{"id":19901,"date":"2026-09-27T03:09:40","date_gmt":"2026-09-26T19:09:40","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=19901"},"modified":"2026-10-16T00:07:43","modified_gmt":"2026-10-15T16:07:43","slug":"m4-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/m4-tool-steel-heat-treatment\/","title":{"rendered":"M4 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac"},"content":{"rendered":"

M4 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac<\/h1>\n\n\n\n

M4 \ubab0\ub9ac\ube0c\ub374 \uace0\uc18d\ub3c4\uac15\uc5d0 \ub300\ud574 \uc6d0\ubcf8 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \ud654\ud559 \uc870\uc131, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ub77c\uc778\uc785\ub2c8\ub2e4. \uacf5\uac1c\ub41c \uc2e4\ubb34\ub97c \uc694\uc57d\ud55c \ucc38\uace0 \uc790\ub8cc\uc774\uba70 Aobo Steel\uc758 \uc0ac\uc591\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubab0\ub9ac\ube0c\ub374 \uace0\uc18d\ub3c4\uac15 \uadf8\ub8f9\uc758 M4<\/h2>\n\n\n\n

M4\ub294 M \uc2dc\ub9ac\uc988\uc758 \ubab0\ub9ac\ube0c\ub374 \uace0\uc18d\ub3c4\uac15 \uadf8\ub8f9\uc5d0 \uc18d\ud558\uba70, M2 \ubc0f M7\uacfc \uad6c\ubcc4\ub418\ub294 \uc810\uc740 \ubc14\ub098\ub4d0\uc785\ub2c8\ub2e4. \uc774 \ud45c\uc758 \ucd9c\ucc98\uc778 \uce74\ub4dc\uc5d0\ub294 \ubc14\ub098\ub4d0 4.00%, \ud0c4\uc18c 1.30%, \ubab0\ub9ac\ube0c\ub374 4.50%, \ud145\uc2a4\ud150 5.50%, \ud06c\ub86c 4.00%, \ud669 0.27%\uac00 \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ucf54\ubc1c\ud2b8\ub294 \uce74\ub4dc\uc5d0 \ud56d\ubaa9\ub9cc \uc788\uace0 \uc218\uce58\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uc138 \ud45c\ub294 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \ub0b4\uc6a9\ub9cc\uc744 \ub098\ud0c0\ub0b4\uba70, \uac01 \ud654\ud559 \uc870\uc131 \uc218\uce58\ub294 \uc774 \uc0ac\uc774\ud2b8\uc758 \uc870\uc131 \ucc28\ud2b8\uc5d0 \uae30\uc7ac\ub41c \ud574\ub2f9 \uac15\uc885\uc758 \ubc94\uc704\uc640 \ub300\uc870\ud558\uc5ec \ud655\uc778\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uce74\ub4dc\ub294 \uc0ac\uc591\uc11c\uac00 \uc544\ub2c8\ub77c \ud604\uc7a5 \ucc38\uace0 \uc815\ubcf4\uc785\ub2c8\ub2e4. \uc608\uc5f4 \uc628\ub3c4 \ud558\ub098, \uacbd\ud654 \uc628\ub3c4 \ud558\ub098, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ub450 \uac00\uc9c0\ub97c \uae30\uc7ac\ud558\uace0, \uac01 \ud589\uc5d0 \uacbd\ub3c4 \uc218\uce58 \ud558\ub098\uc529\ub9cc \uc788\uace0 \uacf5\ucc28 \ubc94\uc704\ub294 \uc5b4\ub514\uc5d0\ub3c4 \uc5c6\ub294 \ud15c\ud37c\ub9c1 \ud45c\ub97c \uc81c\uc2dc\ud569\ub2c8\ub2e4. \uc0c8 \uac15\uc7ac \ud788\ud2b8\ub85c \uccab \ubd80\ud488\uc744 \uc0dd\uc0b0\ud560 \ub54c\ub294 \uc0ac\uc774\ud074\uc744 \uc591\uc0b0 \uc791\uc5c5\uc5d0 \uc801\uc6a9\ud558\uae30 \uc804\uc5d0 \uc2dc\ud5d8\uc73c\ub85c \ucde8\uae09\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

