{"id":20153,"date":"2026-09-28T12:32:50","date_gmt":"2026-09-28T04:32:50","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=20153"},"modified":"2026-10-16T00:12:52","modified_gmt":"2026-10-15T16:12:52","slug":"a9-tool-steel-heat-treatment","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/a9-tool-steel-heat-treatment\/","title":{"rendered":"A9 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac"},"content":{"rendered":"

A9 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac<\/h1>\n\n\n\n

A9 \uacf5\uae30 \uacbd\ud654 \ub0c9\uac04 \uacf5\uad6c\uac15\uc5d0 \ub300\ud574 \uc6d0\ubcf8 \uce74\ub4dc\uc5d0 \uae30\uc7ac\ub41c \ud654\ud559 \uc131\ubd84, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ub77c\uc778\uc785\ub2c8\ub2e4. \uacf5\uac1c\ub41c \uc2e4\ubb34 \uad00\ud589\uc744 \uc694\uc57d\ud55c \ucc38\uace0 \uc790\ub8cc\uc774\uba70 Aobo Steel\uc758 \uaddc\uaca9\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacf5\uae30 \uacbd\ud654 \ub0c9\uac04 \uadf8\ub8f9\uc758 A9<\/h2>\n\n\n\n

A9\ub294 \uacf5\uae30 \uacbd\ud654 \ub0c9\uac04 \uadf8\ub8f9\uc5d0 \uc18d\ud558\uba70, \uce74\ub4dc\uc5d0\ub294 \ud569\uae08\uc774 \ud0c4\uc18c 0.50%, \ud06c\ub86c 5.00%, \ubab0\ub9ac\ube0c\ub374 1.40%, \ubc14\ub098\ub4d0 1.00%, \ub2c8\ucf08 1.50%, \uaddc\uc18c 1.00%, \ub9dd\uac04 0.40%\ub85c \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud06c\ub86c 5.00%\ub294 \uacf5\uae30 \uacbd\ud654 \uac70\ub3d9\uc758 \uadfc\uac70\uac00 \ub418\ub294 \uc218\uce58\ub85c, \uc815\uc9c0 \uacf5\uae30 \uc911\uc5d0\uc11c \ub0c9\uac01\ub418\ub294 \ub3d9\uc548 \ubd80\ud488\uc774 \uacbd\ud654\ub420 \uc218 \uc788\uc744 \ub9cc\ud07c \uacbd\ud654\ub2a5\uc744 \ub192\uac8c \uc720\uc9c0\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub2c8\ucf08 1.50%\ub294 \uadf8\ub8f9 \ub0b4\uc5d0\uc11c \uc774 \uac15\uc885\uc744 \uad6c\ubcc4 \uc9d3\ub294 \ucca8\uac00 \uc6d0\uc18c\uc774\uba70, \uc790\uccb4 \ud0c4\ud654\ubb3c\uc744 \ud615\uc131\ud558\uc9c0 \uc54a\ub294 \uc778\uc131 \uac15\ud654 \uc6d0\uc18c\uc785\ub2c8\ub2e4. \ubab0\ub9ac\ube0c\ub374\uacfc \ubc14\ub098\ub4d0\uc740 \ub0b4\ub9c8\ubaa8\uc131\uc774 \uad6c\ucd95\ub418\ub294 \ud0c4\ud654\ubb3c \ud615\uc131 \uc6d0\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uce74\ub4dc\ub294 \uaddc\uaca9\uc774 \uc544\ub2c8\ub77c \ud604\uc7a5 \ucc38\uace0 \uc815\ubcf4\uc785\ub2c8\ub2e4. \uc608\uc5f4 \ub2e8\uacc4 \ud558\ub098, \uacbd\ud654 \uc628\ub3c4 \ud558\ub098, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ud558\ub098\ub97c \uae30\uc7ac\ud558\uace0, \uadf8\ub2e4\uc74c \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uacbd\ub3c4\ub85c \uc2dc\uc791\ud558\uc5ec 1000 \u00b0F (540 \u00b0C)\uae4c\uc9c0 \uc774\uc5b4\uc9c0\ub294 \ud15c\ud37c\ub9c1 \ube14\ub85d\uc744 \uae30\uc7ac\ud569\ub2c8\ub2e4. \uce74\ub4dc\uc758 \ubaa8\ub4e0 \uc218\uce58\ub294 \ub2e8\uc77c \uac12\uc774\uba70 \uc5b4\ub290 \uac83\uc5d0\ub3c4 \uacf5\ucc28 \ubc94\uc704\uac00 \ud45c\uc2dc\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc0c8 \uac15\uc7ac \ud788\ud2b8\ub85c \ub9cc\ub4e0 \uccab \ubc30\uce58 \ubd80\ud488\uc740 \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

