{"id":10044,"date":"2026-05-06T11:25:03","date_gmt":"2026-05-06T11:25:03","guid":{"rendered":"https:\/\/weldomachining.com\/?p=10044"},"modified":"2026-05-07T05:35:50","modified_gmt":"2026-05-07T05:35:50","slug":"aisi-4140-material","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ko\/aisi-4140-material\/","title":{"rendered":"AISI 4140 \uc18c\uc7ac \uc644\uc804 \ubd84\uc11d"},"content":{"rendered":"

AISI 4140\uc740 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374\uac15\uc758 \ud55c\uad6d \ud45c\uc900 \ub4f1\uae09\uc785\ub2c8\ub2e4. \ud55c\uad6d\uc5d0\uc11c 4140\uac15\uc5d0 \ud574\ub2f9\ud558\ub294 \uc7ac\uc9c8\uc740 42CrMo\uc774\uba70, \ub3c5\uc77c\uc5d0\uc11c\ub294 42CrMo4, \uc77c\ubcf8\uc5d0\uc11c\ub294 SCM440 \ud569\uae08\uac15\uc785\ub2c8\ub2e4. \uc774 \uac15\uc7ac\ub294 \ub192\uc740 \uac15\ub3c4, \ub192\uc740 \uc778\uc131, \uc6b0\uc218\ud55c \ub2f4\uae08\uc9c8\uc131\uc744 \ud2b9\uc9d5\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc911\uac04 \uc815\ub3c4\uc758 \ud0c4\uc18c \ud568\ub7c9\uacfc \ud48d\ubd80\ud55c \ud569\uae08 \uc6d0\uc18c\ub85c \uc778\ud574, \uc77c\ubc18\uc801\uc73c\ub85c \uc5f4\ucc98\ub9ac\ub97c \ud1b5\ud574 \ub354 \ub192\uc740 \uacbd\ub3c4\ub97c \uac00\uc9c4 \ub9c8\ud150\uc0ac\uc774\ud2b8 \ud569\uae08\uac15\uc73c\ub85c \uc81c\uc870\ub429\ub2c8\ub2e4. 4140 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374\uac15\uc740 \uc911\ud558\uc911 \ud558\uc911 \ubd80\ud488\uc758 \uc801\uc6a9 \uc694\uad6c\ub97c \uc27d\uac8c \ucda9\uc871\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 AISI 4140\uac15\uc758 \ud2b9\uc131\uacfc \uac00\uacf5 \uacf5\uc815\uc5d0 \ub300\ud574 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\"aisi
aisi 4010 \uac15\ubd09 \uc7ac\uc9c8<\/figcaption><\/figure>\n\n\n\n

AISI 4140 \uac15\uc758 \ud2b9\uc131<\/h2>\n\n\n\n

\uc774 \uc7ac\uc9c8\uc744 \ubcf4\ub2e4 \uacfc\ud559\uc801\uc73c\ub85c \uc18c\uac1c\ud558\uae30 \uc704\ud574, \uae08\uc18d\uc758 \ud2b9\uc131\uc5d0 \ub530\ub77c \uc8fc\ub85c \uae30\uacc4\uc801 \ud2b9\uc131, \ubb3c\ub9ac\uc801 \ud2b9\uc131, \ud654\ud559\uc801 \ud2b9\uc131, \ub0b4\uc2dd\uc131, \uac00\uacf5 \uacf5\uc815\uc73c\ub85c \ub098\ub204\uc5b4 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI 4140 \ud654\ud559 \uc131\ubd84<\/h3>\n\n\n\n

AISI 4140\uc740 \uc800\ud569\uae08 4140 \ud06c\ub86c\ubab0\ub9ac\ube0c\ub374\uac15\uc774\ub77c\uace0\ub3c4 \ubd88\ub9bd\ub2c8\ub2e4. \uc8fc\uc694 \ud654\ud559 \uc6d0\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

