{"id":1152,"date":"2025-12-22T08:06:37","date_gmt":"2025-12-22T00:06:37","guid":{"rendered":"https:\/\/haoyumaterial.com\/product\/4340-steel-casting\/"},"modified":"2025-12-22T08:20:00","modified_gmt":"2025-12-22T00:20:00","slug":"4340-steel-casting","status":"publish","type":"product","link":"https:\/\/haoyumaterial.com\/ko\/product\/4340-steel-casting\/","title":{"rendered":"4340 \uac15\ucca0 \uc8fc\uc870 \uace0\uac15\ub3c4 \ud569\uae08 \uac15\ucca0 \uc8fc\uc870"},"content":{"rendered":"<h2>4340 \uac15\ucca0 \uc8fc\uc870 \uc81c\ud488 \uac1c\uc694<\/h2>\n<h3>\uc911\uc694 \uc11c\ube44\uc2a4\uc6a9 \uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc8fc\uc870<\/h3>\n<p>\ub098\ub294 \uacf5\uae09\ud569\ub2c8\ub2e4 <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong> \ub9e4\uc6b0 \ub192\uc740 \ud558\uc911\uc744 \uc9c0\ud0f1\ud558\uace0 \ucda9\uaca9\uc744 \uacac\ub514\uba70 \uae4c\ub2e4\ub85c\uc6b4 \ub3d9\uc791 \uc8fc\uae30\ub97c \ub2e4\ub8f0 \ud544\uc694\uac00 \uc788\uc744 \ub54c, \uc18c\ud615 \ubd80\ud488\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. As a <strong>\ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ubb44(Ni-Cr-Mo) \ud569\uae08\uac15<\/strong>, <strong>AISI 4340 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> \uac15\ub825\ud55c \uc870\ud569\uc758 \uc6b0\uc218\ud55c:<\/p>\n<ul>\n<li>\ub192\uc740 \uc778\uc7a5\uac15\ub3c4 \ubc0f \ud56d\ubcf5\uac15\ub3c4<\/li>\n<li>\uc6b0\uc218\ud55c \uc778\uc131 \ubc0f \ucda9\uaca9 \uc800\ud56d<\/li>\n<li>\uc8fc\uae30\uc801 \ubc0f \ud68c\uc804 \ud558\uc911\uc5d0 \ub300\ud55c \uc6b0\uc218\ud55c \ud53c\ub85c \uc131\ub2a5<\/li>\n<li>wide range\uc758 \uac15\ub3c4 \uc218\uc900\uc5d0 \ub300\ud55c \uc5f4\ucc98\ub9ac \uac00\ub2a5\uc131<\/li>\n<\/ul>\n<p>\ud45c\uc900 \ud0c4\uc18c\uac15 \uc8fc\uc870\uc5d0 \ube44\ud574, <strong>4340 \uc8fc\uc870\uac15<\/strong> \ub354 \ub192\uc740 \uac15\ub3c4\ub300\ube44 \uc911\ub7c9\ube44\uc640 \ud6e8\uc52c \ub354 \ub6f0\uc5b4\ub09c \uc778\uc131\uc774 \ud2b9\ud788 \ub450\uaebc\uc6b4 \ub2e8\uba74 \ubc0f \uace0\uc2a4\ud2b8\ub808\uc2a4 \uc601\uc5ed\uc5d0\uc11c \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/p>\n<h3>4340 \uc8fc\uc870 \uac15\uc7ac\uac00 \uc0ac\uc6a9\ub418\ub294 \uc704\uce58<\/h3>\n<p>My <strong>4340 \ub2e4\uc774\uce90\uc2a4\ud2b8 \uc8fc\uc870<\/strong> \uacfc <strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong> \uc194\ub8e8\uc158\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uc5d0 \ub300\ud574 \uba85\uc2dc\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud56d\uacf5\uc6b0\uc8fc 4340 \uc8fc\uc870 \ubd80\ud488<\/strong> \u2013 \uad6c\uc870\uc6a9 \ud53c\ud305, \uc5f0\uacb0\ub9c1, \uae30\uc5b4 \uad6c\uc131\ud488<\/li>\n<li><strong>\ubc29\uc704\uae09 \ud569\uae08 \uc8fc\uc870<\/strong> \u2013 \uc911\uc7a5\ube44 \uae30\uc5b4 \uc8fc\uc870, \uc0e4\ud504\ud2b8, \ubb34\uae30 \uc2dc\uc2a4\ud15c \ubd80\ud488<\/li>\n<li><strong>\uc11d\uc720 \ubc0f \uac00\uc2a4 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> \u2013 \uace0\uc555 \ubc38\ube0c, \uc2dc\ucd94 \uacf5\uad6c, \ud38c\ud504 \ubc0f \uacf5\uad6c \ubab8\uccb4<\/li>\n<li><strong>\uc911\uc7a5\ube44 \ubc0f \uc0b0\uc5c5 \uae30\uacc4<\/strong> \u2013 \ucd95, \ud5c8\ube0c, \uc804\uc1a1 \ubc0f \uad6c\ub3d9 \ubd80\ud488<\/li>\n<\/ul>\n<p>\uc774 \ubd84\uc57c\uc5d0\uc11c \uc124\uacc4\uc790\ub4e4\uc740 \uc0ac\uc6a9\ud569\ub2c8\ub2e4 <strong>\ub2f4\uae08\uc9c8 \ubc0f \ub2e8\ub2e8\ud654\ub41c 4340 \uc8fc\uc870<\/strong> \ucda9\uaca9, \uad7d\ud798 \ubc0f \uc7a5\uae30 \ud53c\ub85c \ud558\uc911\uc744 \uacac\ub514\uc9c0 \ubabb\ud558\uba74 \uc548 \ub418\ub294 \ubd80\ud488\uc5d0\uc11c.<\/p>\n<h3>4340 \ub300 \ud45c\uc900 \ud0c4\uc18c\uac15 \uc8fc\uc870<\/h3>\n<p>\ube44\uad50\ud560 \ub54c <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong> \uc77c\ubc18 \ud0c4\uc18c\uac15 \uc8fc\uc870(\uc608: 1020 \ub610\ub294 1045)\uc640 \ube44\uad50\ud558\uc5ec:<\/p>\n<ul>\n<li><strong>\uac15\ub3c4<\/strong> \u2013 4340\uc740 \uc5f0\uc131\uacfc \ud568\uaed8 \ub354 \ub192\uc740 \uac15\ub3c4 \uc218\uc900\uc73c\ub85c \uc5f4\ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5f0\uc131<\/strong> \u2013 Ni-Cr-Mo \uc870\uc131\uc740 \ud2b9\ud788 \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c \ud0c1\uc6d4\ud55c \ucda9\uaca9 \uc800\ud56d \ubc0f \ub178\uce58 \uc778\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud53c\ub85c \uc218\uba85<\/strong> \u2013 \ud53c\ub85c \uc800\ud56d \uac15\uc8fc\uc870\uc778 4340\uc740 \ud68c\uc804 \ubc0f \uc21c\ud658 \uc751\uc6a9\uc5d0\uc11c \ud45c\uc900 \ud0c4\uc18c\uae09\ubcf4\ub2e4 \ud06c\uac8c \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5f4\ucc98\ub9ac \uc720\uc5f0\uc131<\/strong> \u2013 4340\uc740 \uc644\uc804\ud55c <strong>\uc5f4\ucc98\ub9ac \uac00\ub2a5\ud55c \uac15\uc8fc\uc870<\/strong>, \uacbd\ub3c4\uc640 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc815\ubc00\ud558\uac8c \uc870\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ud53c\ub85c \ud06c\ub799, \ucda9\uaca9 \ud30c\uc190, \ub610\ub294 \ud0c4\uc18c\uac15 \uc8fc\uc870\ubb3c\uc758 \uacfc\ub300 \ubd80\ud558 \ub2e8\uba74\uc774 \ubcf4\uc774\ub294 \uacbd\uc6b0, \uc774\ub3d9\ud558\ub294 \uac83\uc774 <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong> \ubb34\uac8c\ub098 \uccb4\uc801 \ud06c\uae30\ub97c \ub298\ub9ac\uc9c0 \uc54a\uc73c\uba74\uc11c \uc2e0\ub8b0\uc131\uc744 \ub192\uc774\ub294 \uac00\uc7a5 \ud6a8\uc728\uc801\uc778 \ubc29\ubc95\uc778 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>4340 \uc2a4\ud2f8 \uc8fc\uc870\uc758 \uc8fc\uc694 \uc774\uc810<\/h2>\n<h3>\uc911\uc694 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\uc758 \ub192\uc740 \uac15\ub3c4\uc640 \uc778\uc131<\/h3>\n<p>4340 \uc2a4\ud2f8 \uc8fc\uc870\ub294 \ud76c\uadc0\ud55c \uc870\ud569\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4 <strong>\ub192\uc740 \ud56d\ubcf5\uac15\ub3c4\uc640 \uc778\uc131<\/strong>, \uc2e4\uc81c \uc11c\ube44\uc2a4\uc5d0\uc11c \ucda9\uaca9 \ud761\uc218\uc640 \uade0\uc5f4 \uc800\ud56d\uc774 \uc720\uc9c0\ub418\ub3c4\ub85d, <strong>\ub2f4\uae08\uc9c8 \ubc0f \ub2e8\ub2e8\ud654\ub41c 4340 \uc8fc\uc870<\/strong> \uc801\uc808\ud55c \uc5f4\ucc98\ub9ac\ub85c.<\/p>\n<h3>\ub9e4\uc6b0 \ub192\uc740 \uac15\ub3c4 \uc218\uc900\uc5d0 \ub3c4\ub2ec\ud558\uba74\uc11c\ub3c4 \ucda9\uaca9 \ud761\uc218 \ubc0f \uade0\uc5f4 \uc800\ud56d\uc774 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/h3>\n<p>\ubd80\ud488\uc774 \ubcf4\uac8c \ub418\ub294 \uacbd\uc6b0 <strong>\ud68c\uc804 \ubc0f \uc21c\ud658 \ud558\uc911 \ubd80\ud488\uc758 \ud53c\ub85c \uc800\ud56d<\/strong>\ud68c\uc804, \uad7d\ud798 \ub610\ub294 \uc21c\ud658 \ud558\uc911<strong>AISI 4340 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> \u2014 \uae30\uc5b4, \ucc28\ucd95, \ud06c\ub7ad\ud06c\ucd95, \ub4dc\ub9b4 \uad6c\uc131\uc694\uc18c \u2014 <strong>\uc77c\ubc18 \ud0c4\uc18c\uac15\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \uacac\uace0\ud558\uac8c \ubc84\ud168\ub0c5\ub2c8\ub2e4. \uadf8<\/strong> Ni-Cr-Mo \ud569\uae08 <strong>\ud53c\ub85c \uc800\ud56d\uc131<\/strong>, \uc11c\ube44\uc2a4 \uc218\uba85\uc744 \uc5f0\uc7a5\ud558\uace0 \uae4c\ub2e4\ub85c\uc6b4 \ub0a8\ud55c \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c \uc608\uae30\uce58 \ubabb\ud55c \ub2e4\uc6b4\ud0c0\uc784\uc744 \uc904\uc774\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc8fc\ub294,.<\/p>\n<h3>\uc911\uc7a5\ube44 \ubd80\ud488\uc758 \ub9c8\ubaa8 \ubc0f \ucda9\uaca9 \uc800\ud56d<\/h3>\n<p>For <strong>\uc911\uc7a5\ube44 \uae30\uc5b4 \uc8fc\uc870, 4340<\/strong>, \ucda9\uaca9 \ud314, \ud574\uba38 \ubd80\ud488 \ubc0f \uad6c\ub3d9 \ubd80\ud488 \uc774 \uc774 \ud569\uae08\uc740 <strong>\uac15\ud55c \ub9c8\ubaa8 \uc800\ud56d\uacfc \ub354\ubd88\uc5b4 \ucda9\uaca9 \uc778\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4<\/strong>. \uc77c\ubc18\uc801\uc73c\ub85c \uc798 \uacac\ub525\ub2c8\ub2e4 <strong>\uc11d\uc720\uac00\uc2a4 \ud569\uae08\uac15 \uc8fc\uc870<\/strong>, \ucc44\uad74, \ubc29\uc704 \uc0b0\uc5c5 \ubc0f \uace0\uae09 \uc7a5\ube44\uc5d0\uc11c \uc5f0\ub9c8, \ucda9\uaca9 \ud558\uc911 \ubc0f \uac00\ud639\ud55c \uc870\uac74\uc774 \ud45c\uc900\uc778 \uacf3.<\/p>\n<h3>\uc815\uaddc\ud654 \ub610\ub294 \uc18c\ud504\ud2b8 \uc5f4\ucc98\ub9ac \ud6c4 \uc6b0\uc218\ud55c \uac00\uacf5\uc131<\/h3>\n<p>4340\uc740 <strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc8fc\uc870\uc774\uc9c0\ub9cc<\/strong>, \uc815\uaddc\ud654\ub418\uac70\ub098 \uc5f0\ud654\ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ud558\uba74 \uac00\uacf5\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4. \uc989:<\/p>\n<ul>\n<li>\ub4dc\ub9b4\ub9c1, \uc120\uc0ad \ubc0f \ubc00\ub9c1\uc774 \ub354 \uc26c\uc6c0<\/li>\n<li>\uacf5\uad6c \uc218\uba85 \ubc0f \ud45c\uba74 \ub9c8\uac10\uc774 \ud5a5\uc0c1<\/li>\n<li>\ucd5c\uc885 \uc804 \uac00\uacf5 \ube44\uc6a9 \uc808\uac10 <strong>\ub2f4\uae08\uc9c8 \ucc98\ub9ac\ub41c 4340 \ud569\uae08 \uc8fc manufactured \uc6d0\ud615<\/strong> \uc758 \uac15\ub3c4\uae4c\uc9c0 \ub04c\uc5b4\uc62c\ub824<\/li>\n<\/ul>\n<p>\ub2f9\uc0ac\ub294 \uad6c\uc870\ub97c \uade0\uc77c\ud558\uac8c \uc720\uc9c0\ud558\uace0 \ubc30\uc218\ub97c \uc77c\uc815\ud558\uac8c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 <strong>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc8fc\uc870 \uacf5\uc815<\/strong> \uc720\uc0ac\ud55c \uacf5\uc815 \uc81c\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubcf5\ud569 \ud615\uc0c1\uc5d0 \ub300\ud55c \uc124\uacc4 \uc790\uc720\ub3c4<\/h3>\n<p>\uc591\ucabd\uc73c\ub85c <strong>4340 \ub2e4\uc774\uce90\uc2a4\ud2b8 \uc8fc\uc870<\/strong> \uacfc <strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong>, \uac15\ub825\ud55c \uc124\uacc4 \uc720\uc5f0\uc131\uc774 \uc81c\uacf5\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc815\ubc00 4340 \ud569\uae08 \uc8fc\ubb3c: \uc8fc\uc870 \uacf5\uc815<\/strong>\n<ul>\n<li>\ubcf5\uc7a1\ud55c \ud615\uc0c1<\/li>\n<li>\uc587\uc740 \ubcbd<\/li>\n<li>\uce58\uc218 \ud5c8\uc6a9\uc624\ucc28\ub97c \uc5c4\uaca9\ud558\uac8c \ud558\uace0 \ub354 \uae68\ub057\ud55c \ud45c\uba74<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uc0cc\ub4dc \uc8fc\uc870(\ub300\ud615 4340 \uc8fc\uc870):<\/strong>\n<ul>\n<li>\ub354 \ud06c\uace0 \ubb34\uac70\uc6b4 \uc808\uac1c\ubd80<\/li>\n<li>\uc124\uacc4 \ubcc0\uacbd\uc5d0 \ub300\ud55c \ub354 \ud070 \uc720\uc5f0\uc131<\/li>\n<li>\uc911\ub300\ud615 \ubd80\ud488\uc5d0 \ube44\uc6a9 \ud6a8\uc728\uc801<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\uc774\ub85c\uc368 \uc6b0\ub9ac\ub294 \uc124\uacc4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>\ub9de\ucda4 4340 \uac15\uc8fc\uc870<\/strong> \ubd80\ud488\uc758 \uc131\ub2a5 \uc694\uad6c\uc5d0 \ub9de\ucdb0 \ubc14(bar)\ub098 \ub2e4\uc774\uce90\uc2a4\ud305\uc73c\ub85c \ubaa8\ub4e0 \ubd80\ud488\uc744 \uac00\uacf5\ud558\uac8c \ub9cc\ub4dc\ub294 \ub300\uc2e0\uc5d0.