{"id":21272,"date":"2026-10-08T04:43:50","date_gmt":"2026-10-07T20:43:50","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=21272"},"modified":"2026-10-16T01:54:55","modified_gmt":"2026-10-15T17:54:55","slug":"microconstituents-tool-steel-after-hardening","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/microconstituents-tool-steel-after-hardening\/","title":{"rendered":"\uacbd\ud654 \ud6c4 \uacf5\uad6c\uac15\uc758 \ubbf8\uc138\uc870\uc9c1 \uad6c\uc131\uc0c1"},"content":{"rendered":"

\uacbd\ud654 \ud6c4 \uacf5\uad6c\uac15\uc758 \ubbf8\uc138\uc870\uc9c1 \uad6c\uc131\uc0c1<\/h1>\n\n\n\n

\uacbd\ud654\ub41c \uacf5\uad6c\uac15\uc740 \ub2e8\uc77c \uc870\uc9c1\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8, \ubbf8\uc6a9\ud574 \ud0c4\ud654\ubb3c\uc774 \ud568\uaed8 \uc874\uc7ac\ud558\uba70, \uac01\uac01\uc758 \ubd84\uc728\uc774 \ubd80\ud488\uc774 \ub3c4\ub2ec\ud558\ub294 \uacbd\ub3c4, \uc720\uc9c0\ud558\ub294 \uc778\uc131, \uadf8\ub9ac\uace0 \ucc98\ub9ac \uc911 \ubcc0\ud615\ub7c9\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc774 \ud398\uc774\uc9c0\ub294 \uad8c\uc7a5 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uc5d0\uc11c \ub2f4\uae08\uc9c8\ud55c \ub124 \uac00\uc9c0 \uacf5\uad6c\uac15\uc758 \uce21\uc815\ub41c \ubd80\ud53c \ubc31\ubd84\uc728\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc138 \uac00\uc9c0 \uad6c\uc131\uc0c1<\/h2>\n\n\n\n