\ud0c4\uc18c(C<\/strong>): \ud568\ub7c9 0.38%~0.43%, \uc911\ud0c4\uc18c\uac15\uc5d0 \uc18d\ud558\uba70, 4140 \ud0c4\uc18c\uac15\uc774 \ub2f4\uae08\uc9c8 \ubc0f \ub728\uc784 \ucc98\ub9ac\uac00 \uac00\ub2a5\ud55c\uc9c0 \uacb0\uc815\ud558\ub294 \ud575\uc2ec \uc6d0\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub9dd\uac04(Mn<\/strong>): \ud568\ub7c9 0.75%~1.00%, \uc8fc\ub85c \uac15\uc758 \ub2f4\uae08\uc9c8\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0, \uacb0\uc815\ub9bd\uc744 \ubbf8\uc138\ud654\ud558\uba70, \ud669\uacfc \uacb0\ud569\ud558\uc5ec MnS\ub97c \ud615\uc131\ud574 \ud669\uc5d0 \uc758\ud55c \uace0\uc628 \ucde8\uc131\uc744 \uc904\uc774\uace0 AISI 4140\uac15\uc758 \uc5f4\uac04 \uac00\uacf5\uc131\uc744 \uac1c\uc120\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud06c\ub86c(Cr<\/strong>): \ud568\ub7c9 0.80%~1.10%, 4140 \uc7ac\uc9c8\uc758 \ub2f4\uae08\uc9c8\uc131, \ub0b4\ub9c8\ubaa8\uc131, \ub0b4\uc0b0\ud654\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \uc548\uc815\ub41c \ud0c4\ud654\ubb3c\uc744 \ud615\uc131\ud574 \ubaa8\uc7ac\ub97c \uac15\ud654\ud558\uace0, \ud2b9\ud788 \uc0b0\ud654 \ud658\uacbd\uc5d0\uc11c \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubab0\ub9ac\ube0c\ub374(Mo<\/strong>): \ud568\ub7c9 0.15%~0.25%, AISI 4140\uc758 \ud575\uc2ec \ud569\uae08 \uc6d0\uc18c\ub85c, \ub2f4\uae08\uc9c8\uc131\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0a4\uace0, \ub728\uc784 \ucde8\uc131\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc5b5\uc81c\ud558\uba70, \uace0\uc628\uc5d0\uc11c 4140 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374\uac15\uc758 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub97c \ub192\uc774\uace0, \ud2b9\ud788 \uc5fc\ud654\ubb3c \ubd80\uc2dd\uc5d0 \ub300\ud55c \ub0b4\uc2dd\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uaddc\uc18c(Si<\/strong>): \ud568\ub7c9 0.15%~0.35%, \uc8fc\ub85c \ud0c8\uc0b0\uc81c\ub85c \uc791\uc6a9\ud558\uba70, \uc18c\ub7c9\uc740 4140\uac15\uc758 \uac15\ub3c4\ub97c \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc778(P<\/strong>) \ubc0f \ud669(S<\/strong>): \uc778 \ud568\ub7c9 \u22640.035%, \ud669 \ud568\ub7c9 \u22640.040%, \ub458 \ub2e4 \ubd88\uc21c\ubb3c \uc6d0\uc18c\ub85c \uc5c4\uaca9\ud788 \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \uc778\uc774 \uacfc\ub2e4\ud558\uba74 \uac15\uc758 \ucda9\uaca9 \uc778\uc131\uacfc \uc800\uc628 \ucde8\uc131 \uc804\uc774 \uc628\ub3c4\uac00 \uc800\ud558\ub418\uace0, \ud669\uc774 \uacfc\ub2e4\ud558\uba74 \uace0\uc628 \ucde8\uc131\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc5f0\uc131\uc774 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\ub7ec\ud55c \ud654\ud559 \uc870\uc131\uc740 \uc801\uc808\ud55c \ube44\uc728\ub85c 4140 CrMo \uac15\uc5d0 \ub6f0\uc5b4\ub09c \uc885\ud569\uc801\uc778 \ud2b9\uc131\uc744 \ubd80\uc5ec\ud558\uc5ec \uac15\ub3c4, \uc778\uc131, \ub2f4\uae08\uc9c8\uc131, \ub0b4\uc2dd\uc131\uc774 \uc6b0\uc218\ud558\uba70, \uc911\ud558\uc911\uacfc \ucda9\uaca9 \uc694\uad6c\ub97c \uacac\ub514\ub294 \uae30\uacc4 \ubd80\ud488 \uc81c\uc870\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI 4140\uc758 \uae30\uacc4\uc801 \ud2b9\uc131<\/h3>\n\n\n\n

AISI 4140\uc740 \uc911\ud0c4\uc18c \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \ud569\uae08 \uad6c\uc870\uc6a9 \uac15\uc785\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ubc0f \ub728\uc784 \ucc98\ub9ac \ud6c4 \uc5f4\ucc98\ub9ac<\/a>, \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ub2f4\uae08\uc9c8 \ubc0f \ub728\uc784 \uc0c1\ud0dc\uc5d0\uc11c 4140 \uac15\uc758 \uae30\uacc4\uc801 \uc131\ub2a5 \uc9c0\ud45c\uc785\ub2c8\ub2e4:<\/p>\n\n\n\n

4140 \uac15\uc758 \uc778\uc7a5 \uac15\ub3c4: \u22651080 MPa. 1080 MPa\ub294 \uace0\uc628 \ub728\uc784 \uc0c1\ud0dc\uc5d0\uc11c 4140 \uac15\uc758 \ub300\ud45c\uc801\uc778 \uc778\uc7a5 \uac15\ub3c4 \uac12\uc785\ub2c8\ub2e4. \uc800\uc628 \ub728\uc784\uc744 \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \uc778\uc7a5 \uac15\ub3c4\ub294 \ub354\uc6b1 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI 4140\uc758 \ud56d\ubcf5 \uac15\ub3c4: \u2265650\u20131100 MPa.<\/p>\n\n\n\n