<\/p>\n<h2>4340 \uac15\uc8fc\uc870 \uc7ac\uc9c8 \uaddc\uaca9<\/h2>\n<p>\uc6b0\ub9ac\uac00 \uc0dd\uc0b0\ud560 \ub54c <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong>, \uc5d0 \ub530\ub77c, \uc6b0\ub9ac\ub294 \uac00\ud639\ud558\uace0 \ucd94\uc801 \uac00\ub2a5\ud55c \uaddc\uaca9\uc744 \uc9c0\ucf1c \uadc0\ud558\uc758 \ubd80\ud488\uc774 \ud504\ub9ac\ubbf8\uc5c4 \ub2e8\uc870 \ubc0f \uc9c1\ubc1c\uc8fc \ud569\uae08\uc758 \uc131\ub2a5\uacfc \uc77c\uce58\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<h3>AISI 4340 \ubc0f \ub3d9\ub4f1 \ub4f1\uae09<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uc815\uae30\uc801\uc73c\ub85c \uc8fc\uc785\ud558\uace0 \uc778\uc99d\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>AISI \/ SAE 4340<\/strong><\/li>\n<li><strong>UNS G43400<\/strong><\/li>\n<li><strong>EN 34CrNiMo6<\/strong><\/li>\n<li><strong>EN 1.6582<\/strong><\/li>\n<\/ul>\n<p>\uc774 Ni-Cr-Mo \ud569\uae08 \uac15 \uc8fc\ubb3c \ub4f1\uae09\uc740 \uc5f4\ucc98\ub9ac \uc870\uac74\uc758 \ub2e4\uc591\ud55c \ubc94\uc704\uc5d0\uc11c \ub192\uc740 \uac15\ub3c4, \uc778\uc131 \ubc0f \ud53c\ub85c \uc800\ud56d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\u5178\u578b 4340 \uc8fc\uc870 \uac15 \ud654\ud559 \uc131\ubd84<\/h3>\n<p>\uc800\ud76c\uc758Typical \ud654\ud559\uc801 \uad6c\uc131 \ubc94\uc704 <strong>AISI 4340 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> (wt%):<\/p>\n<ul>\n<li><strong>\ud0c4\uc18c(C):<\/strong> 0.35 \u2013 0.43<\/li>\n<li><strong>\ub9dd\uac04(Mn):<\/strong> 0.60 \u2013 0.90<\/li>\n<li><strong>\uc2e4\ub9ac\ucf58(Si):<\/strong> 0.15 \u2013 0.40<\/li>\n<li><strong>\ud06c\ub86c(Cr):<\/strong> 0.70 \u2013 0.95<\/li>\n<li><strong>\ub2c8\ucf08(Ni):<\/strong> 1.65 \u2013 2.00<\/li>\n<li><strong>\ubab0\ub9ac\ube0c\ub374(Mo):<\/strong> 0.20 \u2013 0.30<\/li>\n<li><strong>\uc778(P):<\/strong> \u2264 0.025<\/li>\n<li><strong>\ud669(S):<\/strong> \u2264 0.025<\/li>\n<\/ul>\n<p>\uc6b0\ub9ac\ub294 \ud654\ud559\uc744 \ubbf8\uc138 \uc870\uc815\ud569\ub2c8\ub2e4 <strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc8fc\uc870\ub97c \uc704\ud574<\/strong> \uacbd\ub3c4\ud654, \uc778\uc131, \uac00\uacf5\uc131\uc758 \uade0\ud615\uc744 \ub9de\ucd94\uae30 \uc704\ud574, \ud2b9\ud788 \ub450\uaebc\uc6b4 \ubd80\ubd84\uc5d0\uc11c.<\/p>\n<h3>4340 \uac15\uc8fc\uc870\ub97c \uc704\ud55c \uc8fc\uc694 \ud45c\uc900<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uc8fc\uc870\ub97c \ubd80\uc5b4 \uc778\uc99d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>4340 \uc0cc\ub4dc \uce90\uc2a4\ud305<\/strong> \uacfc <strong>4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uce90\uc2a4\ud305<\/strong> \uc744 \uc0ac\uc6a9\ud558\uc5ec:<\/p>\n<ul>\n<li><strong>ASTM A915 \ub4f1\uae09 SC4340<\/strong> \u2013 \uc8fc\uc870\ub41c Ni-Cr-Mo \ud569\uae08\uac15<\/li>\n<li><strong>AMS 6414 \/ AMS 6415<\/strong> \u2013 \ud56d\uacf5\uc6b0\uc8fc\uae09 4340 \ud654\ud559 \uc131\ubd84 \ubc0f \ud488\uc9c8 \uc694\uac74<\/li>\n<li><strong>MIL-S-22141<\/strong> \u2013 \ubc29\uc704\uae09 \ud569\uae08 \uc8fc\uc870\uc6a9 \uae30\uc874 \uaddc\uaca9 <strong>defense-grade alloy castings<\/strong><\/li>\n<\/ul>\n<p>\ud504\ub85c\uc138\uc2a4 \uc81c\uc5b4\ub97c \uae50\uae50\ud558\uac8c \uc694\uad6c\ud558\ub294 \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0, \uc6b0\ub9ac\ub294 \uc774 \ud45c\uc900\ub4e4\uc744 \uc6a9\ud574 \uacf5\uc815, \uc131\ud615 \ubc0f \uc5f4\ucc98\ub9ac \uc124\ube44\uc5d0 \ud1b5\ud569\ud569\ub2c8\ub2e4. \uc8fc\uc870 \uacf5\uc815\uc5d0 \ub300\ud55c \ub354 \uc790\uc138\ud55c \uc815\ubcf4\uac00 \ud544\uc694\ud560 \ub54c \ub2f9\uc0ac \ud300\uc740 \uc885\uc885 4340\uc744 \uc6b0\ub9ac\uc640 \ud568\uaed8 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <a href=\"https:\/\/haoyumaterial.com\/ko\/lost-wax-casting-foundry\/\">\uc0c1\uc2e4 \uc640\uc6b0 \uc8fc\uc870 \ub2a5\ub825<\/a> \ud56d\uacf5\uc6b0\uc8fc \ubc0f \uc815\ubc00 \uc791\uc5c5\uc6a9\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc870 \ub300 \ub2e8\uc870 4340 \ud654\ud559\uc131\ubd84<\/h3>\n<p><strong>\uce90\uc2a4\ud2b8 4340<\/strong> \ud56d\uc0c1 \ub3d9\uc77c\ud558\uc9c0\ub294 \uc54a\ub2e4 <strong>\uac00\uacf5\ub41c 4340 \ubc14 \ub610\ub294 \ub2e8\uc870\ud488<\/strong>:<\/p>\n<ul>\n<li>\uc8fc\uc870 \ub4f1\uae09\uc740 \ub2e4\uc74c\uacfc \uac19\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>\uc57d\uac04 \ub354 \ub192\uc740 \uc2e4\ub9ac\ucf58 \ubc0f \ub9dd\uac04<\/strong> \uc720\uc5f0\uc131\uacfc \uacf5\uae09 \ud6a8\uc728\uc131 \ud5a5\uc0c1\uc744 \uc704\ud574.<\/li>\n<li>\ub354 \uc5c4\uaca9\ud55c \uad00\ub9ac of <strong>P\uc640 S<\/strong> \ubb34\uac70\uc6b4 \ubd80\ubd84\uc5d0\uc11c \uac15\uc778\ud568\uc744 \uc720\uc9c0\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc6b0\ub9ac\ub294 \uc870\uc815\ud569\ub2c8\ub2e4 <strong>Ni, Cr, and Mo<\/strong> \uc2e4\uc81c \uc8fc\uc870 \ubcbd \ub450\uaed8\uc5d0 \ub9de\ucd98 \uacbd\ub3c4\ud654 \ubc94\uc704\uac00 \uc544\ub2cc, \uc791\uc740 \ubc14\uc5d0 \uad6d\ud55c\ub418\uc9c0 \uc54a\ub294 \uacbd\ub3c4\ud654\ub97c \ub9de\ucd94\uae30 \uc704\ud574 \uc124\uacc4\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc6b0\ub9ac\ub294 \uc124\uacc4\ud569\ub2c8\ub2e4 <strong>\uc8fc\uc870 \ud654\ud559\uc131\ubd84<\/strong> \ub2e8\uba74 \ud06c\uae30\uc640 \ud544\uc694\ud55c \uc5f4\ucc98\ub9ac \ud2b9\uc131\uc5d0 \ub9de\ucdb0, \ub530\ub77c\uc11c \ub2f9\uc2e0\uc758 <strong>\uc5f4\ucc98\ub9ac\ub41c 4340 \uac15\uc8fc\ubb3c<\/strong> \ud504\ub9ac\ubbf8\uc5c4 \uac00\uacf5 4340\uc5d0\uc11c \uae30\ub300\ud558\ub294 \ub3d9\uc77c\ud55c \uc131\ub2a5 \ucc3d\uc744 \ub354 \ud6a8\uc728\uc801\uc778 \uc8fc\uc870 \ube44\uc6a9\uc73c\ub85c \uc81c\uacf5.<\/p>\n<h2>4340 \uac15\uc8fc\ubb3c\uc758 \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n<p>4340 \uac15\uc8fc\ubb3c\uc740 \uace0\uac15\ub3c4\uc640 \uc2e0\ub8b0\uc131\uc5d0 \uad00\ud55c \ubaa8\ub4e0 \uac83\uc774\uc9c0\ub9cc, \ucd5c\uc885 \uc131\ub2a5\uc740 \uc5f4\ucc98\ub9ac\uc640 \ub2e8\uba74 \ud06c\uae30\uc5d0 \ud06c\uac8c \uc758\uc874\ud569\ub2c8\ub2e4. AISI 4340 \ud569\uae08 \uac15 \uc8fc\ubb3c\uc744 \uc124\uacc4\ud558\uace0 \uacf5\uae09\ud560 \ub54c\ub294 \uc778\uc99d\uc11c\uc758 \uc778\uc7a5\uac15\ub3c4\ubfd0 \uc544\ub2c8\ub77c \uc804\uccb4 \ud2b9\uc131 \ud504\ub85c\ud544\uc744 \ud56d\uc0c1 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc870 \uc0c1\ud0dc\uc758 4340 \uc8fc\ucca0 \ud2b9\uc131<\/h3>\n<p>\uc8fc\uc870 \uc0c1\ud0dc\uc5d0\uc11c 4340\uc740 \uac15\ud558\uc9c0\ub9cc \uc911\uc694\ud55c \uc11c\ube44\uc2a4\uc5d0 \ucd5c\uc801\ud654\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc804\ud615\uc801 \uc778\uc7a5\uac15\ub3c4:<\/strong> ~80\u2013110 ksi (550\u2013760 MPa)<\/li>\n<li><strong>\uc778\uc7a5 \uac15\ub3c4:<\/strong> ~50\u201375 ksi (345\u2013515 MPa)<\/li>\n<li><strong>\uc5f0\uae38\uc774\ub294:<\/strong> ~10\u201318%<\/li>\n<li><strong>\uacbd\ub3c4:<\/strong> ~180\u2013240 HB<\/li>\n<\/ul>\n<p>\uc8fc\uc870 4340 \uc8fc\ubb3c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud504\ub85c\ud1a0\ud0c0\uc785\uc774\ub098 \uc800\uc751\ub825 \ubd80\ud488\uc5d0\ub9cc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc548\uc804 \u043a\u0440\u0438\u0442\uc801\uc778 \ubaa8\ub4e0 \uacbd\uc6b0\uc5d0\ub294 \uc815\uaddc\ud654\ub418\uc5c8\uac70\ub098 \ub2f4\uae08\uc9c8\/\ud0c4\uc131\ucc98\ub9ac\ub41c 4340 \uc8fc\ubb3c\ub85c \uc804\ud658\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc815\uaddc\ud654\ub41c 4340 \uac15\uc8fc\ubb3c \uc18d\uc131<\/h3>\n<p>\uc815\uaddc\ud654\ub41c 4340 \uc8fc\uac15\uc740 \uac15\ub3c4, \uc5f0\uc131 \ubc0f \uac00\uacf5\uc131\uc758 \uade0\ud615\uc774 \uc798 \ub9de\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc778\uc7a5 \uac15\ub3c4<\/strong> ~110\u2013140 ksi (760\u2013965 MPa)<\/li>\n<li><strong>\uc778\uc7a5 \uac15\ub3c4:<\/strong> ~80\u2013110 ksi (550\u2013760 MPa)<\/li>\n<li><strong>\uc5f0\uae38\uc774\ub294:<\/strong> ~15\u201320%<\/li>\n<li><strong>\uacbd\ub3c4:<\/strong> ~200\u2013260 HB<\/li>\n<\/ul>\n<p>\uc774 \uc870\uac74\uc740 \uac00\uacf5 \uac00\ub2a5\ud55c \ud569\uae08\uac15 \uc8fc\ubb3c\uc774 \ud544\uc694\ud560 \ub54c \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4 <strong>\uac00\uacf5 \uac00\ub2a5\ud55c \ud569\uae08\uac15 \uc8fc\ubb3c<\/strong> \ucd5c\uc885 \ub9c8\uac10 \ub610\ub294 \ucd94\uac00 \uc5f4\ucc98\ub9ac \uc804\uc5d0\ub3c4 \uacac\uace0\ud55c \uae30\ucd08 \uac15\ub3c4\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ub41c 4340 \uc8fc\ubb3c<\/h3>\n<p>\uace0\uc2a4\ud2b8\ub808\uc2a4, \ud53c\ub85c \ud558\uc911 \ubd80\ud488\uc758 \uacbd\uc6b0, \uc77c\ubc18\uc801\uc73c\ub85c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ub41c 4340\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc911\uac15\ub3c4(HRC 28\u201335):<\/strong>\n<ul>\n<li>\uc778\uc7a5\uac15\ub3c4: \uc57d 140\u2013170 ksi (965\u20131170 MPa)<\/li>\n<li>\ud56d\ubcf5\uac15\ub3c4: \uc57d 120\u2013150 ksi (830\u20131030 MPa)<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uace0\uac15\ub3c4(HRC 38\u201345):<\/strong>\n<ul>\n<li>\uc778\uc7a5\uac15\ub3c4: \uc57d 180\u2013220 ksi (1240\u20131520 MPa)<\/li>\n<li>\ud56d\ubcf5\uac15\ub3c4: \uc57d 160\u2013190 ksi (1100\u20131310 MPa)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\uc774 \ubc94\uc704\uc758 \uc5f4\ucc98\ub9ac\ub41c 4340 \uac15 \uc8fc\ubb3c\uc740 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4 <strong>\uc911\uc7a5\ube44 \uae30\uc5b4 \uc8fc\ubb3c<\/strong>, \uc0e4\ud504\ud2b8 \ubc0f \uae30\ud0c0 <strong>\ud53c\ub85c \uc800\ud56d \uac15 \uc8fc\ubb3c<\/strong> \uc2e4\ud328\uac00 \uc120\ud0dd \uc0ac\ud56d\uc774 \uc544\ub2cc \uacf3\uc5d0\uc11c. \ud569\uae08 \uc124\uacc4\uac00 \uc131\ub2a5\uacfc \uc5b4\ub5bb\uac8c \uc5f0\uacb0\ub418\ub294\uc9c0\uc5d0 \ub300\ud55c \ub354 \ub113\uc740 \uc2dc\uac01\uc744 \uc6d0\ud55c\ub2e4\uba74, \uc81c \uc804\uccb4 ... <a href=\"https:\/\/haoyumaterial.com\/ko\/casting-alloy-guide-types-properties-applications-and-selection\/\">\uc8fc\uc870 \ud569\uae08 \uac00\uc774\ub4dc<\/a> \ub354 \uc790\uc138\ud788 \uc124\uba85\uc73c\ub85c \ub4e4\uc5b4\uac11\ub2c8\ub2e4.