{"id":14770,"date":"2026-04-22T10:10:05","date_gmt":"2026-04-22T02:10:05","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=14770"},"modified":"2026-06-25T10:09:31","modified_gmt":"2026-06-25T02:09:31","slug":"440c-stainless-steel-properties","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/440c-stainless-steel-properties\/","title":{"rendered":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud2b9\uc131, \uad6c\uc131, \uacbd\ub3c4, \uae30\uacc4\uc801 \ud2b9\uc131 \ubc0f \uc6a9\ub3c4"},"content":{"rendered":"<section class=\"aobo-440c-properties-page\">\n  <style>\n    .aobo-440c-properties-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      --aobo-page-width: 1180px;\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-440c-properties-page * {\n      box-sizing: border-box;\n    }\n\n    .aobo-wrap {\n      max-width: var(--aobo-page-width);\n      margin: 0 auto;\n      padding: 0;\n    }\n\n    .aobo-hero {\n      background: linear-gradient(135deg, #ffffff 0%, #f7fbff 58%, #eaf2ff 100%);\n      border: 1px solid var(--aobo-border);\n      border-radius: 26px;\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: 100%;\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: var(--aobo-page-width);\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      width: 100%;\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    .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-btn {\n      display: inline-flex;\n      align-items: center;\n      justify-content: center;\n      min-height: 42px;\n      padding: 10px 18px;\n      border-radius: 999px;\n      text-align: center;\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-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:last-child {\n      margin-bottom: 0;\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-top: 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-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      background: #fff7ed;\n      color: var(--aobo-blue-dark) !important;\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-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-final-cta {\n        padding: 26px 22px;\n      }\n\n      .aobo-related-pages {\n        padding: 24px 20px;\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\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud2b9\uc131<\/span>\n      <h1>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud2b9\uc131<\/h1>\n      <p>440C\ub294 \ub0b4\uc2dd\uac15 \uc911 \ucd5c\uace0\uc758 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc744 \uc704\ud574 \uc124\uacc4\ub41c \uace0\ud0c4\uc18c, \uace0\ud06c\ub86c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc785\ub2c8\ub2e4. \uc801\uc808\ud55c \uc5f4\ucc98\ub9ac\ub97c \uac70\uce58\uba74 \ucd5c\ub300 60 HRC\uc758 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc73c\uba70, \uc77c\ubc18\uc801\uc73c\ub85c 57~60 HRC\uc5d0\uc11c \uc0ac\uc6a9\ub418\uc5b4 \uc811\ucd09 \ud558\uc911 \ud558\uc5d0\uc11c \ub9c8\ubaa8, \ubaa8\uc11c\ub9ac \ub9c8\ubaa8 \ubc0f \ud45c\uba74 \ubcc0\ud615\uc5d0 \ub300\ud55c \uac15\ub825\ud55c \uc800\ud56d\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n      <p>\ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\ub2e4\ub294 \uac83\uc740 \uc5f0\uc131\uc774 \ub0ae\uace0 \ucda9\uaca9 \uc778\uc131\uc774 \uc81c\ud55c\uc801\uc774\ub77c\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c 440C\ub294 \uc548\uc815\uc801\uc778 \ud558\uc911\uc744 \ubc1b\ub294 \ub9c8\ubaa8\uac00 \uc2ec\ud55c \ubd80\ud488\uc5d0 \uc801\ud569\ud55c \uc18c\uc7ac\uc774\uba70, \ucda9\uaca9 \ud558\uc911\uc744 \ubc1b\uac70\ub098 \uad6c\uc870\uc6a9\uc73c\ub85c\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774 \ud398\uc774\uc9c0\uc758 \ubaa8\ub4e0 \ub0b4\uc6a9\uc740 \uc774\ub7ec\ud55c \uc0c1\ucda9 \uad00\uacc4\uc5d0\uc11c \ube44\ub86f\ub418\ubbc0\ub85c, \uac01 \ud2b9\uc131\uc744 \uc7a5\uc810\uc758 \ubaa9\ub85d\uc73c\ub85c \ubcf4\uae30\ubcf4\ub2e4\ub294 \uade0\ud615\uc810\uc73c\ub85c \uc774\ud574\ud558\ub294 \uac83\uc774 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n    <\/header>\n\n    <main class=\"aobo-article\">\n      <section class=\"aobo-supply-block\" aria-label=\"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\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\/2026\/04\/440C.avif\" alt=\"Aobo Steel\uc5d0\uc11c \uacf5\uae09\ud558\ub294 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\" loading=\"lazy\">\n        <\/div>\n        <div class=\"aobo-supply-content\">\n          <h2>440C \uc5f4\ucc98\ub9ac\ub41c \ubd09 \ub610\ub294 \ud310\uc7ac\uac00 \ud544\uc694\ud558\uc2e0\uac00\uc694?<\/h2>\n          <p>\uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 \uc0b0\uc5c5 \uaddc\uaca9\uc5d0 \ub9de\ub294 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \ubcf4\uc720\ud558\uace0 \uc788\uc73c\uba70, \uac00\uacf5 \ubc0f \uc5f4\ucc98\ub9ac \uc900\ube44\uac00 \uc644\ub8cc\ub41c \uc0c1\ud0dc\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. \uacac\uc801\uc744 \uc6d0\ud558\uc2dc\uba74 \ud544\uc694\ud55c \uc0ac\uc774\uc988\ub97c \ubcf4\ub0b4\uc8fc\uc2dc\uac70\ub098, \uba3c\uc800 \ub2f9\uc0ac\uc758 \ud45c\uc900 \uacf5\uae09 \ubc94\uc704\ub97c \ud655\uc778\ud574 \ubcf4\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\/440c-stainless-steel\/\">440C \uacf5\uae09 \uc138\ubd80 \uc815\ubcf4 \ubcf4\uae30<\/a>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <h2>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud654\ud559\uc801 \uc870\uc131<\/h2>\n      <p>440C(UNS S44004)\uc758 \uc870\uc131\uc740 \uacbd\ud654\uc131, \ud0c4\ud654\ubb3c \ud615\uc131 \ubc0f \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ub0b4\uc2dd\uc131\uc758 \uade0\ud615\uc744 \uc774\ub8e8\ub3c4\ub85d \uc124\uc815\ub429\ub2c8\ub2e4.