AISI 4140\uc758 \uc2e0\uc728: \u226512%, \uc774\ub294 \uc18c\uc7ac\uac00 \uc6b0\uc218\ud55c \uc18c\uc131 \ubcc0\ud615 \ub2a5\ub825\uc744 \uac00\uc9c0\uace0 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub294 25 mm \uc2dc\ud3b8 \ube14\ub7ad\ud06c \ud06c\uae30 \uc2dc\ud5d8 \uacb0\uacfc\ub97c \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ub728\uc784 \ucc98\ub9ac\ub41c 4140 \uac15\uc758 \ub2e8\uba74 \uac10\uc18c\uc728: \u226545%, \uc774\ub294 \uc18c\uc7ac\uac00 \ud30c\ub2e8 \uc804 \uc18c\uc131 \ubcc0\ud615\uc744 \uacac\ub514\ub294 \ub2a5\ub825\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI 4140\uc758 \ucda9\uaca9 \uc778\uc131: \u226563 J (20\u00b0C), \uc774\ub294 \uc18c\uc7ac\uac00 \ucda9\uaca9 \ud558\uc911\uc744 \uacac\ub514\ub294 \ub2a5\ub825\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud2b9\uc815 \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \uc5f4\ucc98\ub9ac \uacf5\uc815, \uc18c\uc7ac \uc21c\ub3c4, \uc8fc\ubcc0 \uc628\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc74c\uc744 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub2e4\ub978 \ub2f4\uae08\uc9c8 \ub9e4\uccb4(\uc624\uc77c \ub0c9\uac01, \ubb3c \ub0c9\uac01) \ub610\ub294 \ub728\uc784 \uc628\ub3c4\ub97c \uc0ac\uc6a9\ud558\uba74 \uc18c\uc7ac\uc758 \uac15\ub3c4, \uc778\uc131, \uacbd\ub3c4 \uade0\ud615\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI 4140\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131<\/h3>\n\n\n\n

4140 \uac15\uc758 \ubc00\ub3c4\ub294 \uc57d 7.85 g\/cm\u00b3\ub85c \uc77c\ubc18 \ud0c4\uc18c\uac15\uacfc \uc720\uc0ac\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc735\uc810\uc740 \uc57d 1420-1450\u00b0C\uc774\uba70, \uc870\uc131\uc5d0 \ub530\ub77c \uc57d\uac04\uc758 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f4\uc804\ub3c4\uc728\uc740 \uc2e4\uc628\uc5d0\uc11c \uc57d 45-50 W\/(m\u00b7K)\uc774\uba70, \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud568\uc5d0 \ub530\ub77c \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ube44\uc5f4\uc740 \uc2e4\uc628\uc5d0\uc11c \uc57d 460 J\/(kg\u00b7K)\ub85c, \uc911\uac04 \uc815\ub3c4\uc758 \uc5f4 \ud761\uc218 \ubc0f \ubc29\ucd9c \ub2a5\ub825\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud0c4\uc131\uacc4\uc218\ub294 \uc57d 210-215 GPa\ub85c, \ud0c4\uc131 \ubcc0\ud615 \uc2dc \uc18c\uc7ac\uc758 \uac15\uc131\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud3ec\uc544\uc1a1 \ube44\ub294 \uc57d 0.28-0.30\uc73c\ub85c, \uc751\ub825 \ud558\uc5d0\uc11c \ud6a1\ubc29\ud5a5 \ubcc0\ud615\uacfc \uc885\ubc29\ud5a5 \ubcc0\ud615\uc758 \ube44\uc728\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc790\uae30\uc801 \ud2b9\uc131 \uce21\uba74\uc5d0\uc11c AISI 4140 \ud569\uae08\uac15\uc740 \uac15\uc790\uc131\uccb4\ub85c \uc790\ud654\ub420 \uc218 \uc788\uc5b4, \uc790\uae30 \uae30\ub2a5\uc774 \uc694\uad6c\ub418\ub294 \uc751\uc6a9\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc704\uc758 \uc131\ub2a5 \ub370\uc774\ud130\ub294 \ub300\ud45c\uac12\uc774\uba70, \uc2e4\uc81c \uac12\uc740 \ud2b9\uc815 \uc0dd\uc0b0 \uacf5\uc815, \uc5f4\ucc98\ub9ac \uc870\uac74, \uc18c\uc7ac \ubc30\uce58\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc74c\uc744 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

4140\uac15 \uacbd\ub3c4<\/strong>:<\/p>\n\n\n\n

\ud480\ub9bc \uc0c1\ud0dc: \u2264217 HB<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc0c1\ud0dc: 22-35 HRC (\ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0 \ub530\ub77c \ub2e4\ub984)<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uacfc\uc815\uc5d0\uc11c \ud15c\ud37c\ub9c1 \uc628\ub3c4\ub97c \uc870\uc808\ud558\uba74 4140\uac15\uc758 \uacbd\ub3c4\ub97c \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uace0\uc628 \ud15c\ud37c\ub9c1 \ud6c4\uc5d0\ub294 \uacbd\ub3c4\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"aisi<\/figure>\n\n\n\n

4140\uac15 \ub0b4\uc2dd\uc131<\/h3>\n\n\n\n

4140\uac15\uc758 \ub0b4\uc2dd\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud2b9\uc9d5\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

\uae30\ubcf8 \ub0b4\uc2dd\uc131<\/h4>\n\n\n\n

AISI 4140\uc740 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08 \uc18c\uc7ac\uc774\ubbc0\ub85c, \ud06c\ub86c \uc131\ubd84(\ud568\ub7c9 0.81%~1.11%)\uc774 \uac15 \ud45c\uba74\uc5d0 \uce58\ubc00\ud55c \ud06c\ub86c \uc0b0\ud654 \ud53c\ub9c9\uc744 \ud615\uc131\ud558\uc5ec \uc77c\ubc18\uc801\uc778 \uc57d\uc0b0\uc131 \ubc0f \uc54c\uce7c\ub9ac \ud658\uacbd\uc5d0\uc11c \uc77c\uc815\ud55c \ub0b4\uc2dd\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud2b9\uc815 \ub9e4\uccb4\uc5d0 \ub300\ud55c \uc800\ud56d\uc131<\/h4>\n\n\n\n

