{"id":20890,"date":"2026-10-04T08:10:59","date_gmt":"2026-10-04T00:10:59","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=20890"},"modified":"2026-10-16T16:13:25","modified_gmt":"2026-10-16T08:13:25","slug":"special-purpose-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/special-purpose-tool-steel-heat-treatment\/","title":{"rendered":"\ud2b9\uc218 \ubaa9\uc801 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac"},"content":{"rendered":"

\ud2b9\uc218 \ubaa9\uc801 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac<\/h1>\n\n\n\n

\ub450 \uac1c\uc758 \uc791\uc740 \uacf5\uad6c\uac15 \uacc4\uc5f4\uc740 \uc8fc\uc694 \uadf8\ub8f9 \ubc16\uc5d0 \uc704\uce58\ud558\uba70 \uac01\uac01 \ud558\ub098\uc758 \uc6a9\ub3c4\uc5d0 \ub9de\ucdb0 \uc81c\uc791\ub429\ub2c8\ub2e4. L \uadf8\ub8f9\uc758 \uc800\ud569\uae08 \ud2b9\uc218 \ubaa9\uc801 \uac15\uc885\uc740 \uc800\ud0c4\uc18c \ud06c\ub86c \ud568\uc720 \uac15\uc73c\ub85c \ubca0\uc5b4\ub9c1\uac15 52100\uacfc \uc870\uc131\uc774 \uc720\uc0ac\ud558\uba70, \uacf5\uad6c\uc5d0 \ub0b4\uc5f4\uc131\ubcf4\ub2e4 \ub0b4\ub9c8\ubaa8\uc131\uacfc \uacbd\ud654\ub2a5\uc774 \uc694\uad6c\ub418\ub294 \uacf3\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. F \uadf8\ub8f9\uc758 \ud0c4\uc18c-\ud145\uc2a4\ud150 \uac15\uc885\uc740 \uacbd\ud654 \uae4a\uc774\uac00 \uc595\uc740 \uc218\ub0c9 \ub2f4\uae08\uc9c8 \uac15\uc73c\ub85c \ub9e4\uc6b0 \ub2e8\ub2e8\ud55c \ud45c\uba74\uce35\uae4c\uc9c0 \uacbd\ud654\ub418\uba70 \uac70\uc6b8 \uac19\uc740 \uad11\ud0dd \uc5f0\ub9c8\uac00 \uac00\ub2a5\ud558\uc5ec \ub4dc\ub85c\uc789 \ub2e4\uc774\uc640 \uc131\ud615 \ub2e4\uc774\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774 \ud398\uc774\uc9c0\ub294 \uc6d0\ubb38 \uae30\uc0ac\uc758 \ub450 \uacc4\uc5f4\uc5d0 \ub300\ud55c \ud1b5\ud569 \uc2e4\ubb34 \ud45c\uc640 \uadf8\uc5d0 \ub300\uc751\ud558\ub294 \ub728\uc784 \ubc18\uc751 \uace1\uc120\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc800\ud569\uae08 \ud2b9\uc218 \ubaa9\uc801 \uacf5\uad6c\uac15<\/h2>\n\n\n\n

L \uac15\uc885\uc740 \uc774 \uacc4\uc5f4\uc5d0\uc11c \ub2e4\ub8e8\uae30 \uc26c\uc6b4 \ucabd\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uac00 \ucda9\ubd84\ud788 \ub0ae\uc544 \uc608\uc5f4\uc774 \uac70\uc758 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc73c\uba70, \ud06c\ub86c\uacfc \uae30\ud0c0 \ud569\uae08 \uc6d0\uc18c\uc758 \ucca8\uac00\ub85c \uc720\uc0ac\ud55c \uc77c\ubc18 \uc218\ub0c9 \uacbd\ud654 \uac15\uc885\ubcf4\ub2e4 \ub0b4\ub9c8\ubaa8\uc131\uacfc \uacbd\ud654\ub2a5\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4. L1, L3, L4, L7\uc740 \uc591\uc0b0\uc6a9 \ubca0\uc5b4\ub9c1\uac15 52100\uacfc \uc720\uc0ac\ud558\uba70 \ube44\uc2b7\ud55c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud45c 1\uc740 \uc774 \uadf8\ub8f9\uc758 \uc6d0\ubb38 \uc694\uc57d\uc774\uba70, \uadf8\ub9bc 1\uc740 \uadf8\uc911 \ub2e4\uc12f \uac15\uc885\uc758 \uacbd\ub3c4\uc5d0 \ub728\uc784\uc774 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