<\/p>\n<h3>\ucda9\uaca9 \uc778\uc131 \ubc0f \ucc28\ud53c(Charpy) \uc131\ub2a5<\/h3>\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc120\ud0dd\ud558\ub294 \uc8fc\uc694\ud55c \uc774\uc720 \uc911 \ud558\ub098 <strong>Ni-Cr-Mo \uac15\uc8fc\ubb3c<\/strong> 4340\uc774 \ud2b9\ud788 \uc784\ud329\ud2b8 \uc778\uc131\uc774 \uac15\ud574\uc11c<\/p>\n<ul>\n<li>\uc801\uc808\ud788 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ub41c 4340\uc740 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>\ub192\uc740 \ucc28\ud53c V\uc790\ud615 \ub178\uce58 \uac12<\/strong>, \uc2ec\uc9c0\uc5b4 \ub354 \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c\ub3c4.<\/li>\n<li>\uc911\uac04 \uac15\ub3c4 \uc218\uc900(HRC 30\u201335 \ubd80\uadfc)\uc5d0\uc11c \ud56d\uacf5\uc6b0\uc8fc\uc6a9 4340 \uc8fc\ubb3c \ubd80\ud488, \ubc29\uc704\uae09 \ud569\uae08 \uc8fc\ubb3c, \uc11d\uc720 \ubc0f \uac00\uc2a4 \ud569\uae08\uac15 \uc8fc\ubb3c\uc5d0 \ub300\ud574 \ub9e4\uc6b0 \uc6b0\uc218\ud55c \uc778\uc131\uc744 \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uacbd\ub3c4\ub97c \ub354 \ub192\uc77c\uc218\ub85d \ucc28\ud53c \ucda9\uaca9 \uc5d0\ub108\uc9c0\ub97c \ub354 \ub9ce\uc774 \uc783\uac8c \ub418\ubbc0\ub85c, \uc774\ub97c \uaddc\uaca9(ASTM, AMS, MIL, \ub610\ub294 OEM \ud45c\uc900)\uc5d0 \ub530\ub77c \uc870\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc139\uc158 \ud06c\uae30 \ubc0f \ub0c9\uac01 \uc18d\ub3c4 \uc601\ud5a5<\/h3>\n<p>4340\uc740 <strong>\uacbd\ub3c4\ud654 \ubbfc\uac10\uc131<\/strong>, \ub530\ub77c\uc11c \uae30\ud558\ud559\uc774 \uc911\uc694\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub450\uaebc\uc6b4 \ub2e8\uba74:<\/strong> \ub290\ub9b0 \ub0c9\uac01\uc740 \ucf54\uc5b4\uc758 \uacbd\ub3c4\uc640 \uac15\ub3c4 \uc800\ud558, \ub2e8\uba74\uc744 \ud1b5\ud574 \ub354 \ud070 \ud2b9\uc131 \uadf8\ub798\ub514\uc5b8\ud2b8\ub97c \ucd08\ub798\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc587\uc740 \ub2e8\uba74:<\/strong> \ub354 \ube60\ub978 \ub0c9\uac01\uc740 \ub354 \ub192\uc740 \uacbd\ub3c4\uc640 \ub354 \uace0\ub978 \ud2b9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubcf5\ud569 \ud615\uc0c1:<\/strong> \ubcbd \ub450\uaed8\uac00 \ub2ec\ub77c\uc9c0\uba74 \uc5f4\ucc98\ub9ac\uac00 \uc5c4\uaca9\ud788 \ud1b5\uc81c\ub418\uc9c0 \uc54a\uc73c\uba74 \ud63c\ud569 \ubbf8\uc138\uad6c\uc870\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>UNS G43400 \uc8fc\uc870 \ubd80\ud488 \uc124\uacc4 \uc2dc \ud544\uc694\ud55c \ub450\uaed8 \ub2e8\uba74, \uac8c\uc774\ud305, \uc5f4\ucc98\ub9ac \uc124\uc815\uc744 \uace0\ub824\ud558\uc5ec \ud544\uc694\ud55c \uac83\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4 <strong>4340 \uc8fc\uc870 \uac15\uc758 \uae30\uacc4\uc801 \ud2b9\uc131<\/strong> \uc77c\uad00\ub418\uac8c, \uc2dc\ud5d8 \uc0d8\ud50c\ubfd0\ub9cc\uc774 \uc544\ub2c8\ub77c.<\/p>\n<h2>4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uc8fc\uc870 \ub300 \uc0cc\ub4dc \uc8fc\uc870<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1155\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-300x225.jpg\" alt=\"\" width=\"452\" height=\"339\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-300x225.jpg 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-16x12.jpg 16w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting.jpg 347w\" sizes=\"auto, (max-width: 452px) 100vw, 452px\" \/><\/p>\n<h3>4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uc8fc\uc870\ub780 \ubb34\uc5c7\uc778\uac00?<\/h3>\n<p>4340 \uac15\uc8fc\uc870\uc5d0\uc11c, \uc815\ubc00\ub3c4\uc640 \uae54\ub054\ud55c \uae30\ud558\uac00 \ud544\uc694\ud560 \ub54c \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uc8fc\uc870\uac00 \uc81c \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>4340 \ub2e4\uc774\uce90\uc2a4\ud2b8 \uc8fc\uc870<\/strong> (\ub85c\uc2a4\ud2b8 \uc641\uc2a4) \uac00 \uc774\uc0c1\uc801\uc778 \uacbd\uc6b0:<\/p>\n<ul>\n<li>\uacf5\uc815 \ud5c8\uc6a9\uce58\uc640 \uc7ac\ud604\uc131\uc774 \uc5c4\uaca9\ud574\uc57c \ud560 \ub54c<\/li>\n<li>\uad6c\uba4d, \uc5b8\ub354\ucef7, \uc587\uc740 \ub9ac\ube0c\uac00 \uc788\ub294 \ubcf5\uc7a1\ud55c \ubd80\ud488\uc778 \uacbd\uc6b0<\/li>\n<li>\uac00\uacf5 \uc2dc\uac04\uacfc \uc2a4\ud06c\ub7a9\uc744 \uc904\uc774\uace0 \uc2f6\uc744 \ub54c<\/li>\n<\/ul>\n<p>\uc6b0\ub9ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud22c\uc790 \uc8fc\uc870\ub97c \ub2e4\uc74c \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4 <strong>\ud56d\uacf5 \uc6b0\uc8fc\uc6a9 4340 \uc8fc\uc870 \ubd80\ud488<\/strong>, \ubc29\uc704 \uad6c\uc131\ud488 \ubc0f \uc815\ubc00 \ud30c\uc6cc\ud2b8\ub808\uc778 \ubd80\ud488. \ub2f9\uc0ac\uc758 \uc815\ubc00 \uacf5\uc815\uc5d0 \ub300\ud55c \ub354 \uc790\uc138\ud55c \uc815\ubcf4\ub97c \uc6d0\ud558\uc2dc\uba74 \ub2f9\uc0ac\uc758 <a href=\"https:\/\/haoyumaterial.com\/ko\/services\/precision-casting\/\">\uc815\ubc00 \uc8fc\uc870 \uc11c\ube44\uc2a4<\/a>.<\/p>\n<h3>4340 \ud22c\uc790 \uc8fc\uc870\uc758 \uc774\uc810<\/h3>\n<p>\uc8fc\uc694 \uc774\uc810 <strong>\uc815\ubc00 4340 \ud569\uae08 \uc8fc\uc870<\/strong>:<\/p>\n<ul>\n<li><strong>\ud0c1\uc6d4\ud55c \ud45c\uba74 \ub9c8\uac10<\/strong>: \uc57d 125\u2013250 \u00b5in Ra<\/li>\n<li><strong>\uc587\uc740 \ubcbd<\/strong>: \uc77c\ubc18\uc801\uc73c\ub85c 0.08\u20130.12\uc778\uce58(2\u20133mm), \uc801\uc808\ud55c \uc124\uacc4\ub85c \ub354 \uc587\uc544\uc9c8 \uc218 \uc788\uc74c<\/li>\n<li><strong>\uacf5\ucc28\uac00 \ube61\ube61\ud558\uace0<\/strong>:\n<ul>\n<li>\u00b10.003\u20130.005\uc778\uce58\/\uc778\uce58(25mm\ub2f9 \u00b10.08\u20130.13mm) \uc77c\ubc18\uc801<\/li>\n<li>\ud06c\uac8c \uc801\ud569\ud55c <strong>\uac00\uacf5 \uac00\ub2a5\ud55c \ud569\uae08\uac15 \uc8fc\ubb3c<\/strong> \uc7ac\uace0 \uc5ec\uc720\ub97c \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\ub294 \uacf3<\/li>\n<\/ul>\n<\/li>\n<li><strong>\ub192\uc740 \uc7ac\ud604\uc131<\/strong> \uc911\ub300\ud615 \uc0dd\uc0b0\uc5d0\uc11c\uc758 \uc911\uace0\ub7c9\uae4c\uc9c0<\/li>\n<li>Ni-Cr-Mo \uac15 \uc8fc\uc870\uc5d0\uc11c \ubcf5\uc7a1\ud55c \uc138\ubd80 \ud615\uc0c1\uc5d0 \ub300\ud55c \ud6c4\uac00\uacf5 \uac10\uc18c<\/li>\n<\/ul>\n<hr \/>\n<h3>4340 \uc0cc\ub4dc \uce90\uc2a4\ud305\uc774\ub780?<\/h3>\n<p><strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong> \ud06c\uae30\uc640 \ube44\uc6a9 \ud6a8\uc728\uc131\uc774 \ucd08\uc815\ubc00 \uacf5\ucc28\ubcf4\ub2e4 \ub354 \uc911\uc694\ud560 \ub54c \ub354 \ub098\uc740 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n<p>\uac00\uc7a5 \uc801\ud569\ud55c \uc6a9\ub3c4:<\/p>\n<ul>\n<li>\ub300\ud615 <strong>\uac15\ub825\ud55c \uae30\uc5b4 \ub2e4\uc774\uce90\uc2a4\ud305 4340<\/strong>, \ud558\uc6b0\uc9d5 \ubc0f \uad6c\uc870 \ubd80\ud488<\/li>\n<li>\ubc38\ube0c \ubcf8\uccb4\uc640 \ud38c\ud504 \ud558\uc6b0\uc9d5 \uac19\uc740 \uc11d\uc720 \ubc0f \uac00\uc2a4 \ud569\uae08\uac15 \ub2e4\uc774\uce90\uc2a4\ud305<\/li>\n<li>\ub354 \uc791\uc740 \ubcfc\ub968\uc5d0\uc11c \ud070 \ubd80\ud488\uc758 \uc720\uc5f0\ud55c \ub3c4\uad6c \uc81c\uc791\uc774 \ud544\uc694\ud55c \uacbd\uc6b0<\/li>\n<\/ul>\n<p>\ubaa8\ub798 \uc8fc\uc870 \ub2a5\ub825\uacfc \ud569\uae08\uc5d0 \ub300\ud55c \ub354 \ub113\uc740 \uc2dc\uc57c\ub97c \uc6d0\ud558\uc2e0\ub2e4\uba74, \uc800\ud76c\uc758 \uba54\uc778 <a href=\"https:\/\/haoyumaterial.com\/ko\/casting-foundry\/\">\uc8fc\uc870 \ud30c\uc6b4\ub4dc\ub9ac \uac1c\uc694\ub97c \ucc38\uc870\ud558\uc2ed\uc2dc\uc624<\/a>.<\/p>\n<h3>4340 \uc0cc\ub4dc \ub2e4\uc774\uce90\uc2a4\ud305\uc758 \uc774\uc810<\/h3>\n<p>\uac15\ub3c4 <strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong>:<\/p>\n<ul>\n<li><strong>\ub354 \ud070 \uc0ac\uc774\uc988<\/strong> \uadf8\ub9ac\uace0 \ub450\uaebc\uc6b4 \ubd80\ubb38\uc758 \ubb38\uc81c \uc5c6\uc74c<\/li>\n<li><strong>\ub354 \ube44\uc6a9 \ud6a8\uc728\uc801<\/strong> \ub300\ud615 \ubd80\ud488\uc758 \ub3c4\uad6c \uc81c\uc791 \ub300 \ud22c\uc790 \uc8fc\uc870<\/li>\n<li><strong>\uc124\uacc4 \uc720\uc5f0\uc131<\/strong>- \uac8c\uc774\ud2b8 \uc815\ub958, \ub77c\uc774\uc800, \ucf54\uc5b4 \uc870\uc815\uc774 \uc27d\ub2e4<\/li>\n<li>\uc88b\uc740 \uc120\ud0dd <strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15 \ub2e4\uc8fc\uc870<\/strong> \uc804\ubd80 \uac00\uacf5\ub420 \uc608\uc815\uc778<\/li>\n<\/ul>\n<hr \/>\n<h3>\uc77c\ubc18 \ud06c\uae30, \uacf5\ucc28 \ubc0f \ubcbd \ub450\uaed8 \ud55c\uacc4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\uacf5\uc815<\/th>\n<th>\uc77c\ubc18 \uc911\ub7c9 \ubc94\uc704<\/th>\n<th>\uc77c\ubc18 \uacf5\ucc28*<\/th>\n<th>\ucd5c\uc18c \ubcbd \ub450\uaed8*<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>4340 \ud22c\uc790 \uc8fc\uc870<\/td>\n<td>~0.1 lb \u2013 150 lb (0.05\u201370 kg)<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00b10.003\u20130.005 in\/in (\ucd5c\uc18c ~\u00b10.004 in)<\/td>\n<td>~0.08\u20130.12 \uc778\uce58 (2\u20133 mm)<\/td>\n<\/tr>\n<tr>\n<td>4340 \uc0cc\ub4dc \uc8fc\uc870<\/td>\n<td>~5 lb \u2013 5,000+ lb (2\u20132,300 kg)<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00b10.03\u20130.06 in\/in, \ud06c\uae30\uc5d0 \ub530\ub77c \ub2e4\ub984<\/td>\n<td>~0.20\u20130.30 in (5\u20138 mm)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>*\uc2e4\uc81c \uc218\uce58\ub294 \ud615\uc0c1, \uae08\ud615 \uc720\ud615, \ud504\ub85c\uc81d\ud2b8 \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub530\ub77c \ub2e4\ub984.