{"id":12011,"date":"2026-01-07T21:08:38","date_gmt":"2026-01-07T13:08:38","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12011"},"modified":"2026-10-16T16:36:36","modified_gmt":"2026-10-16T08:36:36","slug":"l6-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/l6-tool-steel-heat-treatment\/","title":{"rendered":"L6 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc"},"content":{"rendered":"

L6 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/h1>\n\n\n\n

L6(1.2714\/SKT4) \uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac \uc9c0\uce68\uc73c\ub85c, \ub192\uc740 \uc778\uc131, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uc548\uc815\uc801\uc778 \uc131\ub2a5\uc5d0 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI L6\ub294 \uc6b0\uc218\ud55c \uc778\uc131\uacfc \uacbd\ud654\uc131\uc744 \ubaa8\ub450 \uac16\ucd98 \uc800\ud569\uae08 \uacf5\uad6c\uac15\uc785\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \ub9e8\ub4dc\ub9b4, \ucea0, \ucc99\uacfc \uac19\uc740 \uae30\uacc4 \ubd80\ud488\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc804\ub2e8\ub0a0, \uc131\ud615 \ub2e4\uc774\uc640 \uac19\uc740 \uace0\uac15\ub3c4, \uace0\uc778\uc131 \uacf5\uad6c \uc81c\uc870\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. L6\ub294 \uc6b0\uc218\ud55c \uacbd\ud654\uc131\uc744 \uc9c0\ub2c8\uace0 \uc788\uc9c0\ub9cc, \uc5f4\ucc98\ub9ac \uacf5\uc815\uc744 \uc5c4\uaca9\ud558\uac8c \uad00\ub9ac\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

L6 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac04\ud3b8 \uc810\uac80\ud45c<\/h2>\n\n\n\n