<\/p>\n      <p>\uc77c\ubc18\uc801\uc778 \uc870\uc131(wt%):<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc694\uc18c<\/th><th>\ucf58\ud150\uce20(%)<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\ud0c4\uc18c(C)<\/td><td>0.95\uc5d0\uc11c 1.20\uae4c\uc9c0<\/td><\/tr>\n            <tr><td>\ud06c\ub86c(Cr)<\/td><td>16:00\ubd80\ud130 18:00\uae4c\uc9c0<\/td><\/tr>\n            <tr><td>\ubab0\ub9ac\ube0c\ub374(Mo)<\/td><td>\ucd5c\ub300 0.75<\/td><\/tr>\n            <tr><td>\ub9dd\uac04(Mn)<\/td><td>\ucd5c\ub300 1.00<\/td><\/tr>\n            <tr><td>\uc2e4\ub9ac\ucf58(Si)<\/td><td>\ucd5c\ub300 1.00<\/td><\/tr>\n            <tr><td>\uc778(P)<\/td><td>\ucd5c\ub300 0.040<\/td><\/tr>\n            <tr><td>\ud669(S)<\/td><td>\ucd5c\ub300 0.030<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\ub192\uc740 \ud0c4\uc18c \ubc0f \ud06c\ub86c \ud568\ub7c9\uc73c\ub85c \uc778\ud574 \ub2e4\ub7c9\uc758 \ud06c\ub86c\uc774 \ud48d\ubd80\ud55c \ud0c4\ud654\ubb3c\uc744 \ud568\uc720\ud558\ub294 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uae30\uc9c0\uac00 \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad6c\uc870\ub294 \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uc555\ucd95 \uac15\ub3c4\uc758 \uc6d0\uc778\uc774 \ub418\uc9c0\ub9cc, \uc778\uc131\uc774 \ub0ae\uc740 \uc774\uc720\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \ud0c4\ud654\ubb3c \uad6c\uc870\ub97c \ud1b5\ud574 \ub098\uba38\uc9c0 \ud2b9\uc131\ub4e4\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 440C\ub97c \uac00\uc7a5 \ube60\ub974\uac8c \ud30c\uc545\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n      <h2>440A, 440B, 440C: \ud0c4\uc18c\uac15\uc774 \uac15\uc131\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h2>\n      <p>440 \uacc4\uc5f4 \uac15\ucca0\uc740 \ud06c\ub86c\uc744 \uae30\ubcf8 \uc7ac\ub8cc\ub85c \uc0ac\uc6a9\ud558\uba70, \uc8fc\ub85c \ud0c4\uc18c \ud568\ub7c9\uc5d0 \ub530\ub77c \uad6c\ubd84\ub429\ub2c8\ub2e4. \ud0c4\uc18c \ud568\ub7c9\uc740 \uac15\ucca0\uc758 \uacbd\ub3c4\ub97c \uacb0\uc815\ud558\uace0, \uc778\uc131\uc744 \uc5bc\ub9c8\ub098 \ud76c\uc0dd\ud558\ub294\uc9c0\ub97c \uc88c\uc6b0\ud569\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ub4f1\uae09<\/th><th>\ud0c4\uc18c(%)<\/th><th>\ucd5c\ub300 \uacbd\ub3c4<\/th><th>\ub0b4\ub9c8\ubaa8\uc131<\/th><th>\uc0c1\ub300\uc801 \uc778\uc131<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>440A<\/td><td>0.60\uc5d0\uc11c 0.75\uae4c\uc9c0<\/td><td>56 HRC<\/td><td>\uc911\uac04<\/td><td>\ub354 \ub192\uc740<\/td><\/tr>\n            <tr><td>440B<\/td><td>0.75\uc5d0\uc11c 0.95\uae4c\uc9c0<\/td><td>58 HRC<\/td><td>\uc911\uc0c1\uae09<\/td><td>\uc911\uac04<\/td><\/tr>\n            <tr><td>440\ub3c4<\/td><td>0.95\uc5d0\uc11c 1.20\uae4c\uc9c0<\/td><td>60 HRC<\/td><td>\ub192\uc740<\/td><td>\ub0ae\ucd94\ub2e4<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\ud0c4\uc18c \ud568\ub7c9\uc774 \uc99d\uac00\ud558\uba74 \ud06c\ub86c\uc774 \ud48d\ubd80\ud55c \ud0c4\ud654\ubb3c\uc774 \ud615\uc131\ub418\uc5b4 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc740 \ud5a5\uc0c1\ub418\uc9c0\ub9cc \uc5f0\uc131\uacfc \ucda9\uaca9 \uac15\ub3c4\ub294 \uac10\uc18c\ud569\ub2c8\ub2e4. 440A\ub294 \ub0b4\uc2dd\uc131\uacfc \uc778\uc131\uc774 \ub0a0 \uc218\uba85\ubcf4\ub2e4 \ub354 \uc911\uc694\ud560 \ub54c \uc120\ud0dd\ud558\ub294 \uc7ac\uc9c8\uc785\ub2c8\ub2e4. 440C\ub294 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc774 \uc6b0\uc120\uc774\uace0 \uc778\uc131\uc740 \uc5b4\ub290 \uc815\ub3c4 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc124\uacc4\uac00 \uac00\ub2a5\ud560 \ub54c \uc120\ud0dd\ud558\ub294 \uc7ac\uc9c8\uc785\ub2c8\ub2e4. 440B\ub294 \uc774 \ub450 \uc7ac\uc9c8\uc758 \uc911\uac04 \uc815\ub3c4\uc758 \ud2b9\uc131\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/p>\n\n      <h2>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub3d9\ub4f1 \ub4f1\uae09<\/h2>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ud45c\uc900 \uc2dc\uc2a4\ud15c<\/th><th>\uc9c0\uc815<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>AISI\/SAE<\/td><td>440C \/ 51440C<\/td><\/tr>\n            <tr><td>\uc720\uc5d4<\/td><td>S44004<\/td><\/tr>\n            <tr><td>\uc601\uc5b4\/\ub3c5\uc77c\uc5b4<\/td><td>1.4125<\/td><\/tr>\n            <tr><td>\uc601\uc5b4 \uc774\ub984<\/td><td>X105CrMo17<\/td><\/tr>\n            <tr><td>ASTM<\/td><td>A276 (\ub9c9\ub300\uc640 \ub3c4\ud615)<\/td><\/tr>\n            <tr><td>\ubd84\ub9d0\uc57c\uae08<\/td><td>MIM 440C<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>EN \ub4f1\uae09 1.4125(X105CrMo17)\ub294 \ud0c4\uc18c \ud568\ub7c9 \ubc94\uc704\uac00 \ub300\ub7b5 0.95~1.20%\uc774\uace0 \ud06c\ub86c \ud568\ub7c9 \ubc94\uc704\uac00 16~18%\uc778 AISI 440C\uc640 \uac00\uc7a5 \uc720\uc0ac\ud55c \uc720\ub7fd \uaddc\uaca9\uc785\ub2c8\ub2e4.<\/p>\n\n      <h2>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n      <p>440C\uac15\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac \ud6c4 \uacbd\ud654 \ucc98\ub9ac\uae4c\uc9c0 \uae09\uaca9\ud55c \ubcc0\ud654\ub97c \ubcf4\uc785\ub2c8\ub2e4. \uc2e4\uc81c\ub85c\ub294 \uac00\uacf5\uc744 \uc704\ud574 \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ub41c \ud6c4, \ucd5c\uc885 \uc131\ub2a5\uc744 \uc5bb\uae30 \uc704\ud574 \uc5f4\ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc7ac\uc0b0<\/th><th>\uc5b4\ub2d0\ub9c1 \uc870\uac74<\/th><th>\uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uacbd\ub3c4<\/td><td>\uc57d 230 HB (\ucd5c\ub300 270 HB)<\/td><td>57~60 HRC<\/td><\/tr>\n            <tr><td>\uc778\uc7a5 \uac15\ub3c4<\/td><td>\uc57d 758 MPa<\/td><td>\uc57d 1970 MPa<\/td><\/tr>\n            <tr><td>\ud56d\ubcf5 \uac15\ub3c4<\/td><td>\uc57d 430~450 MPa<\/td><td>\uc57d 1896~1900 MPa<\/td><\/tr>\n            <tr><td>\uc5f0\uc7a5<\/td><td>13\uc5d0\uc11c 14%\uae4c\uc9c0<\/td><td>2%\uc5d0 \ub300\ud558\uc5ec<\/td><\/tr>\n            <tr><td>\uba74\uc801 \uac10\uc18c<\/td><td>\uc57d 25%<\/td><td>10%\uc5d0 \ub300\ud558\uc5ec<\/td><\/tr>\n            <tr><td>\uc778\uc131(\uc0e4\ub974\ud53c V-\ub178\uce58 \uc2dc\ud5d8)<\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ubcf4\uace0\ub418\uc9c0 \uc54a\uc74c<\/td><td>3~5 \ud53c\ud2b8\u00b7\ud30c\uc6b4\ub4dcf<\/td><\/tr>\n            <tr><td>\uac00\uacf5\uc131<\/td><td>\uc57d 40% (AISI 1212 \ub300\ube44)<\/td><td>\ub9e4\uc6b0 \uc5f4\uc545\ud568<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\ud0c4\uc131 \uacc4\uc218\ub294 \uc57d 200 GPa\ub85c \ub300\ubd80\ubd84\uc758 \uac15\uc7ac\uc640 \uc720\uc0ac\ud558\uba70 \uc120\ud0dd \uc694\uc18c\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac \ud6c4 \uc774 \uac15\uc7ac\ub294 \ub9e4\uc6b0 \ub192\uc740 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub97c \uc5bb\uc9c0\ub9cc \uc5f0\uc131\uacfc \ucda9\uaca9 \uc800\ud56d\uc131\uc740 \uac10\uc18c\ud569\ub2c8\ub2e4. 