<\/p>\n<hr \/>\n<h3>\ub3c4\uc6c0\uc774 \ub418\ub294 \ubc29\ubc95: 4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \ub300 \uc0cc\ub4dc \uc8fc\uc870 \ube44\uad50<\/h3>\n<p>\ub2e4\uc74c\uc740 \ube60\ub978 \uac00\uc774\ub4dc\uc6a9\uc73c\ub85c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624 <strong>UNS G43400 \uc8fc\uc870 \ubd80\ud488<\/strong>:<\/p>\n<ul>\n<li><strong>\ub2e4\uc74c \ub54c \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uc8fc\uc870\ub97c \uc120\ud0dd:<\/strong>\n<ul>\n<li>\uc870\ubc00\ud55c \ud5c8\uc6a9\uc624\ucc28\uc640 \uba4b\uc9c4 \ud45c\uba74 \ub9c8\uac10\uc774 \ud544\uc694\ud560 \ub54c<\/li>\n<li>\ubd80\ud488\uc774 ~150 lb \uc774\ud558\uc774\uace0 \ube44\uad50\uc801 \ubcf5\uc7a1\ud560 \ub54c<\/li>\n<li>\uac00\uacf5 \uc608\ube44\uc7ac\ub97c \ucd5c\uc18c\ud654\ud558\uace0 \uc0ac\uc774\ud074 \ud0c0\uc784\uc744 \uc904\uc774\uace0 \uc2f6\uc744 \ub54c<\/li>\n<\/ul>\n<\/li>\n<li><strong>\ub2e4\uc74c \ub54c \uc0cc\ub4dc \uc8fc\uc870\ub97c \uc120\ud0dd:<\/strong>\n<ul>\n<li>\ubd80\ubd84\uc740 \ud06c\uac70\ub098 \ub9e4\uc6b0 \uac70\ub300\ud569\ub2c8\ub2e4<\/li>\n<li>\ud30c\uc6b4\ub4dc\ub2f9 \ube44\uc6a9\uc774 \uc911\uc694\ud569\ub2c8\ub2e4<\/li>\n<li>\u516c\u5dee\ub294 \ubcf4\ud1b5\uc774\uace0 \uc774\ubbf8 \ub300\ubd80\ubd84\uc758 \uba74\uc744 \uae30\uacc4\uac00 \uac00\uacf5\ud560 \uacc4\ud68d\uc785\ub2c8\ub2e4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>3D \ubaa8\ub378, \uc5f0\uac04 \ubcfc\ub968 \ubc0f \ubaa9\ud45c \uacf5\ucc28\ub97c \uacf5\uc720\ud558\uba74, \ube60\ub974\uac8c \ud655\uc778\ud574 \ub4dc\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4 <strong>4340 \ub2e4\uc774\uce90\uc2a4\ud2b8 \uc8fc\uc870<\/strong> or <strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong> \uac00 \uc131\ub2a5 \ubc0f \ube44\uc6a9 \ubaa9\ud45c\ub97c \ub354 \uc798 \ub2ec\uc131\ud560\uc9c0.<\/p>\n<h2>4340 \uac15\uc8fc\ucca0 \uc8fc\uc870\uc758 \uc5f4\ucc98\ub9ac \uc635\uc158<\/h2>\n<p>4340 \uac15 \uc8fc\uc870\ud488\uc758 \uacbd\uc6b0, \uc5f4\ucc98\ub9ac\ub294 \uc2e4\uc81c\ub85c \ud544\uc694\ud55c \uac15\ub3c4, \uc778\uc131 \ubc0f \uac00\uacf5\uc131\uacfc\ub97c \uc11c\ube44\uc2a4\uc5d0\uc11c \ud655\uc815\ud558\ub294 \ubd80\ubd84\uc785\ub2c8\ub2e4. \ubd80\ubd84 \ud06c\uae30, \ud558\uc911 \uc870\uac74 \ubc0f \uadc0\ud558\uc758 \uaddc\uaca9(ASTM, AMS, MIL, \ub610\ub294 \ub0b4\ubd80 \ud45c\uc900)\uc5d0 \ub530\ub77c \uac01 \uc5f4\ucc98\ub9ac \uacbd\ub85c\ub97c \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h3>4340 \uc8fc\uc870 \ubd80\ud488\uc758 \uc815\ub82c \ubc0f \uc2a4\ud2b8\ub808\uc2a4 \ud574\uc18c<\/h3>\n<p>\ub300\ubd80\ubd84\uc758 \uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc8fc\uc870\ubb3c\uc758 \uacbd\uc6b0, \uc815\uaddc\ud654 \ub610\ub294 \uc2a4\ud2b8\ub808\uc2a4 \ud574\uc18c \uc0ac\uc774\ud074\ub85c \uc2dc\uc791\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub178\uba40\ub77c\uc774\uc9d5<\/strong> (\uc77c\ubc18\uc801\uc73c\ub85c 1600\u20131700\u00b0F, \uacf5\uae30 \ub0c9\uac01) \ubbf8\uc138\uad6c\uc870\ub97c \ub2e4\ub4ec\uace0, \uc8fc\uc870 \uc804\uccb4\uc5d0 \uac78\uccd0 \ud2b9\uc131\uc744 \uade0\uc77c\ud558\uac8c \ud558\uba70, \ucd94\uac00 \uc5f4\ucc98\ub9ac\ub97c \uc704\ud55c \uad6c\uc870\ub97c \uc900\ube44\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2a4\ud2b8\ub808\uc2a4 \ud574\uc18c<\/strong> (\ubcf4\ud1b5 1050\u20131250\u00b0F) \uc794\ub958 \uc8fc\uc870 \ubc0f \uac00\uacf5 \uc2a4\ud2b8\ub808\uc2a4\ub97c \uc81c\uac70\ud558\uc5ec \uc11c\ube44\uc2a4 \uc911 \ubcc0\ud615 \ubc0f \uade0\uc5f4 \uc704\ud5d8\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub300\ud615 4340 \uc0cc\ub4dc\uce90\uc2a4\ud305 \ubc0f \uad6c\uc870\uc6a9 Ni-Cr-Mo \uac15 \uc8fc\uc870\ub97c \ucd5c\uc885 \uac00\uacf5 \uc804\uc758 \uc77c\ubc18 \uae30\ubcf8 \ucc98\uce58\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uac00\uacf5\uc131 \ubc0f \uc548\uc815\uc131\uc744 \uc704\ud55c \uc5b4\ub2d0\ub9c1<\/h3>\n<p>\uac00\uacf5\uc131 \ubc0f \uce58\uc218 \uc548\uc815\uc131\uc774 \ucd5c\ub300 \uac15\ub3c4\ubcf4\ub2e4 \ub354 \uc911\uc694\ud55c \uacbd\uc6b0, \uc6b0\ub9ac\ub294 <strong>\uc804\ub85c\uc815\ub828<\/strong> or <strong>\ud558\uc18c\ud654(\ud558\uc18c) \ud558\uc18c<\/strong>:<\/p>\n<ul>\n<li>\uc790\ub974\uae30\uac00 \uc27d\ub3c4\ub85d \ub354 \ubd80\ub4dc\ub7fd\uace0 \uade0\uc77c\ud55c \uad6c\uc870\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<li>\uac00\uacf5 \uc911 \ubc0f \uac00\uacf5 \ud6c4 \ubd80\ud488\uc758 \ub0b4\ubd80 \uc751\ub825\uc744 \uac10\uc18c\uc2dc\ucf1c \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uce68\ud0c4\ub41c 4340 \uc8fc\uc870\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c <strong>\ube0c\ub9ac\ub12c 170\u2013220 HB<\/strong> \ubc94\uc704\uc5d0 \uc18d\ud558\uba70, \uc774\ub294 \ubcf5\ud569 UNS G43400 \uc8fc\uc870 \ubd80\ud488\uc758 \ub7ec\ud504 \uac00\uacf5 \ubc0f \ub9c8\ubb34\ub9ac \uac00\uacf5\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h3>4340 \uc8fc\uc870\uc758 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1<\/h3>\n<p>4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uc8fc\uc870 \ub610\ub294 4340 \uc0cc\ub4dc \uc8fc\uc870\uc5d0\uc11c \uc804\ud615\uc801\uc778 \uace0\uac15\ub3c4 \uc131\ub2a5\uc744 \uc5bb\uae30 \uc704\ud574\uc11c\ub294 <strong>\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1(Q&amp;T)<\/strong>:<\/p>\n<ul>\n<li><strong>\uc5b4\uc2a4\ud14c\ub098\uc774\uc988<\/strong> (\uc57d 1525\u20131600\u00b0F \uc804\ud6c4), \uadf8\ub7f0 \ub2e4\uc74c <strong>\uc624\uc77c \ub610\ub294 \ud3f4\ub9ac\uba38 \ub2f4\uae08\uc9c8<\/strong> \ub192\uc740 \uacbd\ub3c4\uc640 \uc778\uc131\uc744 \uc704\ud574\uc11c.<\/li>\n<li><strong>\ud15c\ud37c<\/strong> \uac15\ub3c4\uc640 \uc5f0\uc131, \ud53c\ub85c \uc800\ud56d\uc758 \uade0\ud615\uc744 \ub9de\ucd94\uae30 \uc704\ud574 \uc120\ud0dd\ub41c \uc628\ub3c4\uc5d0\uc11c.<\/li>\n<\/ul>\n<p>\uac00\uc5f4 \ucc98\ub9ac\ub41c 4340 \uac15\uc8fc\uc870 \ubd80\ud488\uc758 \uc77c\ubc18 Q&amp;T \uac15\ub3c4 \uc218\uc900:<\/p>\n<ul>\n<li>~<strong>\ub85c\ud06c\uc6f0 C 28\u201332<\/strong>: \ub300\ud615 \ub2e8\uba74 \ubc0f \uc911\uc7a5\ube44 \uae30\uc5b4 \uc8fc\uc870\ud488\uc5d0 \ub300\ud55c \uc6b0\uc218\ud55c \uc778\uc131.<\/li>\n<li>~<strong>\ub85c\ud06c\uc6f0 C 32\u201338<\/strong>: \uc77c\ubc18 \uace0\uac15\ub3c4 \uc11c\ube44\uc2a4(\ucc28\ucd95, \ucd95, \uc11d\uc720 \uac00\uc2a4 \ud569\uae08 \uac15 \uc8fc\uc870\ud488).<\/li>\n<li>~<strong>\ub85c\ud06c\uc6f0 C 38\u201344<\/strong>: \ud56d\uacf5\uc6b0\uc8fc 4340 \uc5f4\ucc98\ub9ac \ubd80\ud488 \ubc0f \ubc29\uc704 \ub4f1\uae09 \ud569\uae08 \uc8fc\uc870\ud488\uc758 \uace0\uac15\ub3c4, \ub354 \ub192\uc740 \ud53c\ub85c \uc800\ud56d(\ub2e8\uba74 \ud06c\uae30\uac00 \ud5c8\uc6a9\ud558\ub294 \uacbd\uc6b0).<\/li>\n<\/ul>\n<h3>4340 \uc5f4\ucc98\ub9ac\uc758 \uc77c\ubc18 \uacbd\ub3c4 \ubc94\uc704<\/h3>\n<p>\ub2f4\ub2f9\ud558\ub294 \ub2f4\uae08- \ud480\ub9bc \ucc98\ub9ac\ub41c 4340 \uc8fc\uac15\uc758 \uc77c\ubc18\uc801\uc778 \uacbd\ub3c4 \uad6c\uac04:<\/p>\n<ul>\n<li><strong>\uc815\uaddc\ud654 + \ud480\ub9bc<\/strong>: \uc57d 190\u2013260 HB<\/li>\n<li><strong>\uc911\uac15\ub3c4 Q&amp;T<\/strong>: ~28\u201335 HRC<\/li>\n<li><strong>\uace0\uac15\ub3c4 Q&amp;T<\/strong>: ~35\u201344 HRC (\ub450\uaed8 \ubc0f \uaddc\uaca9\uc5d0 \ub530\ub77c \ub2e4\ub984)<\/li>\n<\/ul>\n<p>\uc6b0\ub9ac\ub294 \ud45c\uba74\uc5d0\uc11c \ucf54\uc5b4\uae4c\uc9c0 4340 \uc8fc\ucca0\uac15\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub2e8\uba74 \ud06c\uae30, \ub0c9\uac01 \uc18d\ub3c4 \ubc0f \uacbd\uc9c8\uc131\ub97c \ud56d\uc0c1 \uace0\ub824\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc5c5\uacc4 \ud45c\uc900\uc5d0 \ub530\ub978 \ub9de\ucda4 \uc5f4\ucc98\ub9ac<\/h3>\n<p>\uc6b0\ub9ac\ub294 \ub2e4\uc74c\uc5d0 \ub300\ud55c \ub9de\ucda4 \uc5f4\ucc98\ub9ac \ub808\uc2dc\ud53c\ub97c \uc815\uae30\uc801\uc73c\ub85c \uad6c\uc131\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>AMS 6414 \/ AMS 6415 \uc2a4\ud0c0\uc77c \uc694\uad6c\uc0ac\ud56d<\/strong> Ni-Cr-Mo \uac15 \uc8fc\ucca0\uc5d0 \ub300\ud574<\/li>\n<li><strong>ASTM A915 SC4340<\/strong> \ubc0f \uae30\ud0c0 \uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc8fc\ucca0 \uaddc\uaca9<\/li>\n<li>\uace0\uac1d \ud2b9\uc815 \ud56d\uacf5\uc6b0\uc8fc, \ubc29\uc704 \ubc0f \uc11d\uc720 \uc0b0\uc5c5 \ud45c\uc900<\/li>\n<\/ul>\n<p>\uc5f4\ucc98\ub9ac\ub294 \uae30\uacc4\uac00\uacf5 \ubc0f \ub9c8\uac10 \uc791\uc5c5 \ud750\ub984\uacfc \ud1b5\ud569\ub418\uba70, \ub0b4\ubd80\uc5d0\uc11c <strong>\ud45c\uba74 \ucc98\ub9ac \ubc0f \ucf54\ud305 \uc635\uc158\uacfc \uacb0\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/strong> \uc0f7\ube14\ub77c\uc2a4\ud305, \ub3c4\uae08 \ubc0f \ub3c4\uc7a5\uacfc \uac19\uc774 \uc124\uce58-ready 4340 \uc8fc\ucca0 \ubd80\ud488\uc744 \uc81c\uacf5\ud558\uae30 \uc704\ud574 <strong><a href=\"https:\/\/haoyumaterial.com\/ko\/services\/surface-treatment\/\">\ud45c\uba74 \ucc98\ub9ac \uc11c\ube44\uc2a4<\/a><\/strong>.