\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub294 \uacbd\uc9c8 \uad6c\uc131\uc0c1\uc73c\ub85c \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uacbd\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub294 \ub2f4\uae08\uc9c8 \uc911\uc5d0 \ud615\uc131\ub418\uba70, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uc5d0\uc11c \uc720\uc9c0\ub41c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \ud0c4\uc18c \ud655\uc0b0 \uc5c6\uc774 \ubcc0\ud0dc\ud560 \ub9cc\ud07c \ube60\ub974\uac8c \ub0c9\uac01\ub420 \ub54c \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub294 \ubcc0\ud0dc\ud558\uc9c0 \uc54a\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ubd80\ubd84\uc73c\ub85c \uc0c1\uc628\uc5d0\uc11c\ub3c4 \uc5ec\uc804\ud788 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ubcf4\ub2e4 \uc5f0\ud558\uba70, \ub098\uc911\uc5d0 \ubcc0\ud0dc\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \uac15\uc774 \ud15c\ud37c\ub9c1\ub418\uac70\ub098 \uace0\uc628\uc5d0\uc11c \uc0ac\uc6a9\ub420 \ub54c \ubcc0\ud615\uc744 \uc77c\uc73c\ud0a4\ub294 \uad6c\uc131\uc0c1\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubbf8\uc6a9\ud574 \ud0c4\ud654\ubb3c\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc911\uc5d0 \uace0\uc6a9\ub418\uc9c0 \uc54a\uc740 \ud569\uae08 \ud0c4\ud654\ubb3c\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc740 \ud574\ub2f9 \uac15\uc885\uc758 \ub0b4\ub9c8\ubaa8\uc131\uc744 \ub2f4\ub2f9\ud558\uba70, \ubbf8\uc6a9\ud574 \uc0c1\ud0dc\ub85c \ub0a8\ub294 \ubd80\ud53c\ub294 \ud0c4\ud654\ubb3c \ud615\uc131 \ud569\uae08 \uc6d0\uc18c \ud568\ub7c9, \uc8fc\ub85c \ud06c\ub86c, \ubab0\ub9ac\ube0c\ub374, \ud145\uc2a4\ud150, \ubc14\ub098\ub4d0\uc5d0 \ub530\ub77c \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc138 \uad6c\uc131\uc0c1 \uac04\uc758 \uade0\ud615\uc740 \uac15\uc885\uc758 \ud569\uae08 \ud568\ub7c9, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4, \ub2f4\uae08\uc9c8\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4. \ud569\uae08 \ud568\ub7c9\uc774 \uc138 \uac00\uc9c0 \ubcc0\uc218 \uc911 \uac00\uc7a5 \ud070\ub370, \uace0\uc6a9\ub41c \ud569\uae08 \uc6d0\uc18c\uac00 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc2dc\uc791 \uc628\ub3c4\ub97c \ub0ae\ucd94\uc5b4 \uc0c1\uc628\uc5d0\uc11c \ub354 \ub9ce\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \ubbf8\ubcc0\ud0dc \uc0c1\ud0dc\ub85c \ub0a8\uae30\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacbd\ud654 \ud6c4 \ubd80\ud53c \ubc31\ubd84\uc728<\/h2>\n\n\n\n
\uac15\uc885<\/th>\uacbd\ud654 \ucc98\ub9ac<\/th>\ub2f4\uae08\uc9c8 \uc0c1\ud0dc \uacbd\ub3c4, HRC<\/th>\ub9c8\ub974\ud150\uc0ac\uc774\ud2b8, vol%<\/th>\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8, vol%<\/th>\ubbf8\uc6a9\ud574 \ud0c4\ud654\ubb3c, vol%<\/th><\/tr><\/thead>
W1<\/td>790 °C (1450 °F), 30\ubd84; WQ<\/td>67.0<\/td>88.5<\/td>9<\/td>2.5<\/td><\/tr>
L3<\/td>845 °C (1550 °F), 30\ubd84; OQ<\/td>66.5<\/td>90<\/td>7<\/td>3.0<\/td><\/tr>
M2<\/td>1225 °C (2235 °F), 6\ubd84; OQ<\/td>64<\/td>71.5<\/td>20<\/td>8.5<\/td><\/tr>
D2<\/td>1040 °C (1900 °F), 30\ubd84; AC<\/td>62<\/td>45<\/td>40<\/td>15<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uad8c\uc7a5 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uc5d0\uc11c \uacbd\ud654 \ud6c4 W1, L3, M2, D2 \uacf5\uad6c\uac15\uc758 \ubbf8\uc138\uc870\uc9c1 \uad6c\uc131\uc0c1. WQ, \uc218\ub0c9; OQ, \uc720\ub0c9; AC, \uacf5\ub7ad. \ucd9c\ucc98: ASM Handbook, Volume 4, Heat Treating \uc911 Size Distortion in Tool Steels\uc758 Table 1.<\/em><\/p>\n\n\n\n

\n

\ub124 \uac00\uc9c0 \uacf5\uad6c\uac15\uc758 \uacbd\ud654 \uc870\uc9c1, \uc778\uc1c4 \uac00\ub2a5\ud55c PDF<\/strong><\/p>\n\n

W1, L3, M2, D2\uc758 \uc138 \uac00\uc9c0 \ubd80\ud53c \ubc31\ubd84\uc728\uacfc \uac01 \uc218\uce58\uac00 \uc801\uc6a9\ub418\ub294 \uacbd\ud654 \ucc98\ub9ac\ub97c \ub2f9\uc0ac \uc5f0\ub77d\ucc98\uc640 \ud568\uaed8 \ud558\ub098\uc758 PDF\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n

\n
PDF \ub2e4\uc6b4\ub85c\ub4dc<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

\uc218\uce58\uac00 \ub9d0\ud558\ub294 \uac83<\/h2>\n\n\n\n

W1\uc740 \uc77c\ubc18 \ud0c4\uc18c \uc218\ub0c9 \uacbd\ud654 \uac15\uc885\uc73c\ub85c, \ub2f4\uae08\uc9c8 \ud6c4 \uac70\uc758 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub9cc\uc73c\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. 67.0 HRC\uc5d0\uc11c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 88.5 vol%, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 9 vol%, \ubbf8\uc6a9\ud574 \ud0c4\ud654\ubb3c 2.5 vol%\ub85c \uce21\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. L3\ub294 66.5 HRC\uc5d0\uc11c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 90 vol%, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 7 vol%\ub85c \uc720\uc0ac\ud558\uac8c \uac70\ub3d9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