M4\uc758 \ud654\ud559 \uc870\uc131<\/h2>\n\n\n\n

\ucc38\uace0 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \uc6d0\uc18c, \ud37c\uc13c\ud2b8<\/h3>\n\n\n\n
\uc694\uc18c<\/th>\ud37c\uc13c\ud2b8<\/th><\/tr><\/thead>
\ud0c4\uc18c<\/td>1.30<\/td><\/tr>
Manganese<\/td>0.30<\/td><\/tr>
Silicon<\/td>0.30<\/td><\/tr>
\ud06c\ub86c<\/td>4.00<\/td><\/tr>
\ubab0\ub9ac\ube0c\ub374<\/td>4.50<\/td><\/tr>
\ubc14\ub098\ub4d0<\/td>4.00<\/td><\/tr>
\ud145\uc2a4\ud150<\/td>5.50<\/td><\/tr>
\ud669<\/td>0.27<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, M4 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 191.<\/em><\/p>\n\n\n\n

\uce74\ub4dc\uc5d0\ub294 \uc0ac\uc591 \ubc94\uc704\uac00 \uc544\ub2c8\ub77c \uac01 \uc6d0\uc18c\ubcc4 \uc218\uce58 \ud558\ub098\uac00 \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ucf54\ubc1c\ud2b8\ub294 \uce74\ub4dc\uc5d0 \ud56d\ubaa9\ub9cc \uc788\uace0 \uc218\uce58\uac00 \uc5c6\uc73c\ubbc0\ub85c, \ud574\ub2f9 \ud589\uc740 \uacf5\ub780\uc73c\ub85c \uc778\uc1c4\ud558\ub294 \ub300\uc2e0 \ud45c\uc5d0\uc11c \uc81c\uc678\ud588\uc2b5\ub2c8\ub2e4. \ud669 0.27%\ub294 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \ud574\ub2f9 \uac15\uc885\uc758 \uc218\uce58\uc785\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\ud0c4\uc18c 1.30%\uc640 \ubc14\ub098\ub4d0 4.00%\ub294 \ubab0\ub9ac\ube0c\ub374 \uace0\uc18d\ub3c4\uac15 \uadf8\ub8f9\uc5d0\uc11c M4\ub97c \uad6c\ubcc4\ud558\ub294 \ub450 \uc218\uce58\uc774\uba70, \uce74\ub4dc\uc5d0\ub294 \ubc94\uc704\uac00 \uc544\ub2cc \ub2e8\uc77c \uac12\uc73c\ub85c \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uce74\ub4dc\uc758 \ubaa8\ub4e0 \uc218\uce58\ub294 \uc774 \uc0ac\uc774\ud2b8\uc758 \uc870\uc131 \ucc28\ud2b8\uc5d0 \uae30\uc7ac\ub41c M4, UNS T11304\uc758 \ubc94\uc704(\ud0c4\uc18c 1.25~1.40%, \ud06c\ub86c 3.75~4.75%, \ubab0\ub9ac\ube0c\ub374 4.25~5.50%, \ud145\uc2a4\ud150 5.25~6.50%, \ubc14\ub098\ub4d0 3.75~4.50%) \ub0b4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uac19\uc740 \ucc28\ud2b8\uc5d0\uc11c M2\uc758 \ubc14\ub098\ub4d0\uc740 1.75~2.20%, M7\uc758 \ubc14\ub098\ub4d0\uc740 1.75~2.25%\uc774\ubbc0\ub85c, \uc774 \uce74\ub4dc\uc758 4.00%\ub294 \uc774 \ub450 \ubab0\ub9ac\ube0c\ub374 \uace0\uc18d\ub3c4\uac15 \uac15\uc885\uc774 \ud568\uc720\ud55c \uc591\uc758 \uc57d \ub450 \ubc30\uc774\uba70, \uc774 \uc0ac\uc774\ud2b8\uc758 \ud15c\ud37c\ub9c1 \ucc28\ud2b8\ub294 M4\uc758 \uc720\ud615\uc744 \ubab0\ub9ac\ube0c\ub374 \uace0\uc18d\ub3c4\uac15, \ubc14\ub098\ub4d0\uc73c\ub85c \uae30\uc7ac\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud669\uc740 \uce74\ub4dc\uc5d0 \uc778\uc1c4\ub418\uc5b4 \uc788\uace0 \uc870\uc131 \ucc28\ud2b8\uc5d0\ub294 \uc5c6\uc73c\uba70, \ucf54\ubc1c\ud2b8\ub294 \uc218\uce58\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \ud45c\uc758 \uc870\uc131 \ub370\uc774\ud130\ub294 \uc77c\ubc18 \ucc38\uace0\uc6a9\uc77c \ubfd0\uc774\uba70 \uc2e4\uc81c \uac12\uc740 \ud45c\uc900, \uc81c\uac15\uc18c \ubc0f \ud788\ud2b8 \ubc88\ud638\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ubbc0\ub85c, \ud574\ub2f9 \ud788\ud2b8\uc758 \uc7ac\ub8cc \uc2dc\ud5d8 \uc131\uc801\uc11c\uc640 \ub300\uc870\ud558\uc5ec \uc218\uce58\ub97c \ud655\uc778\ud558\uac70\ub098 Aobo Steel\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