2% \uc5f0\uc2e0\uc728\uacfc \ub0ae\uc740 \uc0e4\ub974\ud53c \ucda9\uaca9\uac12\uc740 \uc720\uc758\ud574\uc57c \ud560 \uc218\uce58\uc785\ub2c8\ub2e4. 440C\ub294 \ud558\uc911\uc744 \uc798 \uacac\ub514\uc9c0\ub9cc \ud558\uc911\uc744 \uc7ac\ubd84\ubc30\ud558\uc9c0 \ubabb\ud558\ubbc0\ub85c \uacfc\ubd80\ud558 \ub610\ub294 \ucda9\uaca9 \uc2dc \ud30c\uc190\uc774 \uc810\uc9c4\uc801\uc774\uc9c0 \uc54a\uace0 \uae09\uaca9\ud558\uac8c \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n\n      <h2>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc5f4\ucc98\ub9ac \uac1c\uc694<\/h2>\n      <p>440C\uc758 \uc131\ub2a5\uc740 \uc5f4\ucc98\ub9ac\uc5d0 \ud06c\uac8c \uc88c\uc6b0\ub429\ub2c8\ub2e4. \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc740 \uc81c\uc5b4\ub41c \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1\uc744 \ud1b5\ud574 \uc5bb\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\ud504\ub85c\uc138\uc2a4<\/th><th>\uc628\ub3c4 \ubc94\uc704<\/th><th>\uc8fc\uc694 \ubaa9\uc801<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uac00\uc5f4 \ub0c9\uac01<\/td><td>845~900\u00b0C<\/td><td>\uac00\uacf5\uc744 \uc704\ud574 \uad6c\uc870\ub97c \ubd80\ub4dc\ub7fd\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc608\uc5f4<\/td><td>\uc57d 790\u00b0C (\ub300\ud615 \ubd80\ud488\uc758 \uacbd\uc6b0 \ub2e4\ub2e8\uacc4 \uacf5\uc815)<\/td><td>\uc5f4 \uc751\ub825 \ubc0f \ubcc0\ud615\uc744 \uc904\uc785\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654<\/td><td>1010~1065\u00b0C (\ucd5c\ub300 1095\u00b0C)<\/td><td>\ud0c4\ud654\ubb3c\uc744 \uc6a9\ud574\uc2dc\ud0a4\uace0 \uacbd\ud654\ub97c \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8<\/td><td>\uacf5\uae30 \ub610\ub294 \uae30\ub984<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \ud615\uc131\ud558\uace0 \uacbd\ub3c4\ub97c \uc5bb\uc2b5\ub2c8\ub2e4.<\/td><\/tr>\n            <tr><td>\uc601\ud558\uc758 \uce58\ub8cc<\/td><td>\uc57d -75\u00b0C \ub610\ub294 \uadf8 \uc774\ud558<\/td><td>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \uac10\uc18c\uc2dc\ud0a4\uc2ed\uc2dc\uc624.<\/td><\/tr>\n            <tr><td>\ub2f4\uae08\uc9c8<\/td><td>\uc57d 150~370\u00b0C (\uc77c\ubc18\uc801\uc73c\ub85c 315\u00b0C)<\/td><td>\uacbd\ub3c4\ub97c \uc870\uc808\ud558\uace0 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc644\ud654\ud558\uc138\uc694<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>\ud15c\ud37c\ub9c1 \uc628\ub3c4\ub294 \ucd5c\uc885 \uacb0\uacfc\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uc8fc\uc694 \uc81c\uc5b4 \ubcc0\uc218\uc785\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uac12\uacfc \ud15c\ud37c\ub9c1 \ud6c4 \uac12\uc758 \ucc28\uc774 \ubc0f \ubcf4\uace0\ub41c \uc218\uce58\uac00 \ub2ec\ub77c\uc9c0\ub294 \uc774\uc720\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/aobosteel.com\/ko\/440c-stainless-steel-hardened-hardness\/\">440C \uacbd\ud654 \uacbd\ub3c4 \ud398\uc774\uc9c0<\/a>.<\/p>\n\n      <h2>440C\uc758 \ud2b9\uc131\uc774 \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc740 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/h2>\n      <p>\uc8fc\uc694 \ud2b9\uc131\ub4e4\uc740 \ub9e5\ub77d \uc18d\uc5d0\uc11c\ub9cc \uc911\uc694\ud569\ub2c8\ub2e4. \uc2e4\uc81c \uc0ac\uc6a9 \ud658\uacbd\uc5d0\uc11c 440C\uc758 \uc131\ub2a5\uc740 \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \ub0b4\uc2dd\uc131 \ubc0f \uc778\uc131 \uac04\uc758 \uade0\ud615\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\ub4e4\uc740 \uc5b4\ub290 \ud558\ub098 \ub3c5\ub9bd\uc801\uc73c\ub85c \ud574\uc11d\ub420 \uc218 \uc5c6\ub294\ub370, \ub3d9\uc77c\ud55c \ud0c4\ud654\ubb3c \uad6c\uc870\uac00 \ud2b9\uc815 \ud2b9\uc131\uc744 \ub192\uc774\ub294 \ub3d9\uc2dc\uc5d0 \ub2e4\ub978 \ud2b9\uc131\uc740 \ub0ae\ucd94\ub294 \uacbd\uc6b0\uac00 \ub9ce\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n      <h3>\ub0b4\ub9c8\ubaa8\uc131<\/h3>\n      <p>440C\ub294 \ub2e8\ub2e8\ud55c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uae30\uc9c0\uc640 \ub2e4\ub7c9\uc758 \ud06c\ub86c \ud568\uc720 \ud0c4\ud654\ubb3c \ub355\ubd84\uc5d0 \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. 57~60 HRC\uc758 \uacbd\ub3c4\ub97c \uc9c0\ub2cc 440C\ub294 \uc811\ucc29 \ub9c8\ubaa8\uc640 \uc5f0\uc0ad \ub9c8\ubaa8 \ubaa8\ub450\uc5d0 \uac15\ud569\ub2c8\ub2e4. \ub2e8\ub2e8\ud55c \uae30\uc9c0\ub294 \ud45c\uba74 \ubcc0\ud615, \uc811\ucc29, \uae01\ud798 \ubc0f \ub9c8\ubaa8\ub97c \ubc29\uc9c0\ud558\uace0, \ud0c4\ud654\ubb3c\uc740 \uc2ac\ub77c\uc774\ub529 \ub610\ub294 \ub864\ub9c1 \uc811\ucd09 \uc2dc \uc808\uc0ad \ubc0f \uae01\ud798\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 440C\ub294 \ub300\ubd80\ubd84\uc758 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ubcf4\ub2e4 \ud45c\uba74\uacfc \ubaa8\uc11c\ub9ac\ub97c \ub354 \uc624\ub7ab\ub3d9\uc548 \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n      <p>\ud0c4\ud654\ubb3c \uc785\uc790\uac00 \ud55c\uacc4\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \ud0c4\ud654\ubb3c \uc785\uc790\uac00 \uc870\ub300\ud558\uac70\ub098 \ubd88\uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub418\uba74 \uad6d\ubd80\uc801\uc778 \uc751\ub825 \uc9c0\uc810\uc774 \ubc1c\uc0dd\ud558\uc5ec \ubc18\ubcf5\uc801\uc778 \uc811\ucd09\uc774\ub098 \uad6c\ub984 \uc811\ucd09 \uc2dc \ubbf8\uc138 \uade0\uc5f4\uc774 \uc2dc\uc791\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0c1\ud669\uc5d0\uc11c\ub294 \ud30c\uc190 \ubaa8\ub4dc\uac00 \uc9c0\uc18d\uc801\uc778 \ub9c8\ubaa8\uc5d0\uc11c \ud45c\uba74 \ud53c\ub85c\ub85c \ubc14\ub01d\ub2c8\ub2e4. \uadf9\uc800\uc628 \ucc98\ub9ac\ub294 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \uac10\uc18c\uc2dc\ucf1c \uce58\uc218 \uc548\uc815\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uc9c0\ub9cc, \uc774\ub7ec\ud55c \uba54\ucee4\ub2c8\uc998 \uc790\uccb4\ub97c \ubc14\uafb8\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. 