M2\uc640 D2\ub294 \ubc18\ub300 \ubc29\ud5a5\uc73c\ub85c \uc6c0\uc9c1\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc758 \ud569\uae08 \ud568\ub7c9\uc774 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc2dc\uc791 \uc628\ub3c4\ub97c \ub0ae\ucd94\uc5b4 \ud6e8\uc52c \ub9ce\uc740 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \ub2f4\uae08\uc9c8 \ud6c4\uc5d0\ub3c4 \uc794\uc874\ud569\ub2c8\ub2e4. \uce21\uc815\ub41c \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub294 M2\uc5d0\uc11c 20 vol%, D2\uc5d0\uc11c 40 vol%\uc785\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \ud569\uae08\ud654\ub85c M2\uc5d0\uc11c\ub294 \ud0c4\ud654\ubb3c 8.5 vol%, D2\uc5d0\uc11c\ub294 15 vol%\uac00 \ubbf8\uc6a9\ud574 \uc0c1\ud0dc\ub85c \ub0a8\uc2b5\ub2c8\ub2e4. \ub450 \uac15\uc885 \ubaa8\ub450 W1\uc758 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uc9c0 \ubabb\ud558\uba70, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uadf8 \uc6d0\uc778\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub450 \uc218\uce58 \ubaa8\ub450 \ud568\uaed8 \ud544\uc694\ud569\ub2c8\ub2e4. \ud0c4\ud654\ubb3c \ubd80\ud53c\ub294 D2 \uacf5\uad6c\uac15<\/a> \uc5f0\ub9c8 \uc791\uc5c5\uc5d0\uc11c \ub0a0\uc744 \uc720\uc9c0\ud558\uac8c \ud558\ub294 \uc694\uc18c\uc774\uba70, \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ubd80\ud53c\ub294 \ub3d9\uc77c \uac15\uc885\uc774 \uc0ac\uc6a9 \uc804\uc5d0 \ud15c\ud37c\ub9c1\ub418\uace0, \ub9ce\uc740 \uc791\uc5c5\uc5d0\uc11c \ub450 \ubc88 \ud15c\ud37c\ub9c1\ub418\ub294 \ud070 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ucc98\ub9ac \ubc29\ubc95<\/h2>\n\n\n\n