\uac15\uc885<\/th>\ub178\uba40\ub77c\uc774\uc9d5 \uc628\ub3c4 (a), °C<\/th>\ub178\uba40\ub77c\uc774\uc9d5 \uc628\ub3c4 (a), °F<\/th>\uc5b4\ub2d0\ub9c1<\/th>\uacbd\ud654<\/th><\/tr>
\uc628\ub3c4 (b)<\/th>\ub0c9\uac01 \uc18d\ub3c4 (c)<\/th>\uc5b4\ub2d0\ub9c1 \uacbd\ub3c4, HB<\/th>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4 (d)<\/th>\uc720\uc9c0 \uc2dc\uac04, \ubd84<\/th>\ub2f4\uae08\uc9c8 \ub9e4\uccb4<\/th>\ub2f4\uae08\uc9c8 \uacbd\ub3c4, HRC (e)<\/th><\/tr>
\u00b0C<\/th>\u00b0F<\/th>°C\/h<\/th>°F\/h<\/th>\u00b0C<\/th>\u00b0F<\/th><\/tr><\/thead>
L1<\/td>900<\/td>1650<\/td>775-800<\/td>1425-1475<\/td>22<\/td>40<\/td>179-207<\/td>790-845 \/ 1450-1550<\/td>10-30<\/td>O, W<\/td>64<\/td><\/tr>
L2<\/td>870-900<\/td>1600-1650<\/td>760-790<\/td>1400-1450<\/td>22<\/td>40<\/td>163-197<\/td>790-845 \/ 1450-1550<\/td>10-30<\/td>W<\/td>63<\/td><\/tr>
L3<\/td>900<\/td>1650<\/td>790-815<\/td>1450-1500<\/td>22<\/td>40<\/td>174-201<\/td>845-925 \/ 1550-1700<\/td>10-30<\/td>O<\/td>63<\/td><\/tr>
L6<\/td>870<\/td>1600<\/td>760-790<\/td>1400-1450<\/td>22<\/td>40<\/td>183-212<\/td>790-845 \/ 1450-1550<\/td>10-30<\/td>O<\/td>62<\/td><\/tr>
L7<\/td>900<\/td>1650<\/td>790-815<\/td>1450-1500<\/td>22<\/td>40<\/td>183-212<\/td>815-870 \/ 1500-1600<\/td>10-30<\/td>O<\/td>64<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98: \ud2b9\uc815 \ub4f1\uae09 \uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac(Heat Treating of Specific Classes of Tool Steels) \ud45c 16. O, \uc624\uc77c; W, \ubb3c. (a) \uade0\uc77c\ud558\uac8c \uc804\uccb4 \uac00\uc5f4\ub41c \ud6c4\uc758 \uc720\uc9c0 \uc2dc\uac04\uc740 \uc18c\ub2e8\uba74\uc758 \uacbd\uc6b0 \uc57d 15\ubd84\uc5d0\uc11c \ub300\ub2e8\uba74\uc758 \uacbd\uc6b0 \uc57d 1\uc2dc\uac04\uae4c\uc9c0 \ub2e4\uc591\ud558\uba70, \uacf5\uc791\ubb3c\uc740 \uc815\uc9c0 \uacf5\uae30 \uc911\uc5d0\uc11c \uc628\ub3c4\ub85c\ubd80\ud130 \ub0c9\uac01\ub41c\ub2e4. (b) \uc18c\ub2e8\uba74\uc5d0\ub294 \ud558\ud55c\uc744, \ub300\ub2e8\uba74\uc5d0\ub294 \uc0c1\ud55c\uc744 \uc0ac\uc6a9\ud558\uba70, \uacbd\ub2e8\uba74 \ubc0f \uc18c\ub7c9 \uc7a5\uc785\uc758 \uacbd\uc6b0 \uc57d 1\uc2dc\uac04, \uc911\ub2e8\uba74 \ubc0f \ub300\ub7c9 \uc7a5\uc785\uc758 \uacbd\uc6b0 \uc57d 4\uc2dc\uac04, \ub610\ub294 \ud329 \uc5b4\ub2d0\ub9c1\uc758 \uacbd\uc6b0 \ud329 \ub2e8\uba74 1\uc778\uce58\ub2f9 1\uc2dc\uac04 \ub3d9\uc548 \uc720\uc9c0\ud55c\ub2e4. (c) \ucd5c\ub300 \uc18d\ub3c4\uc774\uba70, 540 °C (1000 °F) \ubbf8\ub9cc\uc73c\ub85c \ub0c9\uac01\ub41c \ud6c4\uc5d0\ub294 \uc18d\ub3c4\uac00 \uc911\uc694\ud558\uc9c0 \uc54a\ub2e4. (d) \uc774 \uac15\uc885\uc740 \uc608\uc5f4\uc744 \uac70\uc758 \ud558\uc9c0 \uc54a\ub294\ub2e4. (e) \uc77c\ubc18\uc801\uc778 \ud3c9\uade0\uac12\uc73c\ub85c, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4 \ubc0f \uc0ac\uc6a9\ub41c \ub2f4\uae08\uc9c8 \ub9e4\uccb4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4. \ucd9c\ucc98\uc5d0\ub294 L3\uc5d0 \ub300\ud55c \ub450 \uac00\uc9c0 \ucd94\uac00 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc635\uc158\ub3c4 \ub098\uc640 \uc788\ub294\ub370, 775-815 °C (1425-1500 °F)\uc5d0\uc11c \uc218\ub0c9\ud558\uc5ec 64 HRC, 815-870 °C (1500-1600 °F)\uc5d0\uc11c \uc720\ub0c9\ud558\uc5ec 64 HRC\uc774\ub2e4.<\/em><\/p>\n\n\n\n