<\/p>\n<h2>4340 \uc2a4\ud2f8 \uc8fc\uc870\uc758 \uc77c\ubc18\uc801 \uc751\uc6a9<\/h2>\n<p>4340 \uc2a4\ud2f8 \uc8fc\uc870\ub294 \ubd80\ud488\uc774 \uc2e4\ud328 \uc5c6\uc774 \ubb34\uac70\uc6b4 \ud558\uc911, \ucda9\uaca9 \ubc0f \ud53c\ub85c\ub97c \uacac\ub824\uc57c \ud560 \ub54c \ub0b4 \ubc29\uc2dd\uc73c\ub85c \uac00\uc7a5 \uba3c\uc800 \uc0dd\uac01\ub429\ub2c8\ub2e4. \ubbf8\uad6d \uc2dc\uc7a5\uc5d0\uc11c \ud2b9\ud788 \uac00\ub3d9 \uc2dc\uac04, \uc548\uc804\uc131 \ubc0f \uae34 \uc11c\ube44\uc2a4 \uc218\uba85\uc774 \uc911\uc694\ud55c \uacf3\uc5d0\uc11c \uc778\uae30\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud56d\uacf5\uc6b0\uc8fc\uc6a9 4340 \uc8fc\uc870 \ubd80\ud488<\/h3>\n<p>\ud56d\uacf5\uc6b0\uc8fc\uc6a9\uc73c\ub85c\ub294, <strong>AISI 4340 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> \uac15-\uc911\ub7c9\ube44\uac00 \uc911\uc694\ud55c \uacf3\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ucc29\ub959\uc7a5\uce58 \uc694\uc18c \ubc0f \uc9c0\uc9c0 \ube0c\ub798\ud0b7<\/li>\n<li>\uad6c\uc870\uc6a9 \ud53c\ud305 \ubc0f \uacbd\ucca9 \ubd80\ud488<\/li>\n<li>\uace0\ud558\uc911 \uc5f0\uacb0 \ubd80\ud488 \ubc0f \uc791\ub3d9 \ubd80\ud488<\/li>\n<\/ul>\n<p>\uac00\uc5f4 \uacbd\ud654 \ubc0f \ub2f4\uae08\uc9c8\ub41c 4340 \uc8fc\uc870\ub294 \ud56d\uacf5\uc6b0\uc8fc \uc5d4\uc9c0\ub2c8\uc5b4\uac00 \uc6d0\ud558\ub294 \ub192\uc740 \uac15\ub3c4\uc640 \ud53c\ub85c \uc800\ud56d\uc131\uc744 \uc81c\uacf5\ud558\uba74\uc11c\ub3c4 \uc5ec\uc804\ud788 \uc815\ubc00 \uacf5\ucc28\uc5d0 \ub9de\ucdb0 \uac00\uacf5\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ubc29\uc704 \ubc0f \uad70\uc6a9 4340 \uc8fc\uc870<\/h3>\n<p>\ubc29\ud638\uae09 <strong>Ni-Cr-Mo \uac15\uc8fc\ubb3c<\/strong> 4340\uc758 \uac15\uc778\uc131\uacfc \ucda9\uaca9 \uc800\ud56d\ub825 \ub355\ubd84\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc911\uc7a5\ube44 \uae30\uc5b4 \uc8fc\ubb3c \ubc0f \uae30\uc5b4 \ube14\ub7ad\ud06c<\/li>\n<li>\uc0e4\ud504\ud2b8, \ucee4\ud50c\ub9c1, \uad6c\ub3d9 \ubd80\ud488<\/li>\n<li>\ubb34\uae30 \uc2dc\uc2a4\ud15c \ubd80\ud488, \uc7a5\ucc29\ub300 \ubc0f \uc9c0\uc6d0 \ud558\ub4dc\uc6e8\uc5b4<\/li>\n<\/ul>\n<p>\ubc29\uc5b4 \uc791\uc5c5\uc758 \uacbd\uc6b0, 4340 \uc8fc\ubb3c\uc744 \uc5c4\uaca9\ud55c \uac80\uc0ac \ubc0f \uc778\uc99d\uacfc \uc720\uc0ac\ud558\uac8c <strong>AMS 6414 4340 \uac15\uc8fc\ucca0\uac15<\/strong> \ubc0f \uad00\ub828 \uaddc\uaca9\uacfc \ud568\uaed8 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<h3>\uc790\ub3d9\ucc28 \ubc0f \uc911\uc7a5\ube44 4340 \uc8fc\ubb3c \ubd80\ud488<\/h3>\n<p>\uace0\ud558\uc911 \uad6c\ub3d9\uacc4 \ubc0f \ud30c\uc6cc\ud2b8\ub808\uc778 \ubd80\ud488\uc758 \uacbd\uc6b0, <strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong> \ub2e4\uc774\uce90\uc2a4\ud305\uc774 \ub9ce\uc740 \uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ucd95 \ubc0f \ucc28\ub3d9 \ubd80\ud488<\/li>\n<li>\ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8 \ubc0f \ud30c\uc6cc \ud2b8\ub79c\uc2a4\ubbf8\uc158 \ubd80\ud488<\/li>\n<li>\ud5c8\ube0c, \uc694\ud06c, \uace0\uc751\ub825 \ube0c\ub798\ud0b7<\/li>\n<\/ul>\n<p>\ud45c\uc900 \ud0c4\uc18c\uac15\uc5d0 \ube44\ud574, <strong>\ub2f4\uae08\uc9c8 \ucc98\ub9ac\ub41c 4340 \ud569\uae08 \uc8fc manufactured \uc6d0\ud615<\/strong> \ud2b8\ub7ed, \uc624\ud504\ub85c\ub4dc \uc7a5\ube44 \ubc0f \uac74\uc124 \uae30\uacc4\uc5d0\uc11c \ud53c\ub85c \uc218\uba85 \uc5f0\uc7a5\uacfc \ucda9\uaca9 \ud558\uc911\uc5d0 \ub300\ud55c \uc800\ud56d\uc774 \ub354 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n<h3>Oil and Gas 4340 Cast Steel Applications<\/h3>\n<p>\uc11d\uc720 \ubc0f \uac00\uc2a4 \ubd84\uc57c\uc5d0\uc11c, <strong>\uc11d\uc720\uac00\uc2a4 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> 4340\uc5d0\uc11c \uc555\ub825, \ud1a0\ud06c \ubc0f \ucda9\uaca9\uc774 \uadf9\uc2ec\ud55c \uacf3\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uace0\uc555 \ubc38\ube0c \ubc0f \ubcf8\uccb4<\/li>\n<li>\ud38c\ud504 \ud558\uc6b0\uc9d5 \ubc0f \uc784\ud3a0\ub7ec<\/li>\n<li>\ub4dc\ub9b4\ub9c1 \ub3c4\uad6c, \uc11c\ube0c \ubc0f \ub3c4\uad6c \uacb0\ud569\ubd80<\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc11c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\ub41c 4340\uc740 \uac70\uce5c \ud604\uc7a5 \uc870\uac74\uc5d0 \ub300\ud574 \uc778\uc7a5 \uac15\ub3c4, \uc778\uc131 \ubc0f \ub9c8\ubaa8 \uc800\ud56d\uc758 \uac15\ub825\ud55c \uc870\ud569\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc77c\ubc18 \uc0b0\uc5c5\uc6a9 \uae30\uacc4 4340 \uc8fc\uc870 \ubd80\ud488<\/h3>\n<p>\uc0b0\uc5c5\uc6a9 \uc7a5\ube44 \uc804\ubc18\uc5d0\uc11c, <strong>\uac00\uacf5 \uac00\ub2a5\ud55c \ud569\uae08\uac15 \uc8fc\ubb3c<\/strong> 4340\uc740 \ub2e4\uc74c\uc5d0 \uc801\ud569\ud558\uac8c \uc791\ub3d9\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud504\ub808\uc2a4 \ubc0f \ubc00\ub9c1 \ubd80\ud488<\/li>\n<li>\uc911\uc7a5\ube44 \uacb0\ud569\ubd80 \ubc0f \ud50c\ub79c\uc9c0<\/li>\n<li>\uace0\uc751\ub825 \ub808\ubc84, \uc554 \ubc0f \ud558\uc6b0\uc9d5<\/li>\n<\/ul>\n<p>\ub610\ud55c \ud544\uc694\ud558\uc2e0 \uacbd\uc6b0 \ub9de\ubb3c\ub9bc \ubd80\ud488\uc774\ub098 \ud30c\uc774\ud504 \uc5f0\uacb0\ubd80\ub97c \ud568\uaed8 \uc81c\uacf5\ud569\ub2c8\ub2e4 <strong>\ub9de\ucda4 \ud569\uae08\uac15 \ud50c\ub79c\uc9c0<\/strong> \uc2dc\uc2a4\ud15c\uc758 \uac15\ub3c4\uc640 \uc131\ub2a5\uc744 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ud558\uae30 \uc704\ud574: <a href=\"https:\/\/haoyumaterial.com\/ko\/product\/custom-alloy-steel-flanges\/\">\ub9de\ucda4 \ud569\uae08\uac15 \ud50c\ub79c\uc9c0<\/a>.<\/p>\n<h3>4340 \uc8fc\uc870\uc640 4140 \ub610\ub294 \uae30\ud0c0 \ud569\uae08\uac15 \uc911 \uc120\ud0dd \uc2dc\uae30<\/h3>\n<p>\uc800\ub294 \ubcf4\ud1b5 \ub2e4\uc74c\uc744 \uad8c\ud569\ub2c8\ub2e4 <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong> \ub2e4\uc74c\uacfc \uac19\uc740 \uacbd\uc6b0 4140\uc774\ub098 \uc800\ud569\uae08 \ub4f1\uae09\ubcf4\ub2e4<\/p>\n<ul>\n<li>\ub2f9\uc2e0\uc740 \ud544\uc694\ud569\ub2c8\ub2e4 <strong>\ub354 \ub192\uc740 \uac15\ub3c4\uc640 \uc778\uc131\uc744 \uc6d0\ud560 \ub54c<\/strong> \ub3d9\uc77c \uc139\uc158 \ud06c\uae30\uc5d0\uc11c<\/li>\n<li>\ubd80\ud488\uc774 \ubcf4\ub294 <strong>\uc2ec\ud55c \ud53c\ub85c \ub610\ub294 \ucda9\uaca9<\/strong> (\uae30\uc5b4, \uc0e4\ud504\ud2b8, \ucc29\ub959\uc7a5\uce58, \uad6c\uba4d \ud558\ubd80 \ub3c4\uad6c)<\/li>\n<li>\ub2f9\uc2e0\uc740 \uc6d0\ud569\ub2c8\ub2e4 <strong>\ucd94\uac00 \uc548\uc804 \uc5ec\uc720<\/strong> \uc911\uc694\ud55c \uc11c\ube44\uc2a4\uc5d0\uc11c(\ubc29\uc704, \ud56d\uacf5\uc6b0\uc8fc, \uc11d\uc720\u00b7\uac00\uc2a4)<\/li>\n<\/ul>\n<p>4140\uc774\ub098 4130 \uc8fc\uc870\uac00 \ub354 \uc798 \ub9de\uc744 \uc218 \uc788\ub294 \uacbd\uc6b0<\/p>\n<ul>\n<li>\ud558\uc911\uc774 \ubcf4\ud1b5\uc774\uace0 \ube44\uc6a9\uc774 \uc6b0\uc120\uc778 \uacbd\uc6b0<\/li>\n<li>\ucd5c\uace0\uae09 \uac15\ub3c4\uae4c\uc9c0 \ud544\uc694\ud558\uc9c0 \uc54a\uc740 \uacbd\uc6b0 <strong>\ub2f4\uae08\uc9c8 \ubc0f \ub2e8\ub2e8\ud654\ub41c 4340 \uc8fc\uc870<\/strong><\/li>\n<li>\ubd80\uc2dd \ubc29\uc9c0 \ubcf4\ud638 \ub610\ub294 \ucf54\ud305\uc740 \uc5b4\uca0c\ub4e0 \uc0ac\uc6a9\ub420 \uac83\uc774\uba70 \uad81\uadf9 \uac15\ub3c4\ub294 \uc8fc\uc694 \uc694\uc778\uc774 \uc544\ub2d9\ub2c8\ub2e4<\/li>\n<\/ul>\n<p>\uc758\uc2ec\ub420 \ub54c\uc5d0\ub294 \uadc0\ud558\uc758 \ud558\uc911 \ucf00\uc774\uc2a4, \uc548\uc804 \uacc4\uc218 \ubc0f \ube44\uc6a9 \ubaa9\ud45c\ub97c \uc0b4\ud3b4\ubcf8 \ub2e4\uc74c \uc120\ud0dd\ud569\ub2c8\ub2e4 <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong> \uadf8\ub9ac\uace0 \uc2e4\uc81c \uc138\uacc4\uc758 \ud544\uc694\uc5d0 \ub9de\ucd94\uae30 \uc704\ud574 4140 \ub610\ub294 \uae30\ud0c0 \uace0\uac15\ub3c4 \uc800\ud569\uae08 \uac15\uc7ac \uc8fc\ubb3c\uacfc \uac19\uc740 \ub300\uc548\uc744 \ube44\uad50\ud569\ub2c8\ub2e4.<\/p>\n<h2>4340 \uac15\uc7ac \uc8fc\ubb3c \ud488\uc9c8 \ubcf4\uc99d<\/h2>\n<p>&nbsp;<\/p>\n<p>\uc6b0\ub9ac\uc758 4340 \uac15\uc7ac \uc8fc\ubb3c \uc0dd\uc0b0\uc5d0\uc11c \ud488\uc9c8 \uad00\ub9ac is \ube44\ud611\uc0c1\uc801\uc785\ub2c8\ub2e4. \uac01 \uc5f4\ucc98\ub9ac\uc640 \uac01 \uc8fc\ubb3c\uc744 \uc911\uc694\ud55c \ud56d\uacf5\uc6b0\uc8fc \ub610\ub294 \uc11d\uc720\uc790\uc6d0 \uc124\ube44\uc5d0 \ub4e4\uc5b4\uac00\ub294 \uac83\ucc98\ub7fc \ucde8\uae09\ud569\ub2c8\ub2e4.<\/p>\n<h3>4340 \uc8fc\ubb3c\uc5d0 \ub300\ud55c \ube44\ud30c\uad34 \uac80\uc0ac (UT, MT, RT, PT)<\/h3>\n<p>\ubd80\ud488\uc758 \uc0ac\uc591 \ubc0f \uc704\ud5d8 \uc218\uc900\uc5d0 \ub530\ub77c NDT\ub97c \uc801\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>UT(\ucd08\uc74c\ud30c \uac80\uc0ac)<\/strong> \u2013 \uc911\uc804\ub2e8\ubd80 \ubc0f \uc548\uc804\uc0c1 \uc911\uc694\ud55c 4340 \uc8fc\ubb3c\uc758 \ub0b4\ubd80 \uacb0\ud568 \ubc0f \uc74c\ud5a5\uc131.<\/li>\n<li><strong>MT (\uc790\uae30 \uc785\uc790 \uac80\uc0ac)<\/strong> \u2013 \uae30\uc5b4, \uc0e4\ud504\ud2b8 \ubc0f \uc911\ud615 4340 \ubd80\ud488\uc758 \ud45c\uba74 \ubc0f \ud45c\uba74 \uadfc\ucc98 \uade0\uc5f4 \ud0d0\uc9c0.<\/li>\n<li><strong>RT (\ubc29\uc0ac\uc120 \uac80\uc0ac)<\/strong> \u2013 \ubcf5\uc7a1\ud55c 4340 \uc8fc\ubb3c \ud22c\uc790 \uc8fc\uc870\uc5d0\uc11c \ud2b9\ud788 \ub0b4\ubd80 \ub2e4\uacf5\uc131, \uc218\ucd95 \ubc0f \ud3ec\ud568\ubb3c.<\/li>\n<li><strong>PT (\uc561 penetrant \uac80\uc0ac)<\/strong> \u2013 \uac00\uacf5 \ubc0f \ub9c8\uac10 \ud45c\uba74\uc758 \ubbf8\uc138\ud55c \ud45c\uba74 \uade0\uc5f4\uc5d0 \ub300\ud574.<\/li>\n<\/ul>\n<p>\uc6b0\ub9ac\ub294 \uc774\ub97c \ubb38\uc11c\ud654\ub41c \uc808\ucc28\uc640 \ubcf4\uc815\ub41c \uc7a5\ube44\ub85c \ub4b7\ubc1b\uce68\ud558\uba70, \ub0b4\ubd80 \uc778\ud558\uc6b0\uc2a4 \uc9c0\uc6d0 <a href=\"https:\/\/haoyumaterial.com\/ko\/technology\/testing-and-quality\/\">\ud14c\uc2a4\ud2b8 \ubc0f \ud488\uc9c8 \uad00\ub9ac \uc2dc\uc2a4\ud15c<\/a>.