440C\ub294 \uc548\uc815\uc801\uc778 \ud558\uc911 \uc870\uac74\uc5d0\uc11c\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\uc9c0\ub9cc, \uc811\ucd09 \ud53c\ub85c\uac00 \uc8fc\uc694 \uc6d0\uc778\uc77c \uacbd\uc6b0\uc5d0\ub294 \uc608\uce21 \uac00\ub2a5\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n      <h3>\ub0b4\uc2dd\uc131<\/h3>\n      <p>440C\ub294 \uc801\ub2f9\ud55c \ub0b4\uc2dd\uc131\uc744 \uc81c\uacf5\ud558\uba70 \ub300\uae30 \ub178\ucd9c, \uc724\ud65c \uc2dc\uc2a4\ud15c \ubc0f \uacbd\uacf5\uc5c5 \ud658\uacbd\uacfc \uac19\uc740 \uac00\ubcbc\uc6b4 \uc6a9\ub3c4\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ud55c\uacc4\ub294 \ub2e4\uc2dc \ud0c4\ud654\ubb3c\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \ud06c\ub86c\uc758 \uc77c\ubd80\ub294 \ud0c4\ud654\ubb3c\uc5d0 \uac07\ud600 \uc788\uc5b4 \uc218\ub3d9 \uc0b0\ud654\ub9c9\uc744 \ud615\uc131\ud560 \uc218 \uc5c6\uc73c\ubbc0\ub85c \ubcf4\ud638\ub9c9\uc774 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ubcf4\ub2e4 \uc57d\ud569\ub2c8\ub2e4.<\/p>\n      <p>\uc5f4\ucc98\ub9ac\ub85c \uc778\ud574 \uc774\ub7ec\ud55c \ud604\uc0c1\uc774 \ub354\uc6b1 \uc2ec\ud654\ub429\ub2c8\ub2e4. \ub192\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\ub294 \ub354 \ub9ce\uc740 \ud569\uae08 \uc131\ubd84\uc744 \uc6a9\uc561 \uc0c1\ud0dc\ub85c \ub9cc\ub4e4\uc5b4 \ub0b4\uc2dd\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc18\uba74, \ud15c\ud37c\ub9c1\uc740 \uad6d\ubd80\uc801\uc778 \uc870\uc131 \ubcc0\ud654\ub97c \ud1b5\ud574 \ub0b4\uc2dd\uc131\uc744 \uac10\uc18c\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uae30\uacc4\uc801 \uc131\ub2a5\uc744 \ucd5c\uc801\ud654\ud558\ub294 \uac83\uc740 \ub0b4\uc2dd\uc131\uc744 \ud76c\uc0dd\ud558\ub294 \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 440C\ub294 \uc5fc\ud654\ubb3c\uc774 \ud48d\ubd80\ud55c \ud658\uacbd, \ubd80\uc2dd\uc131\uc774 \uac15\ud55c \ud654\ud559 \ubb3c\uc9c8\uc774 \uc874\uc7ac\ud558\ub294 \ud658\uacbd \ub610\ub294 \uace0\uc628 \ubd80\uc2dd \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n      <h3>\uc778\uc131 \ubc0f \uae30\uacc4\uc801 \uac70\ub3d9<\/h3>\n      <p>\uacbd\ud654\ub41c \uc0c1\ud0dc\uc758 440C\ub294 \uac15\ub3c4\ub294 \ub192\uc9c0\ub9cc \uc5f0\uc131\uc774 \ub9e4\uc6b0 \ub0ae\uc544 \uc5f0\uc2e0\uc728\uc774 \uc57d 2%\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. \ud558\uc911\uc744 \ubc1b\uc73c\uba74 \uc751\ub825\uc744 \uc7ac\ubd84\ubc30\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ud2b9\uc815 \uc9c0\uc810\uc5d0\uc11c \ud55c\uacc4\ub97c \ucd08\uacfc\ud558\uba74 \uacbd\uace0 \uc5c6\uc774 \ubd80\ud488\uc774 \ud30c\uc190\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 \ud30c\uc190 \uc591\uc0c1\uc740 \ubaa8\uc11c\ub9ac \ud30c\uc190, \uc751\ub825 \uc9d1\uc911 \ubd80\uc704\uc5d0\uc11c\uc758 \uade0\uc5f4 \ubc1c\uc0dd, \ucda9\uaca9\uc774\ub098 \uad7d\ud798\uc5d0 \uc758\ud55c \uac11\uc791\uc2a4\ub7ec\uc6b4 \ucde8\uc131 \ud30c\uad34\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud30c\uc190\uc740 \ub0ae\uc740 \uc5f0\uc131\uacfc \uade0\uc5f4 \ubc1c\uc0dd\uc6d0\uc73c\ub85c \uc791\uc6a9\ud558\ub294 \ud0c4\ud654\ubb3c\uc5d0 \uc758\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/p>\n      <p>\uc2e4\uc9c8\uc801\uc778 \uacb0\ub860\uc740 \uc138 \uac00\uc9c0 \ud2b9\uc131 \ubaa8\ub450\uc5d0\uc11c \uc77c\uad00\uc801\uc785\ub2c8\ub2e4. 440C\ub294 \ud558\uc911\uc774 \uc548\uc815\uc801\uc774\uace0 \uace0\ub974\uac8c \ubd84\uc0b0\ub420 \ub54c \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc774\uc9c0\ub9cc, \ucda9\uaca9\uc774\ub098 \uc751\ub825 \uc9d1\uc911\uc774 \uacb0\uacfc\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \ub54c\ub294 \uc2e0\ub8b0\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n      <h2>440C\uc640 \ub2e4\ub978 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubc0f \uacf5\uad6c\uac15 \ube44\uad50<\/h2>\n      <p>440C\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc774 \uac15\uc885\uc774 \uc77c\ubc18\uc801\uc73c\ub85c \uacbd\uc7c1\ud558\ub294 \ub2e4\ub978 \uac15\uc885\ub4e4\uacfc \ube44\uad50\ud588\uc744 \ub54c \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \ub0b4\uc2dd\uc131 \ubc0f \uc778\uc131 \uba74\uc5d0\uc11c \uc5bc\ub9c8\ub098 \uade0\ud615 \uc7a1\ud78c \ud2b9\uc131\uc744 \ubcf4\uc774\ub294\uc9c0 \uc54c\uac8c \ub418\uba74 \ud6e8\uc52c \uc26c\uc6cc\uc9d1\ub2c8\ub2e4.