{"id":13137,"date":"2026-08-07T09:01:51","date_gmt":"2026-08-07T09:01:51","guid":{"rendered":"https:\/\/weldomachining.com\/?p=13137"},"modified":"2026-08-07T09:14:18","modified_gmt":"2026-08-07T09:14:18","slug":"4340-vs-4140-steel","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ko\/4340-vs-4140-steel\/","title":{"rendered":"4340\uac15\uacfc 4140\uac15\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">4340\uac15\uacfc 4140\uac15\uc744 \ube44\uad50\ud574 \ubcf4\uba74, \ub450 \uc7ac\ub8cc \ubaa8\ub450 \ucd95, \uae30\uc5b4, \uccb4\uacb0 \ubd80\ud488 \ubc0f \ubcc0\uc18d\uae30 \ubd80\ud488\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uc800\ud569\uae08\uac15\uc73c\ub85c \ub450\uac01\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub7ec\ub098 \uc774 \ub450 \uc7ac\ub8cc\ub294 \uc11c\ub85c \uc9c1\uc811\uc801\uc73c\ub85c \ub300\uccb4\ud560 \uc218 \uc788\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ub2e8\uba74 \ud06c\uae30, \ucda9\uaca9 \ud558\uc911, \ud53c\ub85c \uc218\uba85, \uc81c\uc870 \ube44\uc6a9 \ub4f1\uc774 \ubaa8\ub450 \uc7ac\ub8cc \uc120\uc815\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac04\ub2e8\ud788 \ub9d0\ud574, 4140\uac15\uc740 \uc131\ub2a5\uacfc \ube44\uc6a9 \uba74\uc5d0\uc11c \ub6f0\uc5b4\ub09c \uade0\ud615\uc744 \uac16\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubc18\uba74, 4340\uac15\uc740 \ub2e8\uba74\uc774 \ud070 \ubd80\uc7ac\ub098 \ub192\uc740 \ucda9\uaca9 \ud558\uc911\uc744 \ubc1b\uac70\ub098 \ud30c\uc190 \uc704\ud5d8\uc774 \ub192\uc740 \ubd80\ud488\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uae30\uc0ac\uc5d0\uc11c\ub294 \uc774\ub4e4 \uc81c\ud488\uc758 \uad6d\uc81c \ud45c\uc900, \ud654\ud559 \uc870\uc131, \ud2b9\uc131, \uc81c\uc870 \uacf5\uc815, \ube44\uc6a9 \ubc0f \uc6a9\ub3c4\ub97c \ube44\uad50\ud55c\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"476\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/4340-vs-4140-steel.webp\" alt=\"4340\uac15 vs 4140\uac15\" class=\"wp-image-13139\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/4340-vs-4140-steel.webp 750w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/4340-vs-4140-steel-300x190.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/08\/4340-vs-4140-steel-18x12.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4140\uac15\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4140\uac15<\/strong> \uc911\ud0c4\uc18c \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \uc800\ud569\uae08\uac15\uc785\ub2c8\ub2e4. \uc774 \uac15\uc885\uc740 \uc6b0\uc218\ud55c \uac15\ub3c4, \uc778\uc131 \ubc0f \uacbd\ud654\uc131\uc744 \uac16\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c 4140\uac15\uc740 \ucd95, \uae30\uc5b4, \uc2a4\ud504\ub85c\ud0b7, \ubcfc\ud2b8 \ubc0f \uacf5\uad6c \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \uc798 \uad6c\ucd95\ub41c \uacf5\uae09\ub9dd \ub355\ubd84\uc5d0 \uc870\ub2ec \ube44\uc6a9\uc744 \uc808\uac10\ud558\ub294 \ub370\ub3c4 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uac15\uc7ac\ub294 \uc911\uac04 \uacbd\ud654\uc131 \uac15\uc7ac\uc785\ub2c8\ub2e4. \ub2e8\uba74 \ud06c\uae30\uac00 \ucee4\uc9c8\uc218\ub85d \uc2ec\ubd80\uc758 \uacbd\ub3c4\uc640 \uac15\ub3c4\ub294 \ud45c\uba74\ubcf4\ub2e4 \ub0ae\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"700\" height=\"590\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material.webp\" alt=\"4140\uac15\uc7ac\" class=\"wp-image-11495\" style=\"width:500px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material-300x253.