\uc18c\ub7c9\uc758 \uc5fc\ud654\ubb3c\uc774 \ud3ec\ud568\ub41c \ud658\uacbd(\uc608: \uc77c\ubc18 \ud574\uc218 \ub610\ub294 \uc2b5\ud55c \uc5fc\uc218 \ubd84\ubb34 \ud658\uacbd)\uc5d0\uc11c\ub294 4140 CrMo\uac15\uc758 \ub0b4\uc2dd\uc131\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4. \uc7a5\uae30\uac04 \ub178\ucd9c \uc2dc \uc57d\uac04\uc758 \ub179\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc73c\ub098, \uc77c\ubc18\uc801\uc73c\ub85c \ubd80\uc2dd\uc73c\ub85c \uc778\ud574 \uae09\uaca9\ud788 \uc2e4\ud328\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uac15\uc0b0\uc131, \uac15\uc54c\uce7c\ub9ac \ub610\ub294 \uace0\ub18d\ub3c4 \uc5fc\ud654\ubb3c \ud658\uacbd(\uc608: \ub18d\ucd95 \uc5fc\uc0b0, \ub18d\ucd95 \ud669\uc0b0, \uace0\uc5fc\ubd84 \ud574\uc218)\uc5d0\uc11c\ub294 \ub0b4\uc2dd\uc131\uc774 \ud06c\uac8c \uac10\uc18c\ud558\ubbc0\ub85c \ucd94\uac00\uc801\uc778 \ubc29\uccad \uc870\uce58(\uc608: \ub3c4\uc7a5, \uc544\uc5f0\ub3c4\uae08, \ud06c\ub86c\ub3c4\uae08 \ub610\ub294 \ubc29\uccad \ucf54\ud305)\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f4\ucc98\ub9ac \ud6a8\uacfc<\/h4>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac(\ub2f4\uae08\uc9c8 + \ud15c\ud37c\ub9c1) \ud6c4\uc5d0\ub294 AISI 4140\uc758 \ubbf8\uc138\uc870\uc9c1\uc774 \ub354\uc6b1 \uade0\uc77c\ud574\uc9c0\uace0, \ubbf8\ucc98\ub9ac \uc0c1\ud0dc\uc5d0 \ube44\ud574 \ub0b4\uc2dd\uc131\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \ud5a5\uc0c1\ub418\uc9c0\ub9cc, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15(\uc608: 304, 316 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15)\uacfc \ube44\uad50\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ucc38\uace0: AISI 4140 \uc18c\uc7ac \uac15\uc744 \uac15\ud55c \ubd80\uc2dd \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uacbd\uc6b0, \ubc29\uccad \ud45c\uba74 \ucc98\ub9ac \ub610\ub294 \uc18c\uc7ac \uac1c\uc9c8\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

AISI 4140\uc758 \uc77c\ubc18\uc801\uc778 \uac00\uacf5 \uacf5\uc815<\/h3>\n\n\n\n

AISI 4140\uc758 \uc8fc\uc694 \uac00\uacf5 \uacf5\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

1. 4140\uac15 \ub2e8\uc870 \uacf5\uc815<\/h4>\n\n\n\n

\uc790\uc720 \ub2e8\uc870\uc640 \uae08\ud615 \ub2e8\uc870\ub85c \ub098\ub269\ub2c8\ub2e4. \uc790\uc720 \ub2e8\uc870\ub294 \uc8fc\ub85c \uc18c\ub7c9\uc758 AISI 4140 \uc18c\uc7ac \uac00\uacf5\uc5d0 \uc0ac\uc6a9\ub418\uba70, 1100~1200\u00b0C\uc5d0\uc11c \ud574\uba38\ub9c1 \ubc0f \uc555\ucd9c\uc744 \ud1b5\ud574 AISI 4140 \uc18c\uc7ac\uc758 \ub0b4\ubd80 \uacb0\uc815 \uad6c\uc870\ub97c \ubbf8\uc138\ud654 \ubc0f \ubcc0\ud615\uc2dc\ucf1c \uc778\uc131\uacfc \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae08\ud615 \ub2e8\uc870\ub294 \uac00\uc5f4\ub41c AISI 4140 \uc18c\uc7ac\ub97c \uae08\ud615\uc5d0 \ub123\uace0 \uae08\ud615\uc758 \uc5ec\ub7ec \ubc29\ud5a5\uc5d0\uc11c \uc555\ub825\uc744 \uac00\ud558\uc5ec \uc18c\uc7ac\ub97c \uc131\ud615\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

