{"id":19812,"date":"2026-09-26T04:06:46","date_gmt":"2026-09-25T20:06:46","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=19812"},"modified":"2026-10-16T00:02:13","modified_gmt":"2026-10-15T16:02:13","slug":"m3-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/m3-tool-steel-heat-treatment\/","title":{"rendered":"M3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac"},"content":{"rendered":"

M3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac<\/h1>\n\n\n\n

\ub450 \ub4f1\uae09\uc758 M3 \uace0\uc18d\ub3c4\uac15\uc5d0 \ub300\ud55c \uacbd\ud654 \uc628\ub3c4, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ubc0f \ud15c\ud37c\ub9c1 \ubc18\uc751\uc744 \uc6d0\ubcf8 \uce74\ub4dc\uc5d0 \uac8c\uc7ac\ub41c \ub300\ub85c \uc815\ub9ac\ud588\uc2b5\ub2c8\ub2e4. \uac8c\uc7ac\ub41c \uc2e4\ubb34\uc5d0 \ub300\ud55c \ucc38\uace0 \uc694\uc57d\uc774\uba70 Aobo Steel\uc758 \uc0ac\uc591\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\uace0\uc18d\ub3c4\uac15 \uadf8\ub8f9\uc758 M3<\/h2>\n\n\n\n

M3\ub294 \ubab0\ub9ac\ube0c\ub374-\ud145\uc2a4\ud150 \uace0\uc18d\ub3c4\uac15\uc73c\ub85c, \uc808\uc0ad \uacf5\uad6c\uac00 \uace0\uc18d\uc5d0\uc11c \ub0a0\uc744 \uc720\uc9c0\ud558\uace0 \uadf8\uc5d0 \ub530\ub974\ub294 \uc5f4\uc744 \uacac\ub38c\uc57c \ud560 \ub54c \ud604\uc7a5\uc5d0\uc11c \uc120\ud0dd\ud558\ub294 \ub4f1\uae09\uc785\ub2c8\ub2e4. \uc6d0\ubcf8\uc740 \uc774\ub97c \ub450 \ub4f1\uae09\uc73c\ub85c \uac8c\uc7ac\ud558\uace0 \ub450 \uce74\ub4dc\ub97c M3-1\uacfc M3-2\ub85c \ud45c\uae30\ud558\uba70, \uc544\ub798 \ud45c\uc5d0\uc11c\ub3c4 \uc774 \ud45c\uae30\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub4f1\uae09 \uac04 \ucc28\uc774\ub294 \ud0c4\uc18c\uc640 \ubc14\ub098\ub4d0\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \ub4f1\uae09 1\uc740 \ud0c4\uc18c 1.05%\uc640 \ubc14\ub098\ub4d0 2.50%, \ub4f1\uae09 2\ub294 \ud0c4\uc18c 1.20%\uc640 \ubc14\ub098\ub4d0 3.00%\ub97c \ud568\uc720\ud558\uba70, \uac01 \ub4f1\uae09\uc740 \uace0\uc720\uc758 \uacbd\ud654 \uc628\ub3c4\uc640 \ud15c\ud37c\ub9c1 \ub77c\uc778\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uce74\ub4dc\ub294 \uc0ac\uc591\uc774 \uc544\ub2cc \ud604\uc7a5 \ucc38\uace0 \uc815\ubcf4\uc785\ub2c8\ub2e4. \uac01 \ub4f1\uae09\uc5d0 \ub300\ud574 \uc608\uc5f4 \ub2e8\uacc4 \ud558\ub098, \uacbd\ud654 \uc628\ub3c4 \ud558\ub098, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ud558\ub098\ub97c \uae30\uc7ac\ud558\uace0, \uc774\uc5b4\uc11c \uac01 \ud589\uc5d0 \uacbd\ub3c4 \uc218\uce58 \ud558\ub098\uc529\ub9cc \uc788\uace0 \uc5b4\ub514\uc5d0\ub3c4 \ud5c8\uc6a9 \ubc94\uc704\uac00 \uc5c6\ub294 \ud15c\ud37c\ub9c1 \ud45c\ub97c \uac8c\uc7ac\ud569\ub2c8\ub2e4. \uc0c8 \ud788\ud2b8\uc758 \uac15\uc7ac\ub85c \ub9cc\ub4e0 \uccab \uacf5\uad6c\ub294 \uc0ac\uc774\ud074\uc744 \uc0dd\uc0b0 \uacf5\uad6c\uc5d0 \uc801\uc6a9\ud558\uae30 \uc804\uc5d0 \uc2dc\ud5d8\uc6a9\uc73c\ub85c \uac00\ub3d9\ud574 \ubcf4\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