<\/p>\n      <div class=\"aobo-table-wrap\">\n        <table class=\"aobo-table\">\n          <thead>\n            <tr><th>\uc7ac\uc0b0<\/th><th>440\ub3c4<\/th><th>420<\/th><th>440A \/ 440B<\/th><th>\ub5142<\/th><th>316<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td>\uac15\ucca0 \uc885\ub958<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td>\uacf5\uad6c\uac15<\/td><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><\/tr>\n            <tr><td>\ucd5c\ub300 \uacbd\ub3c4<\/td><td>\uc57d 60 HRC<\/td><td>46~54 HRC<\/td><td>56~58 HRC<\/td><td>60~62 HRC<\/td><td>\uac15\ud654 \ubd88\uac00\ub2a5<\/td><\/tr>\n            <tr><td>\ub0b4\ub9c8\ubaa8\uc131<\/td><td>\ub192\uc740<\/td><td>\uc911\uac04<\/td><td>\uc911\uac04<\/td><td>\ub9e4\uc6b0 \ub192\uc74c<\/td><td>\ub0ae\uc740<\/td><\/tr>\n            <tr><td>\ub0b4\uc2dd\uc131<\/td><td>\uc911\uac04<\/td><td>\uc911\uac04<\/td><td>\uc911\uc0c1\uae09<\/td><td>\ub0ae\uc740<\/td><td>\ud6cc\ub96d\ud55c<\/td><\/tr>\n            <tr><td>\uac15\uc778\ud568<\/td><td>\ub0ae\uc740<\/td><td>\uc911\uac04<\/td><td>\uc911\uac04<\/td><td>\ub9e4\uc6b0 \ub0ae\uc74c<\/td><td>\ub192\uc740<\/td><\/tr>\n            <tr><td>\uac00\uacf5\uc131<\/td><td>\uac00\ub09c\ud55c<\/td><td>\ubcf4\ud1b5\uc758<\/td><td>\ubcf4\ud1b5\uc758<\/td><td>\uac00\ub09c\ud55c<\/td><td>\uc88b\uc740<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n      <p>440C\ub294 \ub0b4\ub9c8\ubaa8\uc131\uacfc \ub0b4\uc2dd\uc131\uc758 \uade0\ud615\uc744 \uc798 \ub9de\ucd98 \uc18c\uc7ac\uc785\ub2c8\ub2e4. 420\uc774\ub098 440A\uc5d0 \ube44\ud574 \uacbd\ub3c4\uac00 \ub192\uace0 \uc218\uba85\uc774 \uae38\uba70, D2\uc5d0 \ube44\ud574\uc11c\ub294 \ub0b4\uc2dd\uc131\uc774 \uc6b0\uc218\ud569\ub2c8\ub2e4. 316\uc5d0 \ube44\ud574\uc11c\ub294 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub294 \ud6e8\uc52c \ub192\uc9c0\ub9cc \ub0b4\uc2dd\uc131\uc740 \ud6e8\uc52c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n\n      <h2>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud560\uae4c\uc694?<\/h2>\n      <p>440C\ub294 \ub192\uc740 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131, \uc801\ub2f9\ud55c \ub0b4\uc2dd\uc131, \uadf8\ub9ac\uace0 \uc548\uc815\uc801\uc778 \ud558\uc911 \uc9c0\uc9c0\ub825\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n      <p>\uc774 \uc18c\uc7ac\ub294 \uce7c, \uc218\uc220 \uae30\uad6c, \uc815\ubc00 \ube14\ub808\uc774\ub4dc\uc640 \uac19\uc774 \ub0a0 \uc720\uc9c0\ub825\uc774 \uc911\uc694\ud55c \uc815\ubc00 \uc808\uc0ad \uacf5\uad6c\uc5d0 \ud754\ud788 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubca0\uc5b4\ub9c1 \ubcfc \ubc0f \ub808\uc774\uc2a4\uc640 \uac19\uc740 \uad6c\ub984 \uc811\ucd09 \ubd80\ud488, \ud2b9\ud788 \ud45c\uc900 \ubca0\uc5b4\ub9c1 \uac15\ubcf4\ub2e4 \ub0b4\uc2dd\uc131\uc774 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0\uc5d0 \ud0c1\uc6d4\ud55c \uc131\ub2a5\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4. \uc720\uccb4 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \ub2f4\uc218 \ub610\ub294 \uc57d\ud55c \uc0b0\uc5c5\uc6a9 \uc720\uccb4\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ubc38\ube0c \uc2dc\ud2b8, \ub2c8\ub4e4 \ubc38\ube0c \ubc0f \ud38c\ud504 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c \ud45c\uba74 \uacbd\ub3c4\uc640 \uce58\uc218 \uc548\uc815\uc131\uc774 \uc911\uc694\ud55c \ub9c8\ubaa8\uc131 \ub610\ub294 \uc57d\ud55c \ubd80\uc2dd\uc131 \ud3f4\ub9ac\uba38\uc6a9 \ud50c\ub77c\uc2a4\ud2f1 \uae08\ud615 \uc778\uc11c\ud2b8\uc5d0\ub3c4 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uad6c\uc131 \uc694\uc18c \uc720\ud615\ubcc4 \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 440C \uc801\uc6a9 \ubd84\uc57c \ud398\uc774\uc9c0\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n      <h2>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc0ac\uc6a9\ud558\uc9c0 \ub9d0\uc544\uc57c \ud560 \uacbd\uc6b0<\/h2>\n      <p>\uc778\uc131, \uac15\ub825\ud55c \ub0b4\uc2dd\uc131 \ub610\ub294 \uc26c\uc6b4 \uc81c\uc870\uac00 \uc8fc\uc694 \uc694\uad6c \uc0ac\ud56d\uc77c \uacbd\uc6b0 440C\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc740 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n      <p>\uc778\uc131\uc774 \ub0ae\uc544 \ucda9\uaca9\uc774\ub098 \uad7d\ud798\uc5d0 \ucde8\uc57d\ud558\uae30 \ub54c\ubb38\uc5d0 \uad6c\uc870\uc6a9 \ubd80\ud488\uc774\ub098 \ub3d9\uc801 \ud558\uc911\uc744 \ubc1b\ub294 \ubd80\ud488\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc5fc\ud654\ubb3c\uc774 \ud48d\ubd80\ud55c \ud658\uacbd\uc774\ub098 \ud574\uc591 \ud658\uacbd\uc5d0\uc11c\ub294 \ub0b4\uc2dd\uc131\uc774 \uc81c\ud55c\uc801\uc774\uba70, \uc774\ub7ec\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 316\uacfc \uac19\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ub354 \uc2e0\ub8b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub192\uc740 \ud0c4\uc18c \ud568\ub7c9\uacfc \uacf5\uae30 \uacbd\ud654 \ud2b9\uc131\uc73c\ub85c \uc778\ud574 \uc6a9\uc811\uc774 \ubd88\uc548\uc815\ud569\ub2c8\ub2e4. \uace0\uc628\uc5d0\uc11c \uacbd\ub3c4\uac00 \uac10\uc18c\ud558\ubbc0\ub85c \uace0\uc628 \ud658\uacbd\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac \ud6c4\uc5d0\ub3c4 \uac00\uacf5\uc774 \uc5b4\ub835\uace0 \uacf5\uad6c \ub9c8\ubaa8\uac00 \uc2ec\ud558\uae30 \ub54c\ubb38\uc5d0 \ubcf5\uc7a1\ud558\uac70\ub098 \ub300\ub7c9 \uc0dd\uc0b0\ub418\ub294 \ubd80\ud488\uc5d0\ub294 \ucf8c\uc0ad\uc131\uc774 \ub6f0\uc5b4\ub09c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ub354 \uc2e4\uc6a9\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n      <h2>440C \uc751\uc6a9 \ubd84\uc57c\ub294 \uc18d\uc131\uc5d0 \uae30\ubc18\ud569\ub2c8\ub2e4.<\/h2>\n      <p>440C\ub294 \ub192\uc740 \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \uadf8\ub9ac\uace0 \uc801\ub2f9\ud55c \ub0b4\uc2dd\uc131\uc744 \ubaa8\ub450 \uac16\ucd98 \ud569\uae08\uc73c\ub85c, \uc801\uc6a9 \ubc94\uc704\uac00 \ub9e4\uc6b0 \ub113\uc2b5\ub2c8\ub2e4. \uc8fc\ub85c \ub9c8\ucc30, \uad6c\ub984 \uc811\ucd09, \ub610\ub294 \ubc18\ubcf5\uc801\uc778 \ud45c\uba74 \ud558\uc911\uc744 \ubc1b\ub294 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ub418\uba70, \ub0b4\uc2dd\uc131 \ubca0\uc5b4\ub9c1, \ubc38\ube0c \ubd80\ud488, \uc815\ubc00 \uae30\uae30, \uc808\uc0ad \uacf5\uad6c, \uc0b0\uc5c5\uc6a9 \ube14\ub808\uc774\ub4dc \ub4f1\uc774 \uadf8 \uc608\uc785\ub2c8\ub2e4. \ub0b4\ub9c8\ubaa8\uc131\uacfc \uae30\ubcf8\uc801\uc778 \ubd80\uc2dd \ubc29\uc9c0\uac00 \ubaa8\ub450 \uc694\uad6c\ub418\ub294 \uc758\ub8cc \uae30\uae30, \uc2dd\ud488 \uac00\uacf5 \uc7a5\ube44, \uadf8\ub9ac\uace0 \uc77c\ubd80 \ud56d\uacf5\uc6b0\uc8fc \ub610\ub294 \uc11d\uc720 \uad00\ub828 \ubd80\ud488\uc5d0\ub3c4 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubd84\ub9d0 \uc57c\uae08 \uacf5\uc815(\uc608: \uae08\uc18d \uc0ac\ucd9c \uc131\ud615)\uc740 \uc815\ubc00 \uc790\ub3d9\ucc28 \ubd80\ud488, \uc7a0\uae08 \uc7a5\uce58, \uc18c\ud615 \ub0b4\ub9c8\ubaa8\uc131 \uc870\ub9bd\ud488 \ub4f1 \uae30\uacc4 \uac00\uacf5\uc774 \ube44\ud6a8\uc728\uc801\uc778 \uc791\uace0 \ubcf5\uc7a1\ud55c \ubd80\ud488\uc744 \uc0dd\uc0b0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n      <p>440C\ub294 \uc778\uc131\uc774 \ub0ae\uace0 \uc5f4 \uc548\uc815\uc131\uc774 \uc81c\ud55c\uc801\uc774\uae30 \ub54c\ubb38\uc5d0 \ucda9\uaca9 \ud558\uc911\uc744 \ubc1b\ub294 \uad6c\uc870\ubb3c\uc774\ub098 \uace0\uc628 \ud658\uacbd\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\uc774 \uad8c\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n      <section class=\"aobo-related-pages\" aria-label=\"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\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\/440c-stainless-steel-applications\/\">\n            <strong>440C \uc801\uc6a9 \ubd84\uc57c<\/strong>\n            <span>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\ub294 \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \ub0b4\uc2dd\uc131 \ubc0f \uc778\uc131 \ud55c\uacc4\ub97c \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/span>\n          <\/a>\n          <a class=\"aobo-related-card\" href=\"https:\/\/aobosteel.com\/ko\/440c-stainless-steel-heat-treatment\/\">\n            <strong>440\u00b0C \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/strong>\n            <span>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc5b4\ub2d0\ub9c1, \uacbd\ud654, \ub2f4\uae08\uc9c8, \uadf9\uc800\uc628 \ucc98\ub9ac \ubc0f \ud15c\ud37c\ub9c1\uc5d0 \ub300\ud55c \uc9c0\uce68.<\/span>\n          <\/a>\n        <\/div>\n      <\/section>\n\n      <section class=\"aobo-final-cta\">\n        <div>\n          <h2>\ub0b4\ub9c8\ubaa8\uc131 \ubd80\ud488\uc5d0 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \ud544\uc694\ud558\uc2e0\uac00\uc694?<\/h2>\n          <p>\ub4f1\uae09, \uaddc\uaca9, \uc218\ub7c9, \ud45c\uba74 \uc0c1\ud0dc \ubc0f \uc6a9\ub3c4\ub97c \ubcf4\ub0b4\uc8fc\uc2ed\uc2dc\uc624. \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 \uac00\uacf5, \uc5f4\ucc98\ub9ac, \ubca0\uc5b4\ub9c1, \ubc38\ube0c, \uc808\uc0ad \uacf5\uad6c \ubc0f \uc815\ubc00 \ub0b4\ub9c8\ubaa8 \ubd80\ud488\uc6a9 \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c 440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd09 \ubc0f \ud310\uc7ac\ub97c \uacf5\uae09\ud560 \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    <\/main>\n  <\/div>\n<\/section>\n\n\n\n\n<h2 id=\"h-faq\" class=\"wp-block-heading\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1777472822389\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc8fc\uc694 \ud2b9\uc131\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \ub192\uc740 \uacbd\ub3c4(58~60 HRC), \uc6b0\uc218\ud55c \ub0b4\ub9c8\ubaa8\uc131, \uc801\ub2f9\ud55c \ub0b4\uc2dd\uc131 \ubc0f \ub0ae\uc740 \uc778\uc131\uc744 \ud2b9\uc9d5\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc8fc\ub85c \uad6c\uc870 \ubd80\ud488\ubcf4\ub2e4\ub294 \ub9c8\ubaa8\uac00 \uc2ec\ud55c \uc6a9\ub3c4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472842441\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub2e8\ub2e8\ud55c\uac00\uc694, \uc544\ub2c8\uba74 \ubd80\uc11c\uc9c0\uae30 \uc26c\uc6b4\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">\uc5f4\ucc98\ub9ac \ud6c4 440C\ub294 \ub9e4\uc6b0 \ub2e8\ub2e8\ud574\uc9c0\uc9c0\ub9cc \uc0c1\ub300\uc801\uc73c\ub85c \ucde8\uc131\uc774 \uac15\ud574\uc9d1\ub2c8\ub2e4. \ucda9\uaca9 \uc778\uc131\uc774 \ub0ae\uc544 \ucda9\uaca9, \uc9c4\ub3d9 \ub610\ub294 \uad7d\ud798 \ud558\uc911\uc774 \uac00\ud574\uc9c0\ub294 \uc6a9\ub3c4\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472843195\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131\uc774 \uc88b\uc740\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \ub2f4\uc218 \ubc0f \ub300\uae30 \ub178\ucd9c\uacfc \uac19\uc740 \uc628\ud654\ud55c \ud658\uacbd\uc5d0\uc11c \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud2b9\ud788 \uc5fc\ud654\ubb3c\uc774 \ud48d\ubd80\ud55c \ud658\uacbd\uc774\ub098 \ud574\uc591 \ud658\uacbd\uc5d0\uc11c\ub294 304 \ub610\ub294 316\uacfc \uac19\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ubcf4\ub2e4 \ub0b4\uc2dd\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472843896\"><strong class=\"schema-faq-question\"><strong>\ubca0\uc5b4\ub9c1\uc5d0 440C\ub97c \uc0ac\uc6a9\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \ub192\uc740 \uacbd\ub3c4, \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \ucda9\ubd84\ud55c \ub0b4\uc2dd\uc131\uc744 \uac16\ucd94\uace0 \uc788\uc5b4 \ubca0\uc5b4\ub9c1\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc57d\ud55c \ubd80\uc2dd \ud658\uacbd\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \uad6c\ub984 \uc811\ucd09 \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472845089\"><strong class=\"schema-faq-question\"><strong>440C\ub294 \uc5f4\ucc98\ub9ac \ud6c4 \uc5bc\ub9c8\ub9cc\ud07c\uc758 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \ub2f4\uae08\uc9c8 \ud6c4 \ucd5c\ub300 \uc57d 60 HRC\uc758 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \uc801\uc6a9\uc5d0\uc11c\ub294 \uacbd\ub3c4\uc640 \uc548\uc815\uc131\uc758 \uade0\ud615\uc744 \ub9de\ucd94\uae30 \uc704\ud574 \ubcf4\ud1b5 57~58 HRC \uc815\ub3c4\ub85c \ud15c\ud37c\ub9c1\ud569\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472871765\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ubcf4\ub2e4 \ub354 \uc88b\uc740\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 420\ubcf4\ub2e4 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ud6e8\uc52c \ub192\uc9c0\ub9cc, \uc778\uc131\uc774 \ub0ae\uace0 \uac00\uacf5\uc774 \ub354 \uc5b4\ub835\uc2b5\ub2c8\ub2e4. \ucda9\uaca9 \uc800\ud56d\uc131\uacfc \uc6a9\uc774\ud55c \uac00\uacf5\uc131\uc774 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0\uc5d0\ub294 420\uc774 \uc120\ud638\ub429\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472881635\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uace0 \uade0\uc5f4 \ubc1c\uc0dd \uacbd\ud5a5\uc774 \uc788\uc5b4 \uc77c\ubc18\uc801\uc73c\ub85c \uc6a9\uc811\uc5d0\ub294 \uad8c\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uac00\uacf5 \ubc0f \uc131\ud615\uc740 \uc5f4\ucc98\ub9ac \uc804\uc5d0 \uc5b4\ub2d0\ub9c1\ub41c \uc0c1\ud0dc\uc5d0\uc11c \uc644\ub8cc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472897148\"><strong class=\"schema-faq-question\"><strong>440C\ub294 \uac00\uacf5\uc5d0 \uc801\ud569\ud55c\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc5d0\uc11c\ub3c4 \uac00\uacf5\uc774 \uac00\ub2a5\ud558\uc9c0\ub9cc, \uc77c\ubc18 \ud0c4\uc18c\uac15\uc5d0 \ube44\ud574 \uac00\uacf5\uc131\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \uacbd\ud654 \ucc98\ub9ac \ud6c4\uc5d0\ub294 \ub192\uc740 \uacbd\ub3c4\uc640 \ud0c4\ud654\ubb3c \ud568\ub7c9\uc73c\ub85c \uc778\ud574 \uac00\uacf5\uc774 \ub9e4\uc6b0 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472905374\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc8fc\uc694 \ud55c\uacc4\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">\uc8fc\uc694 \ud55c\uacc4\uc810\uc73c\ub85c\ub294 \ub0ae\uc740 \uc778\uc131, \ubd88\ub7c9\ud55c \uc6a9\uc811\uc131, \uac00\ud639\ud55c \ud658\uacbd\uc5d0\uc11c\uc758 \uc81c\ud55c\uc801\uc778 \ub0b4\uc2dd\uc131, \uadf8\ub9ac\uace0 \uc5f4\uc545\ud55c \uace0\uc628 \uc131\ub2a5 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1777472913920\"><strong class=\"schema-faq-question\"><strong>440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub418\ub294 \uacbd\uc6b0\ub294 \uc5b8\uc81c\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">440C\ub294 \ucda9\uaca9 \ud558\uc911, \uc2ec\uac01\ud55c \ubd80\uc2dd(\uc608: \ud574\uc218), \uc6a9\uc811 \uc694\uad6c \uc0ac\ud56d, \uace0\uc628 \ub178\ucd9c \ub610\ub294 \ubcf5\uc7a1\ud55c \ub300\ub7c9 \uac00\uacf5\uc774 \ud544\uc694\ud55c \uc6a9\ub3c4\uc5d0\ub294 \uc0ac\uc6a9\uc744 \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>440C Stainless Steel Properties 440C Stainless Steel Properties 440C is a high-carbon, high-chromium martensitic stainless steel built for maximum hardness and wear resistance among corrosion-resistant steels. After proper heat treatment, it reaches up to 60 HRC and is typically used at 57 to 60 HRC, giving strong resistance to abrasion, edge wear, and surface deformation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15008,"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-14770","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>440C Stainless Steel Properties, Composition, Hardness, Mechanical Properties &amp; Uses<\/title>\n<meta name=\"description\" content=\"440C stainless steel properties explained: chemical composition, 57 to 60 HRC hardness, mechanical data, heat treatment, and how it compares to 420, 440A, D2, and 316.\" \/>\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\/ko\/440c-stainless-steel-properties\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"440C Stainless Steel Properties, Composition, Hardness, Mechanical Properties &amp; Uses\" \/>\n<meta property=\"og:description\" content=\"440C stainless steel properties explained: chemical composition, 57 to 60 HRC hardness, mechanical data, heat treatment, and how it compares to 420, 440A, D2, and 316.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/440c-stainless-steel-properties\/\" \/>\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=\"2026-06-25T02:09:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-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=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data1\" content=\"10\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/440c-stainless-steel-properties\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/440c-stainless-steel-properties\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"440C Stainless Steel Properties, Composition, Hardness, Mechanical Properties &#038; 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It is primarily used in wear-dominated applications rather than structural components.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/440c-stainless-steel-properties\\\/#faq-question-1777472842441\",\"position\":2,\"url\":\"https:\\\/\\\/aobosteel.com\\\/440c-stainless-steel-properties\\\/#faq-question-1777472842441\",\"name\":\"Is 440C stainless steel hard or brittle?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"After heat treatment, 440C becomes very hard but also relatively brittle. Its low impact toughness makes it unsuitable for applications involving shock, impact, or bending loads.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/440c-stainless-steel-properties\\\/#faq-question-1777472843195\",\"position\":3,\"url\":\"https:\\\/\\\/aobosteel.com\\\/440c-stainless-steel-properties\\\/#faq-question-1777472843195\",\"name\":\"Does 440C stainless steel have good corrosion resistance?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"440C provides reliable corrosion resistance in mild environments such as fresh water and atmospheric exposure. 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It is primarily used in wear-dominated applications rather than structural components.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472842441","position":2,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472842441","name":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub2e8\ub2e8\ud55c\uac00\uc694, \uc544\ub2c8\uba74 \ubd80\uc11c\uc9c0\uae30 \uc26c\uc6b4\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"After heat treatment, 440C becomes very hard but also relatively brittle. Its low impact toughness makes it unsuitable for applications involving shock, impact, or bending loads.