A9\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
\uc694\uc18c<\/th>\ud37c\uc13c\ud2b8<\/th><\/tr><\/thead>
\ud0c4\uc18c<\/td>0.50<\/td><\/tr>
Manganese<\/td>0.40<\/td><\/tr>
Silicon<\/td>1.00<\/td><\/tr>
\ud06c\ub86c<\/td>5.00<\/td><\/tr>
\ubab0\ub9ac\ube0c\ub374<\/td>1.40<\/td><\/tr>
\ub2c8\ucf08<\/td>1.50<\/td><\/tr>
\ubc14\ub098\ub4d0<\/td>1.00<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, A9 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 183.<\/em><\/p>\n\n\n\n

\uce74\ub4dc\uc5d0\ub294 \uaddc\uaca9 \ubc94\uc704\uac00 \uc544\ub2c8\ub77c \uac01 \uc6d0\uc18c\uc5d0 \ub300\ud574 \ud558\ub098\uc758 \uc218\uce58\uac00 \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud145\uc2a4\ud150, \ucf54\ubc1c\ud2b8, \ud669\uc740 \uce74\ub4dc\uc5d0 \uc218\uce58 \uc5c6\uc774 \ub098\uc5f4\ub418\uc5b4 \uc788\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.<\/em><\/p>\n\n\n\n

\ud06c\ub86c 5.00%\ub294 \uc544\ub798 \uc0ac\uc774\ud074\uc774 \uc758\uc874\ud558\ub294 \uacbd\ud654\ub2a5\uc744 \ub2f4\ub2f9\ud558\uba70, \ub610\ud55c \uc774 \uac15\uc885\uc744 \uc720\uac15 \ub2f4\uae08\uc9c8 \uadf8\ub8f9\uc774 \uc544\ub2cc \uacf5\uae30 \uacbd\ud654 \uadf8\ub8f9\uc5d0 \uc704\uce58\uc2dc\ud0a4\ub294 \uc6d0\uc18c\uc785\ub2c8\ub2e4. \ubc14\ub098\ub4d0 1.00%\uc640 \ubab0\ub9ac\ube0c\ub374 1.40%\ub294 \ud0c4\ud654\ubb3c \ud615\uc131 \uc6d0\uc18c\uc774\uba70, \ubc14\ub098\ub4d0\uc740 \ucd94\uac00\ub85c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc720\uc9c0 \ub3d9\uc548 \uacb0\uc815\ub9bd \ud06c\uae30\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \ub2c8\ucf08 1.50%\ub294 \ub2e8\uc77c \uc218\uce58\ub85c \uae30\uc7ac\ub418\uc5b4 \uc788\uc73c\uba70 \uc131\ubd84 \ubd84\uc11d\uc5d0\uc11c \uc778\uc131 \uac15\ud654 \ucca8\uac00 \uc6d0\uc18c\uc785\ub2c8\ub2e4. \ud0c4\uc18c 0.50%\ub294 \uacf5\uad6c\uac15\uc73c\ub85c\uc11c \uc911\uac04 \uc815\ub3c4\uc774\uba70, \uc5ec\uae30\uc11c \uc778\uc131\uacfc \ub0b4\ub9c8\ubaa8\uc131 \uc0ac\uc774\uc758 \uade0\ud615\uc774 \ub098\uc635\ub2c8\ub2e4. \ub9dd\uac04 0.40%\uc640 \uaddc\uc18c 1.00%\ub3c4 \ub2e8\uc77c \uc218\uce58\ub85c \uae30\uc7ac\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud145\uc2a4\ud150, \ucf54\ubc1c\ud2b8, \ud669\uc740 \uce74\ub4dc\uc5d0 \uc218\uce58 \uc5c6\uc774 \ub098\uc5f4\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ud574\ub2f9 \ud589\uc740 \ud45c\uc5d0\uc11c \uc81c\uc678\ud588\uc2b5\ub2c8\ub2e4. \ud45c\uc758 \uc870\uc131 \ub370\uc774\ud130\ub294 \uc77c\ubc18 \ucc38\uace0\uc6a9\uc77c \ubfd0\uc774\uba70, \uc2e4\uc81c \uac12\uc740 \uaddc\uaca9, \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