M3 \ub4f1\uae09 1 \ubc0f \ub4f1\uae09 2\uc758 \ud654\ud559 \uc131\ubd84<\/h2>\n\n\n\n

\ucc38\uace0 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \uc6d0\uc18c, \ud37c\uc13c\ud2b8<\/h3>\n\n\n\n
\ub4f1\uae09<\/th>C<\/th>Mn<\/th>Si<\/th>Cr<\/th>Mo<\/th>V<\/th>W<\/th><\/tr><\/thead>
M3-1<\/td>1.05<\/td>0.30<\/td>0.30<\/td>4.00<\/td>5.00<\/td>2.50<\/td>6.00<\/td><\/tr>
M3-2<\/td>1.20<\/td>0.80<\/td>0.55<\/td>4.00<\/td>5.00<\/td>3.00<\/td>6.00<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, M3 \ub4f1\uae09 1 \ubc0f \ub4f1\uae09 2\uc758 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 190 \ubc0f 191.<\/em><\/p>\n\n\n\n

\uc774 \uce74\ub4dc\ub294 \uc0ac\uc591 \ubc94\uc704\uac00 \uc544\ub2cc \uac01 \uc6d0\uc18c\uc5d0 \ub300\ud574 \ud558\ub098\uc758 \uc218\uce58\ub97c \uac8c\uc7ac\ud569\ub2c8\ub2e4. \ucf54\ubc1c\ud2b8\ub294 \ub450 \ub4f1\uae09 \ubaa8\ub450\uc5d0, \ud669\uc740 \ub4f1\uae09 1\uc5d0 \uc218\uce58 \uc5c6\uc774 \ud45c\uae30\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ud574\ub2f9 \ud589\uc740 0\uc73c\ub85c \ud45c\uc2dc\ud558\uc9c0 \uc54a\uace0 \ud45c\uc5d0\uc11c \uc81c\uc678\ud588\uc2b5\ub2c8\ub2e4. \ud669 \uc218\uce58 \ud558\ub098\uac00 \uac8c\uc7ac\ub418\uc5b4 \uc788\ub294\ub370, \ub4f1\uae09 2 \uce74\ub4dc\uc758 0.27%\ub85c, \uace0\uc18d\ub3c4\uac15\uc5d0 \ud1b5\uc0c1 \uaddc\uc815\ub418\ub294 \ud669 \uc218\uc900\uc744 \ud6e8\uc52c \uc0c1\ud68c\ud558\ubbc0\ub85c \ud45c\uc5d0 \ubc18\uc601\ud558\uc9c0 \uc54a\uace0 \uc6d0\ubcf8\uc774 \uac8c\uc7ac\ud55c \ub300\ub85c \uc5ec\uae30\uc5d0 \uae30\ub85d\ud569\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\ub450 \ub4f1\uae09 \ubaa8\ub450 \ud145\uc2a4\ud150 6.00%\uc640 \ubab0\ub9ac\ube0c\ub374 5.00%, \uc774 \ub4f1\uae09\uc758 \uae30\ubc18\uc774 \ub418\ub294 \ub450 \ud0c4\ud654\ubb3c \ud615\uc131 \uc6d0\uc18c\uc640 \ud568\uaed8 \ud06c\ub86c 4.00%\ub97c \ud568\uc720\ud569\ub2c8\ub2e4. \ud0c4\uc18c\uc640 \ubc14\ub098\ub4d0\uc740 \ub4f1\uae09\uc744 \uad6c\ubd84\ud558\ub294 \ub450 \uc218\uce58\ub85c, \ub4f1\uae09 1\uc740 1.05%\uc640 2.50%, \ub4f1\uae09 2\ub294 1.20%\uc640 3.00%\uc785\ub2c8\ub2e4. \uce74\ub4dc\ub294 \ucf54\ubc1c\ud2b8\ub97c \ub450 \ub4f1\uae09 \ubaa8\ub450\uc5d0, \ud669\uc744 \ub4f1\uae09 1\uc5d0 \uc218\uce58 \uc5c6\uc774 \uae30\uc7ac\ud558\ubbc0\ub85c \ud574\ub2f9 \ud589\uc740 0\uc73c\ub85c \ud45c\uc2dc\ud558\uc9c0 \uc54a\uace0 \ud45c\uc5d0\uc11c \uc81c\uc678\ud588\uc73c\uba70, \ub4f1\uae09 2 \uce74\ub4dc\uac00 \uac8c\uc7ac\ud558\ub294 \uc720\uc77c\ud55c \ud669 \uc218\uce58\ub294 \ud45c\uc5d0 \ubc18\uc601\ud558\uc9c0 \uc54a\uace0 \ud45c \uc544\ub798\uc5d0 \uae30\ub85d\ud569\ub2c8\ub2e4. \ud45c\uc758 \uc131\ubd84 \ub370\uc774\ud130\ub294 \uc77c\ubc18 \ucc38\uace0\uc6a9\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 \ud655\uc778\ud558\uac70\ub098 Aobo Steel\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

