9ac<\/td><td>\uc774 \ubc94\uc704\ub97c \ud53c\ud558\uace0 \uc774\uc911 \uc5f4\ucc98\ub9ac\ub97c \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr>\n            <tr><td>\ud45c\uba74 \uc5f0\ud654 \ub610\ub294 \ucde8\uc131<\/td><td>\uc5f4\uc545\ud55c \uc6a9\uad11\ub85c \ubd84\uc704\uae30<\/td><td>\uc81c\uc5b4\ub41c \ud658\uacbd\uc5d0\uc11c \uc791\uc5c5\ud558\uace0, \uc624\uc5fc\ub41c \uce35\uc744 \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr>\n            <tr><td>\ubcc0\ud615 \ub610\ub294 \ubd88\uade0\uc77c\ud55c \uacbd\ub3c4<\/td><td>\ubd88\uade0\uc77c\ud55c \uac00\uc5f4 \ub610\ub294 \ud070 \ub2e8\uba74 \ud06c\uae30<\/td><td>\uc801\uc808\ud55c \uc608\uc5f4; \uc81c\uc5b4\ub41c \uac00\uc5f4 \ubc0f \ub0c9\uac01<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\uc548\uc815\uc801\uc778 A2 \uc5f4\ucc98\ub9ac\ub294 \uc77c\uad00\ub41c \uc628\ub3c4 \uc81c\uc5b4, \uade0\uc77c\ud55c \uac00\uc5f4, \uadf8\ub9ac\uace0 \ub2f4\uae08\uc9c8\uacfc \ud15c\ud37c\ub9c1\uc758 \uc801\uc808\ud55c \uc21c\uc11c\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \uc815\ubc00 \ubd80\ud488\uc758 \uacbd\uc6b0 \uacbd\ud654 \uc804 \uc751\ub825 \uc81c\uac70\uac00 \uad8c\uc7a5\ub418\uba70, \ud45c\uba74 \uc190\uc0c1\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc81c\uc5b4\ub41c \ubd84\uc704\uae30\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ub300\ud615 \ub2e8\uba74\uc758 \uacbd\uc6b0 \uade0\uc77c\ud55c \uacbd\ub3c4 \ubd84\ud3ec\ub97c \ud655\ubcf4\ud558\uae30 \uc704\ud574 \ud2b9\ubcc4\ud55c \uc8fc\uc758\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n      <p>A2 \uacf5\uad6c\uac15\uc740 \ub2e8\uba74 \ud06c\uae30, \uc628\ub3c4 \ubbfc\uac10\ub3c4 \ubc0f \uc548\uc815\uc131\uacfc \uad00\ub828\ub41c \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub2e8\uba74\uc801\uc774 \ud070 \uacbd\uc6b0 \uacf5\uae30 \uc911\uc5d0\uc11c \uc644\uc804\ud788 \uacbd\ud654\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc73c\uba70, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ub294 \uc881\uc740 \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc81c\uc5b4\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uace0\uc628\uc5d0\uc11c\uc758 \ud45c\uba74 \ubc18\uc751\uc5d0\ub294 \uc81c\uc5b4\ub41c \ubd84\uc704\uae30\uac00 \ud544\uc694\ud558\uba70, \ubd80\uc801\uc808\ud55c \ud15c\ud37c\ub9c1\uc740 \uc778\uc131\uc774\ub098 \uc548\uc815\uc131\uc744 \uc800\ud558\uc2dc\ud0ac \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-hardness\/\">\n          <strong>A2 \uacf5\uad6c\uac15 \uacbd\ub3c4\ud45c<\/strong>\n          <span>\uc870\uac74 \ubc0f \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0 \ub530\ub978 HRC \uac12\uacfc \uac01 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c \uc6a9\ub3c4\uc5d0 \uad8c\uc7a5\ub418\ub294 \uc791\uc5c5 \uacbd\ub3c4\uac00 \ud568\uaed8 \uc81c\uc2dc\ub429\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>\uc815\ubc00 \uc5f4\ucc98\ub9ac\ub41c 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 \uc5f4\ucc98\ub9ac \uc694\uad6c \uc0ac\ud56d\uc744 \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624. Aobo Steel\uc740 \uace0\uac1d\uc758 \uacf5\uad6c \uc870\uac74\uc5d0 \ub9de\ub294 A2 \uacf5\uae09 \ubc0f \uac00\uacf5 \ubaa9\ud45c\ub97c \ub2ec\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n      <\/div>\n      <div class=\"aobo-cta-buttons\">\n        <a class=\"aobo-btn aobo-btn-detail\" href=\"https:\/\/aobosteel.com\/ko\/a2-tool-steel\/\">A2 \uacf5\uad6c\uac15 \uc0c1\uc138 \uc815\ubcf4 \ubcf4\uae30<\/a>\n        <a class=\"aobo-btn popmake-16052\" href=\"javascript:void(0);\">\ubb38\uc758 \ubcf4\ub0b4\uae30<\/a>\n      <\/div>\n    <\/section>\n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>A2 Tool Steel Heat Treatment Guide A2 Tool Steel Heat Treatment Guide A2 tool steel is typically heat-treated by preheating to 1200-1250F (650-675C), austenitizing at 1750-1775F (955-970C), air quenching, and a double-tempering cycle at 400-450F (205-230C). Under controlled conditions, this process produces a stable working hardness of 58-62 HRC with a balanced combination of wear [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15096,"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-11648","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 Heat Treatment: 1750\u00b0F, 58\u201362 HRC | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Austenitize at 1750\u20131775\u00b0F, air-quench, double-temper at 400\u2013450\u00b0F. 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