A9\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>A9<\/th><\/tr><\/thead>
\uc608\uc5f4<\/td>1200 \u00b0F (650 \u00b0C)<\/td><\/tr>
\uacbd\ud654<\/td>1825 \u00b0F (995 \u00b0C)<\/td><\/tr>
\ub2f4\uae08\uc9c8 \ub9e4\uccb4<\/td>\uacf5\ub7ad \ub2f4\uae08\uc9c8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, A9 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 183.<\/em><\/p>\n\n\n\n

\uce74\ub4dc\uc5d0\ub294 \uc774 \uac15\uc885\uc5d0 \ub300\ud574 \uc608\uc5f4 \ub2e8\uacc4 \ud558\ub098, \uacbd\ud654 \uc628\ub3c4 \ud558\ub098, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ud558\ub098\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 \uc7a5\uc785\ubb3c\uc5d0 \ub300\ud55c \uac12\uc785\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

1200 \u00b0F (650 \u00b0C)\uc758 \uc608\uc5f4\uc740 \uc7a5\uc785\ubb3c\uc774 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc2b9\uc628\uc2dc\ud0a4\uba70, \uce74\ub4dc\uc5d0\ub294 \uc774 \ub2e8\uacc4\uc5d0 \ub300\ud55c \uc870\uac74\uc774 \uc5c6\uc73c\ubbc0\ub85c \ubaa8\ub4e0 \uc7a5\uc785\ubb3c\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4. \uacbd\ud654\ub294 1825 \u00b0F (995 \u00b0C)\uc5d0\uc11c \uc2e4\uc2dc\ud55c \ud6c4 \uacf5\uae30 \ub2f4\uae08\uc9c8\ud569\ub2c8\ub2e4. \uacf5\uae30 \uacbd\ud654 \uac15\uc885\uc740 \uc81c\ud55c \ub2e8\uba74\uae4c\uc9c0\ub9cc \uc644\uc804 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\uba70, \uce74\ub4dc\uc5d0\ub294 \ub2f4\uae08\uc9c8\uc5d0 \ub300\ud55c \ub2e8\uba74 \uce58\uc218\uac00 \uc5c6\uc73c\ubbc0\ub85c \uc0ac\uc774\ud074\uc744 \ud655\uc815\ud558\uae30 \uc804\uc5d0 \uc911\ub7c9 \ube14\ub85d\uc740 \uc5f4\ucc98\ub9ac \uc5c5\uccb4\uc640 \ud655\uc778\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4. \uacf5\uae30 \uc911 \ub0c9\uac01\uc740 \ub354 \uc644\ub9cc\ud55c \ubc29\ubc95\uc774\uae30\ub3c4 \ud558\uba70, \uc774\uac83\uc774 \ubcc0\ud615\uc744 \uc5b5\uc81c\ud574\uc57c \ud558\ub294 \uacbd\uc6b0 \uc774 \uc720\ud615\uc758 \uac15\uc885\uc744 \uc120\ud0dd\ud558\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. \uacbd\ud654 \uc628\ub3c4\uac00 \ud558\ub098\ub9cc \uae30\uc7ac\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ub2e4\ub978 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ubc94\uc704\ub85c \uc6b4\uc804\ud558\ub294 \ud604\uc7a5\uc740 \uce74\ub4dc\uac00 \uc81c\uc2dc\ud558\ub294 \ubc94\uc704\ub97c \ubc97\uc5b4\ub098 \uc791\uc5c5\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