2. 4140\uac15 \uc5f4\ucc98\ub9ac<\/h4>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1: 4140\uac15\uc5d0\uc11c \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uc5f4\ucc98\ub9ac \ubc29\ubc95\uc785\ub2c8\ub2e4. 830-860\u00b0C\uc5d0\uc11c \uc624\uc77c \ub2f4\uae08\uc9c8\uc744 \uc2e4\uc2dc\ud558\uc5ec AISI 4140\uc758 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uc870\uc9c1\uc744 \uc5bb\uace0, 500-650\u00b0C\uc5d0\uc11c \uace0\uc628 \ud15c\ud37c\ub9c1\uc744 \ud1b5\ud574 \ud15c\ud37c\ub4dc \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \ub610\ub294 \ud15c\ud37c\ub4dc \uc18c\ub974\ubc14\uc774\ud2b8 \uc870\uc9c1\uc744 \uc5bb\uc5b4 \ub192\uc740 \uac15\ub3c4\uc640 \uc778\uc131\uc744 \uade0\ud615 \uc788\uac8c \ud655\ubcf4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc815\uc0c1\ud654 \ucc98\ub9ac: AISI 4140\uc744 850-880\u00b0C\ub85c \uac00\uc5f4\ud55c \ud6c4 \uacf5\ub0c9\ud569\ub2c8\ub2e4. \uc774\ub294 \uacb0\uc815\ub9bd\uc744 \ubbf8\uc138\ud654\ud558\uace0 \uc870\uc9c1\uc744 \uade0\uc9c8\ud654\ud558\uba70 \ub0b4\ubd80 \uc751\ub825\uc744 \ud574\uc18c\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc8fc\ub85c \ub2e8\uc870 \ub610\ub294 \uc555\uc5f0 \ud6c4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 4140\uac15\uc758 \uc815\uc0c1\ud654 \ucc98\ub9ac\ub41c \ud56d\ubcf5\uac15\ub3c4\ub294 \ub300\ub7b5 700-900 MPa \ubc94\uc704\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud480\ub9bc \ucc98\ub9ac: 680-720\u00b0C\ub85c \uac00\uc5f4\ud55c \ud6c4 \ub178\ub0c9\ud558\uc5ec AISI 4140\uc758 \uacbd\ub3c4\ub97c \ub0ae\ucd94\uace0 \uac00\uacf5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \ud6c4\uc18d \uac00\uacf5\uc774 \ud544\uc694\ud55c \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. CNC \ubc00\ub9c1<\/a>.<\/p>\n\n\n\n

3. \uac00\uacf5<\/h4>\n\n\n\n

\uc120\ubc18, \ubc00\ub9c1, \ub4dc\ub9b4\ub9c1, \ud0ed\ud551 \ub4f1: \uc77c\ubc18\uc801\uc73c\ub85c 4140 \ud569\uae08\uac15\uc758 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ub610\ub294 \uc815\uc0c1\ud654 \ucc98\ub9ac \ud6c4\uc5d0 \uc2e4\uc2dc\ud569\ub2c8\ub2e4. AISI 4140\uac15 \uac00\uacf5\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc808\uc0ad \uacf5\uad6c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ucd08\uacbd \uacf5\uad6c \ub610\ub294 CBN\/\uc138\ub77c\ubbf9 \uacf5\uad6c\uc785\ub2c8\ub2e4. \uc2a4\ud540\ub4e4 \uc18d\ub3c4\ub294 4140 \uc791\uc5c5\ubb3c\uc758 \uc5f4\ucc98\ub9ac \uc0c1\ud0dc\uc5d0 \ub530\ub77c \uc124\uc815\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uac00\uacf5 \uc870\uac74\uc740 Weldo 4\ucd95 \uae30\uacc4 \uc791\uc5c5\uc790\uc758 \uacbd\ud5d8\uc744 \ubc14\ud0d5\uc73c\ub85c \uc815\ub9ac\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

\ud480\ub9bc \ucc98\ub9ac\ub41c 4140 \ud569\uae08\uac15\uc740 \uacbd\ub3c4\uac00 \ube44\uad50\uc801 \ub0ae\uc73c\uba70, \uc2a4\ud540\ub4e4 \uc18d\ub3c4 \ubc94\uc704\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 150-200 m\/min\uc785\ub2c8\ub2e4.;<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ub41c 4140 \ud569\uae08\uac15\uc740 \uacbd\ub3c4\uac00 \uc911\uac04\uc774\uba70, \uc18d\ub3c4 \ubc94\uc704\ub294 100-150 m\/min\uc785\ub2c8\ub2e4.;<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8\ub41c AISI 4140\uac15\uc740 \uacbd\ub3c4\uac00 \ube44\uad50\uc801 \ub192\uc73c\uba70, \uacf5\uad6c \uc18d\ub3c4 \ubc94\uc704\ub294 80-120 m\/min\uc785\ub2c8\ub2e4.;<\/p>\n\n\n\n

\uacf5\uad6c \uc774\uc1a1\uc740 0.04-0.2\ub85c \uc124\uc815\ud558\uba70, \uacf5\uad6c \ub3cc\ucd9c \uae38\uc774\ub294 \uc9c4\ub3d9\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ub108\ubb34 \uae38\uc9c0 \uc54a\uac8c \ud574\uc57c \ud569\ub2c8\ub2e4. \ub0c9\uac01\uc81c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc5c5\ubb3c\uc758 \uc5f4\uc744 \ubd84\uc0b0\uc2dc\ud0a4\uace0 \uacf5\uad6c \ub9c8\ubaa8\uc728\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5f0\uc0ad: AISI 4140 \ubd80\ud488\uc758 \ub113\uc740 \uba74 \ub610\ub294 \ubc30\uce58 \uba74\uc758 \ub9c8\ubb34\ub9ac \uac00\uacf5\uc5d0 \uc0ac\uc6a9\ub418\uba70, \ud45c\uba74 \ub9c8\uac10\uacfc \uce58\uc218 \uc815\ud655\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc0e4\ud504\ud2b8, \uae30\uc5b4 \ub4f1 \ubd80\ud488\uc758 \ucd5c\uc885 \uac00\uacf5\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\"5\ucd95<\/figure>\n\n\n\n