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472843195","position":3,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472843195","name":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131\uc774 \uc88b\uc740\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C provides reliable corrosion resistance in mild environments such as fresh water and atmospheric exposure. However, it is less resistant than austenitic stainless steels such as 304 or 316, especially in chloride-rich or marine environments.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472843896","position":4,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472843896","name":"\ubca0\uc5b4\ub9c1\uc5d0 440C\ub97c \uc0ac\uc6a9\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C is widely used for bearings because it combines high hardness, strong wear resistance, and sufficient corrosion resistance. This makes it suitable for rolling-contact components operating in mildly corrosive environments.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472845089","position":5,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472845089","name":"440C\ub294 \uc5f4\ucc98\ub9ac \ud6c4 \uc5bc\ub9c8\ub9cc\ud07c\uc758 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C can reach a maximum hardness of about 60 HRC after quenching. In practical applications, it is usually tempered to around 57\u201358 HRC to balance hardness and stability.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472871765","position":6,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472871765","name":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ubcf4\ub2e4 \ub354 \uc88b\uc740\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C offers significantly higher hardness and wear resistance than 420, but has lower toughness and is more difficult to machine. 420 is preferred when impact resistance and easier processing are required.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472881635","position":7,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472881635","name":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C is generally not recommended for welding due to its high carbon content and tendency to crack. Machining and forming should be completed in the annealed condition before heat treatment.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472897148","position":8,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472897148","name":"440C\ub294 \uac00\uacf5\uc5d0 \uc801\ud569\ud55c\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C can be machined in the annealed condition, but it has relatively poor machinability compared to standard carbon steels. After hardening, machining becomes extremely difficult due to high hardness and carbide content.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472905374","position":9,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472905374","name":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uc8fc\uc694 \ud55c\uacc4\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The main limitations include low toughness, poor weldability, limited corrosion resistance in harsh environments, and poor high-temperature performance.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472913920","position":10,"url":"https:\/\/aobosteel.com\/440c-stainless-steel-properties\/#faq-question-1777472913920","name":"440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc0ac\uc6a9\ud574\uc11c\ub294 \uc548 \ub418\ub294 \uacbd\uc6b0\ub294 \uc5b8\uc81c\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"440C should be avoided in applications involving impact loading, severe corrosion (such as seawater), welding requirements, high-temperature exposure, or complex high-volume machining.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"}]}},"uagb_featured_image_src":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-300x300.avif",300,300,true],"medium_large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-768x768.avif",768,768,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-12x12.avif",12,12,true]},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"440C Stainless Steel Properties 440C Stainless Steel Properties 440C is a high-carbon, high-chromium martensitic stainless steel built for maximum hardness and wear resistance among corrosion-resistant steels. After proper heat treatment, it reaches up to 60 HRC and is typically used at 57 to 60 HRC, giving strong resistance to abrasion, edge wear, and surface deformation&hellip;","rttpg_featured_image_url":{"full":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"landscape":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"portraits":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"thumbnail":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-150x150.avif",150,150,true],"medium":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-300x300.avif",300,300,true],"large":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-1024x1024.avif",1024,1024,true],"1536x1536":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"2048x2048":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD.avif",1254,1254,false],"trp-custom-language-flag":["https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/440C-properties-AD-12x12.avif",12,12,true]},"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"440C Stainless Steel Properties 440C Stainless Steel Properties 440C is a high-carbon, high-chromium martensitic stainless steel built for maximum hardness and wear resistance among corrosion-resistant steels. 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