A9\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>A9, HRC<\/th><\/tr><\/thead>
\ub2f4\uae08\uc9c8 \uc9c1\ud6c4<\/td>\u2013<\/td>64<\/td><\/tr>
300<\/td>150<\/td>61<\/td><\/tr>
400<\/td>205<\/td>60<\/td><\/tr>
500<\/td>260<\/td>60<\/td><\/tr>
600<\/td>315<\/td>58<\/td><\/tr>
800<\/td>425<\/td>56<\/td><\/tr>
900<\/td>480<\/td>54<\/td><\/tr>
1000<\/td>540<\/td>50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98, A9 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4, \uc778\uc1c4 \ud398\uc774\uc9c0 183.<\/em><\/p>\n\n\n\n

\uce74\ub4dc\uc5d0\ub294 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uacbd\ub3c4\uac00 \ud15c\ud37c\ub9c1 \ube14\ub85d \uc548\uc5d0 \uc628\ub3c4 \uc5c6\uc774 \uae30\uc7ac\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ud574\ub2f9 \ud589\uc740 \uc628\ub3c4 \uc5f4\uc5d0 \ub300\uc2dc\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uce74\ub4dc\uc5d0\ub294 700 \u00b0F \ud589\uc774 \uc5c6\uc73c\ubbc0\ub85c \ub77c\uc778\uc740 600 \u00b0F\uc5d0\uc11c 800 \u00b0F\ub85c \uac74\ub108\ub6f0\uba70 \uac01 \ud589\uc5d0 \ub85c\ud06c\uc6f0 C \uc218\uce58\uac00 \ud558\ub098\uc529 \uc788\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\ud15c\ud37c\ub9c1 \ube14\ub85d\uc740 \ub2f4\uae08\uc9c8 \uc9c1\ud6c4 \uacbd\ub3c4 64 HRC\ub85c \uc2dc\uc791\ud558\uba70, \ub77c\uc778\uc740 \uadf8\uacf3\uc5d0\uc11c\ubd80\ud130 2\ucc28 \uacbd\ud654 \ud53c\ud06c \uc5c6\uc774 \ud558\uac15\ud569\ub2c8\ub2e4. \ucc98\uc74c \ub124 \ub2e8\uacc4\ub294 300 \u00b0F (150 \u00b0C)\ubd80\ud130 600 \u00b0F (315 \u00b0C)\uae4c\uc9c0 \ub77c\uc778\uc744 58~61 HRC \uc0ac\uc774\ub85c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uadf8 \uc704\ub85c\ub294 \uacbd\ub3c4\uac00 800 \u00b0F (425 \u00b0C)\uc5d0\uc11c 56 HRC, 900 \u00b0F (480 \u00b0C)\uc5d0\uc11c 54 HRC, 1000 \u00b0F (540 \u00b0C)\uc5d0\uc11c 50 HRC\ub85c \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ub77c\uc778\uc758 \uc800\uc628 \ub05d\uc774 \uc0ac\uc6a9 \uacbd\ub3c4\ub97c \ub2f4\ub2f9\ud558\uba70, \ub9c8\uc9c0\ub9c9 \uc138 \ud589\uc740 \uacbd\ub3c4\ub97c \ud76c\uc0dd\ud558\uc5ec \uc751\ub825 \uc81c\uac70\uc640 \uce58\uc218 \uc548\uc815\uc131\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. \uce74\ub4dc\uc5d0\ub294 \uac01 \ud589\uc5d0 \uc218\uce58\uac00 \ud558\ub098\uc529 \uae30\uc7ac\ub418\uc5b4 \uc788\uace0 \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074 \ud69f\uc218\uc5d0 \ub300\ud574\uc11c\ub294 \uc5b8\uae09\uc774 \uc5c6\uc73c\ubbc0\ub85c, \ub77c\uc778\uc744 \uc774 \uac15\uc885\uc758 \ubc18\uc751\uc73c\ub85c \ucde8\uae09\ud558\uace0 \ubd80\ud488\uc774 \uc0ac\uc6a9\uc5d0 \ud22c\uc785\ub418\uae30 \uc804\uc5d0 \uc5f4\ucc98\ub9ac \uc5c5\uccb4\uc640 \uc0ac\uc774\ud074\uc744 \ud655\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