Time needed:\u00a04 hours.<\/p>\n\n\n\n

AISI L6 \uacf5\uad6c\uac15\uc758 \uc801\uc808\ud55c \uc5f4\ucc98\ub9ac \ub2e8\uacc4(\uc608\uc5f4, \uc624\uc2a4\ud14c\ub098\uc774\uc9d5, \uc624\uc77c \ud01c\uce6d, \ud15c\ud37c\ub9c1 \ud3ec\ud568)\uc5d0 \ub300\ud55c \uc804\ubb38 \uac00\uc774\ub4dc\ub85c, \ucd5c\uc801\uc758 \uc778\uc131\uacfc \uacbd\ub3c4 \uade0\ud615\uc744 \uc5bb\ub294 \ubc29\ubc95\uc744 \uc124\uba85\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \n
  1. \uc608\uc5f4<\/strong>ing<\/strong> L6 \uacf5\uad6c\uac15\uc744 1200\u00b0F(650\u00b0C)\uc758 \uc608\uc5f4 \uc628\ub3c4\uae4c\uc9c0 \ucc9c\ucc9c\ud788 \uadf8\ub9ac\uace0 \uade0\uc77c\ud558\uac8c \uac00\uc5f4\ud558\uc2ed\uc2dc\uc624. \uc7ac\ub8cc\uac00 \uc774 \uc628\ub3c4\uc5d0\uc11c \uc644\uc804\ud788 \uc548\uc815\ud654\ub418\uc5b4 \uc5f4 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud558\uace0 \uc5f4 \ucda9\uaca9\uc73c\ub85c \uc778\ud55c \ubcc0\ud615\uc774\ub098 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub3c4\ub85d \ud558\uc2ed\uc2dc\uc624.<\/li>\n\n
  2. \uc624\uc2a4\ud14c\ub2c8\uce20<\/strong>ing<\/strong> \uad8c\uc7a5 \uc628\ub3c4 \ubc94\uc704\uc778 790\u00b0C ~ 845\u00b0C(1455\u00b0F ~ 1555\u00b0F)\uae4c\uc9c0 \uc628\ub3c4\ub97c \uc62c\ub9ac\uace0, \ucd5c\uc801 \uc628\ub3c4\uc778 830\u00b0C(1525\u00b0F)\ub97c \ubaa9\ud45c\ub85c \ud558\uc2ed\uc2dc\uc624. \ub2e8\uba74 \ud06c\uae30\uc5d0 \ub530\ub77c 10\ubd84\uc5d0\uc11c 30\ubd84 \ub3d9\uc548 \uc7ac\ub8cc\ub97c \uc720\uc9c0\ud558\uc5ec \ud0c4\ud654\ubb3c\uc744 \uc6a9\ud574\uc2dc\ud0a4\uace0 \uade0\uc77c\ud55c \ubbf8\uc138 \uad6c\uc870\ub97c \ud655\ubcf4\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n
  3. \ub2f4\uae08\uc9c8<\/strong> \uac15\ucca0\uc744 \ub530\ub73b\ud55c \uae30\ub984\uc5d0 \ub2f4\uadf8\uace0 \uc7ac\ub8cc\uac00 \uc57d 52\u00b0C ~ 66\u00b0C(125\u00b0F ~ 150\u00b0F)\uae4c\uc9c0 \uc2dd\uc744 \ub54c\uae4c\uc9c0 \uc561\uccb4\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uad50\ubc18\ud558\uc2ed\uc2dc\uc624. \ud070 \ub2e8\uba74\uc758 \uacbd\uc6b0 \uc218\ub0c9\ub3c4 \uac00\ub2a5\ud558\uc9c0\ub9cc, \uce58\uc218 \ubcc0\ud654\ub97c \ucd5c\uc18c\ud654\ud558\uace0 \uade0\uc5f4 \ubc1c\uc0dd \uc704\ud5d8\uc744 \uc904\uc774\ub824\uba74 \uae30\ub984 \ub2f4\uae08\uc9c8\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n
  4. \uc989\uc2dc \ud15c\ud37c\ub9c1 \uacf5\uc815\uc73c\ub85c \uc62e\uae30\uc2ed\uc2dc\uc624.<\/strong><\/strong> \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uacf5\uad6c\ub97c \uc624\uc77c\uc5d0\uc11c \uaebc\ub0b4 \uc989\uc2dc \ud15c\ud37c\ub9c1\ub85c\ub85c \uc62e\uae30\uc2ed\uc2dc\uc624. \ud15c\ud37c\ub9c1 \uacf5\uc815\uc744 \uc2dc\uc791\ud558\uae30 \uc804\uc5d0 L6 \uacf5\uad6c\uac00 \uc2e4\uc628\uc73c\ub85c \uc644\uc804\ud788 \uc2dd\ub3c4\ub85d \ub450\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n\n
  5. \ub728\uc784<\/strong> \uac15\ucca0\uc744 \uc0ac\uc6a9 \ubaa9\uc801\uc5d0 \ub9de\ub294 \uacbd\ub3c4\uc5d0 \ub530\ub77c \ud2b9\uc815 \uc628\ub3c4\ub85c \uac00\uc5f4\ud558\uc2ed\uc2dc\uc624. \uc628\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uacbd\ub3c4\uac00 \ub0ae\uc544\uc9c4\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \ub9c8\ubaa8\uac00 \uc2ec\ud55c \ubd80\ud488\uc5d0\ub294 \ub0ae\uc740 \uc628\ub3c4(\ud654\uc528 300~400\ub3c4)\ub97c, \uc804\ub2e8 \ub0a0\uacfc \uac19\uc774 \ub192\uc740 \uc778\uc131\uc774 \uc694\uad6c\ub418\ub294 \uacf5\uad6c\uc5d0\ub294 \ub192\uc740 \uc628\ub3c4(\ud654\uc528 700~800\ub3c4)\ub97c \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n\n\n\n

    \uc608\uc5f4<\/h2>\n\n\n\n

    L6 \uacf5\uad6c\uac15\uc758 \ubcc0\ud615\uc774\ub098 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ucd5c\uc885 \uacbd\ud654 \uc628\ub3c4\uae4c\uc9c0 \uc628\ub3c4\ub97c \uc62c\ub9ac\uae30 \uc804\uc5d0 \uc81c\uc5b4\ub41c \uc608\uc5f4\uc744 \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 L6 \uacf5\uad6c\uac15\uc774 \uc5f4 \ud3c9\ud615 \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ud558\uace0 \uae09\uc18d \uac00\uc5f4\ub85c \uc778\ud55c \uc5f4 \ucda9\uaca9\uc758 \uc704\ud5d8\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4. L6\uac15\uc740 \ucc9c\ucc9c\ud788 \uadf8\ub9ac\uace0 \uade0\uc77c\ud558\uac8c \uac00\uc5f4\ud574\uc57c \ud569\ub2c8\ub2e4. \uad8c\uc7a5 \uc608\uc5f4 \uc628\ub3c4\ub294 650\u00b0C(1200\u00b0F)\uc785\ub2c8\ub2e4. L6 \uacf5\uad6c\uac15\uc774 \uc774 \uc628\ub3c4\uc5d0\uc11c \uc644\uc804\ud788 \uc548\uc815\ud654\ub418\uba74 \ub2e4\uc74c \ub2e8\uacc4\uc778 \uc624\uc2a4\ud14c\ub098\uc774\uc9d5 \uacf5\uc815\uc744 \uc9c4\ud589\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

    \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654(\uacbd\ud654)<\/h2>\n\n\n\n