4. \ud45c\uba74 \ucc98\ub9ac<\/h4>\n\n\n\n

AISI 4140 \uc791\uc5c5\ubb3c\uc758 \ud45c\uba74 \ucc98\ub9ac\ub294 \ubd80\uc2dd \ubc29\uc9c0 \ubc0f \ub179 \ubc29\uc9c0, \ud45c\uba74 \uac15\ud654, \uc678\uad00 \ucc98\ub9ac\ub85c \ub098\ub269\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubd80\uc2dd \ubc29\uc9c0 \ubc0f \ub179 \ubc29\uc9c0<\/strong>:<\/p>\n\n\n\n

\uc778\uc0b0\uc5fc \ucc98\ub9ac, \ud751\uc0c9 \uc0b0\ud654, \uc544\uc5f0 \ub3c4\uae08, \ud06c\ub86c \ub3c4\uae08<\/p>\n\n\n\n

4140\uc740 \uc8fc\ub85c \ub9dd\uac04 \uc778\uc0b0\uc5fc \ucc98\ub9ac\ub97c \uc0ac\uc6a9\ud558\uba70, \uc628\ub3c4 \uc800\ud56d\uc131\uacfc \ub0b4\ub9c8\ubaa8\uc131\uc774 \uc6b0\uc218\ud558\uc5ec \uc8fc\ub85c \uac00\uacf5 \ubd80\ud488, \uc0e4\ud504\ud2b8, \uae30\uc5b4\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uadf8 \ub2e4\uc74c\uc73c\ub85c \uc624\uc77c \uce68\uc9c0\/\uc2a4\ud504\ub808\uc774 \ud398\uc778\ud305\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

4140\uc758 \ud751\uc0c9 \uc0b0\ud654 \ucc98\ub9ac\ub294 \ube44\uc6a9\uc774 \ub0ae\uc73c\uba70, \ubbf8\ud06c\ub860 \uc218\uc900\uc758 \ud53c\ub9c9\uc774 \uce58\uc218\uc5d0 \uc601\ud5a5\uc744 \uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ub41c 4140\uc758 \uc544\uc5f0 \ub3c4\uae08 \ucc98\ub9ac\ub294 \uc8fc\ub85c \uc57c\uc678 \ubd80\ud488, \ud328\uc2a4\ub108, \uc11d\uc720 \uae30\uacc4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub2f4\uae08\uc9c8, \ud15c\ud37c\ub9c1, \ud06c\ub86c \ub3c4\uae08 \ud6c4 4140\uac15\uc758 \uc801\uc6a9 \ubd84\uc57c\ub294 \uc720\uc555 \uc2e4\ub9b0\ub354, \ud53c\uc2a4\ud1a4 \ub85c\ub4dc, \uae08\ud615 \ub4f1\uc774 \uc788\uc73c\uba70, \ucf54\ud305 \uc811\ucc29\ub825\uc774 \uac15\ud55c \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c\uba74 \uac15\ud654<\/strong>:<\/p>\n\n\n\n

\uc9c8\ud654 \ucc98\ub9ac: 4140\uac15\uc744 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc5f4\ucc98\ub9ac \ud6c4 \uc9c8\ud654 \ucc98\ub9ac\ub97c \ud558\uba74 \ud53c\ub85c \uc800\ud56d\uc131\uc774 50% \uc774\uc0c1 \ud5a5\uc0c1\ub418\uba70, \uc8fc\ub85c \uae30\uc5b4, \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \ubca0\uc5b4\ub9c1 \uc2dc\ud2b8, \ub098\uc0ac \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\ub3c4 \uacbd\ud654: \uace0\ud6a8\uc728\ub85c \ub300\ub7c9\uc758 4140\uac15 \ubd80\ud488(\ucd95, \uae30\uc5b4, \ud540 \ub4f1)\uc758 \ud45c\uba74 \uacbd\ud654\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub808\uc774\uc800 \uacbd\ud654: \uace0\uc5d0\ub108\uc9c0 \uad6d\ubd80 \uac00\uc5f4\uacfc \uc790\uccb4 \ub0c9\uac01\uc73c\ub85c AISI 4140 \ubd80\ud488\uc5d0 \uc801\uc6a9\ud558\uba70, \ubcc0\ud615\uc774 \uc801\uace0 \uc815\ubc00 \ubd80\ud488 \ubc0f \ubcf5\uc7a1\ud55c \uce90\ube44\ud2f0\uc758 \uad6d\ubd80 \uac15\ud654\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc1fc\ud2b8 \ud53c\ub2dd\/\ube14\ub77c\uc2a4\ud305: 4140\uac15\uc758 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4 \ucc98\ub9ac\ub85c, \uacf5\uc791\ubb3c\uc758 \ub0b4\ubd80 \uc751\ub825\uc744 \uc77c\ubd80 \ud574\uc18c\ud558\uace0 \ud53c\ub85c \uc800\ud56d\uc131\uacfc \uade0\uc5f4 \ubc29\uc9c0 \ud6a8\uacfc\ub97c \ub192\uc5ec \uc8fc\ub85c \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \ucee4\ub125\ud305 \ub85c\ub4dc, \uc2a4\ud504\ub9c1 \ub4f1\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc678\uad00 \ucc98\ub9ac<\/strong>:<\/p>\n\n\n\n