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A9 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac, \uc778\uc1c4 \uac00\ub2a5\ud55c PDF<\/strong><\/p>\n\n

\uc774 \ud398\uc774\uc9c0\uc758 A9 \ud654\ud559 \uc131\ubd84, \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, 374 KB<\/a><\/div>\n\n<\/div>\n<\/div>\n\n\n\n

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

A9\ub294 \uacf5\uae30 \uacbd\ud654 \uac15\uc885 \uc911 \ud558\ub098\uc774\uba70, \ubc29\ubc95\uc73c\ub85c\uc11c\uc758 \uacf5\uae30 \uacbd\ud654\ub294 \uacf5\uae30 \uacbd\ud654 \uacf5\uad6c\uac15 \ud398\uc774\uc9c0<\/a>\uc5d0 \uc124\uba85\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uac19\uc740 \uadf8\ub8f9\uc758 \ub2e4\ub978 \uac15\uc885\uc740 A8 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \ud398\uc774\uc9c0<\/a>, A6 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \ud398\uc774\uc9c0<\/a> \ubc0f A10 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \ud398\uc774\uc9c0<\/a>\uc5d0 \uc788\uc73c\uba70, \uadf8\ub8f9\uc740 \ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uac15 \ud398\uc774\uc9c0<\/a> \ubc0f A2 \uacf5\uad6c\uac15 \ud398\uc774\uc9c0<\/a>\uc5d0\uc11c \uc18c\uac1c\ub429\ub2c8\ub2e4. \ubaa8\ub4e0 \uac15\uc885\uc758 \ud654\ud559 \uc131\ubd84\uc740 \uacf5\uad6c\uac15 \uc870\uc131 \ucc28\ud2b8<\/a>\uc5d0, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uc778\uc131 \ub4f1\uae09\uc740 \uacf5\uad6c\uac15 \ud2b9\uc131 \ucc28\ud2b8<\/a>\uc5d0, \ubaa8\ub4e0 \uadf8\ub8f9\uc758 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ubc94\uc704\ub294 \uacf5\uad6c\uac15 \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ucc28\ud2b8<\/a>\uc5d0, \uadf8\ub9ac\uace0 \uacf5\uc815 \uc790\uccb4\ub294 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/a>.<\/p>\n\n\n\n

\ucc38\uace0 \ub370\uc774\ud130\ub294 Heat Treatment, Selection, and Application of Tool Steels (William E. Bryson, \uc81c2\ud310, Carl Hanser Verlag, 2009)\uc5d0\uc11c \ud3b8\uc9d1\ud588\uc2b5\ub2c8\ub2e4. A9\uc758 \ud654\ud559 \uc131\ubd84, \uacbd\ud654 \uc0ac\uc774\ud074 \ubc0f \ud15c\ud37c\ub9c1 \ubc18\uc751\uc740 \uc778\uc1c4 \ud398\uc774\uc9c0 183\uc758 \uc5f4\ucc98\ub9ac \ucc38\uace0 \uc815\ubcf4\uc5d0\uc11c \uac00\uc838\uc654\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

A9 Tool Steel Heat Treatment The chemistry, the hardening cycle and the tempering line the source card prints for A9 air-hardening cold work tool steel. A reference summary of published practice and not an Aobo Steel specification. A9 in the air-hardening cold work group A9 belongs to the air-hardening cold work group, and the card 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