\"Hardness
\uadf8\ub9bc 1. \uc800\ud569\uae08 \ud2b9\uc218 \ubaa9\uc801 \uacf5\uad6c\uac15\uc758 2\uc2dc\uac04 \ub728\uc784 \ud6c4 \uacbd\ub3c4. \uc6d0\ubb38 \uadf8\ub9bc\uc5d0\uc11c \uc7ac\ud604. \uac01 \ud328\ub110\uc740 \ud558\ub098\uc758 \uac15\uc885\uc774\uba70 \uace1\uc120\uc758 \ub77c\ubca8\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uc640 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\ub97c \ub098\ud0c0\ub0b4\ubbc0\ub85c, L1 \ud328\ub110\uc5d0\ub294 815 °C\uc5d0\uc11c\uc758 \uc218\ub0c9\uacfc 855 °C\uc5d0\uc11c\uc758 \uc720\ub0c9\uc774 \ubaa8\ub450 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n

\ud0c4\uc18c-\ud145\uc2a4\ud150 \ud2b9\uc218 \ubaa9\uc801 \uacf5\uad6c\uac15<\/h2>\n\n\n\n

F \uac15\uc885\uc740 \uacc4\uc5f4 \uc804\uccb4\uac00 \uacbd\ud654 \uae4a\uc774\uac00 \uc595\uc73c\uba70, \uc77c\ubc18\uc801\uc73c\ub85c \ubb3c \ub610\ub294 \uc5fc\uc218\uc5d0\uc11c \ub2f4\uae08\uc9c8\ub418\uba70, F3\ub294 \ud06c\ub86c \ucca8\uac00\ub85c \uc778\ud574 \uacbd\ud654\ub2a5\uc774 \uac00\uc7a5 \ub192\uc2b5\ub2c8\ub2e4. \ub2e8\uc870 \ud6c4 \ub610\ub294 \uacbd\ud654 \uc628\ub3c4 \uc774\uc0c1\uc73c\ub85c \uac00\uc5f4\ub41c \ubaa8\ub4e0 \uacf5\uc815 \ud6c4\uc5d0\ub294 \ub178\uba40\ub77c\uc774\uc9d5\ud574\uc57c \ud558\uba70, \ub178\uba40\ub77c\uc774\uc9d5 \ubc0f \uc5b4\ub2d0\ub9c1 \uc2e4\ubb34\ub294 L \uac15\uc885\uc744 \ub530\ub985\ub2c8\ub2e4. \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc804\uc5d0 650 °C (1200 °F)\uc5d0\uc11c \uc608\uc5f4\ud558\ub294 \uac83\uc774 \uad8c\uc7a5\ub418\uba70, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\ub294 \uac15\uc885\uc5d0 \ub530\ub77c 790~870 °C (1450~1600 °F) \ubc94\uc704\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubb3c \ubc0f \uc5fc\uc218 \ub2f4\uae08\uc9c8\uc740 \uc774\ub7ec\ud55c \ubd80\ud488\uc5d0 \ub9ce\uc740 \ubcc0\ud615\uc744 \uc77c\uc73c\ud0a4\uba70, \uadf8 \ubcc0\ud615\uc740 \ud55c \uac00\uc9c0 \uc6a9\ub3c4\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uce58\uc218\uac00 \uacfc\ub300\ud558\uac8c \ub9c8\ubaa8\ub41c \ub0c9\uac04 \ub4dc\ub85c\uc789 \ub2e4\uc774\ub294 \uc7ac\uacbd\ud654 \ubc0f \ud50c\ub7ec\uc2dc \ub2f4\uae08\uc9c8\ub418\ub294\ub370, \uc774\ub294 \ubb3c\uc904\uae30\ub97c \ubcf4\uc5b4 \uc548\uc73c\ub85c \ubd84\uc0ac\ud558\ub294 \uac83\uc73c\ub85c \ubcf4\uc5b4\uac00 \uc218\ucd95\ud558\uc5ec \ub2e4\uc774\uac00 \ub3d9\uc77c\ud55c \uc81c\ud488 \uce58\uc218\ub85c \uc7ac\uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. F \uac15\uc885\uc73c\ub85c \ub9cc\ub4e0 \uacf5\uad6c\ub294 \uc8fc\ub85c \ub0b4\ub9c8\ubaa8\uc131\uc774 \uc694\uad6c\ub418\ub294 \uacf3\uc5d0 \uc0ac\uc6a9\ub418\ubbc0\ub85c \ucd5c\ub300 \uacbd\ub3c4 \ub610\ub294 \uadf8 \uadfc\ucc98\uc5d0\uc11c \uc0ac\uc6a9\ub418\uba70, 205 °C (400 °F) \uc774\uc0c1\uc758 \ub728\uc784 \uc628\ub3c4\ub294 \uac70\uc758 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud45c 2\ub294 \uc2e4\ubb34 \ud45c\uc774\uba70 \uadf8\ub9bc 2\ub294 \ub728\uc784 \ubc18\uc751\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uac15\uc885<\/th>\ub178\uba40\ub77c\uc774\uc9d5 \uc628\ub3c4 (a), °C<\/th>\ub178\uba40\ub77c\uc774\uc9d5 \uc628\ub3c4 (a), °F<\/th>\uc5b4\ub2d0\ub9c1<\/th>\uacbd\ud654<\/th><\/tr>