    \uc608\uc5f4\uc774 \uc644\ub8cc\ub418\uba74 \uc628\ub3c4\ub97c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uae4c\uc9c0 \uc62c\ub824 \ud0c4\ud654\ubb3c\uc744 \uc6a9\ud574\ud558\uace0 \ubbf8\uc138 \uad6c\uc870\ub97c \uc815\ub9bd\ud558\uc5ec \ud6c4\uc18d \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ubcc0\ud0dc\ub97c \uc900\ube44\ud569\ub2c8\ub2e4. \uad8c\uc7a5 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\ub294 790\u00b0C~845\u00b0C(1455\u00b0F~1555\u00b0F)\uc774\uba70, \ucd5c\uc801 \ubaa9\ud45c \uc628\ub3c4\ub294 830\u00b0C(1525\u00b0F)\uc785\ub2c8\ub2e4. \uc720\uc9c0 \uc2dc\uac04\uc740 \ub2e8\uba74 \ud06c\uae30\uc5d0 \ub530\ub77c 10~30\ubd84\uc785\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc744 \ud1b5\ud574 L6 \uacf5\uad6c\uac15\uc744 \ucda9\ubd84\ud788 \uac00\uc5f4\ud558\uace0 \uade0\uc77c\ud55c \ubbf8\uc138 \uad6c\uc870\ub97c \ud615\uc131\ud558\uba70, \uc870\ub9bd\uc790 \ud615\uc131\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ub2f4\uae08\uc9c8<\/h2>\n\n\n\n

    L6 \uacf5\uad6c\uac15\uc758 \ud070 \ubd80\ubd84\uc740 \ubb3c\ub85c \ub2f4\uae08\uc9c8\ud560 \uc218 \uc788\uc9c0\ub9cc, \uae30\ub984\uc73c\ub85c\ub294 \ub2f4\uae08\uc9c8\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub2f4\uae08\uc9c8<\/a> \uce58\uc218 \ubcc0\ud654 \ubc0f \uade0\uc5f4 \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ub530\ub73b\ud55c \uc624\uc77c\uc744 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\ub85c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. L6 \uacf5\uad6c\uac15\uc774 \uc57d 52~66\u00b0C(125~150\u00b0F)\uae4c\uc9c0 \ub0c9\uac01\ub420 \ub54c\uae4c\uc9c0 \uc624\uc77c\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \uad50\ubc18\ud558\uc2ed\uc2dc\uc624. \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc989\uc2dc \ud15c\ud37c\ub9c1\ub85c\ub85c \uc62e\uae30\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

    \"L6
    0.75% C, 0.60% Mn, 0.80% Cr, 1.25% Ni, 0.25% Mo \ubc0f 0.15% V, \ucd9c\ucc98: Roberts, G., Krauss, G., \ubc0f Kennedy, R., \uacf5\uad6c\uac15<\/em>, \uc81c5\ud310, ASM International, 1998<\/figcaption><\/figure>\n\n\n\n