M4\uc758 \uacbd\ud654<\/h2>\n\n\n\n

\uc608\uc5f4, \uacbd\ud654 \uc628\ub3c4 \ubc0f \ub2f4\uae08\uc9c8<\/h3>\n\n\n\n
\ub2e8\uacc4<\/th>M4<\/th><\/tr><\/thead>
\uc608\uc5f4<\/td>1500 \u00b0F (815 \u00b0C)<\/td><\/tr>
\uacbd\ud654<\/td>2225 \u00b0F (1220 \u00b0C)<\/td><\/tr>
\ub2f4\uae08\uc9c8 \ub9e4\uccb4<\/td>\uc720\ub0c9 \ub610\ub294 \uc5fc\uc695 \ub2f4\uae08\uc9c8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, M4 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 191.<\/em><\/p>\n\n\n\n

\uce74\ub4dc\uc5d0\ub294 \ud574\ub2f9 \uac15\uc885\uc5d0 \ub300\ud574 \uc608\uc5f4 \uc628\ub3c4 \ud558\ub098, \uacbd\ud654 \uc628\ub3c4 \ud558\ub098, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ub450 \uac00\uc9c0\uac00 \uae30\uc7ac\ub418\uc5b4 \uc788\uc73c\uba70 \uc5b4\ub290 \uac83\uc5d0\ub3c4 \ub2e8\uba74 \uce58\uc218 \uc870\uac74\uc774 \uc5c6\uc73c\ubbc0\ub85c, \uc218\uce58\ub294 \uae30\uc7ac\ub41c \uadf8\ub300\ub85c\uc758 \ubd80\ud558\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uc0ac\uc774\ud2b8\uc758 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \uc628\ub3c4 \ucc28\ud2b8\ub294 M3 \ubc0f M4 \uadf8\ub8f9\uc5d0 2200~2250 \u00b0F(1205~1230 \u00b0C)\uc758 \uacbd\ud654 \ubc94\uc704\ub97c \uc81c\uc2dc\ud558\uace0 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\ub85c \uc624\uc77c, \uacf5\uae30 \ub610\ub294 \uc5fc\uc695\uc744 \uae30\uc7ac\ud558\ubbc0\ub85c, \uc774 \uce74\ub4dc\uc758 \ub2e8\uc77c \uc218\uce58\ub294 \uadf8 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uace0 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \ub450 \ub9e4\uccb4\ub294 \ucc28\ud2b8\uac00 \ud5c8\uc6a9\ud558\ub294 \uc138 \uac00\uc9c0 \uc911 \ub450 \uac00\uc9c0\uc785\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