M3\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>M3-1<\/th>M3-2<\/th><\/tr><\/thead>
\uc608\uc5f4<\/td>1500 \u00b0F (815 \u00b0C)<\/td>1500 \u00b0F (815 \u00b0C)<\/td><\/tr>
\uacbd\ud654<\/td>2250 \u00b0F (1230 \u00b0C)<\/td>2225 \u00b0F (1220 \u00b0C)<\/td><\/tr>
\ub2f4\uae08\uc9c8 \ub9e4\uccb4<\/td>\uc624\uc77c \ub610\ub294 \uc5fc\uc695<\/td>\uc624\uc77c \ub610\ub294 \uc5fc\uc695<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, M3 \ub4f1\uae09 1 \ubc0f \ub4f1\uae09 2\uc758 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 190 \ubc0f 191.<\/em><\/p>\n\n\n\n

\uc774 \uce74\ub4dc\ub294 \ud06c\uae30 \uc870\uac74 \uc5c6\uc774 \uc608\uc5f4 \ub2e8\uacc4 \ud558\ub098\ub97c \uac8c\uc7ac\ud558\ubbc0\ub85c, \uc774 \ub2e8\uacc4\ub294 \ub300\ud615 \ub2e8\uba74\uc5d0\ub9cc \ud544\uc694\ud55c \ub2e8\uacc4\ub85c \ud45c\uc2dc\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub450 \ub4f1\uae09 \ubaa8\ub450 \ub2f4\uae08\uc9c8 \ub9e4\uccb4\ub85c \uc624\uc77c \ub610\ub294 \uc5fc\uc695\uc774 \uc81c\uc2dc\ub418\uba70, \uadf8 \uc606\uc5d0 \uacf5\uae30 \ub300\uc548\uc740 \uac8c\uc7ac\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\uc608\uc5f4\uc740 \ub450 \uce74\ub4dc \ubaa8\ub450 1500 \u00b0F (815 \u00b0C)\uc785\ub2c8\ub2e4. \uacbd\ud654 \uc628\ub3c4\ub294 25 \u00b0F (10 \u00b0C) \ucc28\uc774\ub85c, \ub4f1\uae09 1\uc740 2250 \u00b0F (1230 \u00b0C), \ub4f1\uae09 2\ub294 2225 \u00b0F (1220 \u00b0C)\uc774\uba70, \ud569\uae08\ub7c9\uc774 \ub354 \ub9ce\uc740 \ub4f1\uae09\uc744 \uc6d0\ubcf8\uc774 \uc57d\uac04 \ub354 \ub0ae\uac8c \uc124\uc815\ud558\ub294\ub370, \uc774\ub294 \ud574\ub2f9 \ub4f1\uae09\uc744 \uad6c\ub9e4\ud558\ub294 \uc774\uc720\uc778 \ub354 \ubbf8\uc138\ud55c \uacb0\uc815\ub9bd\uc744 \uc6d0\ud560 \ub54c \ud604\uc7a5\uc5d0\uc11c \ud0dd\ud558\ub294 \ubc29\ud5a5\uc785\ub2c8\ub2e4. \ub450 \uce74\ub4dc \ubaa8\ub450 \ub2f4\uae08\uc9c8\ub85c \uc624\uc77c \ub610\ub294 \uc5fc\uc695\uc744 \uc81c\uc2dc\ud558\uace0, \uc5b4\ub290 \uce74\ub4dc\ub3c4 \uc774 \ub4f1\uae09\uc5d0 \uacf5\uae30 \ub2f4\uae08\uc9c8\uc744 \uac8c\uc7ac\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \ud0f1\ud06c\uc5d0\uc11c\uc758 \uc120\ud0dd\uc740 \uc624\uc77c \ub300 \uc5fc\uc695\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