<\/p>\n<h3>\uce58\uc218 \uac80\uc0ac \ubc0f \uc8fc\uc870 \uacf5\ucc28 \uad00\ub9ac<\/h3>\n<p>4340 \uc815\ubc00 \uc8fc\uc870 \ubc0f 4340 \ubaa8\ub798 \uc8fc\uc870\ub97c \uc0ac\uc591 \ub0b4\uc5d0 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ub2f9\uc0ac\ub294 \ub2e4\uc74c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uace0\uc815\ubc00- \uace0\uac15\ub3c4 \ud569\uae08\uac15 \uc8fc\uc870\ubb3c\uc758 3D CMM \ubc0f \uac8c\uc774\uc9c0<\/li>\n<li>Casting \uacf5\uc815 \uc81c\uc5b4\ub97c \ud1b5\ud574 \uc548\uc815\uc131 \uc720\uc9c0 <strong>\uacf5\ucc28 \ubc0f \ub450\uaed8<\/strong><\/li>\n<li>\ud56d\uacf5 \uc6b0\uc8fc, \ubc29\uc704, \ub610\ub294 \uc790\ub3d9\ucc28 \uace0\uac1d\uc758 \ud544\uc694 \uc2dc PPAP\/FAI \uc2a4\ud0c0\uc77c \ubcf4\uace0\uc11c<\/li>\n<\/ul>\n<p>\uac00\uacf5 \uc2dc \ud3b8\ucc28\uac00 \uc5c6\ub3c4\ub85d \uc804\uccb4 \uce58\uc218 \ubcf4\uace0\uc11c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc5ed\ud559 \uc2dc\ud5d8 \ubc0f \uc778\uc99d<\/h3>\n<p>\ub2f4\uae08\uc9c8 \ubc0f \uc870\uac15 \ucc98\ub9ac\ub41c 4340 \uc8fc\uc870\ubb3c \ubc0f \uae30\ud0c0 \uc5f4\ucc98\ub9ac\ub41c 4340 \uac15\uc7ac \uc8fc\uc870\ubb3c\uc5d0 \ub300\ud574 \ub2e4\uc74c\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc778\uc7a5, \ud56d\ubcf5, \uc5f0\uc2e0\uc728 \ubc0f \ub2e8\uba74\uba74\uc801 \uac10\uc18c \uc2dc\ud5d8<\/li>\n<li>\uc8fc\uc870 \ub2e8\uba74 \uc804\ubc18\uc5d0 \uac78\uce5c \uacbd\ub3c4 \uac80\uc0ac<\/li>\n<li>\uc800\uc628 \ub610\ub294 \uace0\uc2a4\ud2b8\ub808\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \ud544\uc694\ud55c \uacbd\uc6b0 \ucda9\uaca9 \uc2dc\ud5d8(\uce74\ub974\ud53c \uc778\ucabd \uc808\ub2e8)<\/li>\n<li>\ubc00 \ud14c\uc2a4\ud2b8 \ub9ac\ud3ec\ud2b8(MTR) \ubaa9\ub85d <strong>4340 \uc8fc\uc870 \uac15\uc758 \uae30\uacc4\uc801 \ud2b9\uc131<\/strong>, \uc5f4\ucc98\ub9ac \uc0c1\ud0dc \ubc0f \uad00\ub828 \uaddc\uaca9( ASTM, AMS, MIL \ub4f1 )<\/li>\n<\/ul>\n<p>\ubaa8\ub4e0 \ub85c\ud2b8\uc5d0\ub294 \uc644\uc804\ud55c \uae30\uacc4\uc801 \uc778\uc99d\uc774 \ub3d9\ubd09\ub418\uc5b4 \uc788\uc5b4 QA \ud300\uc774 \uccab\ub0a0 \ud544\uc694\ud55c \uac83\uc744 \ud655\ubcf4\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc7ac\ub8cc \uc774\ub825 \ubc0f \uc5f4\ubc88\ud638 \uad00\ub9ac<\/h3>\n<p>\ubaa8\ub450 <strong>AISI 4340 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> \uc218\uc1a1:<\/p>\n<ul>\n<li><strong>\uac00\uc5f4 \ubc88\ud638\ub4e4<\/strong> \uc6a9\ud574 \ud654\ud559 \ubc0f \uacf5\uc815 \uae30\ub85d\uc5d0 \ub2e4\uc2dc \uc5f0\uacb0<\/li>\n<li>\uc6d0\uc790\uc7ac\uc5d0\uc11c \uc720\ub9ac\ud654, \uc0ac\ucd9c, \uc5f4\ucc98\ub9ac \ubc0f \ucd5c\uc885 \uac80\uc0ac\uc5d0 \uc774\ub974\ub294 \uc804\uccb4 \ucd94\uc801 \uac00\ub2a5\uc131<\/li>\n<li>\uac10\uc0ac \ubc0f \uc7a5\uae30 \ud504\ub85c\uadf8\ub7a8\uc744 \uc9c0\uc6d0\ud558\ub294 \ubcf4\uad00 \uae30\ub85d<\/li>\n<\/ul>\n<p>\uc774\uac83\uc740 \ud56d\uacf5\uc6b0\uc8fc 4340 \uc8fc\uc870 \ubd80\ud488, \ubc29\uc704\uae09 \ud569\uae08 \uc8fc\uc870, \uc11d\uc720 \ubc0f \uac00\uc2a4 \ud569\uae08\uac15 \uc8fc\uc870\uc5d0 \ub300\ud574 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<h3>ISO \uaddc\uaca9 \uc900\uc218 \ubc0f \uc0b0\uc5c5 \ud488\uc9c8 \uc2dc\uc2a4\ud15c<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uc2e4\ud589\ud569\ub2c8\ub2e4 <strong>ISO \uaddc\uaca9 \uc900\uc218 \ud488\uc9c8 \uad00\ub9ac<\/strong> with:<\/p>\n<ul>\n<li>\ubb38\uc11c\ud654\ub41c \uc808\ucc28 \ubc0f \uc815\uae30 \uac10\uc0ac<\/li>\n<li>Ni-Cr-Mo \uac15 \uc8fc\uc870 \ubc0f \uae30\ud0c0 \uace0\uac15\ub3c4 \uc800\ud569\uae08\uac15 \uc8fc\uc870\ub97c \uc704\ud55c \uad00\ub9ac \uacc4\ud68d<\/li>\n<li>\uace0\uac1d \ub9de\ucda4 \uc2dc\uc2a4\ud15c\uacfc\uc758 \uc815\ub82c \ub2a5\ub825(AS, IATF \uc2a4\ud0c0\uc77c \uc694\uad6c\uc0ac\ud56d \ub610\ub294 \ubc29\uc704\/\uad70 \ud488\uc9c8 \uad00\ub9ac \ud750\ub984)<\/li>\n<\/ul>\n<p>\uacb0\ub860\uc801\uc73c\ub85c, \uc608\uce21 \uac00\ub2a5\ud55c \uc131\ub2a5\uacfc \uc644\uc804\ud55c \ubb38\uc11c\ud654\ub97c \uac16\ucd98 4340 \ud569\uae08 \uc8fc\uc870 \ubd80\ud488\uc774 \ud544\uc694\ud558\ub2e4\uba74, \uc6b0\ub9ac\uc758 QA \uc2dc\uc2a4\ud15c\uc740 \ub0a8\ud55c \uc2dc\uc7a5\uc5d0\uc11c \uadc0\ud558\uc758 \ud504\ub85c\uadf8\ub7a8\uc744 \uc9c0\uc6d0\ud558\ub3c4\ub85d \uad6c\ucd95\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub9de\ucda4 4340 \uac15\uc8fc\uc870 \uc11c\ube44\uc2a4<\/h2>\n<p>\ub514\uc790\uc778 \uc9c0\uc6d0\ubd80\ud130 \uc644\uc81c\ud488, \uc124\uce58 \uc900\ube44\uac00 \uc644\ub8cc\ub41c \ubd80\ud488\uae4c\uc9c0 \uc9c4\uc815\ud55c \uc5d4\ub4dc-\ud22c-\uc5d4\ub4dc \uc11c\ube44\uc2a4\ub85c 4340 \uac15\uc8fc\uc870\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ub514\uc790\uc778 \ubc0f 4340 \uc7ac\uc9c8 \uc120\ud0dd \uc9c0\uc6d0<\/h3>\n<p>\ucd08\uae30\uc5d0 \uc62c\ubc14\ub978 4340 \uc8fc\uc870 \uc124\uacc4\uc640 \ud569\uae08 \uaddc\uaca9\uc744 \ud300\uc774 \ud655\uc815\ud558\ub3c4\ub85d \ub3c4\uc640\ub4dc\ub824 \ub4b7\ubc1b\uce68 \ubb38\uc81c\ub97c \ud53c\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uc8fc\uc870 \ubc0f 4340 \uc0cc\ub4dc \uc8fc\uc870\ub97c \uc704\ud55c DFM<\/li>\n<li>\uace0\uac15\ub3c4 \ud569\uae08 \uac15 \uc8fc\uc870\ub97c \uc704\ud55c \ub450\uaed8, \uac8c\uc774\ud305, \ub77c\uc774\uc800 \ubc0f \ub4dc\ub798\ud504\ud2b8 \uc870\uc5b8<\/li>\n<li>\ud558\uc911, \ud53c\ub85c \ubc0f \ube44\uc6a9\uc5d0 \ub530\ub77c 4340 \ub300 4140 \ubc0f \uae30\ud0c0 Ni-Cr-Mo \uac15\uc8fc\uc870 \uad8c\uace0<\/li>\n<\/ul>\n<p>\uc8fc\uc870 \ud488\ubaa9\uacfc \ud568\uaed8 \uac00\uacf5 \ubd80\ud488\ub3c4 \ud544\uc694\ud558\ub2e4\uba74, \uc800\ud76c\uc758 <a href=\"https:\/\/haoyumaterial.com\/ko\/products\/stainless-steel\/low-carbon-steel\/\">\uc800\ud0c4\uc18c \ubc0f \ud569\uae08 \uac15 \uac00\uacf5 \uc11c\ube44\uc2a4\uc640 \uaddc\uaca9\uc744 \ub9de\ucd9c \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/a> \uc77c\uad00\ub41c \uc131\ub2a5\uc744 \uc704\ud55c.<\/p>\n<h3>Rapid Prototyping and Samples<\/h3>\n<p>4340 \uc8fc\uc870 \ubd80\ud488\uc758 \ucd08\uae30 \uac80\uc99d\uc744 \uc704\ud574 \uc2e0\uc18d\ud558\uac8c \ud504\ub85c\ud1a0\ud0c0\uc785\uc744 \uc9c4\ud589\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>4340 \ud22c\uc790 \uc8fc\uc870\ub97c \uc704\ud55c 3D \ud504\ub9b0\ud2b8 \ud328\ud134\uacfc \uc18c\ud504\ud2b8 \uae08\ud615<\/li>\n<li>\uae30\ub2a5 \ud14c\uc2a4\ud2b8\ub97c \uc704\ud55c \uc9e7\uc740 \uc8fc\uae30\uc758 4340 \uc0cc\ub4dc \uce90\uc2a4\ud305<\/li>\n<li>\uac01 \uc0d8\ud50c \ub85c\ud2b8\ubcc4\ub85c \uc804\uccb4 \uce58\uc218 \ubc0f \uae30\uacc4\uc801 \ubcf4\uace0\uc11c<\/li>\n<\/ul>\n<h3>\ub0b4\ubd80 \uac00\uacf5 \ubc0f \uc5c4\uaca9\ud55c \uacf5\ucc28<\/h3>\n<p>\uc5ec\ub7ec \ubca4\ub354\ub97c \uc870\uc815\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \ud55c \uc6cc\ud06c\ud50c\ub85c\uc5d0\uc11c \uc8fc\uc870 \ubc0f \uae30\uacc4\ub97c \uac00\ub3d9\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc5c4\uaca9\ud55c \uacf5\ucc28\uc758 4340 \uc8fc\uc870 \ubd80\ud488\uc744 \uc704\ud55c CNC \uc120\uc0ad \ubc0f \ubc00\ub9c1<\/li>\n<li>\uc911\uc694 \ud45c\uba74, \ubcf4\uc5b4 \ubc0f \ub098\uc0ac\ub97c \uc5c4\uaca9\ud55c GD&amp;T \uc694\uac74\uc5d0 \ub9de\ucda4<\/li>\n<li>\ucd5c\uc885 \uc0ac\uc591\uc73c\ub85c \uae30\uacc4\uac00\uacf5\ub41c \uc5f4\ucc98\ub9ac\ub41c 4340 \uac15\uc8fc\uc870 \ubd80\ud488, \uc870\ub9bd \uc900\ube44 \uc644\ub8cc<\/li>\n<\/ul>\n<h3>4340\uc6a9 \ud45c\uba74 \ucc98\ub9ac \ubc0f \ucf54\ud305<\/h3>\n<p>4340 \ubcf4\ud638 \ubc0f \uc678\uad00 \uac1c\uc120\uc744 \uc704\ud574 \uc81c\uacf5\ud558\ub294 \uc11c\ube44\uc2a4:<\/p>\n<ul>\n<li>\uc0f7 \ube14\ub77c\uc2a4\ud305, \uadf8\ub9bf \ube14\ub77c\uc2a4\ud305 \ubc0f \uc81c\uac70<\/li>\n<li>\uc544\uc5f0\/\ub2c8\ucf08 \ub3c4\uae08, \uc778\uc0b0\uc5fc \ucc98\ub9ac \ubc0f \ub3c4\uc7a5 \uc2dc\uc2a4\ud15c<\/li>\n<li>\ucf54\ud305 \uaddc\uaca9 \ubc0f \uc791\ub3d9 \ud658\uacbd\uc5d0 \ub9de\ucd98 \ud45c\uba74 \uc900\ube44<\/li>\n<\/ul>\n<h3>\ud655\uc7a5 \uac00\ub2a5\ud55c \uc0dd\uc0b0 \ub2a5\ub825<\/h3>\n<p>\uc0c8\ub85c\uc6b4 \uc124\uacc4\ub97c \uac80\uc99d\ud558\ub4e0 \uc131\uc219\ud55c \ud504\ub85c\uadf8\ub7a8\uc5d0 \uacf5\uae09\ud558\ub4e0, \ub098\ub294 \ub2f9\uc2e0\uacfc \ud568\uaed8 \uaddc\ubaa8\ub97c \ub9de\ucda5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc800\uc6a9\ub7c9\uc758 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ube4c\ub4dc\uc640 \uc608\ube44 \ubd80\ud488<\/li>\n<li>\uc911\uc6a9\ub7c9\uc758 \uc0b0\uc5c5 \ubc0f \ubc29\uc704 \ud504\ub85c\uadf8\ub7a8 \uc0dd\uc0b0<\/li>\n<li>\uc77c\uad00\ub41c \ud488\uc9c8\uacfc \uc548\uc815\ub41c \uac00\uaca9\uc73c\ub85c \ubc18\ubcf5 \uac00\ub2a5\ud55c 4340 \ud22c\uc790 \uc8fc\uc870\uc758 \ub300\uc6a9\ub7c9<\/li>\n<\/ul>\n<p>\ubaa8\ub4e0 4340 \uac15\uc8fc\uc870 \ud504\ub85c\uc81d\ud2b8\ub294 \ub2e8\uc77c \uc5f0\ub77d \ucc3d\uad6c\ub97c \uac16\ucd94\uc5b4 \ubbf8\uad6d\uc758 \uc5d4\uc9c0\ub2c8\uc5b4, \uad6c\ub9e4\uc790, \ud504\ub85c\uadf8\ub7a8 \ub9e4\ub2c8\uc800\uac00 RFQ\uc5d0\uc11c \uc0dd\uc0b0\uc73c\ub85c \uba85\ud655\ud55c \uc758\uc0ac\uc18c\ud1b5\uacfc \uc608\uce21 \uac00\ub2a5\ud55c \ub9ac\ub4dc \ud0c0\uc784\uc73c\ub85c \uc774\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc65c \uc6b0\ub9ac 4340 \uac15\uc8fc\uc870 \ud30c\uc6b4\ub4dc\ub9ac\ub97c \uc120\ud0dd\ud569\ub2c8\uae4c<\/h2>\n<p>\uace0\uac15\ub3c4 \uace0\uac00\uce58 \ubd80\ud488\uc5d0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 4340 \uac15\uc8fc\uc870\uac00 \ud544\uc694\ud560 \ub54c, \uc6b0\ub9ac\ub294 \ub2e8\uc9c0 \uc791\uc5c5\uc18c\uac00 \uc544\ub2cc \uc9c4\uc815\ud55c \uc81c\uc870 \ud30c\ud2b8\ub108\ucc98\ub7fc \ud504\ub85c\uc138\uc2a4\ub97c \uc6b4\uc601\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uace0\uac15\ub3c4 Ni-Cr-Mo \uc8fc\ucca0 \uac15\uc7ac\uc5d0 \ub300\ud55c \ud48d\ubd80\ud55c \uacbd\ud5d8<\/h3>\n<p>\uc800\ud76c\ub294 \ucc98\uc74c\ubd80\ud130 <strong>AISI 4340 \ud569\uae08\uac15 \uc8fc\uc870<\/strong> \uadf8\ub9ac\uace0 \ub2e4\ub978 <strong>Ni-Cr-Mo \uac15\uc8fc\ubb3c<\/strong> \ub9e4\uc77c\ub9e4\uc77c \uc6b0\ub9ac\ub294 \uacb0\ud569\ub41c \uae30\uacc4\uc801 \ud2b9\uc131 \ucc3d\uacfc \uae4c\ub2e4\ub85c\uc6b4 \uaddc\uaca9(ASTM, AMS, MIL)\uc744 \ucda9\uc871\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\ud56d\uacf5\uc6b0\uc8fc, \ubc29\uc704, \uc11d\uc720 \uac00\uc2a4, \uc911\uc7a5\ube44 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c\uc758 \uc785\uc99d\ub41c \uc774\ub825<\/li>\n<li>\uc5c4\uaca9\ud55c \ubbf8\uad6d \uace0\uac1d\ub4e4\uc744 \uc704\ud55c \uc790\uaca9 \uc2dc\ud5d8, PPAP \ubc0f \uc804\uccb4 \ubb38\uc11c\ud654\uc5d0 \uce5c\uc219<\/li>\n<\/ul>\n<h3>\uace0\uae09 \uc6a9\uc735, \uc131\ud615 \ubc0f \uacf5\uc815 \uc81c\uc5b4<\/h3>\n<p>\uc6a9\uc735\uc5d0\uc11c \uc644\uc81c\ud488 \uc8fc\uc870\uae4c\uc9c0 \ucd18\ucd18\ud55c \uacf5\uc815 \uc81c\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uadc0\uc0ac\ub97c <strong>4340 \ub2e4\uc774\uce90\uc2a4\ud2b8 \uc8fc\uc870<\/strong> \uacfc <strong>4340 \uc0cc\ub4dc\uce90\uc2a4\ud2b8<\/strong> \uc77c\uad00\ub41c \ub85c\ud2b8 \ub85c\ud2b8 \uac04\uc758 \uc77c\uad00\uc131.