{"id":1284,"date":"2026-01-02T10:02:30","date_gmt":"2026-01-02T02:02:30","guid":{"rendered":"https:\/\/haoyumaterial.com\/?post_type=product&#038;p=1284"},"modified":"2026-01-02T10:02:30","modified_gmt":"2026-01-02T02:02:30","slug":"4140-alloy-steel-round-bar-and-plate-supplier-properties","status":"publish","type":"product","link":"https:\/\/haoyumaterial.com\/ko\/product\/4140-alloy-steel-round-bar-and-plate-supplier-properties\/","title":{"rendered":"4140 \ud569\uae08\uac15 \uc6d0\ud615 \ubc14 \ubc0f \ud50c\ub808\uc774\ud2b8 \uacf5\uae09\uc5c5\uccb4 \uc18d\uc131"},"content":{"rendered":"<h2>4140 \ud569\uae08\uac15: \uace0\uac15\ub3c4 Cr-Mo \uc194\ub8e8\uc158<\/h2>\n<p>\uadf9\uc2ec\ud55c \uc751\ub825\uc744 \uacac\ub514\uba74\uc11c\ub3c4 \uc778\uc131 \uc190\uc2e4 \uc5c6\uc774 \uc18c\uc7ac\ub97c \ucc3e\ub294 \uac83\uc740 \uc815\ubc00 \uacf5\ud559\uc5d0\uc11c\uc758 \ub04a\uc784\uc5c6\ub294 \ub3c4\uc804\uc785\ub2c8\ub2e4.\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc774 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374(Cr-Mo) \uc800\ud569\uae08\uac15\uc740 \uc2e0\ub8b0\uc131\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc73c\uba70, \uac00\uc7a5 \uae4c\ub2e4\ub85c\uc6b4 \uc0b0\uc5c5 \ud45c\uc900\uc744 \ucda9\uc871\ud558\uae30 \uc704\ud574 \uc81c\uacf5\ud558\ub294 \uac15\ub3c4\uc640 \uc5f0\uc131\uc744 \uc6b0\uc218\ud558\uac8c \uade0\ud615 \uc7a1\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>AISI 4140\uc758 \uc8fc\uc694 \uc774\uc810<\/h3>\n<ul>\n<li><strong>\ub6f0\uc5b4\ub09c \ud53c\ub85c \uac15\ub3c4:<\/strong>\u00a0\uad6c\uc870\uc801 \ud30c\uc190 \uc5c6\uc774 \uace0\uc0ac\uc774\ud074 \ud558\uc911\uc744 \uacac\ub514\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub192\uc740 \ub9c8\ubaa8 \uc800\ud56d:<\/strong>\u00a0\uc2ec\ud55c \ub9c8\ubaa8 \ubc0f \ub9c8\ucc30\ud558\uc5d0\uc11c\ub3c4 \ud45c\uba74 \uacbd\ub3c4\uc640 \uc644\uc804\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc6b0\uc218\ud55c \ube44\ud2c0\ub9bc \uc131\ub2a5:<\/strong>\u00a0\ube44\ud2c0\ub9bc\uc744 \ubc1b\ub294 \ucd95 \ubc0f \ud68c\uc804 \ubd80\ud488\uc5d0 \ud544\uc694\ud55c \ud0c4\ub825\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud0c1\uc6d4\ud55c \uacbd\ud654\uc131:<\/strong>\u00a0\uc5f4\ucc98\ub9ac\uc5d0 \uc644\ubcbd\ud558\uac8c \ubc18\uc751\ud558\uc5ec \ub2e8\uba74 \uc804\uccb4\uc5d0 \uae4a\uc740 \uacbd\ub3c4\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ud45c\uc900 \uc0b0\uc5c5 \ud45c\uae30<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uae00\ub85c\ubc8c \ud638\ud658\uc131\uacfc \uc18c\uc7ac \ud2b8\ub808\uc774\uc2a4ability\ub97c \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec \uad6d\uc81c\uc801\uc73c\ub85c \uc778\uc815\ub41c \ud45c\uc900 \uc544\ub798 \uc774 \ub2e4\uc6a9\ub3c4 \ub4f1\uae09\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>AISI 4140 \/ SAE 4140<\/strong><\/li>\n<li><strong>UNS G41400<\/strong><\/li>\n<li><strong>42CrMo4<\/strong>\u00a0(\uad6d\uc81c \ub3d9\ub4f1\ubb3c)<\/li>\n<\/ul>\n<p>\uc120\ub3c4\uc801\uc778 \uacf5\uae09\uc5c5\uccb4\ub85c\uc11c \uc6b0\ub9ac\ub294 \ubc29\ub300\ud55c \uc7ac\uace0\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc0dd\uc0b0 \ub77c\uc778\uc774 \uacb0\ucf54 \uc9c0\uc5f0\ub418\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc6d0\ud615 \uc6d0\uc7ac\ub8cc \ubc14 \ub610\ub294 \uc815\ubc00 \uc808\ub2e8 \ube14\ub85d\uc774 \ud544\uc694\ud558\ub4e0 \uac04\uc5d0, \ub2f9\uc0ac\uc758 Cr-Mo \uac15 \uc194\ub8e8\uc158\uc740 \uace0\uc2a4\ud2b8\ub808\uc2a4 \uc801\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \uacac\uace0\ud55c \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud654\ud559 \uc870\uc131 \ubc0f \uc6d0\uc18c \uad6c\uc131<\/h2>\n<p>\uc758 \uc131\ub2a5\u00a0<strong>AISI 4140 \uc2a4\ud2f8<\/strong>\u00a0\uc815\ud655\ud55c \ud654\ud559\uc801 \uad6c\uc131\uc5d0 \ubfcc\ub9ac\ub97c \ub450\uace0 \uc788\ub2e4. \uc120\ub450\uc8fc\uc790\uc774\uba70\u00a0<strong>4140 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374\uac15<\/strong>, \ud06c\ub86c\uacfc \ubab0\ub9ac\ube0c\ub374\uc758 \uade0\ud615\uc740 \uc7ac\ub8cc\uac00 \uace0\uc2a4\ud2b8\ub808\uc2a4 \ud658\uacbd\uacfc \uadf9\uc2ec\ud55c \ud53c\ub85c\uc5d0\ub3c4 \uc2e4\ud328 \uc5c6\uc774 \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc8fc\uc694 \ud569\uae08 \uc6d0\uc18c \ubc0f \uadf8 \uc5ed\ud560\ub4e4<\/h3>\n<p>\ud2b9\uc815 \ud654\ud559\uc131\uc9c8\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\ud45c\uc900 \ud0c4\uc18c\uac15\uc774 \ub530\ub77c\uc62c \uc218 \uc5c6\ub294 \ub192\uc740 \uc5f0\uc131\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc744 \ub2ec\uc131\ud558\uac8c \ud574\uc90d\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ubc29\ub300\ud55c \uc7ac\uace0\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/products\/stainless-steel\/alloy-steel\/\">\uace0\uc131\ub2a5 \ud569\uae08\uac15<\/a>\u00a0\ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc77c\uad00\ub41c \uc6d0\uc18c \ud2b9\uc131\uc744 \uac00\uc9c4 \uc7ac\ub8cc\ub97c \ubc1b\uc744 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud06c\ub86c(Cr):<\/strong>\u00a0\uacbd\ud654 \uc99d\uac00\ub97c \uc704\ud55c \uc8fc\uc694 \uc778\uc790\uc785\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uac15\uc758 \ub0b4\ub9c8\ubaa8\uc131\uacfc \ud45c\uba74 \ub9c8\ubaa8 \uc800\ud56d\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ubab0\ub9ac\ube0c\ub374(Mo):<\/strong>\u00a0\uae4a\uc740 \uacbd\ud654 \ud2b9\uc131\uc744 \uac15\ud654\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774 \ubb3c\uc9c8\uc740 \uace0\uc628\uc5d0\uc11c\uc758 \uac15\ub3c4 \uc99d\uac00\uc640 \uc5f4\ucc98\ub9ac \uc911 \uc5f0 brittleness\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud0c4\uc18c(C):<\/strong>\u00a0\uad6c\uc870 \ubc0f \uae30\uacc4 \ubd80\ud488\uc5d0 \ud544\uc694\ud55c \uac15\ub3c4\uc640 \uacbd\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub9dd\uac04(Mn):<\/strong>\u00a0\ud0c8\uc0b0\uc81c \uc5ed\ud560\uc744 \ud558\uba70 \ud06c\ub86c\uacfc \ud568\uaed8 \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \uacbd\ud654 \uae4a\uc774\ub97c \uc99d\uac00\uc2dc\ud0a4\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e4\ub9ac\ucf58(Si):<\/strong>\u00a0\ud398\ub77c\uc774\ud2b8\uc758 \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uc6a9\uc735 \uacfc\uc815\uc5d0\uc11c \uc548\uc815\ud654\uc81c\ub85c \uc791\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc7ac\ub8cc \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/h3>\n<p>\uadf8\u00a0<strong>4140 \ud654\ud559 \uc870\uc131<\/strong>\u00a0\uc0c1\uc810\uc758 \ub2e4\uc7ac\ub2e4\ub2a5\uc131\uacfc \ud604\uc7a5 \uc2e0\ub8b0\uc131\uc744 \uc704\ud574 \ud2b9\ubcc4\ud788 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uacf5\uc7a5 \uc9c1\ubc30\uc1a1 \uc7ac\uace0\uc5d0\uc11c \uc870\ud569 \uc6d0\uc18c\uac00 \ucd5c\uc801\ud654\ub41c \uc7ac\ub8cc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc6b0\uc218\ud55c \uacbd\ud654\uc131:<\/strong>\u00a0\ud45c\uba74\uc5d0\uc11c \ucf54\uc5b4\uae4c\uc9c0 \uade0\uc77c\ud55c \uacbd\ub3c4\ub97c \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub192\uc740 \ud53c\ub85c \uac15\ub3c4:<\/strong>\u00a0\uc0e4\ud504\ud2b8\uc640 \uae30\uc5b4\uc758 \uc0ac\uc774\ud074\ub9c1 \ud558\uc911 \uc800\ud56d.<\/li>\n<li><strong>\ub300\uae30 \ubd80\uc2dd \uc800\ud56d:<\/strong>\u00a0\uae30\ubcf8 \uac15\uc7ac\uc5d0 \ube44\ud574 \uac70\uce5c \uc0b0\uc5c5 \ud658\uacbd\uc5d0\uc11c\uc758 \ub0b4\uad6c\uc131 \uc81c\uacf5.<\/li>\n<li><strong>\uac00\uacf5\uc131:<\/strong>\u00a0\uc815\ubc00 \uc120\uc0ad \ubc0f \uc5f0\uc0ad \uacf5\uc815 \uc911 \ub6f0\uc5b4\ub09c \uc131\ub2a5 \uc720\uc9c0.<\/li>\n<\/ul>\n<p>\ubaa8\ub4e0 \ubd80\ud488\uc758 \uc7ac\ub8cc \uc774\ub825 \ucd94\uc801 \uac00\ub2a5\uc131 \ubcf4\uc7a5 \ubc0f \uc5c4\uaca9\ud55c \ud488\uc9c8 \uae30\uc900 \uc900\uc218\ub85c \ud2b9\uc815 \uc0b0\uc5c5\uc6a9 \uc801\uc6a9\uc5d0 \ud544\uc694\ud55c \uc5c4\uaca9\ud55c \ud654\ud559\uc801 \uc694\uad6c\uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 4140 \ud569\uae08\uac15 \ubcf4\uc7a5.<\/p>\n<h2>AISI 4140 \uac15\uc758 \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n<p>\ub2f9\uc0ac 4140 \ud569\uae08\uac15\uc758 \uae30\uacc4\uc801 \uc131\ub2a5\uc740 \uc11c\ub85c \ub2e4\ub978 \uc5f4\ucc98\ub9ac\uc5d0 \ub9e4\uc6b0 \uc798 \ubc18\uc751\ud558\uc5ec \ub2e4\uc7ac\ub2e4\ub2a5\ud569\ub2c8\ub2e4. \uadc0\ud558\uc758 \uad6c\uccb4\uc801\uc778 \uc751\ub825 \uc694\uac74\uc5d0 \ub9de\ucd98 \uc0c1\ud0dc\ub85c \uc774 \uc7ac\ub8cc\ub97c \uacf5\uae09\ud558\uba70, \ucd5c\uc885 \ubd80\ud488\uc774 \uc911\uc7a5\ube44 \uc0b0\uc5c5\uc6a9\uc73c\ub85c \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc774 \ub4f1\uae09\uc774 \ub2e4\ub978 \ud2b9\uc218 \uc7ac\ub8cc\uc640 \ube44\uad50\ub420 \ub54c\ub97c \ud3c9\uac00 \uc911\uc774\ub77c\uba74, \uc800\ud76c\uc758\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/4140-stainless-steel-guide-properties-uses-and-key-differences\/\">4140 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud2b9\uc131 \ubc0f \uc6a9\ub3c4 \uac00\uc774\ub4dc<\/a>\u00a0\ud575\uc2ec \ucc28\uc774\uc810\uc758 \uc790\uc138\ud55c \ubd84\ud574\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ud575\uc2ec \uac15\ub3c4 \ubc0f \ub0b4\uad6c\uc131 \uc9c0\ud45c<\/h3>\n<ul>\n<li><strong>\uc778\uc7a5 \uac15\ub3c4:<\/strong>\u00a0\uad6c\uc870\uc801 \uc2e0\ub8b0\uc131\uc5d0 \ud544\uc218\uc801\uc778 \uc778\uc7a5 \uc800\ud56d\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud56d\ubcf5 \uac15\ub3c4:<\/strong>\u00a0\uc601\uad6c \ubcc0\ud615 \uc5c6\uc774 \ud558\uc911\uc744 \uacac\ub51c \uc218 \uc788\ub294 \ub6f0\uc5b4\ub09c \ub2a5\ub825.<\/li>\n<li><strong>\uc2e0\uc728:<\/strong>\u00a0\uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\uc5d0\uc11c\uc758 \ucda9\ubd84\ud55c \uc5f0\uc131\uc73c\ub85c \uac00\uacf5 \ubc0f \uc131\ud615\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ucda9\uaca9 \uc778\uc131:<\/strong>\u00a0\uc800\uc628 \ud658\uacbd\uc5d0\uc11c\ub3c4 \ud0c1\uc6d4\ud55c \uc131\ub2a5\uacfc \uade0\uc5f4 \uc800\ud56d\uc131.<\/li>\n<\/ul>\n<h3>\uacf5\uae09 \uc0c1\ud0dc\ubcc4 \uc131\ub2a5<\/h3>\n<p>\uc81c\uc870 \ud750\ub984\uc5d0 \ub9de\ucd94\uae30 \uc704\ud574 4140 \ud569\uae08\uac15\uc744 \uc138 \uac00\uc9c0 \uc8fc\uc694 \uc0c1\ud0dc\ub85c \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>Annealed:<\/strong>\u00a0\uc774 \uc0c1\ud0dc\ub294 \ucd5c\uc800 \uacbd\ub3c4\uc640 \ucd5c\ub300 \uc5f0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uad11\ubc94\uc704\ud55c \uae30\uacc4 \uac00\uacf5 \ub610\ub294 \ub0c9\uac04 \uac00\uacf5\uc774 \ud544\uc694\ud55c \ud504\ub85c\uc81d\ud2b8\uc5d0 \uc774\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubcf4\uc815\ub41c:<\/strong>\u00a0\uc6b0\ub9ac\ub294 \uade0\uc77c\ud55c \uace1\ubb3c \uad6c\uc870\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud574 \uc774 \uacf5\uc815\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc774\ub294 \ucd94\uac00 \uc5f4\ucc98\ub9ac\ub97c \uac70\uce60 \ubd80\ud488\uc5d0 \ub300\ud574 \uc911\uac04 \uac15\ub3c4\uc640 \ub354 \ub098\uc740 \uc548\uc815\uc131\uc744 \uac00\uc838\uc635\ub2c8\ub2e4.<\/li>\n<li><strong>\uc9c8\uc18c\ud654 \ubc0f \ud15c\ud37c\ub9c1(Q&amp;T):<\/strong>\u00a0\u8fd9\u662f \uc6b0\ub9ac\uc758 \uace0\uc131\ub2a5 \uc0c1\ud0dc\uc785\ub2c8\ub2e4. \uae30\uc5b4, \ubcfc\ud2b8, \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8\uc640 \uac19\uc740 \uc911\uc694\ud55c \ubd80\ud488\uc5d0 \ud544\uc694\ud55c \ucd5c\ub300 \ud53c\ub85c\uac15\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub2f9\uc0ac\uc758 4140 \uc7ac\ub8cc\ub294 \uac15\ub3c4 \ub300 \uc911\ub7c9 \ube44\ub97c \ub192\uac8c \uc720\uc9c0\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5b4, \ud504\ub9ac \ud558\ub4dc\ub2dd(pre-hardened) \uc0c1\ud0dc\uc774\ub4e0 \ub9de\ucda4 \ucc98\ub9ac(custom-treated) \uc0c1\ud0dc\uc774\ub4e0 \uc790\ub3d9\ucc28 \ubc0f \uc11d\uc720\uac00\uc2a4 \uc0b0\uc5c5\uc758 \uc5c4\uaca9\ud55c \uae30\uacc4\uc801 \ud45c\uc900\uc744 \ucda9\uc871\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131<\/h2>\n<p>\ubb3c\ub9ac\uc801 \ud504\ub85c\ud30c\uc77c \uc774\ud574\ud558\uae30\u00a0<strong>\uc7ac\ub8cc 4140 \ud569\uae08\uac15<\/strong>\u00a0\uc815\ubc00 \uac00\uacf5 \ubd80\ud488\uc758 \uc548\uc815\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc740 \ub0b4\ubd80 \uac00\uacf5 \uacfc\uc815\uacfc \ucd5c\uc885 \uc801\uc6a9\uc5d0\uc11c \uac15\ub3c4\uac00 \uc5f4\uacfc \uc751\ub825\uc5d0 \uc5b4\ub5bb\uac8c \ubc18\uc751\ud558\ub294\uc9c0 \uaddc\uc815\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ubc00\ub3c4:<\/strong>\u00a0\uc57d 7.85 g\/cm\u00b3 (0.284 lb\/in\u00b3)\ub85c, \uace0\ucda9\uaca9 \uc751\uc6a9\uc5d0 \ud544\uc694\ud55c \ubb34\uac8c\uc640 \ubb3c\uc9c8\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud0c4\uc131 \uacc4\uc218:<\/strong>\u00a0\uc77c\ubc18\uc801\uc73c\ub85c \uac15\ub3c4\ub294 190-210 GPa(27,557-30,458 ksi \uc0ac\uc774)\uc5d0 \uc774\ub974\uba70, \ubb34\uac70\uc6b4 \ud558\uc911\uc5d0\uc11c\ub3c4 \ub192\uc740 \uac15\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5f4\uc804\ub3c4\ub3c4:<\/strong>\u00a0\uc774 \ucca0\uac15\uc740 \ud6a8\uc728\uc801\uc778 \uc5f4 \uc804\ub3c4 \ud2b9\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \uc6b0\ub9ac\uc758 \uc9c4\uacf5 \uc5f4\ucc98\ub9ac, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ub2e8\uacc4\uc5d0 \ub300\ud574 \ub192\uc740 \ubc18\uc751\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5f4\ud33d\ucc3d:<\/strong>\u00a0\uc608\uce21 \uac00\ub2a5\ud55c \ud33d\ucc3d \uacc4\uc218\ub85c \uc778\ud574 \ud55c\u00a0<strong>4140 \uac15\ud310<\/strong>\u00a0\ub610\ub294 \ub9de\ucda4 \ube14\ub85d\uc774 \uc628\ub3c4 \ubcc0\ud654\uc5d0 \ub530\ub978 \uc5f4\ud558\uc911\uc5d0\uc11c\ub3c4 \uce58\uc218 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774\ub7ec\ud55c \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc740 \uc6b0\ub9ac \uace0\uac1d\uc774 \uae30\ub300\ud558\ub294 \ub192\uc740 \ud53c\ub85c \uac15\ub3c4\uc640 \ub300\uae30 \ubd80\uc2dd \uc800\ud56d\uc131\uc744 \ub4b7\ubc1b\uce68\ud569\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uc5d0 \ub300\ud574 \uc11c\ub85c \ub2e4\ub978 \uc7ac\ub8cc \uac70\ub3d9\uc744 \ube44\uad50\ud558\ub294 \ubd84\ub4e4\uc744 \uc704\ud574, \uc6b0\ub9ac\uc758\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/casting-alloy-guide-types-properties-applications-and-selection\/\">\ud569\uae08 \uc720\ud615\uacfc \uc131\uc9c8\uc5d0 \ub300\ud55c \uac00\uc774\ub4dc<\/a>\u00a0\ub294 \uc7ac\ub8cc \uc120\ud0dd\uc774 \uc804\ubc18\uc801 \uc131\ub2a5\uc5d0 \uc5b4\ub5a4 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0\uc5d0 \ub300\ud55c \uae4a\uc740 \ud1b5\ucc30\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ud2b9\uc815 \uc0b0\uc5c5 \ud5c8\uc6a9\uc624\ucc28\uc5d0 \ud544\uc694\ud55c \uc5c4\uaca9\ud55c \ubb3c\ub9ac\uc801 \ud45c\uc900\uc744 \ucda9\uc871\ud558\ub294 \ubaa8\ub4e0 \ubd80\ud488\uc744\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc120\uc801\ud558\ub294 \ubaa8\ub4e0 \ud488\ubaa9\uc774 \ucda9\uc871\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15 \uacf5\uae09 \ubc94\uc704 \ubc0f \ubc30\uc1a1 \uc635\uc158<\/h2>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140_Alloy_Steel_Bars_Plates_Forgings_tbGBu8url.webp\" alt=\"4140 \ud569\uae08\uac15 \ubc14 \ud310\uae08 \uc8fc\uc870\ud488\" width=\"994\" height=\"656\" \/><\/p>\n<p>\uc6b0\ub9ac\ub294 \ub300\ub7c9 \uc7ac\uace0\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\ud504\ub85c\uc81d\ud2b8 \uaddc\ubaa8\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc989\uc2dc \ubc1c\uc1a1\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud568\uc785\ub2c8\ub2e4. \uc7ac\uace0 30,000\ud1a4 \uc774\uc0c1\uc73c\ub85c \uad6c\uc131\ub41c \uc790\uc7ac\ub97c \ubcf4\uc720\ud558\uace0 \uc788\uc73c\uba70 \uc8fc\ub41c\u00a0<strong>4140 \uac15\uc7ac \uacf5\uae09\uc790<\/strong>\u00a0\uacf5\uc7a5 \uc9c1\ub9e4 \ubc0f \uc18c\ub9e4 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud558\ub294 \uacf3\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\uc758 \uacf5\uae09\ub9dd\uc740 \uc18d\ub3c4\uc640 \uc2e0\ub8b0\uc131\uc5d0 \ub9de\ucdb0 \uc124\uacc4\ub418\uc5c8\uc73c\uba70 \uc0b0\uc5c5 \uc81c\uc870\uc5c5\uccb4\uac00 \uc694\uad6c\ud558\ub294 \uad6c\uccb4\uc801 \uacf5\ucc28\ub97c \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc0ac\uc6a9 \uac00\ub2a5\ud55c \uc81c\ud488 \ud615\ud0dc<\/h3>\n<ul>\n<li><strong>4140 \uc6d0\ud615 \ubc14<\/strong>: \uace0\uac15\ub3c4 \ucd95 \ubc0f \uae30\uc5b4\uc5d0 \uc801\ud569\ud55c \ub113\uc740 \uc9c1\uacbd \ubc94\uc704.<\/li>\n<li><strong>4140 \uac15\ud310 \ubc0f \uc2dc\ud2b8<\/strong>: \uad6c\uc870\uc6a9 \ubc0f \uae30\uacc4 \ubd80\ud488\uc6a9 \ub2e4\uc591\ud55c \ub450\uaed8\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ub9de\ucda4\ud615 \ube14\ub85d \ubc0f \ub2e8\uc870\ud488<\/strong>: \ub0b4\ubd80 \ubb34\uacb0\uc131\uc774 \ub6f0\uc5b4\ub09c \uc911\uc7a5\ube44\uc6a9\uc73c\ub85c \ub9de\ucda4\ud615 \ud615\ud0dc \ubc0f \ub2e8\uc870 \ube14\ub85d \uc81c\uacf5.<\/li>\n<\/ul>\n<h3>\ub0a9\ud488 \uc870\uac74<\/h3>\n<p>\ud2b9\uc815 \uc0dd\uc0b0 \uc6cc\ud06c\ud50c\ub85c\uc5d0 \ub9de\ucd94\uc5b4 \uc5ec\ub7ec \uc870\uac74\uc758 \uc790\uc7ac\ub97c \uacf5\uae09\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud038<\/strong>: \ucd94\uac00 \uac00\uacf5\uc774\ub098 \ub2e8\uc870\ub97c \uc704\ud55c \ud45c\uc900 \uacf5\uc7a5 \ub9c8\uac10.<\/li>\n<li><strong>\ub2e8\uc870\ub41c<\/strong>\uadf9\uc2ec\ud55c \uc2a4\ud2b8\ub808\uc2a4\ub97c \ubc1b\ub294 \ubd80\ud488\uc744 \uc704\ud55c \ucd5c\uc801\ud654\ub41c \uacb0\uc815 \uad6c\uc870.<\/li>\n<li><strong>4140 \uc608\uacbd\uc9c8\ud654\ub428<\/strong>\uacf5\uc7a5 \ub0b4\uc5d0\uc11c \ud2b9\uc815 \uacbd\ub3c4 \uc218\uc900\uc73c\ub85c \uc5f4\ucc98\ub9ac\ub418\uc5b4 \ub0b4\ubd80 \uac00\uacf5 \uc2dc\uac04\uc744 \uc904\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc6d0\uc790\uc7ac \uacf5\uae09\uc744 \ub118\uc5b4\uc11c, \uc815\ubc00 \uc808\ub2e8\uc744 \ud3ec\ud568\ud55c \uc6d0\uc2a4\ud1b1 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/precision-cnc-machining-bronze-services-for-custom-industrial-parts\/\">\uc815\ubc00 CNC \uac00\uacf5 \uc11c\ube44\uc2a4<\/a>\u00a0\uadfc\uc811 \uc21c\uc815 \ud615\uc0c1 \ubd80\ud488\uc744 \ub0a9\ud488\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc8fc\ubb38\uc740 \ubbf8\uc138 \ubc00\ub9c1, \uc5f0\uc0ad \ubc0f \uc5f0\ub9c8\uc640 \uac19\uc740 \ud45c\uba74 \ucc98\ub9ac\ub85c \ub9de\ucda4\ud615\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uadc0\ud558\uc758 \uc815\ud655\ud55c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc0ac\uc591\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \uc7ac\ub8cc\ub294 \uc644\uc804\ud55c \uc774\ub825 \uad00\ub9ac\uac00 \uac00\ub2a5\ud558\uba70 \uc5c4\uaca9\ud55c ISO9001 \ud488\uc9c8 \ud45c\uc900\uc744 \uc900\uc218\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc\ub77c\uc778<\/h2>\n<p>\uc801\uc808\ud55c \uc5f4\ucc98\ub9ac\ub9cc\uc774 \uc7a0\uc7ac\ub825\uc744 \uc644\uc804\ud788 \ubc1c\ud718\ud558\uac8c \ud569\ub2c8\ub2e4\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>. \ub2f9\uc0ac\ub294 \uc9c4\uacf5 \uc5f4\ucc98\ub9ac\ub97c \ud3ec\ud568\ud55c \ud3ec\uad04\uc801\uc778 \uc5f4\ucc98\ub9ac \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uadc0\ud558\uc758 \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \ud544\uc694\ud55c \uacbd\ub3c4\uc640 \uc5f0\uc131\uc758 \uc815\ud655\ud55c \uade0\ud615\uc744 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uc5b4\ub2d0\ub9c1 \ubc0f \ub178\uba40\ub77c\uc774\uc9d5<\/h3>\n<p>\uc900\ube44\ud558\uae30 \uc704\ud574\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc815\ubc00 \uac00\uacf5\uc744 \uc704\ud574 \uc794\ub958 \uc751\ub825 \uac10\uc18c\uc640 \uacb0\uc815\ub9bd \uad6c\uc870 \uc815\uc81c\ub97c \uc704\ud574 \uc560\ub108\uc77c\ub9c1\uacfc \ub178\ub9d0\ub77c\uc774\uc9d5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc5b4\ub2d0\ub9c1:<\/strong>\u00a0\uc6b0\ub9ac\ub294 \uac15\ucca0\uc744 1450\u00b0F\uc5d0\uc11c 1600\u00b0F\uc758 \ubc94\uc704\ub85c \uac00\uc5f4\ud55c \ub4a4 \ub290\ub9b0 \uc81c\uc5b4 \ub0c9\uac01\uc744 \uc2e4\uc2dc\ud569\ub2c8\ub2e4. \uc774\ub294 \ucd5c\ub300 \uac00\uacf5\uc131\uc73c\ub85c \ub354 \ubd80\ub4dc\ub7ec\uc6b4 \uc7ac\ub8cc\ub97c \ub9cc\ub4e4\uc5b4\ub0c5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc815\uaddc\ud654:<\/strong>\u00a0\uc774 \uacf5\uc815\uc740 \uac15\ucca0\uc744 \ub300\ub7b5 1600\u00b0F\u20131700\u00b0F(\uc57d 871\u00b0C\u2013927\u00b0C)\ub85c \uac00\uc5f4\ud55c \ud6c4 \uc815\uc801 \uacf5\uae30 \uc911\uc5d0 \ub0c9\uac01\uc2dc\ud0a4\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc774\ub85c\uc368 \uc804\uccb4 \ubc30\uce58\uc5d0 \uac78\uccd0 \uade0\uc77c\ud55c \uacb0\uc815\ub9bd \uad6c\uc870\uac00 \ud615\uc131\ub418\uc5b4 \ud6c4\uc18d \uacbd\ud654 \ub2e8\uacc4\uc5d0 \ub300\ube44\ud558\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uacbd\ud654 \ubc0f \ub2f4\uae08\uc9c8(\ud01c\uce6d)<\/h3>\n<p>\uadf8\u00a0<strong>4140 \uacbd\ud654 \ubc0f \ub2f4\uae08\uc9c8<\/strong>\u00a0\uacbd\ub3c4\ub294 \uace0\uc2a4\ud2b8\ub808\uc2a4 \uc0b0\uc5c5 \ubd80\ud488\uc758 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uacbd\ud654:<\/strong>\u00a0\uc6b0\ub9ac\ub294 \uc7ac\ub8cc\ub97c \ud654\uc528 1500\ub3c4\u20131600\ub3c4\uae4c\uc9c0 \uac00\uc5f4\ud558\uace0 \uc624\uc77c\ub85c \uae09\ub0c9\ud569\ub2c8\ub2e4. \uc774 \uae09\ub0c9\uc740 \uad6c\uc870\ub97c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud615\uc2dc\ucf1c \uac15\ub3c4\ub97c \ud06c\uac8c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud15c\ud37c\ub9c1:<\/strong>\u00a0\ud01c\uce6d \ud6c4, \uac15\ucca0\uc740 \ubaa9\ud45c \uacbd\ub3c4\ub97c \uc5bb\uace0 \uc778\uc131\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c \ud654\uc528 400\ub3c4\uc5d0\uc11c 1200\ub3c4 \uc0ac\uc774\uc758 \ub0ae\uc740 \uc628\ub3c4\ub85c \uc7ac\uac00\uc5f4\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uacbd\ub3c4 \ub300 \ub2f4\uae08\uc9c8 \uc628\ub3c4<\/h3>\n<p>\ucd5c\uc885\u00a0<strong>4140 \uacbd\ub3c4<\/strong>\u00a0\ub2f4\uae08\uc9c8 \uc628\ub3c4\uc5d0 \uc758\ud574 \uc9c1\uc811 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc774 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc870\uc815\ud558\uc5ec \ud2b9\uc815 HRC \uc694\uad6c\uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \ub9de\ucda4 \ube14\ub85d \ub610\ub294 \ubc14\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\ub2f4\uae08\uc9c8 \uc628\ub3c4(\u00b0F)<\/th>\n<th>\uc77c\ubc18 \uacbd\ub3c4 (HRC)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>400\u00b0F<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a050\u201355 HRC<\/td>\n<\/tr>\n<tr>\n<td>600\u00b0F<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 45\u201350 HRC<\/td>\n<\/tr>\n<tr>\n<td>800\u00b0F<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 40\u201345 HRC<\/td>\n<\/tr>\n<tr>\n<td>1000\u00b0F<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a030\u201335 HRC<\/td>\n<\/tr>\n<tr>\n<td>1200\u00b0F<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 20\u201325 HRC<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\uc5f4 \uc21c\ud658\uc774 \uc644\ub8cc\ub418\uba74, \uc6b0\ub9ac\ub294 \uc885\uc885 \uc815\ubc00\ub3c4\ub97c \uc801\uc6a9\ud569\ub2c8\ub2e4\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/services\/surface-treatment\/\">\ud45c\uba74 \ucc98\ub9ac<\/a>\u00a0\ub9c8\ubaa8 \uc800\ud56d\uc131\uacfc \ub0a9\ud488 \uc804 4140 \ubd80\ud488\uc758 \ubbf8\uc801 \ub9c8\uac10\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574. \ub2f9\uc0ac\uc758 \uc804\ubb38 \uae30\uc220 \uc9c0\uc6d0 \ud300\uc774 \ubd80\ud488\uc774 \uac00\uc7a5 \uae4c\ub2e4\ub85c\uc6b4 \ud53c\ub85c \ud658\uacbd\uc5d0\uc11c\ub3c4 \uacac\ub51c \uc218 \uc788\ub3c4\ub85d \uc5f4\ucc98\ub9ac \ub9e4\uac1c\ubcc0\uc218\uc5d0 \ub300\ud55c \uad6c\uccb4\uc801\uc778 \uc9c0\uce68\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15\uc758 \uae30\uacc4 \uac00\uacf5, \uc6a9\uc811 \ubc0f \uc81c\uc791<\/h2>\n<p><strong>\uac00\uacf5\uc131 \ub4f1\uae09<\/strong><br \/>\n4140 \ud569\uae08\uac15\uc740 \uac00\uacf5 \ubc0f \uc5f0\ub9c8 \uacf5\uc815\uc5d0\uc11c \ub6f0\uc5b4\ub09c \uc131\ub2a5\uc73c\ub85c \uc798 \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \uc0c1\ud0dc\uc5d0\uc11c \uc57d 65%\uc758 \uac00\uacf5\uc131 \ub4f1\uae09\uc744 B1112 \ud0c4\uc18c\uac15\uacfc \ube44\uad50\ud574 \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ud2b9\uc218\ud55c\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/machining-casting-guide-precision-cnc-tight-tolerances\/\">\uac00\uacf5 \ubc0f \uc8fc\uc870\ub97c \uc81c\uacf5\ud558\uc5ec \uc5c4\uaca9\ud55c \uacf5\ucc28\ub97c \ucda9\uc871\ud558\ub3c4\ub85d<\/a>\u00a04140 \ubd80\ud488\uc774 \uc815\ud655\ud55c \uacf5\ud559 \uc0ac\uc591\uc744 \ub9cc\uc871\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc5f0\ud654 \uc0c1\ud0dc:<\/strong>\u00a0\uace0\uc18d \uc808\ub2e8\uacfc \ubcf5\ud569 \ubc00\ub9c1\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\uacbd\uc9c8\ud654 \uc0c1\ud0dc:<\/strong>\u00a0\ucd94\uac00 \uc5f4\ucc98\ub9ac \uc5c6\uc774\ub3c4 \ud45c\uba74 \ub9c8\uac10 \ud488\uc9c8\uacfc \uce58\uc218 \uc548\uc815\uc131\uc774 \ud544\uc694\ud55c \ubd80\ud488\uc5d0 \ucd5c\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>4140\uc758 \uc6a9\uc811 \uc808\ucc28<\/strong><br \/>\nAISI 4140 \uac15\uc758 \uc6a9\uc811\uc740 \ud6a8\uacfc\uc801\uc774\uc9c0\ub9cc \uc5f4\uc601\ud5a5\ubd80(HAZ)\uc5d0\uc11c \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub824\uba74 \uc5c4\uaca9\ud55c \uc5f4 \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc608\uc5f4:<\/strong>\u00a0\ub450\uaed8\uc5d0 \ub530\ub77c \uc139\uc158\uc758 \ub450\uaed8\uc5d0 \ub530\ub77c 400\u00b0F\u2013600\u00b0F(200\u00b0C\u2013300\u00b0C)\ub85c \uc608\uc5f4\ud558\ub294 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud544\ub9c1 \uc7ac\ub8cc:<\/strong>\u00a0\uc218\uc18c \ucde8\uc131\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \uc800\uc218\uc18c \uc804\uadf9\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT):<\/strong>\u00a0SAE 4140 \ud569\uae08\uc758 \ub192\uc740 \ud53c\ub85c \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\ub824\uba74 \uc6a9\uc811 \uc9c1\ud6c4 \ub0b4\ubd80 \uc751\ub825\uc744 \ud574\uc18c\ud558\uae30 \uc704\ud574 \uc11c\uc11c\ud788 \ub0c9\uac01\ud558\uace0 \ub2f4\uae08\uc9c8\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<p><strong>\uc131\ud615 \ubc0f \ub2e8\uc870 \uac00\uc774\ub4dc\ub77c\uc778<\/strong><br \/>\n\ub2f9\uc0ac\uc758 4140 \ud569\uae08\uac15\uc740 \uae08\ud615 \uac00\uacf5 \uc911\uc5d0\ub3c4 \uc6b0\uc218\ud55c \uad6c\uc870\uc801 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub2e8\uc870:<\/strong>\u00a01700\u00b0F\uc5d0\uc11c 2200\u00b0F(925\u00b0C~1200\u00b0C) \uc0ac\uc774\uc758 \uc628\ub3c4\uc5d0\uc11c \uc218\ud589\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub0c9\uac01 \uc81c\uc5b4:<\/strong>\u00a0\ub2e8\uc870 \ud6c4\uc5d0\ub294 \uc5f4 \uc751\ub825 \uade0\uc5f4\uc744 \ud53c\ud558\uae30 \uc704\ud574 \ubaa8\ub798\ub098 \uac00\ub9c8\uc640 \uac19\uc740 \uc81c\uc5b4\ub41c \ud658\uacbd\uc5d0\uc11c \ucc9c\ucc9c\ud788 \ub0c9\uac01\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub0c9\uac04 \uc131\ud615:<\/strong>\u00a0\uc18c\uc131 \uc0c1\ud0dc\uc758 4140\uc740 \uc6b0\uc218\ud55c \uc5f0\uc131\uc744 \ubcf4\uc5ec \uc77c\ubc18\uc801\uc778 \uad7d\ud798 \ubc0f \uc131\ud615 \uacf5\uc815\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc815\ubc00 \uc808\ub2e8, \uc815\ubc00 \uac00\uacf5, \uc9c4\uacf5 \uc5f4\ucc98\ub9ac\ub97c \uacb0\ud569\ud558\uc5ec \uc81c\uc870 \uc900\ube44\uac00 \uc644\ub8cc\ub41c 4140 \uac15\uc744 \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \ub0a9\uae30\uc640 \uac00\uacf5 \ube44\uc6a9\uc744 \uc904\uc785\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15\uc758 \uc751\uc6a9\uacfc \uc0b0\uc5c5<\/h2>\n<p>4140 \ud569\uae08\uac15\uc740 \ubbf8\uad6d \uc0b0\uc5c5\uacc4 \uc804\ubc18\uc758 \uc911\ud558\uc911 \ubd80\ud488\uc5d0 \ub300\ud55c \uae30\ubcf8 \uc120\ud0dd\uc785\ub2c8\ub2e4. \ub192\uc740 \ud53c\ub85c\uac15\ub3c4\uc640 \ucda9\uaca9 \uc800\ud56d\uc73c\ub85c \uc9c0\uc18d\uc801\uc778 \ud558\uc911\uc5d0 \uacac\ub514\ub294 \ubd80\ud488\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ub192\uc740 \uc2e0\ub8b0\ub3c4\uc758 Cr-Mo \uac15\uc744 \ud544\uc694\ub85c \ud558\uba70 \uace0\ud1a0\ud06c \ubc0f \uace0\ud558\uc911 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc644\uc804\uc131\uc744 \uc720\uc9c0\ud558\ub294 \uacf5\uc815\uc5d0 \uc774 \uc7ac\ub8cc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc77c\ubc18 \ubd80\ud488 \ubc0f \ud558\ub4dc\uc6e8\uc5b4<\/h3>\n<ul>\n<li><strong>\uc804\ub825 \uc804\uc1a1:<\/strong>\u00a0\uc911\uc7a5\ube44 \uc0e4\ud504\ud2b8, \uc815\ubc00 \uae30\uc5b4 \ubc0f \uacac\uace0\ud55c \uc561\uc2ac.<\/li>\n<li><strong>\uc0b0\uc5c5\uc6a9 \ud328\uc2a4\ub108:<\/strong>\u00a0\uad6c\uc870 \uc870\ub9bd\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uace0\uc778\uc7a5\ub825 \ubcfc\ud2b8, \uc2a4\ud130\ub4dc \ubc0f \ub108\ud2b8.<\/li>\n<li><strong>\uc5d4\uc9c4 \ubd80\ud488:<\/strong>\u00a0\ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \uc5f0\uacb0\ubd09 \ubc0f \uc870\ud5a5 \ub108\ud074.<\/li>\n<li><strong>\uacf5\uad6c:<\/strong>\u00a0\ucf5c\ub9ac\ud2b8, \uc774\uc81d\ud130 \ud540 \ubc0f \ub2e4\uc591\ud55c \uad6c\uc870\uc6a9 \uacf5\uad6c \ud640\ub354.<\/li>\n<\/ul>\n<h3>\ud575\uc2ec \uc0b0\uc5c5 \ucd08\uc810<\/h3>\n<p>4140 \ud569\uae08\uac15 \uc7ac\uace0\ub294 \uad6d\ub0b4\uc5d0\uc11c \uac00\uc7a5 \uae4c\ub2e4\ub85c\uc6b4 \ubd84\uc57c\ub97c \ub4b7\ubc1b\uce68\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc790\ub3d9\ucc28:<\/strong>\u00a0\uc6b0\ub9ac\ub294 \uad6c\ub3d9\uacc4 \ubd80\ud488\uacfc \uc6b0\uc218\ud55c \ube44\ud2c0\ub9bc \uac15\ub3c4\uac00 \ud544\uc694\ud55c \uace0\uc131\ub2a5 \ub808\uc774\uc2f1 \ubd80\ud488\uc5d0 \uc801\ud569\ud55c \uace0\uac15\ub3c4 \uc7ac\ub8cc\ub97c \uacf5\uae09\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11d\uc720 \ubc0f \uac00\uc2a4:<\/strong>\u00a0\ub4dc\ub9b4 \uce7c\ub85c\ub9ac, \ub3c4\uad6c \uc870\uc778\ud2b8 \ubc0f \ubc38\ube0c \ubd80\ud488\uc5d0 \uad11\ubc94\uc704\ud558\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud3c9\uac00 \uc2dc\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/alloy-steel-vs-stainless-steel\/\">\ud569\uae08\uac15 \ub300 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/a>\u00a0\ub2e4\uc6b4\ud640 \ub3c4\uad6c\uc758 \uacbd\uc6b0 \ud0c1\uc6d4\ud55c \uacbd\ud654\uc131 \ubc0f \uc778\uc131\uc73c\ub85c \uc778\ud574 4140\uc774 \uc120\ud638\ub418\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud56d\uacf5\uc6b0\uc8fc:<\/strong>\u00a0\ud544\uc218\uc801: \uc7ac\ub8cc\uc758 \uc2e0\ub8b0\uc131\uc774 \uc548\uc804 \uc694\uad6c\uc0ac\ud56d\uc778 \ucc29\ub959\uc7a5\uce58 \ubd80\ud488 \ubc0f \uad6c\uc870\uc6a9 \ud53c\ud305\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc81c\uc870 \ubc0f \uae30\uacc4 \ubd84\uc57c:<\/strong>\u00a0\uc720\uc555 \uae30\uacc4 \ubd80\ud488, \ucee8\ubca0\uc774\uc5b4 \ub864\ub7ec \ubc0f \ub300\ud615 \uc0b0\uc5c5 \uae30\uc5b4\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>Various \ud615\ud0dc\uc758 4140 \ub300\ub7c9 \uc7ac\uace0\ub97c \uc720\uc9c0\ud568\uc73c\ub85c\uc368 \uc774\ub7ec\ud55c \ud575\uc2ec \uc0b0\uc5c5\uc774 \uacf5\uae09\ub9dd \uc9c0\uc5f0 \uc5c6\uc774 \uacc4\uc18d \uc6c0\uc9c1\uc774\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15 \uc7ac\ub8cc \ube44\uad50 \ubc0f \uc720\uc0ac \uc7ac\ub8cc<\/h2>\n<p>\uc801\ud569\ud55c \ub4f1\uae09 \uc120\ud0dd\uc740 \ud2b9\uc815 \uc131\ub2a5 \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74\uc5d0\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc740 \uac00\uc7a5 \ub2e4\ubaa9\uc801 Cr-Mo \ub4f1\uae09\uc774\uc9c0\ub9cc 4130 \ubc0f 4340\uacfc\uc758 \ube44\uad50\ub97c \uc774\ud574\ud558\uba74 \uac15\ub3c4, \uc778\uc131 \ub610\ub294 \uc6a9\uc811\uc131\uc5d0 \ub9de\ucdb0 \ucd5c\uc801\ud654\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3>4140 \ub300 4130 \ub300 4340<\/h3>\n<ul>\n<li><strong>4140 \ub300 4130:<\/strong>\u00a04130\uc740 \ud0c4\uc18c \ud568\ub7c9\uc774 \ub354 \ub0ae\uc544(\uc57d 0.30%) \uc6a9\uc811\uc774 \uc26c\uc6b0\ub098 \uac15\ud654 \uac00\ub2a5\uc131\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.\u00a0<strong>4140 \uac15<\/strong>\u00a0(\uc57d 0.40% \ud0c4\uc18c) \uc5f4\ucc98\ub9ac \ud6c4 \ub354 \ub192\uc740 \uac15\ub3c4\uc640 \ub9c8\ubaa8 \uc800\ud56d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>4140 \ub300 4340:<\/strong>\u00a04340\uc740 \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub364 \ud569\uae08\uc785\ub2c8\ub2e4. \ub2c8\ucf08\uc758 \ucca8\uac00\ub85c \ub354 \ub098\uc740 \uc778\uc131\uacfc \uc544\uc8fc \ub450\uaebc\uc6b4 \ub2e8\uba74\uc5d0\uc11c\uc758 \uade0\uc77c \uacbd\ud654\uc131\uc774 \ud5a5\uc0c1\ub418\uc5b4 4140\uc774 \ud575\uc2ec \uac15\ub3c4\ub97c \uc783\uc744 \uc218 \uc788\ub294 \uacbd\uc6b0\ub97c \ubcf4\uc644\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\ud2b9\uc9d5<\/th>\n<th>AISI 4130<\/th>\n<th>AISI 4140<\/th>\n<th>AISI 4340<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\ud0c4\uc18c \ud568\ub7c9<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \ub0ae\uc740 (~0.30%)<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\uc911\uac04 (~0.40%)<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\uc911\uac04 (~0.40%)<\/td>\n<\/tr>\n<tr>\n<td><strong>\uacbd\ud654 \uac00\ub2a5\uc131<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\uc911\uac04<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \ub192\uc74c<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0\uc6b0\uc218\ud55c<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc6a9\uc811\uc131<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \uc6b0\uc218\ud568<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\uc6b0\uc218\ud568(\uc120\ucc98\ub9ac \ud544\uc694)<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \uacf5\uc815(\ub09c\uc774\ub3c4 \uc788\uc74c)<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc5f0\uc131<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\ub192\uc74c<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \ub192\uc74c<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \ub9e4\uc6b0 \ub192\uc74c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\uad6d\uc81c \ub4f1\uac00 \ub4f1\uae09<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uacf5\uae09\ud569\ub2c8\ub2e4.\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc804 \uc138\uacc4 \ud45c\uc900\uc744 \ucda9\uc871\ud558\uac70\ub098 \uc774\ub97c \uc0c1\ud68c\ud569\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8 \uba85\uc138\uc11c\uc5d0\uc11c \uad6d\uc81c \ud45c\uae30\uba85\uc744 \uc694\uad6c\ud558\ub294 \uacbd\uc6b0, \ub2f9\uc0ac\uac00 \uc7ac\uace0\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc9c1\uc811\uc801\uc778 \uae30\ub2a5\uc801 \ub4f1\uac00\ubb3c\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\ud45c\uc900<\/th>\n<th>\ub4f1\uac00 \ub4f1\uae09<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uc720\ub7fd(EN\/DIN)<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a042CrMo4 \/ 1.7225<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc77c\ubcf8\uc5b4 (JIS)<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0SCM440<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc911\uad6d\uc5b4 (GB)<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 42CrMo<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc601\uad6d (BS)<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 708M40 \/ EN19<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\ub2e4\uc591\ud55c \uc81c\uc870 \uacbd\ub85c\ub97c \ud3c9\uac00\ud558\ub294 \uae30\uc5c5\uc744 \uc704\ud55c \ub2f9\uc0ac\uc758 \uc804\ubb38\uc131\uc740 \uc120\ub3c4\uc801\uc778\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/steel-casting-company-2\/\">\uac15\ucca0 \uc8fc\uc870 \ud68c\uc0ac<\/a>\u00a0\ub2e8, \ub2e8\uc870 \ubc14, \ud50c\ub808\uc774\ud2b8 \ub610\ub294 \ub9de\ucda4\ud615 \ube14\ub85d\uc774 \ud544\uc694\ud558\ub354\ub77c\ub3c4 4140 \uc7ac\ub8cc\uc758 \ud654\ud559\uc801 \ubb34\uacb0\uc131\uacfc \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uac01 \uad50\ucc28 \ucc38\uc870 \ub4f1\uae09\uc774 \uc801\uc6a9 \uc694\uad6c\uc0ac\ud56d\uc5d0 \uc815\ud655\ud788 \ubd80\ud569\ud558\ub3c4\ub85d \uc5c4\uaca9\ud55c \ucd94\uc801\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15\uc758 \ud45c\uc900 \ubc0f \ud488\uc9c8 \uc778\uc99d<\/h2>\n<p>\uc800\ud76c \uc2dc\uc124\uc744 \ub5a0\ub098\ub294 \ubaa8\ub4e0 \uc7ac\ub8cc\uc5d0 \ub300\ud574 \uc5c4\uaca9\ud55c \uad00\ub9ac\uac00 \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \ub2f9\uc0ac\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\ub294 \uc778\uc815\ub41c \uae00\ub85c\ubc8c \ud45c\uc900\uc5d0 \ub530\ub77c \uc81c\uc870 \ubc0f \uacf5\uae09\ub418\uba70, \uad6d\ub0b4 \uc0b0\uc5c5 \uc2dc\uc7a5\uc758 \ub192\uc740 \uc131\ub2a5 \uc694\uad6c\ub97c \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud45c\uc900 \uc900\uc218:<\/strong>\u00a0\ub2f9\uc0ac\ub294 \ub2e4\uc74c\uc5d0 \ubd80\ud569\ud558\ub294 \uc7ac\ub8cc\ub97c \uacf5\uae09\ud569\ub2c8\ub2e4\u00a0<strong>ASTM A29<\/strong>,\u00a0<strong>AISI\/SAE<\/strong>, \ubc0f\u00a0<strong>AMS<\/strong>\u00a0\uc2a4\ud399. \uc774\ub85c\uc368 Cr-Mo \ud654\ud559\uc131\ubd84\uacfc \uae30\uacc4\uc801 \uc644\uc804\uc131\uc774 \ubaa8\ub4e0 \ubc30\uce58\uc5d0\uc11c \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ubc00 \ud14c\uc2a4\ud2b8 \uc778\uc99d\uc11c(MTC)<\/strong>\u00a0\ud22c\uba85\uc131\uc740 \uc591\ubcf4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ubaa8\ub4e0 \uc8fc\ubb38\uc5d0\ub294 \uc6d0\ub8cc\ub85c\ubd80\ud130 \uc644\uc81c\ud488\uae4c\uc9c0\uc758 \uc804\uccb4 \ucd94\uc801\uc131\uc744 \uc81c\uacf5\ud558\ub294 \uc885\ud569\uc801\uc778 \ubab0\ud2b8 \ud14c\uc2a4\ud2b8 \uc778\uc99d\uc11c\uac00 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>ISO 9001 \uc778\uc99d:<\/strong>\u00a0\ub2f9\uc0ac\uc758 \ud488\uc9c8\uacbd\uc601 \uc2dc\uc2a4\ud15c\uc740 ISO 9001 \ud45c\uc900\uc5d0 \ub530\ub77c \uc778\uc99d\ub418\uc5b4 \uc788\uc73c\uba70, \uc815\ubc00\ub3c4, \uc2e0\ub8b0\uc131 \ubc0f \uc9c0\uc18d\uc801 \uac1c\uc120\uc5d0 \uc911\uc810\uc744 \ub461\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc6b0\uc218\uc131\uc5d0 \ub300\ud55c \uc6b0\ub9ac\uc758 \uc57d\uc18d\uc740 \uc790\uc138\ud55c \ub0b4\uc6a9\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/technology\/testing-and-quality\/\">\ud14c\uc2a4\ud2b8 \ubc0f \ud488\uc9c8 \ubcf4\uc99d \ud504\ub85c\ud1a0\ucf5c<\/a>\u00a0\uacbd\ub3c4, \uc778\uc7a5\uac15\ub3c4 \ubc0f \ub0b4\ubd80 \uac74\uc804\uc131\uc744 \ud655\uc778\ud558\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4. \ub2f9\uc0ac\ub85c\ubd80\ud130 \uc870\ub2ec\ud558\uba74\u00a0<strong>AISI 4140 \uc2a4\ud2f8<\/strong>\u00a0\uc804\ubb38 \uac80\uc0ac\uc640 \uc5c5\uacc4 \ud45c\uc900 \ubb38\uc11c\ub85c \uac80\uc99d\ub41c \uc81c\ud488\uc744 \uc5bb\ub294 \uac83\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \ub2e8\uc21c\ud788 \uac15\uc7ac\ub97c \uacf5\uae09\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uac80\uc99d\ub41c \uc7ac\ub8cc \uc131\ub2a5\uacfc \uc644\uc804\ud55c \uac10\uc0ac\uc900\ube44\ub97c \uac16\ucd98 \ud3c9\ud654\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15\uc744 \uc120\ud0dd\ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p><img decoding=\"async\" class=\"alignnone  wp-image-1286\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1-300x222.jpg\" alt=\"\" width=\"420\" height=\"311\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1-300x222.jpg 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1-1024x759.jpg 1024w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1-768x569.jpg 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1-16x12.jpg 16w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1-600x445.jpg 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4140-alloy-steel-1.jpg 1316w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/><\/p>\n<p>\uc6b0\ub9ac\ub294 \uc120\ub450\uc801\uc778\u00a0<strong>4140 \ud569\uae08\uac15 \uacf5\uae09\uc5c5\uccb4<\/strong>\u00a0\uc73c\ub85c 30,000\ud1a4\uc774 \ub118\ub294 \ubc29\ub300\ud55c \uc7ac\uace0\ub97c \ubcf4\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uacf5\uc7a5 \uc9c1\ud310 \ubaa8\ub378\uc740 \uc911\uac1c\uc0c1\uc744 \uc81c\uac70\ud558\uc5ec\u00a0<strong>\uc7ac\ub8cc 4140 \ud569\uae08\uac15<\/strong>. \uac00\uc7a5 \uacbd\uc7c1\ub825 \uc788\ub294 \ub3c4\ub9e4 \ubc0f \uc18c\ub9e4 \uac00\uaca9\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uac00\ub2a5\ud55c \ud55c \uc9e7\uc740 \ub9ac\ub4dc\ud0c0\uc784\uc73c\ub85c Cr-Mo \uc194\ub8e8\uc158\uc758 \uace0\ud488\uc9c8 \uacf5\uae09\uc5d0 \uc9d1\uc911\ud558\uc5ec \uc6b4\uc601\uc774 \uc6d0\ud65c\ud558\uac8c \uc9c4\ud589\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc6d0\uc2a4\ud1b1 \uc0b0\uc5c5 \uc194\ub8e8\uc158<\/h3>\n<p>\uc6d0\uc7ac\ub8cc \uc18c\uc2f1\uc5d0\uc11c \uc815\ubc00 \uac00\uacf5\uae4c\uc9c0 \ubaa8\ub4e0 \uac83\uc744 \uc544\uc6b0\ub974\ub294 \ud3ec\uad04\uc801\uc778 \uc11c\ube44\uc2a4 \uccb4\uc778\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc800\ud76c \uc2dc\uc124\uc740 \uc815\ud655\ud55c \uce58\uc218 \ud5c8\uc6a9\uc624\ucc28\uc5d0 \ub9de\ucdb0 \ub9de\ucda4 \uc808\ub2e8, \ubbf8\uc138 \ubc00\ub9c1, \uc5f0\ub9c8 \ubc0f \uc5f0\ub9c8\ub97c \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \uc870\uc815\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8\uc801\uc778 \uacf5\uae09\uc744 \ub118\uc5b4, \uc6b0\ub9ac\ub294 \uc804\ubb38\ud654\ub41c\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/product\/high-temperature-nickel-alloy-springs-machining-service\/\">\uace0\uc628 \ub2c8\ucf08 \ud569\uae08 \uc2a4\ud504\ub9c1 \uac00\uacf5 \uc11c\ube44\uc2a4<\/a>\u00a0\ubcf5\uc7a1\ud55c \uc0b0\uc5c5 \uc694\uad6c\ub97c \uc704\ud55c \ub2e4\ub978 \uc815\ubc00 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc5ed\ub7c9.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\uc11c\ube44\uc2a4 \ud2b9\uc9d5<\/th>\n<th>\ub300\uaddc\ubaa8 \uc7ac\ub8cc \uc6b0\uc704<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uc7ac\uace0<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a030,000+ \ud1a4\uc758 <strong>4140 \uc6d0\ud615 \ubc14<\/strong>, \ud310, \ubc0f \ub9de\ucda4 \ube14\ub85d<\/td>\n<\/tr>\n<tr>\n<td><strong>\uac00\uacf5<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \uc815\ubc00 CNC \uc808\ub2e8, \ubc00\ub9c1 \ubc0f \ud45c\uba74 \uc5f0\uc0ad<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc5f4\ucc98\ub9ac<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\uc804\ubb38 \uc9c4\uacf5 \uc5f4\ucc98\ub9ac, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1<\/td>\n<\/tr>\n<tr>\n<td><strong>\ud488\uc9c8 \uad00\ub9ac<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \uc7ac\ub8cc \ucd94\uc801\uc131 \uc5c4\uaca9\ud55c ISO9001 \uc778\uc99d<\/td>\n<\/tr>\n<tr>\n<td><strong>\uac00\uaca9<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\ub300\ub7c9 \ubc0f \uc18c\ub9e4 \uc8fc\ubb38\uc5d0 \ub300\ud55c \uc9c1\uc811 \uacf5\uc7a5 \ub3c4\ub9e4\uac00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\uae30\uc220 \uc804\ubb38 \uc9c0\uc2dd \ubc0f \uae00\ub85c\ubc8c \ub3c4\ub2ec \ubc94\uc704<\/h3>\n<p>\uc800\ud76c \uae30\uc220 \ud300\uc740 \uc5f4\ucc98\ub9ac \ub9e4\uac1c\ubcc0\uc218 \ubc0f \uc7ac\ub8cc \uc120\ud0dd\uc5d0 \ub300\ud574 \uc804\ubb38\uc801\uc778 \uc9c0\uce68\uc744 \uc81c\uacf5\ud558\uc5ec \uadc0\ud558\uc758\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uace0\ud558 \uc2a4\ud2b8\ub808\uc2a4 \uc870\uac74\uc5d0\uc11c \uc644\ubcbd\ud558\uac8c \uc791\ub3d9\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \uc800\ud76c\ub294 \ud6a8\uc728\uc801\uc778 \ubb3c\ub958\uc640 \ube60\ub978 \ub300\uc751 \uc2dc\uac04\uc73c\ub85c \uad6d\uc81c \uc2dc\uc7a5\uc744 \ud3ec\ud568\ud55c \uc804 \uc138\uacc4\uc5d0 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc800\uc640 \ud611\ub825\ud558\uba74 \uc804\ubb38 \uae30\uc220 \uc9c0\uc6d0\uacfc \ud488\uc9c8 \ubcf4\uc99d\uc5d0 \ub300\ud55c \uc57d\uc18d\uc744 \ub2f4\uc740 \uace0\uac15\ub3c4, \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc7ac\ub8cc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>4140 \ud569\uae08\uac15 FAQ<\/h2>\n<p>\uc120\ub3c4\uc801\uc778\u00a0<strong>4140 \uac15\uc7ac \uacf5\uae09\uc790<\/strong>, \uc6b0\ub9ac\ub294 \uc774 Cr-Mo \ub4f1\uae09\uc758 \uc131\ub2a5 \ubc0f \uac00\uacf5\uc5d0 \uad00\ud55c \uc7a6\uc740 \uae30\uc220 \ubb38\uc758\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \ud504\ub85c\uc81d\ud2b8 \uacc4\ud68d\uc5d0 \ud544\uc694\ud55c \ud575\uc2ec \uc0ac\uc2e4\ub4e4\uc785\ub2c8\ub2e4.<\/p>\n<h3>\uc5b4\ub2d0\ub9c1\ub41c 4140\uacfc Q&amp;T 4140\uc758 \ucc28\uc774\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h3>\n<p>\uc801\uc808\ud55c \uacf5\uae09 \uc0c1\ud0dc\uc758 \uc120\ud0dd\uc740 \uac00\uacf5 \ub2a5\ub825\uacfc \ucd5c\uc885 \ubd80\ud488 \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc5b4\ub2d0\ub9c1\ub41c 4140:<\/strong>\u00a0\uc774 \uc7ac\ub8cc\ub294 \uac00\ub2a5\ud55c \ud55c \ubd80\ub4dc\ub7fd\uac8c \uac00\uacf5\ub418\ub3c4\ub85d \ucc98\ub9ac\ub429\ub2c8\ub2e4. \uac00\uc7a5 \uc6b0\uc218\ud55c \uae30\uacc4\uac00\uacf5\uc131\uc744 \uc81c\uacf5\ud558\ubbc0\ub85c \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc758 \ubd80\ud488\uc5d0 \uc120\ud638\ub418\ub294 \uc120\ud0dd\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uadf8\uac83\uc740\u00a0<strong>4140 \uc5f4\ucc98\ub9ac<\/strong>\u00a0\uac00\uacf5 \ud6c4 \ub192\uc740 \uac15\ub3c4 \uc218\uc900\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc704\ud574 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1(Q&amp;T):<\/strong>\u00a0\ub610\ud55c \uc54c\ub824\uc9c4\u00a0<strong>4140 \uc608\ube44 \uacbd\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4<\/strong>\u00a0\uac15\uc7ac. \uc774\ub97c \uc900\ube44\ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ud569\ub2c8\ub2e4. \ucd94\uac00 \uc5f4\ucc98\ub9ac\uac00 \ud544\uc694 \uc5c6\uac8c \ud558\uc5ec \ud30c\ud2b8 \uc65c\uace1\uc774\ub098 \uade0 \uc5f4\ub9bc \uc704\ud5d8\uc744 \uc904\uc774\uc9c0\ub9cc, \uc808\ub2e8 \ub3c4\uad6c\uc5d0\ub294 \ub354 \uac00\ud639\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc804\ud615\uc801\uc778 4140 \uacbd\ub3c4 \uc218\uc900<\/h3>\n<p>\uacbd\ub3c4\ub294 \uc5f4\ucc98\ub9ac \uc801\uc6a9\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4\u00a0<strong>AISI 4140 \uc2a4\ud2f8<\/strong>.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\uc0c1\ud0dc<\/th>\n<th>\uacbd\ub3c4(\uc804\ud615\uc801)<\/th>\n<th>\ucd5c\uc801 \uc6a9\ub3c4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uc5b4\ub2d0\ub4dc<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2264 217 HBW<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \ubcf5\ud569 \ubc00\ub9c1 \ubc0f \ub4dc\ub9b4\ub9c1<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc0ac\uc804 \uacbd\ud654(\ud01c\uce6d\/\ud15c\ud37c\ub9c1)<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a028 \u2013 32 HRC<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\ub300\ud615 \uc0e4\ud504\ud2b8 \ubc0f \ubcfc\ud2b8<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc644\uc804 \uacbd\ud654<\/strong><\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a050 \u2013 55 HRC<\/td>\n<td>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \uace0\ub9c8\ubaa8 \uc0b0\uc5c5\uc6a9 \ubd80\ud488<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>4140 \ud569\uae08\uac15\uc740 \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c\uac00?<\/h3>\n<p>\uc608, \uadf8\ub7ec\ub098 \uacbd\ud654\uc131\uc73c\ub85c \uc778\ud574 \ud2b9\uc815 \uc808\ucc28\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.\u00a0<strong>4140 \ud569\uae08\uac15<\/strong>\u00a0\uc6a9\uc811\ud558\uba74 \ucc28\uac11\uac8c \uae68\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc608\uc5f4:<\/strong>\u00a0400\u00b0F\uc5d0\uc11c 600\u00b0F \uc0ac\uc774\uc758 \uc628\ub3c4\ub97c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac(PWHT):<\/strong>\u00a0\ub290\ub9b0 \ub0c9\uac01 \ubc0f \uc751\ub825 \ud574\uc18c\ub294 \uc7ac\ub8cc\uc758 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \ud544\uc218\uc785\ub2c8\ub2e4.\u00a0<strong>4140 \uacbd\ud654 \ubc0f \ub2f4\uae08\uc9c8<\/strong>\u00a0\ud2b9\uc131\ub4e4.<\/li>\n<li><strong>\ubcf4\ucda9 \uae08\uc18d:<\/strong>\u00a0\uc218\uc18c \ucde8\uc131\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc800\uc218\uc18c \uc804\uadf9\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n<h3>\uc65c \uc6b0\ub9ac\ub85c\ubd80\ud130 4140\uc744 \uc18c\uc2f1\ud569\ub2c8\uae4c?<\/h3>\n<p>\uc6b0\ub9ac\ub294 \ub300\ub7c9 \uc7ac\uace0\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4\u00a0<strong>\uc7ac\ub8cc 4140 \ud569\uae08\uac15<\/strong>\u00a0\uc6d0\ud615 \ubc14\uc640 \ud310\uc5d0\uc11c. \ub2f9\uc0ac \uc2dc\uc124\uc740 \uc815\ubc00 \uc808\ub2e8 \ubc0f \ub9de\ucda4\ud615 \ubc00\ub9c1\uc744 \uc81c\uacf5\ud558\uc5ec \uc7ac\ub8cc\uac00 \uadc0\ud558\uc758 \uc801\uc6a9\uc5d0 \ud544\uc694\ud55c \uc815\ud655\ud55c \uacf5\ucc28\ub85c \ub3c4\ucc29\ud558\ub3c4\ub85d \ud569\ub2c8\ub2e4. \ub2f9\uc0ac \uacf5\uc7a5\uc5d0\uc11c \uc9c1\uc811 \uc18c\uc2f1\ud568\uc73c\ub85c\uc368 \ud654\ud559 \uc870\uc131\uc774 \uc77c\uad00\ub418\uace0 \uc644\uc804\ud55c \ucd94\uc801 \uac00\ub2a5\ud55c \ubc00 \uc2dc\ud5d8 \uc778\uc99d\uc11c\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>4140 Alloy Steel: High-Strength Cr-Mo Solutions Finding a material that handles extreme stress without sacrificing toughness is a constant challenge [&hellip;]<\/p>\n","protected":false},"featured_media":1285,"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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