M3\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>M3-1, HRC<\/th>M3-2, HRC<\/th><\/tr><\/thead>
\ub2f4\uae08\uc9c8 \uc9c1\ud6c4<\/td>\ud15c\ud37c\ub9c1 \uc5c6\uc74c<\/td>65<\/td>65<\/td><\/tr>
900<\/td>480<\/td>64<\/td>63<\/td><\/tr>
950<\/td>510<\/td>67<\/td>66<\/td><\/tr>
1000<\/td>540<\/td>67<\/td>66<\/td><\/tr>
1050<\/td>565<\/td>65<\/td>66<\/td><\/tr>
1100<\/td>595<\/td>61<\/td>65<\/td><\/tr>
1150<\/td>620<\/td>56<\/td>63<\/td><\/tr>
1200<\/td>650<\/td>52<\/td>60<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, M3 \ub4f1\uae09 1 \ubc0f \ub4f1\uae09 2\uc758 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 190 \ubc0f 191.<\/em><\/p>\n\n\n\n

\uc774 \uce74\ub4dc\ub294 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ub97c 900 \u00b0F\uc5d0\uc11c 1200 \u00b0F\uae4c\uc9c0 50 \u00b0F \uac04\uaca9\uc73c\ub85c \uc81c\uc2dc\ud558\uace0 \uac01 \ud589\uc5d0 \uac01 \ub4f1\uae09\uc758 \ub85c\ud06c\uc6f0 C \uc218\uce58 \ud558\ub098\ub97c \uac8c\uc7ac\ud569\ub2c8\ub2e4. \uccab \ud589\uc740 \ud15c\ud37c\ub9c1 \uc804 \ub2f4\uae08\uc9c8 \uc0c1\ud0dc\uc758 \uacbd\ub3c4\uc774\uba70, \uadf8\ub2e4\uc74c \ub450 \ud589\uc758 \uc0c1\uc2b9\uc740 2\ucc28 \uacbd\ud654\uc785\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\ub450 \ub4f1\uae09 \ubaa8\ub450 \ub2f4\uae08\uc9c8 \ud6c4 65 HRC\ub85c \ub098\uc624\uba70 \ub450 \ub77c\uc778 \ubaa8\ub450 \ud558\uac15\ud558\uae30 \uc804\uc5d0 \uc0c1\uc2b9\ud558\ub294\ub370, \uc774\ub294 \uccab \ud15c\ud37c\ub9c1\uc5d0 \ub530\ub974\ub294 2\ucc28 \uacbd\ud654\uc785\ub2c8\ub2e4. \ub4f1\uae09 1\uc740 950 \ubc0f 1000 \u00b0F (510 \ubc0f 540 \u00b0C)\uc5d0\uc11c 67 HRC\ub85c \uc0c1\uc2b9\ud55c \ud6c4 1200 \u00b0F (650 \u00b0C)\uc5d0\uc11c 52 HRC\ub85c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ub4f1\uae09 2\ub294 \uac19\uc740 \ub450 \ud589\uc5d0\uc11c 66 HRC\ub85c \uc0c1\uc2b9\ud558\uace0 1200 \u00b0F (650 \u00b0C)\uc5d0\uc11c\ub3c4 60 HRC\ub97c \uc720\uc9c0\ud558\ub294\ub370, \uc774\ub294 \ubc94\uc704 \uc0c1\ub2e8\uc5d0\uc11c \ub4f1\uae09 1\ubcf4\ub2e4 8\ud3ec\uc778\ud2b8 \ub192\uc740 \uac12\uc785\ub2c8\ub2e4. \uace0\uc628\uc5d0\uc11c \uac00\ub3d9\ub418\uba70 \ub0a0\uc744 \uc720\uc9c0\ud574\uc57c \ud558\ub294 \uacf5\uad6c\ub294 \uc774 \uc0c1\ub2e8 \ubc94\uc704\uc5d0\uc11c \ud15c\ud37c\ub9c1\ub418\uba70, \uadf8 \uc9c0\uc810\uc5d0\uc11c \ub450 \ub77c\uc778 \uac04\uc758 \ucc28\uc774\uac00 \ub4f1\uae09 \uac04\uc758 \uc2e4\uc9c8\uc801\uc778 \ucc28\uc774\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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M3 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac, \uc778\uc1c4\uc6a9 PDF<\/strong><\/p>\n\n