    \ub728\uc784<\/h2>\n\n\n\n

    L6\uac15\uc744 \ud15c\ud37c\ub9c1\ud558\uba74 \ub2f4\uae08\uc9c8\ub85c \uc778\ud55c \uc751\ub825\uc774 \uc81c\uac70\ub429\ub2c8\ub2e4. L6\uac15\uc758 \uacbd\ub3c4\ub294 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc9c0\uc18d\uc801\uc73c\ub85c \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc544\ub798 \ud45c\ub294 1525\u00b0F(830\u00b0C)\uc5d0\uc11c \uc624\uc77c \ud01c\uce6d \ucc98\ub9ac \ud6c4\uc758 L6 \uacf5\uad6c\uac15\uc5d0 \ub300\ud55c \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    <\/thead>
    \ud15c\ud37c\ub9c1 \uc628\ub3c4<\/td>\ub85c\ud06c\uc6f0 C \uacbd\ub3c4(HRC)<\/td><\/tr>
    quenched\ucc98\ub7fc<\/td>62<\/td><\/tr>
    300\u00b0F (150\u00b0C)<\/td>60<\/td><\/tr>
    400\u00b0F (205\u00b0C)<\/td>58<\/td><\/tr>
    500\u00b0F (260\u00b0C)<\/td>56<\/td><\/tr>
    600\u00b0F (315\u00b0C)<\/td>53<\/td><\/tr>
    700\u00b0F (370\u00b0C)<\/td>50<\/td><\/tr>
    800\u00b0F (425\u00b0C)<\/td>47<\/td><\/tr>
    900\u00b0F (480\u00b0C)<\/td>44<\/td><\/tr>
    1000\u00b0F (540\u00b0C)<\/td>41<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \uc804\ub2e8\ub0a0\uc774\ub098 \uace0\uac15\ub3c4 \ud380\uce58\uc640 \uac19\uc774 \ub192\uc740 \uc778\uc131\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0\uc11c\ub294 \ucda9\uaca9 \uc800\ud56d\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574 \uacbd\ub3c4\ub97c \ub2e4\uc18c \ud76c\uc0dd\ud558\ub294 \ub300\uc2e0 \uace0\uc628(\uc608: 700~800\u00b0F)\uc5d0\uc11c \ud15c\ud37c\ub9c1\uc744 \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ubc18\ub300\ub85c \uac8c\uc774\uc9c0\ub098 \ub9c8\ubaa8 \ubd80\ud488\uc758 \uacbd\uc6b0\uc5d0\ub294 \ub192\uc740 \ud45c\uba74 \uacbd\ub3c4\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uc800\uc628(300~400\u00b0F)\uc5d0\uc11c \ud15c\ud37c\ub9c1\ud558\ub294 \uac83\uc774 \ubc14\ub78c\uc9c1\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    L6 \uc5f4\ucc98\ub9ac \uc2dc \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc810 \ubc0f \ud574\uacb0\ucc45<\/h2>\n\n\n\n
      \n
    1. \ubcc0\ud615. L6 \uacf5\uad6c\uac15\uc740 \ubcf8\uc9c8\uc801\uc73c\ub85c \ubcc0\ud615\ub960\uc774 \ub0ae\uc740 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uce58\uc218 \uc548\uc815\uc131\uc744 \ub354\uc6b1 \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \ub2e4\uc74c\uacfc \uac19\uc740 \uc870\uce58\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4. \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc758 L6 \uacf5\uad6c\uac15 \ubd80\ud488\uc758 \uacbd\uc6b0, \uc9c1\uc811 \uc624\uc77c \ub2f4\uae08\uc9c8 \ub300\uc2e0 175\u00b0C(345\u00b0F) \uc5fc\uc695 \ub2e8\uacc4\uc801 \ub2f4\uae08\uc9c8\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uacbd\ud654 \uc5f4\ucc98\ub9ac \uc804\uc5d0 650\u00b0C~675\u00b0C(1200\u00b0F~1245\u00b0F)\uc5d0\uc11c \uc751\ub825 \uc644\ud654 \ucc98\ub9ac\ub97c \uc218\ud589\ud558\uba74 \ubcc0\ud615 \uc704\ud5d8\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n
    2. \ub2f4\uae08\uc9c8 \uc2dc \uade0\uc5f4 \ubc29\uc9c0. \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub824\uba74 L6 \uacf5\uad6c\ub97c \uc57d 52\u00b0C(125\u00b0F)\uc5d0\uc11c \uc624\uc77c\uc5d0\uc11c \uaebc\ub0b4 \uc989\uc2dc \ud15c\ud37c\ub9c1\ud558\uc2ed\uc2dc\uc624. \ud15c\ud37c\ub9c1\ud558\uae30 \uc804\uc5d0 L6 \uacf5\uad6c\uac00 \uc2e4\uc628\uae4c\uc9c0 \uc644\uc804\ud788 \uc2dd\ub3c4\ub85d \ub450\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/li>\n\n
    3. \ud0c8\ud0c4. L6\ub294 \ud0c8\ud0c4\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc774 \uac15\ud558\uc9c0\ub9cc, \ud45c\uba74 \ubcf4\ud638\ub294 \uc5ec\uc804\ud788 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uac00\uc5f4 \uacf5\uc815\uc5d0\uc11c\ub294 \ud45c\uba74 \uc870\uc131\uc758 \ubcc0\ud654\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc81c\uc5b4\ub41c \ubd84\uc704\uae30, \uc6a9\uc735\uc5fc \ub610\ub294 \ubd88\ud65c\uc131 \ucda9\uc804\uc7ac\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n
    4. \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8. \uc9c0\ub098\uce58\uac8c \ub192\uc740 \uacbd\ud654 \uc628\ub3c4\ub294 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ud568\ub7c9\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4. L6\ub294 \uace0\ud569\uae08\uac15\uc5d0 \ube44\ud574 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uc5d0 \ub300\ud55c \ubbfc\uac10\ub3c4\uac00 \ub0ae\uc9c0\ub9cc, \uc644\uc804\ud55c \uc0c1\ubcc0\ud0dc\ub97c \uc704\ud574\uc11c\ub294 \uad8c\uc7a5 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\ub97c \uc5c4\uaca9\ud558\uac8c \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"

      L6 Tool Steel Heat Treatment Guide Heat treatment guidance for L6(1.2714\/SKT4) tool steel, focusing on high toughness, wear resistance, and reliable performance. AISI L6 is a low-alloy tool steel offering both good toughness and hardenability. 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