\ud15c\ud37c\ub9c1\uc774 \uc77c\ubc18\uc801\uc778 \ud574\ubc95\uc785\ub2c8\ub2e4. \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 120~260 °C (250~500 °F) \ubc94\uc704\ub85c \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uc758 \uc77c\ubd80\uac00 \ubca0\uc774\ub098\uc774\ud2b8\ub85c \ubcc0\ud0dc\ud558\uba70, \uc774 \ubcc0\ud0dc\uc5d0\ub294 \ubd80\ud53c \ud33d\ucc3d\uc774 \ub3d9\ubc18\ub429\ub2c8\ub2e4. \uace0\ud569\uae08 \uac15\uc885\uc5d0\uc11c\ub294 \uc804\ubd80 \ubcc0\ud0dc\ud558\uc9c0 \uc54a\uc544 1\ud68c \ud15c\ud37c\ub9c1 \ud6c4\uc5d0\ub3c4 \uc77c\ubd80 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uc870\uc9c1\uc5d0 \ub0a8\uc2b5\ub2c8\ub2e4. \uc57d 540~595 °C (1000~1100 °F) \uc774\uc0c1\uc5d0\uc11c\ub294 \ud15c\ud37c\ub9c1 \uc911 \ud615\uc131\ub41c \uc2dc\uba58\ud0c0\uc774\ud2b8\uac00 \ud569\uae08 \ud0c4\ud654\ubb3c\ub85c \uc7ac\uace0\uc6a9\ub418\uc5b4 \ucd94\uac00 \ubd80\ud53c \ud33d\ucc3d\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \ub450 \uac00\uc9c0 \ud6a8\uacfc \ub54c\ubb38\uc5d0 \uace0\ud569\uae08 \uac15\uc885\uc5d0\uc11c\ub294 \ud15c\ud37c\ub9c1 \uc21c\uc11c\ub97c \ucd94\uce21\uc774 \uc544\ub2cc \uacc4\ud68d\uc73c\ub85c \uc815\ud569\ub2c8\ub2e4. \ub124 \uac15\uc885\uc774 \ucd9c\ubc1c\ud558\ub294 \uc870\uc9c1\uc740 \uac15\uc885\ubcc4\ub85c \ub2e4\uc74c \ud398\uc774\uc9c0\uc5d0 \uc124\uba85\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: \uacf5\uad6c\uac15 \ubbf8\uc138\uc870\uc9c1 \ud398\uc774\uc9c0<\/a>, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \uc904\uc774\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uc5d0 \uc815\ub9ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8 \ud398\uc774\uc9c0<\/a>, \ubcc0\ud0dc\uac00 \uc77c\uc73c\ud0a4\ub294 \ubcc0\ud615\uc740 \ub2e4\uc74c\uc5d0 \uc218\uc9d1\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: \ubd80\ud53c \ubcc0\ud654 \ud398\uc774\uc9c0<\/a>. \ud15c\ud37c\ub9c1 \uc911\uc774 \uc544\ub2c8\ub77c \ud15c\ud37c\ub9c1 \uc804\uc5d0 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \uc81c\uac70\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \uadf8 \ucc98\ub9ac\ub294 \ub2e4\uc74c\uc5d0 \uc124\uba85\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: \uc2ec\ub0c9 \ucc98\ub9ac \ud398\uc774\uc9c0<\/a>. \ud45c\uc5d0 \uc788\ub294 \uace0\uc18d\ub3c4 \uac15\uc885\uc778 M2 \uacf5\uad6c\uac15<\/a>\uc740 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uac00\uc7a5 \uc790\uc8fc \uc5b8\uae09\ub418\ub294 \uac15\uc885\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uac12\ub4e4\uc744 \uc0ac\uc6a9\ud558\uae30 \uc804\uc5d0<\/h3>\n\n\n\n

\uc774 \ud398\uc774\uc9c0\ub294 \uacf5\uac1c\ub41c \uc2e4\ubb34\uc5d0 \ub300\ud55c \ucc38\uace0 \uc694\uc57d\uc774\uba70 Aobo Steel\uc758 \uaddc\uaca9\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ubd80\ud53c \ubc31\ubd84\uc728\uc740 \uba85\uc2dc\ub41c \ub124 \uac15\uc885\uc5d0 \ub300\ud574 \uc8fc\uc5b4\uc9c4 \uacbd\ud654 \ucc98\ub9ac\uc5d0\uc11c\uc758 \uacf5\uac1c \uc218\uce58\uc774\uba70, \ub2e4\ub978 \ub85c, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ub610\ub294 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uc5d0\uc11c\ub294 \uc815\ud655\ud788 \uc7ac\ud604\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uacf5\uad6c\uac00 \ubc1b\ub294 \ucc98\ub9ac\ub294 \uc5f4\ucc98\ub9ac \uc5c5\uccb4\uc758 \ucc45\uc784\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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

Microconstituents in Tool Steels After Hardening A hardened tool steel is not one structure. It is martensite, retained austenite and undissolved carbides together, and the share each one takes decides the hardness the part reaches, the toughness it keeps and how much it moves during the treatment. This page gives the measured volume percentages for […]<\/p>\n","protected":false},"author":1,"featured_media":0,"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":"","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":"default","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 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| Chart<\/title>\n<meta name=\"description\" content=\"Volume percentages of martensite, retained austenite and undissolved carbides in W1, L3, M2 and D2 tool steel after hardening.\" \/>\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\/microconstituents-tool-steel-after-hardening\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microconstituents in Tool Steels After Hardening\" \/>\n<meta property=\"og:description\" content=\"Volume percentages of martensite, retained austenite and undissolved carbides in W1, L3, M2 and D2 tool steel after hardening.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/microconstituents-tool-steel-after-hardening\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta 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