<\/p>\n<ul>\n<li>UNS G43400 \/ 34CrNiMo6 \/ EN 1.6582\uc5d0 \ub300\ud55c \uc81c\uc5b4\ub41c \ud654\ud559 \uc131\ubd84<\/li>\n<li>\uc8fc\uc785 \uc628\ub3c4, \uc131\ud615, \ub77c\ub4c0\ub9c1, \uc5f4\ucc98\ub9ac\uc758 \uacf5\uc815 \uc81c\uc5b4<\/li>\n<li>\ub2e4\ub978 \uc8fc\uc694 \ud569\uae08\uc5d0 \ub300\ud55c \ud1b5\ud569 \uc9c0\uc6d0\ucc98\ub7fc <strong>\ub4c0\ud50c\ub809\uc2a4 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8<\/strong> \ud504\ub85c\uc81d\ud2b8\uc5d0 \ud63c\ud569 \uc7ac\ub8cc\uac00 \ud544\uc694\ud560 \ub54c<a href=\"https:\/\/haoyumaterial.com\/ko\/products\/stainless-steel\/duplex-stainless-steel\/\">\ub4c0\ud50c\ub809\uc2a4 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc194\ub8e8\uc158\uc2a4<\/a>)<\/li>\n<\/ul>\n<h3>\uacbd\uc7c1\ub825 \uc788\ub294 \uac00\uaca9 \ucc45\uc815 \ubc0f \ucd5c\uc801\ud654\ub41c \uc218\uc775\ub960<\/h3>\n<p>\uc6b0\ub9ac\ub294 4340 \uac15 \uc8fc\uc870\ub97c \uc704\ud574 \uc124\uacc4\ud569\ub2c8\ub2e4 <strong>\ucd5c\ub300 \uc218\uc728 \ubc0f \ucd5c\uc18c \ud3d0\uae30\ubb3c<\/strong> \ub354 \ub098\uc740 \uac00\uaca9\uc744 \uc5bb\ub418 \uc808\uc57d\ud558\uc9c0 \ub9c8\uc138\uc694.<\/p>\n<ul>\n<li>\uc2a4\ud06c\ub7a9 \uac10\uc18c\ub97c \uc704\ud55c \uac8c\uc774\ud305 \ubc0f \ub77c\uc774\uc800 \uc124\uacc4 \ucd5c\uc801\ud654<\/li>\n<li>\uc800\ube44\uc6a9 \ub3c4\uad6c \uc804\ub7b5\uc740 \uc800\uc18d \ubc0f \uace0\uc18d \uc0dd\uc0b0 \ubaa8\ub450\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li>\uac00\uacf5 \ubc0f \ub9c8\uac10 \uc791\uc5c5\uc744 \ud3ec\ud568\ud55c \ucd1d \ubd80\ud488 \ube44\uc6a9\uc5d0 \uc9d1\uc911\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<h3>\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub0a9\uae30 \uc77c\uc815 \ubc0f \ubb3c\ub958 \uc9c0\uc6d0<\/h3>\n<p>\uc6b0\ub9ac\ub294 \ubbf8\uad6d\uc758 \uc0dd\uc0b0 \uc77c\uc815\uacfc \uac00\ub3d9 \uc911\ub2e8 \ube44\uc6a9\uc744 \uc774\ud574\ud558\ubbc0\ub85c \uc2dc\uc2a4\ud15c\uc744 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ub0a9\ud488\uc744 \uc911\uc2ec\uc73c\ub85c \uad6c\ucd95\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uc591\uce21 \ubaa8\ub450\uc5d0 \ub300\ud55c \uba85\ud655\ud55c \ub9ac\ub4dc\ud0c0\uc784 \ucc3d <strong>4340 \uc778\ubca0\uc2a4\ud2b8\uba3c\ud2b8 \uce90\uc2a4\ud305<\/strong> \uadf8\ub9ac\uace0 \ub354 \ud070 \ubaa8\ub798 \uc8fc\uc870\ubb3c<\/li>\n<li>\uc720\uc5f0\ud55c \uc6b4\uc1a1 \uc635\uc158, \uc7ac\uace0 \uc804\ub7b5 \ubc0f \uae00\ub85c\ubc8c \ub0a9\ud488<\/li>\n<li>\ube14\ub7ad\ud0b7 \uc8fc\ubb38 \ubc0f \uc608\uc815\ub41c \ucd9c\uc2dc \uc9c0\uc6d0<\/li>\n<\/ul>\n<h3>\ud300\uc744 \uc704\ud55c \uc2e4\uc6a9\uc801 \uc9c0\uc6d0<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uc5d4\uc9c0\ub2c8\uc5b4, \ubc14\uc774\uc5b4, \ud504\ub85c\uc81d\ud2b8 \ub9e4\ub2c8\uc800\uc640 \uc9c1\uc811 \ud611\ub825\ud558\uc5ec 4340 \uac15 \uc8fc\uc870\ub97c \uac04\ub2e8\ud558\uac8c \ub9cc\ub4ed\ub2c8\ub2e4.<\/p>\n<ul>\n<li>\uac00\uacf5 \uac10\uc18c \ubc0f \uc911\ub7c9 \uac10\uc18c\ub97c \uc704\ud55c \uc8fc\uc870 \uc124\uacc4 \ud53c\ub4dc\ubc31<\/li>\n<li>RFQ \uc751\ub2f5 \uc2e0\uc18d, \uc124\uacc4 \ubcc0\uacbd \ubc0f \ud488\uc9c8 \ubb38\uc758\uc5d0 \ub300\ud55c \ube60\ub978 \ub300\uc751<\/li>\n<li>\uacac\uc801\uc5d0\uc11c \uc0dd\uc0b0\uae4c\uc9c0 \ud568\uaed8\ud558\ub294 \uc804\ub2f4 \ud504\ub85c\uc81d\ud2b8 \ucc45\uc784\uc790<\/li>\n<\/ul>\n<p>\ub2f9\uc2e0\uc774 \ucc3e\uace0 \uc788\ub294 \uacbd\uc6b0\uc5d0 <strong>\ub9de\ucda4 4340 \uac15 \uc8fc\uc870 \uacf5\uae09\uc5c5\uccb4<\/strong> \uace0\uac15\ub3c4 \ud569\uae08 \uc8fc\uc870\uc640 \ubbf8\uad6d \uc81c\uc870 \uae30\ub300\ub97c \uc774\ud574\ud558\ub294 \uac00\uc6b4\ub370, \uc815\ud655\ud788 \uadf8 \ud544\uc694\uc5d0 \ub9de\ucdb0 \uc8fc\uc870 \uacf5\uc7a5\uc744 \uad6c\ucd95\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>4340 \uc2a4\ud2f8 \uc8fc\uc870 FAQ<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1154\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-300x294.png\" alt=\"\" width=\"597\" height=\"585\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-300x294.png 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-12x12.png 12w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting-600x588.png 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2025\/12\/4340-steel-casting.png 639w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/p>\n<h3>4340 \uc8fc\uc870 \ubd80\ud488\uc758 \ucd5c\uc18c \uc8fc\ubb38 \uc218\ub7c9\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\ub300\ubd80\ubd84\uc758 4340 \uac15\uc7ac \uc8fc\uc870 \ud504\ub85c\uc81d\ud2b8\uc5d0 \ub300\ud574 \uc81c\uac00 \uc9c0\uc6d0\ud560 \uc218 \uc788\ub294 \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud504\ub85c\ud1a0\ud0c0\uc785 \/ \uc2dc\ud5d8:<\/strong> \ucd5c\uc800\ub85c <strong>5\u201310 \uac1c<\/strong> (\ud22c\uc790\uc8fc\uc870)<\/li>\n<li><strong>\uc815\uaddc \uc0dd\uc0b0:<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c <strong>50\u2013100\uac1c<\/strong> \ud06c\uae30\uc640 \ubcf5\uc7a1\uc131\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ub294 \ucd5c\uc18c\ud55c\uc758 \uc218\ub7c9<\/li>\n<\/ul>\n<p>\ub300\ud615 \uc0cc\ub4dc \uce90\uc2a4\ud305 4340 \ubd80\ud488\uc758 MOQs\ub294 \uc77c\ubc18\uc801\uc73c\ub85c <strong>\uae08\ud615 \ubc0f \uc124\uce58 \ube44\uc6a9<\/strong>, \uace0\uc815\ub41c \uc22b\uc790\uac00 \uc544\ub2c8\ub77c \uac74\ubcc4\ub85c \uacac\uc801\uc744 \uc81c\uc2dc\ud558\ubbc0\ub85c \ucf00\uc774\uc2a4\ubcc4\ub85c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n<h3>4340 \ud22c\uc790 \ubc0f \uc0cc\ub4dc \uc8fc\uc870\uc758 \uc77c\ubc18\uc801\uc778 \ub9ac\ub4dc\ud0c0\uc784\uc740 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/h3>\n<p>\ub9ac\ub4dc\ud0c0\uc784\uc740 \uae08\ud615 \uc81c\uc791, \ubcf5\uc7a1\uc131, \ud544\uc694\ud55c \ud14c\uc2a4\ud2b8\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uc9c0\ub9cc, \uc77c\ubc18 \uae30\uc900\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud22c\uc790 \uc8fc\uc870 4340:<\/strong> \ub300\ub7b5 <strong>4\u20136\uc8fc<\/strong> \ub3c4\uad6c \uc2b9\uc778 \ud6c4<\/li>\n<li><strong>\uc0cc\ub4dc \uc8fc\uc870 4340:<\/strong> \ub300\ub7b5 <strong>5\u20138\uc8fc<\/strong>, \ud2b9\ud788 \ub300\ud615 \ub610\ub294 \ub450\uaebc\uc6b4 \ubcbd \ub450\uaed8 \ubd80\ud488\uc758 \uacbd\uc6b0<\/li>\n<li>\ucd94\uac00 <strong>1\u20132\uc8fc<\/strong> \uc804\uccb4 \uae30\uacc4\uac00\uacf5, NDT \ubc0f \uc778\uc99d\uc774 \ud544\uc694\ud55c \uacbd\uc6b0<\/li>\n<\/ul>\n<p>\uc0ac\uc591 \ubc0f \uc2b9\uc778\uc744 \uc2e0\uc18d\ud558\uac8c \uace0\uc815\ud558\uba74 \ub7ec\uc2dc \ud504\ub85c\uadf8\ub7a8\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n<h3>4340 \uc8fc\ucca0\uac15\uc758 \ubd80\uc2dd \uc800\ud56d\uc740 \uc5bc\ub9c8\ub098 \uc88b\uace0, \ucf54\ud305\uc774 \ud544\uc694\ud55c \uc2dc\uc810\uc740 \uc5b8\uc81c\uc778\uac00?<\/h3>\n<p>4340 \uc8fc\ucca0\uac15\uc740 <strong>\uace0\uac15\ub3c4 Ni-Cr-Mo \ud569\uae08<\/strong>, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uadf8\uac83\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc591\ud638\ud55c \ubd80\uc2dd \uc800\ud56d<\/strong> \uac74\uc870\ud558\uace0 \uc2e4\ub0b4\uc5d0\uc11c \uc724\ud65c\ub41c \uc11c\ube44\uc2a4\uc5d0\uc11c<\/li>\n<li><strong>\uc800\ud558\ub41c \uc800\ud56d<\/strong> \ud574\uc591, \uc5fc\uc218 \ubd84\ubb34 \ub610\ub294 \ud654\ud559\uc801 \ud658\uacbd\uc5d0\uc11c<\/li>\n<\/ul>\n<p>\ub300\ubd80\ubd84\uc758 \uad6d\ub0b4 \uc0b0\uc5c5 \ubc0f \uc11d\uc720 \uac00\uc2a4 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc81c\uac00 \uad8c\uc7a5\ud558\ub294 \uc0ac\ud56d:<\/p>\n<ul>\n<li><strong>\uc544\uc5f0 \ub3c4\uae08 \ub610\ub294 \ub2c8\ucf08 \ub3c4\uae08<\/strong>, <strong>\uc778\uc0b0\uc5fc<\/strong>, \ub610\ub294 <strong>\ub3c4\uc7a5<\/strong> \uc2e4\uc678 \uc0ac\uc6a9\uc6a9<\/li>\n<li><strong>\ud558\ub4dc \ud06c\ub86c<\/strong> \uc0e4\ud504\ud2b8, \ud540 \ubc0f \uae30\uc5b4\uc758 \ub9c8\ubaa8 + \ubd80\uc2dd \ubc29\uc9c0\uc5d0 \uc801\ud569\ud55c \uc720\uc0ac \ucf54\ud305<br \/>\n\ub3c4\uae08 \ub300\uc2e0 \ub0b4\uc2dd\uc131\uc744 \ub0b4\uc7ac\ud654\ud558\uace0\uc790 \ud55c\ub2e4\uba74 \ubcf4\ud1b5 \uc2a4\ud14c\uc778\ub9ac\uc2a4\ub098 <a href=\"https:\/\/haoyumaterial.com\/ko\/8620-steel\/\">8620\uac15\uacfc \uac19\uc740 \ub2e4\ub978 \ud569\uae08 \uc635\uc158\uc73c\ub85c \uc120\ud0dd\uc774 \ubc14\ub01d\ub2c8\ub2e4<\/a> \uc801\uc6a9 \ub300\uc0c1\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>4340 \uc8fc\uc870\uc640 \ub2e8\uc870 4340 \u2013 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00?