\uc5f0\ub9c8: AISI 4140\uc740 \uae30\uacc4 \uc5f0\ub9c8\uc640 \uc804\ud574 \uc5f0\ub9c8 \ubaa8\ub450 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uc804\ud574 \uc5f0\ub9c8\ub294 \ud45c\uba74 \ub9c8\uac10\ub3c4\uac00 \ub354 \uc6b0\uc218\ud558\uba70, RA\u22640.2\uae4c\uc9c0 \ub3c4\ub2ec\ud560 \uc218 \uc788\uc5b4 \ubcf5\uc7a1\ud55c 4340 \ubd80\ud488 \uac00\uacf5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

PVD \ucf54\ud305: 4140\uac15\uc758 \ud45c\uba74 \uacbd\ub3c4\ub97c \ub192\uc774\uace0 \ub9c8\ucc30 \uacc4\uc218\ub97c \uc904\uc785\ub2c8\ub2e4. \ucd95 \ubc0f \ub9c8\ucc30 \ubd80\ud488\uc774 4140\uac15\uc758 \uc77c\ubc18\uc801\uc778 \uc6a9\ub3c4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\"aisi<\/figure>\n\n\n\n

AISI 4140\uac15\uc758 \uc77c\ubc18\uc801\uc778 \ud615\ud0dc<\/h2>\n\n\n\n

4140\uac15 \ud310\uc7ac<\/h3>\n\n\n\n

4140\uac15 \ud310\uc7ac\ub294 \uc8fc\ub85c \uc5f4\uac04 \uc555\uc5f0\ud310, \ub0c9\uac04 \uc555\uc5f0\ud310, \ud3c9\ud0c4\ud310\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. 4140\uac15 \uc0ac\uc591\uc740 \ub450\uaed8 0.1mm~300mm\uae4c\uc9c0 \ub2e4\uc591\ud558\uba70, \ud3ed\uacfc \uae38\uc774\ub294 \uc694\uad6c\uc5d0 \ub530\ub77c \ub9de\ucda4 \uc81c\uc791 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uae08\ud615, \uad6c\uc870 \ubd80\ud488, \uc555\ub825 \uc6a9\uae30 \uc81c\uc870\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

4140\uac15 \ubd09\uc7ac<\/h3>\n\n\n\n

4140\uac15 \ubd09\uc7ac \uacf5\uae09\uc5c5\uccb4\ub97c \ubc29\ubb38\ud558\uba74 \uc5f4\uac04 \uc555\uc5f0 \uc6d0\ud615\ubd09, \ub0c9\uac04 \uc778\ubc1c \uc6d0\ud615\ubd09, \ub2e8\uc870 \uc6d0\ud615\ubd09\uc744 \uc790\uc8fc \ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c1\uacbd\uc740 \uc218 mm\uc5d0\uc11c \uc218\ubc31 mm\uae4c\uc9c0 \ub2e4\uc591\ud558\uba70, \ucd95, \uae30\uc5b4, \ubcfc\ud2b8 \ub4f1 \uae30\uacc4 \ubd80\ud488 \uc81c\uc870\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

4140\uac15 \ud29c\ube0c<\/h3>\n\n\n\n

4140 \ubb34\uacc4\ubaa9 \ud29c\ube0c\uc640 \uc6a9\uc811 \ud29c\ube0c\ub97c \ud3ec\ud568\ud558\uba70, \ub2e4\uc591\ud55c \uc678\uacbd \ubc0f \ubcbd \ub450\uaed8 \uc0ac\uc591\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc11d\uc720 \uc2dc\ucd94, \ud654\ud559 \ud30c\uc774\ud504\ub77c\uc778, \uae30\uacc4 \uc804\ub2ec \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uac15\ub3c4, \ub0b4\uc2dd\uc131, \ubc00\ubd09 \uc131\ub2a5 \uc694\uad6c\ub97c \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

4140\uac15 \ub2e8\uc870\ud488<\/h3>\n\n\n\n

4140\uc740 \ud2b9\uc815 \uc694\uad6c\uc5d0 \ub530\ub77c \ub9de\ucda4\ud615 \ud615\ud0dc\ub85c \ub2e8\uc870\ud560 \uc218 \uc788\uc73c\uba70, \uae30\uc5b4 \ube14\ub7ad\ud06c, \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \ucee4\ub125\ud305 \ub85c\ub4dc \ub4f1 4140 \ud569\uae08\uac15 \uac00\uacf5 \ubd80\ud488\uc73c\ub85c \uc81c\uc791\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uade0\uc77c\ud55c \uacb0\uc815 \uad6c\uc870, \uc6b0\uc218\ud55c \uc778\uc131, \uc77c\uc815\ud55c \ucda9\uaca9 \uc800\ud56d\uc131\uc744 \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

4140\uac15 \uc640\uc774\uc5b4<\/h3>\n\n\n\n

\ubbf8\uc138 \uc9c1\uacbd \uc640\uc774\uc5b4\ub294 \uc2a4\ud504\ub9c1, \uac15\ucca0 \uc640\uc774\uc5b4 \ub85c\ud504, \uc6a9\uc811 \uc7ac\ub8cc \ub4f1 \uc81c\uc870\uc5d0 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud0c4\uc131 \ubc0f \uac15\ub3c4\uac00 \uc6b0\uc218\ud569\ub2c8\ub2e4. 4140\uac15\uc758 \uc6a9\uc811\uc131\uc740 \uc911\uac04~\ub0ae\uc740 \uc218\uc900\uc774\uba70, \uc6a9\uc811 \uc804 \uc608\uc5f4\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uac00\uc2a4 \ubcf4\ud638 \uc6a9\uc811 \ub610\ub294 \uc218\ub3d9 \uc544\ud06c \uc6a9\uc811\uc744 \uad8c\uc7a5\ud558\uba70, \uc218\uc18c\uac00 \uc27d\uac8c \ubc1c\uc0dd\ud558\ub294 \uc6a9\uc811 \uacf5\uc815\uc740 \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacb0\ub860<\/h2>\n\n\n\n