1500 \u00b0F(815 \u00b0C)\uc758 \uc608\uc5f4\uc740 \uc774 \uc0ac\uc774\ud2b8\uc758 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ucc28\ud2b8\uac00 M3 \ubc0f M4 \uadf8\ub8f9\uc5d0 \ub300\ud574 \uc81c\uc2dc\ud558\ub294 1350~1550 \u00b0F \uc608\uc5f4 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc73c\uba70, \uce74\ub4dc\uc5d0\ub294 \uc774\uc5d0 \ub300\ud55c \uc870\uac74\uc774 \uc5c6\uc73c\ubbc0\ub85c \uc774 \ub2e8\uacc4\ub294 \ubaa8\ub4e0 \ubd80\ud558\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uacbd\ud654\ub294 2225 \u00b0F(1220 \u00b0C)\uc5d0\uc11c \uc624\uc77c \ub610\ub294 \uc5fc\uc695\uc73c\ub85c \uc9c4\ud589\ub429\ub2c8\ub2e4. \uac19\uc740 \ucc28\ud2b8\ub294 \uc774 \uadf8\ub8f9\uc5d0 2200~2250 \u00b0F(1205~1230 \u00b0C)\uc758 \ubc94\uc704\ub97c \uc81c\uc2dc\ud558\uace0 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\ub85c \uc624\uc77c, \uacf5\uae30 \ub610\ub294 \uc5fc\uc695\uc744 \uae30\uc7ac\ud558\ubbc0\ub85c, \uc774 \uce74\ub4dc\uc758 \ub2e8\uc77c \uacbd\ud654 \uc218\uce58\ub294 \uadf8 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uace0 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \ub450 \ub9e4\uccb4\ub294 \ucc28\ud2b8\uac00 \ud5c8\uc6a9\ud558\ub294 \uc138 \uac00\uc9c0 \uc911 \ub450 \uac00\uc9c0\uc785\ub2c8\ub2e4. \uce74\ub4dc\ub294 \uc624\uc77c\uacfc \uc5fc\uc695 \uc911 \uc5b4\ub290 \uac83\uc744 \uc120\ud0dd\ud560\uc9c0 \uc815\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c, \uadf8 \uc120\ud0dd\uc740 \ud604\uc7a5\uacfc \ucc98\ub9ac \ub300\uc0c1 \ub2e8\uba74\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

M4\uc758 \ud15c\ud37c\ub9c1 \ubc18\uc751<\/h2>\n\n\n\n

\uac01 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uac00 \ub0a8\uae30\ub294 \uacbd\ub3c4<\/h3>\n\n\n\n
\ud15c\ud37c\ub9c1, \u00b0F<\/th>\u00b0C<\/th>M4, HRC<\/th><\/tr><\/thead>
\ub2f4\uae08\uc9c8 \uc9c1\ud6c4<\/td>\ud15c\ud37c\ub9c1 \uc5c6\uc74c<\/td>64<\/td><\/tr>
900<\/td>480<\/td>62<\/td><\/tr>
950<\/td>510<\/td>66<\/td><\/tr>
1000<\/td>540<\/td>65<\/td><\/tr>
1050<\/td>565<\/td>65<\/td><\/tr>
1100<\/td>595<\/td>64<\/td><\/tr>
1150<\/td>620<\/td>62<\/td><\/tr>
1200<\/td>650<\/td>58<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, M4 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 191.<\/em><\/p>\n\n\n\n