\uc628\ub3c4 (b)<\/th>\ub0c9\uac01 \uc18d\ub3c4 (c)<\/th>\uc5b4\ub2d0\ub9c1 \uacbd\ub3c4, HB<\/th>\uc608\uc5f4<\/th>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654<\/th>\uc720\uc9c0 \uc2dc\uac04, \ubd84<\/th>\ub2f4\uae08\uc9c8 \ub9e4\uccb4<\/th>\ub2f4\uae08\uc9c8 \uacbd\ub3c4, HRC (d)<\/th><\/tr>
\u00b0C<\/th>\u00b0F<\/th>°C\/h<\/th>°F\/h<\/th>\u00b0C<\/th>\u00b0F<\/th>\u00b0C<\/th>\u00b0F<\/th><\/tr><\/thead>
F1<\/td>900<\/td>1650<\/td>760-800<\/td>1400-1475<\/td>22<\/td>40<\/td>183-207<\/td>650<\/td>1200<\/td>790-870<\/td>1450-1600<\/td>15<\/td>W, B<\/td>64<\/td><\/tr>
F2<\/td>900<\/td>1650<\/td>790-815<\/td>1450-1500<\/td>22<\/td>40<\/td>207-235<\/td>650<\/td>1200<\/td>790-870<\/td>1450-1600<\/td>15<\/td>W, B<\/td>66<\/td><\/tr>
F3<\/td>900<\/td>1650<\/td>790-815<\/td>1450-1500<\/td>22<\/td>40<\/td>212-248<\/td>650<\/td>1200<\/td>790-870<\/td>1450-1600<\/td>15<\/td>W, B, O<\/td>66<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98: \ud2b9\uc815 \ub4f1\uae09 \uacf5\uad6c\uac15\uc758 \uc5f4\ucc98\ub9ac(Heat Treating of Specific Classes of Tool Steels) \ud45c 17. W, \ubb3c; B, \uc5fc\uc218; O, \uc624\uc77c. (a) \uade0\uc77c\ud558\uac8c \uc804\uccb4 \uac00\uc5f4\ub41c \ud6c4\uc758 \uc720\uc9c0 \uc2dc\uac04\uc740 \uc18c\ub2e8\uba74\uc758 \uacbd\uc6b0 \uc57d 15\ubd84\uc5d0\uc11c \ub300\ub2e8\uba74\uc758 \uacbd\uc6b0 \uc57d 1\uc2dc\uac04\uae4c\uc9c0 \ub2e4\uc591\ud558\uba70, \uacf5\uc791\ubb3c\uc740 \uc815\uc9c0 \uacf5\uae30 \uc911\uc5d0\uc11c \uc628\ub3c4\ub85c\ubd80\ud130 \ub0c9\uac01\ub41c\ub2e4. (b) \uc18c\ub2e8\uba74\uc5d0\ub294 \ud558\ud55c\uc744, \ub300\ub2e8\uba74\uc5d0\ub294 \uc0c1\ud55c\uc744 \uc0ac\uc6a9\ud558\uba70, \uacbd\ub2e8\uba74 \ubc0f \uc18c\ub7c9 \uc7a5\uc785\uc758 \uacbd\uc6b0 \uc57d 1\uc2dc\uac04, \uc911\ub2e8\uba74 \ubc0f \ub300\ub7c9 \uc7a5\uc785\uc758 \uacbd\uc6b0 \uc57d 4\uc2dc\uac04, \ub610\ub294 \ud329 \uc5b4\ub2d0\ub9c1\uc758 \uacbd\uc6b0 \ud329 \ub2e8\uba74 1\uc778\uce58\ub2f9 1\uc2dc\uac04 \ub3d9\uc548 \uc720\uc9c0\ud55c\ub2e4. (c) \ucd5c\ub300 \ub0c9\uac01 \uc18d\ub3c4\uc774\uba70, \uac15\uc774 540 °C (1000 °F) \ubbf8\ub9cc\uc73c\ub85c \ub0c9\uac01\ub41c \ud6c4\uc5d0\ub294 \uc18d\ub3c4\uac00 \uc911\uc694\ud558\uc9c0 \uc54a\ub2e4. (d) \uc77c\ubc18\uc801\uc778 \ud3c9\uade0 \uacbd\ub3c4\uac12\uc73c\ub85c, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4 \ubc0f \uc0ac\uc6a9\ub41c \ub2f4\uae08\uc9c8 \ub9e4\uccb4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\ub2e4.<\/em><\/p>\n\n\n\n