\uc704 \ub0b4\uc6a9\uc740 aisi 4140 \uac15\uc758 \uc804\uccb4\uc801\uc778 \uc7ac\ub8cc \ud2b9\uc131\uacfc \uc77c\ubc18\uc801\uc778 \uc6d0\uc790\uc7ac \ud615\ud0dc\ub97c \ubaa8\ub450 \ub2e4\ub8f9\ub2c8\ub2e4. \ub354 \uc790\uc138\ud55c \uc815\ubcf4\ub97c \uc6d0\ud558\uc2dc\uac70\ub098 \uacac\uc801 \uc694\uccad <\/a>\uac15 \uac00\uacf5 \uc11c\ube44\uc2a4\uc5d0 \ub300\ud574 \ubb38\uc758\ud558\uace0 \uc2f6\uc73c\uc2dc\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \uc800\ud76c\uc5d0\uac8c \uc5f0\ub77d\ud574 \uc8fc\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uc6f0\ub3c4 \uba38\uc2dc\ub2dd<\/a>.<\/p>\n\n\n\n

\"\uc6f0\ub3c4
\uc6f0\ub3c4 \uac00\uacf5 \uc13c\ud130<\/figcaption><\/figure>\n\n\n\n

\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n
\n
\n
\n

AISI 4140 \ud569\uae08\uac15\uc744 \uc5b4\ub5bb\uac8c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ud560\uae4c\uc694?<\/h3>\n
\n\n

AISI 4140\uc744 810-850\u00b0C\ub85c \uac00\uc5f4\ud558\uc5ec \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \ubc0f \uc720\uc9c0\ud55c \ud6c4, \uc624\uc77c \ub2f4\uae08\uc9c8\ub85c \ub0c9\uac01\ud558\uace0, \uace0\uc628(\ub610\ub294 \uc800\uc628) \ud15c\ud37c\ub9c1\uc744 \ud1b5\ud574 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \uc5bb\uc2b5\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n

\n

AISI 4140 \ud0c4\uc18c\uac15\uc744 \ubb3c \ub2f4\uae08\uc9c8\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/h3>\n
\n\n

AISI 4140\uc740 \uc218\ub0c9 \ub2f4\uae08\uc9c8\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \uc791\uc740 \ubd80\ud488\uc870\ucc28\ub3c4 \ub2e8\uba74\uc5d0\uc11c \ub2f4\uae08\uc9c8 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ub300\ud615 AISI 4140 \ubd80\ud488, \ub450\uaebc\uc6b4 \ubcbd \ubd80\ud488, \ubcf5\uc7a1\ud55c \ubd80\ud488\uc5d0\ub294 \uc218\ub0c9 \ub2f4\uae08\uc9c8\uc774 \uc5c4\uaca9\ud788 \uae08\uc9c0\ub429\ub2c8\ub2e4. \uae09\uc18d \ub0c9\uac01\uc740 \uade0\uc5f4, \uc2ec\ud55c \ubcc0\ud615, \uadf8\ub9ac\uace0 \ubd88\ub7c9\ud488 \ubc1c\uc0dd\uc758 \uc6d0\uc778\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\ub300\ubd80\ubd84\uc758 \uacbd\uc6b0, AISI 4140 \uac00\uacf5\ud488\uc740 \uc624\uc77c \ub2f4\uae08\uc9c8\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc624\uc77c \ub9e4\uc9c8\uc758 \ub0c9\uac01 \uc18d\ub3c4\ub294 \ube44\uad50\uc801 \uc644\ub9cc\ud558\uc5ec \uacbd\ud654 \ud6a8\uacfc\uc640 \ubcc0\ud615 \uc81c\uc5b4\ub97c \ub354 \uc798 \uade0\ud615 \uc788\uac8c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n

\n

4140\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc778\uac00<\/h3>\n
\n\n

4140 \ud569\uae08\uac15\uc758 \ud06c\ub86c \ud568\ub7c9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 0.80%~1.10%\ub85c, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uae30\uc900\uc778 10.5% \uc774\uc0c1\uc5d0 \ud6e8\uc52c \ubabb \ubbf8\uce58\uae30 \ub54c\ubb38\uc5d0 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud2b9\uc720\uc758 \ub0b4\uc2dd\uc131\uc744 \uac16\uace0 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c 4140 \uac15\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

AISI 4140 is an American standard grade of chrome moly steel. The 4140 steel equivalent in China is 42CrMo, in Germany is 42CrMo4, and in Japan is SCM440 alloy steel. It features high strength, high toughness, and good hardenability. Due to its moderate carbon content and rich alloying elements, it is also commonly heat treated […]<\/p>\n","protected":false},"author":2,"featured_media":10048,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-10044","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/10044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/comments?post=10044"}],"version-history":[{"count":3,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/10044\/revisions"}],"predecessor-version":[{"id":10070,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/10044\/revisions\/10070"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media\/10048"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media?parent=10044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/categories?post=10044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/tags?post=10044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}