\uc774 \ud398\uc774\uc9c0\uc758 M3 \ub4f1\uae09 1 \ubc0f \ub4f1\uae09 2\uc758 \ud654\ud559 \uc131\ubd84, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ubc18\uc751\uc744 \uc5f0\ub77d\ucc98 \uc815\ubcf4\uc640 \ud568\uaed8 \ud558\ub098\uc758 PDF\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n

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PDF \ub2e4\uc6b4\ub85c\ub4dc, 381 KB<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

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

\uace0\uc18d\ub3c4\uac15 \uadf8\ub8f9\uc5d0\uc11c M3 \uc606\uc5d0 \uc704\uce58\ud558\ub294 \ub4f1\uae09\ub4e4\uc740 \ub2e4\uc74c\uc5d0 \uc815\ub9ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4: M2 \uac15 \uc5f4\ucc98\ub9ac \ud398\uc774\uc9c0<\/a>, \uadf8\ub9ac\uace0 \uc774 \uadf8\ub8f9\uc774 \uad6c\ub9e4\ub418\ub294 \uc808\uc0ad \uacf5\uad6c\ub294 \ub2e4\uc74c\uc5d0 \uc788\uc2b5\ub2c8\ub2e4: \uc808\uc0ad \uacf5\uad6c\uc6a9 \uace0\uc18d\ub3c4\uac15 \ud398\uc774\uc9c0<\/a>. \ubab0\ub9ac\ube0c\ub374 \ub4f1\uae09 \uc804\ubc18\uc758 \ud15c\ud37c\ub9c1 \ubc94\uc704\ub294 \ub2e4\uc74c\uc5d0 \uc788\uc2b5\ub2c8\ub2e4: \uacf5\uad6c\uac15 \ud15c\ud37c\ub9c1 \ucc28\ud2b8<\/a>, \ubaa8\ub4e0 \uadf8\ub8f9\uc758 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ubc94\uc704\ub294 \ub2e4\uc74c\uc5d0 \uc788\uc2b5\ub2c8\ub2e4: \uacf5\uad6c\uac15 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ucc28\ud2b8<\/a>, \uadf8\ub9ac\uace0 M \uc2dc\ub9ac\uc988\uc758 \uc131\ubd84 \ubc94\uc704\ub294 \ub2e4\uc74c\uc5d0 \uc788\uc2b5\ub2c8\ub2e4: \uacf5\uad6c\uac15 \uc870\uc131 \ucc28\ud2b8<\/a>. \ucf54\ubc1c\ud2b8 \ubc0f \ubab0\ub9ac\ube0c\ub374 \ub4f1\uae09\uc758 \uc7ac\uace0 \uce58\uc218\ub294 \ub2e4\uc74c\uc5d0 \uc788\uc2b5\ub2c8\ub2e4: M42 \uacf5\uad6c\uac15 \ud398\uc774\uc9c0<\/a> \ubc0f M35 \uacf5\uad6c\uac15 \ud398\uc774\uc9c0<\/a>.<\/p>\n\n\n\n

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. M3 \ub4f1\uae09 1 \ubc0f \ub4f1\uae09 2\uc758 \ud654\ud559 \uc131\ubd84, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ubc18\uc751\uc740 \uc778\uc1c4 \ud398\uc774\uc9c0 190 \ubc0f 191\uc758 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4\uc5d0\uc11c \uac00\uc838\uc654\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

M3 Tool Steel Heat Treatment The hardening temperature, the quench medium and the tempering response of M3 high speed steel in both classes, set out as the source card publishes it. A reference summary of published practice and not an Aobo Steel specification. M3 in the high speed group M3 is a molybdenum-tungsten high speed 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