\uce74\ub4dc\uc5d0\ub294 \uac01 \ud589\uc5d0 \ub85c\ud06c\uc6f0 C \uc218\uce58 \ud558\ub098\uac00 \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uce74\ub4dc\uc5d0\ub294 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \ud589\uc5d0 64 HRC\ub77c\ub294 \uc218\uce58\uac00 \uc788\uc73c\ubbc0\ub85c, \ud574\ub2f9 \ud589\uc740 \ud15c\ud37c\ub9c1 \uc628\ub3c4 \uc5c6\uc774 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774 \ub77c\uc778\uc740 900 \u00b0F(480 \u00b0C)\uc5d0\uc11c 62 HRC\ub85c \ub5a8\uc5b4\uc84c\ub2e4\uac00 950 \u00b0F(510 \u00b0C)\uc5d0\uc11c \ucd5c\uace0\uce58\uc778 66 HRC\ub85c \uc0c1\uc2b9\ud558\uba70, \ud45c\uc758 \ub05d\uc778 1200 \u00b0F(650 \u00b0C)\uc5d0\uc11c 58 HRC\ub85c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \uce74\ub4dc\uc5d0\ub294 \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074 \ud69f\uc218\uc5d0 \ub300\ud55c \uc5b8\uae09\uc774 \uc5c6\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\uc774 \uce74\ub4dc\uc5d0\ub294 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \ud589\uc5d0 64 HRC\ub77c\ub294 \uc218\uce58\uac00 \uc788\uc73c\ubbc0\ub85c \ud45c\ub294 \uc5ec\uae30\uc11c \uc2dc\uc791\ud569\ub2c8\ub2e4. \uc774 \ub77c\uc778\uc740 900 \u00b0F(480 \u00b0C)\uc5d0\uc11c 62 HRC\ub85c \ub5a8\uc5b4\uc9c0\uace0, 950 \u00b0F(510 \u00b0C)\uc5d0\uc11c \ucd5c\uace0\uce58\uc778 66 HRC\ub85c \uc0c1\uc2b9\ud558\uba70, 1000 \ubc0f 1050 \u00b0F(540 \ubc0f 565 \u00b0C)\uc5d0\uc11c 65 HRC\ub97c \uc720\uc9c0\ud558\uace0, 1200 \u00b0F(650 \u00b0C)\uc5d0\uc11c 58 HRC\ub85c \ub5a8\uc5b4\uc9c0\ubbc0\ub85c, \ubc18\uc751\uc740 950 \u00b0F\ubcf4\ub2e4 \uc57d\uac04 \ub192\uc740 \uc9c0\uc810\uc5d0\uc11c \ucd5c\uace0\uce58\ub97c \ubcf4\uc774\uace0 \ud45c\uc758 \uc0c1\ub2e8\uc5d0\uc11c\ub294 \uc544\ubb34\uac83\ub3c4 \ud68c\ubcf5\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \uc774 \uc0ac\uc774\ud2b8\uc758 \ud15c\ud37c\ub9c1 \ucc28\ud2b8\uac00 M4\uc758 \ud15c\ud37c\ub9c1\uc744 \uad8c\uc7a5\ud558\ub294 1000~1100 \u00b0F \ubc94\uc704\uc5d0\uc11c, \uadf8 \ucc28\ud2b8\ub294 66~61 HRC\ub97c \uc81c\uc2dc\ud558\uace0 \uce74\ub4dc\ub294 65, 65, 64\ub97c \uae30\uc7ac\ud558\uc5ec \uadf8 \ubc94\uc704 \ub0b4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uce74\ub4dc\uc5d0\ub294 \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074 \ud69f\uc218\uc5d0 \ub300\ud55c \uc5b8\uae09\uc774 \uc5c6\uc73c\ubbc0\ub85c, \uc774 \ub77c\uc778\uc744 \ud574\ub2f9 \uac15\uc885\uc758 \ubc18\uc751\uc73c\ub85c \ucde8\uae09\ud558\uace0 \ubd80\ud488\uc774 \uc0ac\uc6a9\uc5d0 \ub4e4\uc5b4\uac00\uae30 \uc804\uc5d0 \uc5f4\ucc98\ub9ac \uc5c5\uccb4\uc640 \uc0ac\uc774\ud074\uc744 \uacb0\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

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M4 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac, \uc778\uc1c4 \uac00\ub2a5\ud55c PDF<\/strong><\/p>\n\n

\uc774 \ud398\uc774\uc9c0\uc758 M4 \ud654\ud559 \uc870\uc131, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ubc18\uc751\uc744 \ud558\ub098\uc758 PDF\ub85c \uc815\ub9ac\ud588\uc73c\uba70, \ub2f9\uc0ac \uc5f0\ub77d\ucc98 \uc815\ubcf4\ub3c4 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n

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PDF \ub2e4\uc6b4\ub85c\ub4dc, 375 KB<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

\uad00\ub828 \ucc38\uc870 \ub370\uc774\ud130<\/h2>\n\n\n\n

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Heat Treatment, Selection, and Application of Tool Steels(William E. Bryson, \uc81c2\ud310, Hanser)\uc5d0\uc11c \ud3b8\uc9d1\ud55c \ucc38\uace0 \ub370\uc774\ud130\uc785\ub2c8\ub2e4. M4\uc758 \ud654\ud559 \uc870\uc131, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ubc18\uc751\uc740 \uc778\uc1c4 \ud398\uc774\uc9c0 191\uc758 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4\uc5d0\uc11c \uac00\uc838\uc654\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

M4 Tool Steel Heat Treatment The chemistry, the hardening cycle and the tempering line the source card prints for M4 molybdenum high speed steel. A reference summary of published practice and not an Aobo Steel specification. M4 in the molybdenum high speed group M4 sits in the molybdenum high speed group of the M series, 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