<\/h3>\n<p><strong>\uc131\ub2a5:<\/strong><\/p>\n<ul>\n<li><strong>\ub2e8\uc870 4340:<\/strong>\n<ul>\n<li>\ub354 \uc88b\uace0 <strong>\uc9c0\ud5a5\uc131 \ud2b9\uc131<\/strong> \uadf8\ub9ac\uace0 \uc57d\uac04 \ub354 \ub192\uc740 \ud53c\ub85c \uac15\ub3c4<\/li>\n<li>\ucd08\uace0\uc2e0\ub8b0\uc131 \ud56d\uacf5\uc6b0\uc8fc \ub610\ub294 \ubc29\uc704 \ud558\uc911\uc5d0 \uc120\ud638\ub429\ub2c8\ub2e4<\/li>\n<\/ul>\n<\/li>\n<li><strong>4340 \uac15\ucca0 \ub2e4\uc8fc\uc870\ubb3c<\/strong>\n<ul>\n<li>\uc6b0\uc218\ud55c \uae30\uacc4\uc801 \ud2b9\uc131\uc740 when <strong>\ub0c9\uac01 \ubc0f \ud15c\ud37c\ub9c1\ub41c<\/strong><\/li>\n<li>\uc774\uc0c1\uc801 <strong>\ubcf5\uc7a1\ud55c \ub3c4\ud615\ub4e4<\/strong> \uadf8\uac83\uc740 \ube44\uc2f8\uac70\ub098 \uc704\uc870\uac00 \ubd88\uac00\ub2a5\ud560 \uc815\ub3c4\ub85c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\ube44\uc6a9:<\/strong><\/p>\n<ul>\n<li><strong>\uc8fc\uc870\ubb3c<\/strong> \ud544\uc694\ud560 \ub54c \uc774\uae30\ub2e4 <strong>\ubcf5\uc7a1\ud55c \uae30\ud558\ud559<\/strong>, \uc808\uc0ad \uac00\uacf5 \uc2dc\uac04\uacfc \uc7ac\ub8cc \ub0ad\ube44\ub97c \uc904\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e8\uc870\ud488<\/strong> \ube44\uc6a9 \ud6a8\uc728\uc801\uc774\ub2e4 <strong>\ub2e8\uc21c\ud558\uace0 \uace0\ubd80\ud558\uc778 \ud615\ud0dc\ub4e4<\/strong> \uc9c1\uc120 \uc0e4\ud504\ud2b8\ub098 \uae30\ubcf8 \ub9c1\ucc98\ub7fc.<\/li>\n<\/ul>\n<h3>4340 \uac15\uc7ac \uc8fc\uc870 \uacf5\uc815\uc5d0\uc11c \uc5b4\ub5a4 \ud5c8\uc6a9 \uc624\ucc28\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\ub098\uc694?<\/h3>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \ub2ec\uc131 \uac00\ub2a5\ud55c \uacf5\ucc28\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>4340 \uc8fc\uc870<\/strong>\n<ul>\n<li>\uc120\ud615: \uc57d <strong>\u00b10.003\u20130.005 in\/in<\/strong> (\uc18c\ud615 \ud615\uc0c1\uc758 \ucd5c\uc18c \u00b10.003\u20130.005 \uc778\uce58)<\/li>\n<li>\ub9e4\uc6b0 \uc6b0\uc218\ud55c <strong>\uc815\ubc00 4340 \ud569\uae08 \uc8fc\uc870<\/strong> \ubc0f \uac00\uacf5 \ub9c8\ubb34\ub9ac \ud45c\uba74<\/li>\n<\/ul>\n<\/li>\n<li><strong>4340 \ubaa8\ub798\uc8fc\uc870:<\/strong>\n<ul>\n<li>\uc120\ud615: \uc57d <strong>\u00b10.03\u20130.06 \uc778\uce58\/\uc778<\/strong>, \ud06c\uae30\uc5d0 \ub530\ub77c \ub2e4\ub984<\/li>\n<li>\uc801\ud569\ud55c \uc6a9\ub3c4 <strong>\ub300\ud615\uc758 \uc911\ud558\uc911 \ubd80\ud488\ub4e4<\/strong> \uadf8 \uc548\uc5d0\uc11c \uc8fc\uc694 \ud45c\uba74\uc744 \uac00\uacf5\ud558\uac8c \ub420<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\ud611\uc18c \uacf5\ucc28\uc758 4340 \uac15\uc8fc\uc870\uc758 \uacbd\uc6b0, \uc77c\ubc18\uc801\uc73c\ub85c \uacb0\ud569\ud569\ub2c8\ub2e4 <strong>\uadfc\ub2e8\uc790 \uc8fc\uc870<\/strong> \uc640 \ud568\uaed8 <strong>\uc815\ubc00 \uac00\uacf5<\/strong> \ucd5c\uc885 \ub3c4\uba74\uc5d0 \ub9de\ucd94\uae30.<\/p>\n<h2>\uad00\ub828 \ud569\uae08\uac15 \uc8fc\uc870 \uc635\uc158<\/h2>\n<h3>4140 \ubc0f 4130 \uac15\ucca0 \uc8fc\ubb3c \ub300 4340 \uac15\ucca0 \uc8fc\ubb3c<\/h3>\n<p>4340 \uac15\ucca0 \uc8fc\ubb3c\uc758 \uc804\uccb4 \uac15\ub3c4\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc744 \ub54c, 4140 \ubc0f 4130 \uc8fc\ubb3c\uc740 \uc131\ub2a5\uc744 \ud76c\uc0dd\ud558\uc9c0 \uc54a\uc73c\uba74\uc11c \ube44\uc6a9\uc744 \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>4340 \uac15\ucca0 \uc8fc\ubb3c (AISI 4340 \/ UNS G43400)<\/strong><\/p>\n<ul>\n<li>\uc774 \uacc4\uc5f4\uc5d0\uc11c \ucd5c\uace0\uc758 \uac15\ub3c4\uc640 \uc778\uc131<\/li>\n<li>\ud53c\ub85c \uc800\ud56d\ub825\uc774 \ub354 \uc88b\uc74c <strong>\uc911\uc7a5\ube44 \uae30\uc5b4 \uc8fc\ubb3c<\/strong>, \uc0e4\ud504\ud2b8 \ubc0f \ud56d\uacf5\uc6b0\uc8fc\/\ubc29\uc0b0 \ubd80\ud488\uc5d0<\/li>\n<li>\uc774\uc0c1\uc801 <strong>\ub2f4\uae08\uc9c8 \ubc0f \ub2e8\ub2e8\ud654\ub41c 4340 \uc8fc\uc870<\/strong> \uc2e0\ub8b0\uc131\uc774 \uc784\ubb34\uc5d0 \uacb0\uc815\uc801\uc778 \uacf3<\/li>\n<\/ul>\n<p><strong>4140 \uac15\ucca0 \uc8fc\ubb3c<\/strong><\/p>\n<ul>\n<li>\ub2c8\ucf08 \ud568\ub7c9\uc774 \uc801\uace0 4340\ubcf4\ub2e4 \ube44\uc6a9 \ud6a8\uc728\uc801<\/li>\n<li>\uac15\ub3c4, \uc778\uc131, \uae30 machinability\uc758 \uade0\ud615\uc774 \uc798 \uc7a1\ud798<\/li>\n<li>\uc77c\ubc18\uc801\uc778 \uc120\ud0dd\uc73c\ub85c \uacac\uace0\ud55c <strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15 \ub2e4\uc8fc\uc870<\/strong> \ube0c\ub798\ud0b7, \ud558\uc6b0\uc9d5, \uc911\uc804 \uc7ac\ub8cc \uae30\uc5b4 \ub4f1\uc5d0 \uc801\ud569<\/li>\n<\/ul>\n<p><strong>4130 \uac15\ucca0 \uc8fc\ubb3c<\/strong><\/p>\n<ul>\n<li>\ub354 \uac00\ubcbc\uc6b4 \ud569\uae08, \uc6a9\uc811\uc774 \uc27d\uace0 \uac00\uacf5 \uc870\ub9bd\uccb4\uc5d0 \uc801\ud569<\/li>\n<li>4340\ubcf4\ub2e4 \uacbd\uc9c8\ud654\uac00 \ub0ae\uc9c0\ub9cc \uc5f4\ucc98\ub9ac \ud6c4\uc5d0\ub3c4 \uc5ec\uc804\ud788 \uac15\ud568<\/li>\n<li>\uace0\uc815\uad6c, \uc911\ud558\uc911 \ubd80\ud488, \ube44\uc6a9 \ubbfc\uac10 \ubd80\ud488\uc5d0 \ub300\ud574 \uc798 \uc791\ub3d9\ud569\ub2c8\ub2e4<\/li>\n<\/ul>\n<p>\uc694\ucee8\ub300:<\/p>\n<ul>\n<li>\uc120\ud0dd <strong>4340<\/strong> \ucd5c\ub300 \uac15\ub3c4, \uae4a\uc740 \uacbd\uc9c8\ud654 \ubc0f \ud53c\ub85c \uc800\ud56d\uc774 \ud544\uc694\ud560 \ub54c.<\/li>\n<li>\uc120\ud0dd <strong>4140<\/strong> \uac15\ud558\uace0 \ub2e4\uc7ac\ub2e4\ub2a5\ud558\uba70 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ubd80\ud488\uc744 \uc704\ud55c \uac83.<\/li>\n<li>\uc120\ud0dd <strong>4130<\/strong> \uc6a9\uc811\uc131\uacfc \uac00\uaca9\uc774 \ucd5c\uace0 \uac15\ub3c4\ubcf4\ub2e4 \ub354 \uc911\uc694\ud55c \uacbd\uc6b0.<\/li>\n<\/ul>\n<hr \/>\n<h3>\ub2e4\ub978 Ni-Cr-Mo \ubc0f \uc800\ud569\uae08\uac15 \uc8fc\uc870 \ub4f1\uae09<\/h3>\n<p>\ub2e4\ub978 \uac83\uc744 \ub610\ud55c \uc8fc\uc870\ud569\ub2c8\ub2e4 <strong>Ni-Cr-Mo \uac15\uc8fc\ubb3c<\/strong> 4340\uc774 \uacfc\ub3c4\ud558\uac8c \uac15\ud558\uac70\ub098 \uac00\uc7a5 \uc801\ud569\ud558\uc9c0 \uc54a\uc744 \ub54c \uace0\uac15\ub3c4 \uc800\ud569\uae08 \uc635\uc158 \ub610\ub294<\/p>\n<ul>\n<li>4320 \/ 8620: \uce68\ud0c4 \uae30\uc5b4 \uc774\ube68\uacfc \ub9c8\ubaa8 \ud45c\uba74\uc5d0 \ud0c1\uc6d4<\/li>\n<li>4350 \/ 4145: \uc11d\uc720 \ucc44\uad74 \ub3c4\uad6c\ub97c \uc704\ud55c \ub354 \ub192\uc740 \uac15\ub3c4\uc640 \uacbd\uc9c8\ud654<\/li>\n<li>\uc800\ud0c4\uc18c-\ud569\uae08 \ud06c\ub86c-\ubab0\ub9ac\ub4d0 \ub4f1\uae09: \uace0\uc628 \uc11c\ube44\uc2a4 \ub610\ub294 \uc555\ub825 \uc6a9\uae30 \ubd80\ud488\uc5d0 \uc801\ud569<\/li>\n<\/ul>\n<p>\uc7ac\ub8cc\ub97c \ud63c\ud569\ud558\ub294 \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0 \ud569\uae08\uac15 \ub2e4\uce90\uc2a4\ud305\uc744 \ube44\ucca0 \uc635\uc158\uacfc \ud568\uaed8 \uacb0\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>\uccad\ub3d9 \ud569\uae08 \uc8fc\uc870\ud488<\/strong> \ubca0\uc5b4\ub9c1\uc774\ub098 \ubd80\uc2dd\uc5d0 \ubbfc\uac10\ud55c \ubd80\ud488\uc5d0 \ub300\ud574, \uc6b0\ub9ac\uac00 \uc9c0\uc6d0\ud558\ub294 \ubc29\uc2dd\uacfc \uc720\uc0ac\ud558\uac8c <a href=\"https:\/\/haoyumaterial.com\/ko\/products\/copper-alloy\/bronze\/\">\uccad\ub3d9 \ud569\uae08 \uc0dd\uc0b0<\/a> \uac15\ucca0 \ud504\ub85c\uadf8\ub7a8\uacfc \ud568\uaed8 \ubcd1\ub82c\ub85c.<\/p>\n<hr \/>\n<h3>\uadc0\ud558\uc758 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud55c \ud569\uae08\uac15 \uc8fc\ubb3c \uc120\ud0dd \ubc29\ubc95<\/h3>\n<p>\uace0\uac1d\uc774 between \uc0ac\uc774\uc5d0\uc11c \uc120\ud0dd\ud558\ub3c4\ub85d \ub3c4\uc6b8 \ub54c <strong>4340 \uac15\ucca0 \uc8fc\uc870<\/strong> \uadf8\ub9ac\uace0 \ub2e4\ub978 \ud569\uae08\ub4e4, \ub098\ub294 \ub2e4\uc74c\uc744 \ubcf8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud544\uc694 \uac15\ub3c4 \uc218\uc900<\/strong>\n<ul>\n<li>\ucd08\uace0\uac15\ub3c4 \/ \ud53c\ub85c \uc784\uacc4\uac12 \u2192 4340<\/li>\n<li>\uc911\uac04\/\ub192\uc740 \uac15\ub3c4 \u2192 4140 \ub610\ub294 \uc774\uc640 \uc720\uc0ac<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uac15\uc778\uc131\uacfc \ucda9\uaca9 \ud558\uc911<\/strong>\n<ul>\n<li>\ucda9\uaca9, \ucda9\uaca9 \ud558\uc911 \ub610\ub294 \uc548\uc804\uc0c1 \uc911\uc694\ud55c \uacbd\uc6b0 \u2192 Ni-Cr-Mo \uacc4\uc5f4\uc758 4340 \uc774\uc0c1 \ub4f1\uae09\uc73c\ub85c \uae30\uc6b8\uc784<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uc139\uc158 \uc0ac\uc774\uc988 \ubc0f \ubcbd \ub450\uaed8<\/strong>\n<ul>\n<li>Through-hardening\uc774 \ud544\uc694\ud55c \ub450\uaebc\uc6b4 \ub2e8\uba74 \u2192 4340 \ub610\ub294 \uc6b0\uc218 \uac00\ub2e8\uacbd\uc131 Ni-Cr-Mo<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uc6a9\uc811\uc131 \ubc0f \uac00\uacf5\uc131<\/strong>\n<ul>\n<li>\ub354 \ub9ce\uc740 \uc6a9\uc811 \u2192 4130 \ub610\ub294 \ub354 \ub0ae\uc740 \ud569\uae08\uac15<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uac00\uacf5\uc131 \ubc0f \uc548\uc815\uc131<\/strong>\n<ul>\n<li>\ubcf5\ud569 \uac00\uacf5 \u2192 \uc815\uaddc\ud654\ub418\uc5c8\uac70\ub098 \uc5b4\ub2d0\ub9c1\ub41c \uae30\uacc4 \uac00\uacf5\uc6a9 \ud569\uae08\uac15 \ub2e4\ub984 \uc8fc\uc870\ud488<\/li>\n<\/ul>\n<\/li>\n<li><strong>\uc6d0\uac00 \ubaa9\ud45c<\/strong>\n<ul>\n<li>\uc608\uc0b0\uc774 \ube61\ube61\ud558\uace0 \ud558\uc911\uc774 \uc911\uac04\uc778 \uacbd\uc6b0 \u2192 4340 \ub300\uc2e0 4130\/4140<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>\ud558\uc911 \uc0ac\ub840, \ubd80\ud488 \ud06c\uae30 \ubc0f \ubaa9\ud45c \uacbd\ub3c4\/\uac15\ub3c4\ub97c \uacf5\uc720\ud558\uc2dc\uba74, \uc131\ub2a5 \ubc0f \uc548\uc804 \ubaa9\ud45c\ub97c \uc5ec\uc804\ud788 \ucda9\uc871\ud558\ub294 \uac00\uc7a5 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ud569\uae08\uac15 \uc8fc\uc870 \ub4f1\uae09\uc744 \ucd94\ucc9c\ud574 \ub4dc\ub9bd\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ud56d\uacf5\uc6b0\uc8fc \ubc29\uc704 \ubc0f \uc911\uc7a5\ube44 \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud55c \ub9de\ucda4\ud615 \uc8fc\uc785 \ubc0f \ubaa8\ub798 \uc8fc\uc870 \ubd80\ud488\uacfc \ud568\uaed8\ud558\ub294 \uace0\uac15\ub3c4 4340 \uac15\ucca0 \uc8fc\uc870 \uc194\ub8e8\uc158<\/p>","protected":false},"featured_media":1156,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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