\"Tempering
\uadf8\ub9bc 2. \uc5fc\uc218 \ub2f4\uae08\uc9c8 \ud6c4 2\uc2dc\uac04 \ub728\uc784\ud55c \ud0c4\uc18c-\ud145\uc2a4\ud150 \ud2b9\uc218 \ubaa9\uc801 \uacf5\uad6c\uac15\uc758 \ub728\uc784 \ud2b9\uc131. \uc6d0\ubb38 \uadf8\ub9bc\uc5d0\uc11c \uc7ac\ud604. \uc138 \uace1\uc120\uc740 F1\uc740 815 °C, F2\ub294 845 °C, F3\ub294 870 °C\uc5d0\uc11c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ud558\uc5ec \ubaa8\ub450 \uc5fc\uc218 \ub2f4\uae08\uc9c8\ud55c \uac83\uc774\uba70, \uace1\uc120 \uac04\uc758 \ucc28\uc774\ub294 \ub728\uc784\uc774 \uc2dc\uc791\ub418\uae30\ub3c4 \uc804\uc5d0 \uacbd\ub3c4\uc758 \uc0c1\ub2f9 \ubd80\ubd84\uc774 \uacb0\uc815\ub428\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/figcaption><\/figure>\n\n\n\n

\uc774 \ub450 \uacc4\uc5f4\uc774 \uc874\uc7ac\ud558\ub294 \uc774\uc720<\/h2>\n\n\n\n

\uc5b4\ub290 \uacc4\uc5f4\ub3c4 \ubc94\uc6a9 \uacf5\uad6c\uac15\uc774 \uc544\ub2c8\uba70 D2\ub098 M2\uc758 \ub300\uccb4\ud488\ub3c4 \uc544\ub2d9\ub2c8\ub2e4. L \uac15\uc885\uc740 \uac15\uc778\ud558\uace0 \uacbd\ud654 \uac00\ub2a5\ud558\uba70 \uc800\ub834\ud55c \uac15\uc73c\ub85c \uc801\ub2f9\ud55c \ub0b4\ub9c8\ubaa8\uc131\uc744 \uac00\uc9c0\uba70 \uc5f4\ucc98\ub9ac\uac00 \uc26c\uc6b4 \uac15\uc774 \ud544\uc694\ud560 \ub54c \uc120\ud0dd\ub418\uba70, \uc774 \ub54c\ubb38\uc5d0 \ubca0\uc5b4\ub9c1 \uc0b0\uc5c5\uc5d0\uc11c \ub3d9\uc77c\ud55c \ud654\ud559 \uc870\uc131\uc744 \ub300\ub7c9\uc73c\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. F \uac15\uc885\uc740 \ub9c8\ubaa8\uac00 \uc5f0\ub9c8\uc131\uc774\uace0 \ud558\uc911\uc774 \uac00\ubcbc\uc6b0\uba70, \ub0a0\ub05d\uc758 \uc778\uc131\ubcf4\ub2e4 \ub2e8\ub2e8\ud558\uace0 \uc5f0\ub9c8\ub41c \ud45c\uba74\uc774 \ub354 \uc911\uc694\ud560 \ub54c \uc120\ud0dd\ub429\ub2c8\ub2e4. \ub450 \uacbd\uc6b0 \ubaa8\ub450 \ub2f4\uae08\uc9c8\uc744 \ud3b8\uc758\uc5d0 \ub530\ub77c \uc120\ud0dd\ud558\uba74 \uac15\uc885\uc758 \uc874\uc7ac \uc774\uc720\uac00 \uc0c1\uc2e4\ub418\ubbc0\ub85c, \ud45c\uc758 \ub9e4\uccb4\ub294 \uc81c\uc548\uc774 \uc544\ub2cc \uc694\uad6c \uc0ac\ud56d\uc774\uba70, \ud2b9\ud788 L3\uc640 F1 \uac15\uc885\uc740 \ub3d9\uc77c\ud55c \uac15\uc744 \ub450 \uac00\uc9c0 \ubc29\uc2dd\uc73c\ub85c \ub2f4\uae08\uc9c8\ud560 \ub54c \uacbd\ub3c4\uac00 \uc5bc\ub9c8\ub098 \ubcc0\ud558\ub294\uc9c0 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

\ucd9c\ucc98: ASM Handbook, Volume 4, Heat Treating, ASM International, 1991.<\/p>","protected":false},"excerpt":{"rendered":"

Special Purpose Tool Steel Heat Treatment Two small tool steel families sit outside the main groups and both are made for one job each. The low-alloy special-purpose grades of the L group are low-carbon, chromium-bearing steels close in composition to the bearing steel 52100, and they are used where a tool needs wear resistance and 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Purpose Tool Steel Heat Treatment Two small tool steel families sit outside the main groups and both are made for one job each. The low-alloy special-purpose grades of the L group are low-carbon, chromium-bearing steels close in composition to the bearing steel 52100, and they are used where a tool needs wear resistance and…","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"Special Purpose Tool Steel Heat Treatment Two small tool steel families sit outside the main groups and both are made for one job each. The low-alloy special-purpose grades of the L group are low-carbon, chromium-bearing steels close in composition to the bearing steel 52100, and they are used where a tool needs wear resistance and…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/20890","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/comments?post=20890"}],"version-history":[{"count":6,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/20890\/revisions"}],"predecessor-version":[{"id":23195,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/20890\/revisions\/23195"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=20890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}