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material-14x12.webp 14w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340\uac15\uc774\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4340\uac15<\/strong> \uc911\ud0c4\uc18c \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \uc800\ud569\uae08\uac15\uc785\ub2c8\ub2e4. \ub2c8\ucf08 \ud568\ub7c9\uc740 4340\uacfc 4140\uc758 \uc8fc\uc694 \uc131\ubd84 \ucc28\uc774\uc810\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \ub354 \ub192\uc740 \uacbd\ud654\uc131\uacfc \uc778\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub610\ud55c \ub2e8\uba74\uc774 \ud070 \ubd80\ud488\uc758 \uacbd\uc6b0, \uc2ec\ubd80 \ud2b9\uc131\uc774 \ub354\uc6b1 \uade0\uc77c\ud558\uac8c \uc720\uc9c0\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc81c\ud488\uc740 \uace0\ubd80\ud558\uc6a9 \uc0e4\ud504\ud2b8, \ub192\uc740 \uc751\ub825\uc744 \ubc1b\ub294 \uae30\uc5b4 \ubc0f \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ubcc0\uc18d\uae30 \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \ub354 \uc5c4\uaca9\ud55c \uc18c\uc7ac \ubc0f \ud488\uc9c8 \uad00\ub9ac \uae30\uc900 \uc5ed\uc2dc \ube44\uc6a9\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-4.webp\" alt=\"AISI 4340 \ud074\ub7a8\ud504 \ub098\uc0ac\uc758 \uce21\uba74\ub3c4\" class=\"wp-image-10050\" style=\"width:500px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-4.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-4-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-4-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-4-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-4-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">aisi 4340 \ud074\ub7a8\ud504 \uc2a4\ud06c\ub958 \uce21\uba74\ub3c4 <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4140 \ubc0f 4340 \uac15\uc7ac\uc5d0 \ub300\ud55c \uad6d\uc81c \ud45c\uc900<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4140 \ubc0f 4340\uc740 SAE\/AISI \uaddc\uaca9 \uccb4\uacc4\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc774 \ub4f1\uae09\ub4e4\uc740 \uace0\uc815\ub41c \uacbd\ub3c4\ub098 \uac15\ub3c4 \uc218\uc900\uc774 \uc544\ub2c8\ub77c \ud654\ud559 \uc131\ubd84\uc758 \uc720\ud615\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc790\uc7ac\ub97c \uad6c\ub9e4\ud560 \ub54c\ub294 \uc81c\ud488 \uaddc\uaca9, \uc7ac\ub8cc \uc0c1\ud0dc \ubc0f \uac80\uc0ac \uc694\uac74\ub3c4 \uba85\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SAE\/AISI \ubc0f UNS \uba85\uce6d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SAE 4140\uc740 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uac15\uc744 \uc9c0\uce6d\ud569\ub2c8\ub2e4. SAE 4340\uc740 \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uac15\uc744 \uc9c0\uce6d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><th>\uc7ac\ub8cc<\/th><th>UNS \uba85\uce6d<\/th><\/tr><tr><td>4140<\/td><td>G41400<\/td><\/tr><tr><td>4340<\/td><td>G43400<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">UNS \uba85\uce6d\uc740 \uc7ac\ub8cc\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud55c \ud1b5\uc77c\ub41c \uae30\uc900\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub294 \ud574\ub2f9 \uc7ac\ub8cc\uac00 \ud56d\uacf5\uc6b0\uc8fc \ub610\ub294 \uad70\uc0ac \uc778\uc99d\uc744 \ubc1b\uc558\uc74c\uc744 \uc758\ubbf8\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 ASTM \ud45c\uc900<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>ASTM \ud45c\uc900<\/strong><\/td><td><strong>\uc8fc\uc694 \ubc94\uc704<\/strong><\/td><\/tr><tr><td>ASTM A29\/A29M<\/td><td>\uc5f4\uac04 \uc555\uc5f0 \ud0c4\uc18c\uac15 \ubc0f \ud569\uae08\uac15 \ubd09\uc7ac\uc5d0 \ub300\ud55c \uc77c\ubc18 \uc694\uad6c\uc0ac\ud56d<\/td><\/tr><tr><td>ASTM A322<\/td><td>\ud45c\uc900 \ub4f1\uae09 \ud569\uae08\uac15 \ubd09\uc7ac<\/td><\/tr><tr><td>ASTM A434\/A434M<\/td><td>\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c \ucc98\ub9ac\ub97c \uac70\uce5c \uc5f4\uac04 \uac00\uacf5 \ub610\ub294 \ub0c9\uac04 \uac00\uacf5 \ud569\uae08\uac15 \ubd09\uc7ac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">ASTM \ud45c\uc900\uc740 \uc81c\ud488 \ud615\ud0dc\uc640 \uacf5\uae09 \uc870\uac74\uc5d0 \ub530\ub77c \ubd84\ub958\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c \uad6c\ub9e4 \uc8fc\ubb38\uc11c\uc5d0\ub294 \ub4f1\uae09, \uce58\uc218 \ubc0f \uc5f4\ucc98\ub9ac \uc0c1\ud0dc\uac00 \uba85\uc2dc\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc77c\ubc18\uc801\uc778 AMS \ud56d\uacf5\uc6b0\uc8fc \uc7ac\ub8cc \uc0ac\uc591<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\uc7ac\ub8cc<\/strong><\/td><td><strong>AMS \uc0ac\uc591<\/strong><\/td><td><strong>\uc77c\ubc18\uc801\uc778 \uc801\uc6a9 \ubc94\uc704<\/strong><\/td><\/tr><tr><td>4140<\/td><td>AMS 6382<\/td><td>\ud56d\uacf5\uae30\uc6a9 \ubc14, \ub2e8\uc870\ud488 \ubc0f \ub9c1<\/td><\/tr><tr><td>4140<\/td><td>AMS 6349<\/td><td>\uc815\uc0c1\ud654 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc758 \uac15\ubd09<\/td><\/tr><tr><td>4340<\/td><td>AMS 6414<\/td><td>\ucd5c\uace0\uae09 \ud488\uc9c8\uc758 \ubd09\uc7ac, \ub2e8\uc870\ud488 \ubc0f \uae30\uacc4\uc6a9 \ud29c\ube0c<\/td><\/tr><tr><td>4340<\/td><td>AMS 6415<\/td><td>\ud56d\uacf5\uae30\uc6a9 \ubc14, \ub2e8\uc870\ud488 \ubc0f \uae30\uacc4\uc6a9 \ud29c\ube0c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud56d\uacf5\uc6b0\uc8fc \ud504\ub85c\uc81d\ud2b8\uc758 \uacbd\uc6b0 \uc6a9\uc735 \uacf5\uc815, \uccad\uc815\ub3c4 \ubc0f \ube44\ud30c\uad34 \uac80\uc0ac \uc694\uac74\ub3c4 \ucda9\uc871\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3c4\uba74\uc5d0 \uba85\uc2dc\ub41c \uc0ac\uc591 \uac1c\uc815 \ub0b4\uc6a9\uc774 \ucd5c\uc885\uc801\uc778 \ud6a8\ub825\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud45c\uc900\uc740 \uc790\uc7ac \uc778\uc99d\uacfc \ub3d9\uc77c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900\uc740 \uc7ac\ub8cc \uc694\uac74\uc744 \uaddc\uc815\ud569\ub2c8\ub2e4. MTC \ub610\ub294 MTR\uc740 \ud2b9\uc815 \ub85c\ud2b8\uac00 \ud574\ub2f9 \uc694\uac74\uc744 \ucda9\uc871\ud568\uc744 \uc785\uc99d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud574\ub2f9 \uc778\uc99d\uc11c\uc5d0\ub294 \ucd5c\uc18c\ud55c \ub2e4\uc74c \uc815\ubcf4\uac00 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc7ac\ub8cc \ub4f1\uae09 \ubc0f \uc801\uc6a9 \uae30\uc900;<\/li>\n\n\n\n<li>\ud788\ud2b8 \ubc88\ud638 \ubc0f \ubc30\uce58 \uc815\ubcf4;<\/li>\n\n\n\n<li>\uc2e4\uc81c \ud654\ud559 \uc870\uc131;<\/li>\n\n\n\n<li>\uacf5\uae09 \ubc0f \uc5f4\ucc98\ub9ac \uc870\uac74;<\/li>\n\n\n\n<li>\uacbd\ub3c4 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131;<\/li>\n\n\n\n<li>\uac80\uc0ac \uacb0\uacfc \ubc0f \uc81c\ud488 \uce58\uc218.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \uad6c\ub9e4 \uc8fc\ubb38\uc11c\uc5d0 \ub2e8\uc21c\ud788 \u201c4140\u201d\uc774\ub098 \u201c4340\u201d\uc774\ub77c\uace0\ub9cc \uae30\uc7ac\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc790\uc7ac \ucd94\uc801\uc131\uc744 \ud655\ubcf4\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc644\uc804\ud55c \uae30\uc220 \uc0ac\uc591\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4340\uac15\uacfc 4140\uac15\uc758 \ud654\ud559 \uc131\ubd84 \ube44\uad50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \ubc94\uc704\ub294 \ub2e4\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. <a href=\"https:\/\/www.sae.org\/standards\/j404_200006-chemical-compositions-sae-alloy-steels\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">SAE J404<\/a> \ubc0f ASTM A322. \ubaa8\ub4e0 \uc218\uce58\ub294 \uc9c8\ub7c9 \ubc31\ubd84\uc728\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc694\uc18c<\/td><td class=\"has-text-align-right\" data-align=\"right\">4140\uac15<\/td><td class=\"has-text-align-right\" data-align=\"right\">4340\uac15<\/td><\/tr><tr><td>\ud0c4\uc18c (C)<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.38%\u20130.43%<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.38%\u20130.43%<\/td><\/tr><tr><td>\ub9dd\uac04 (Mn)<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.75%\u20131.00%<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.60%\u20130.80%<\/td><\/tr><tr><td>\ud06c\ub86c(Cr)<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.80%\u20131.10%<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.70%\u20130.90%<\/td><\/tr><tr><td>\ub2c8\ucf08(Ni)<\/td><td class=\"has-text-align-right\" data-align=\"right\">\u2014*<\/td><td class=\"has-text-align-right\" data-align=\"right\">1.65%\u20132.00%<\/td><\/tr><tr><td>\ubab0\ub9ac\ube0c\ub374(Mo)<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.15%\u20130.25%<\/td><td class=\"has-text-align-right\" data-align=\"right\">0.20%\u20130.30%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ucc38\uace0<\/strong>: *\u201c\u2014\u201d\ub294 4140\uc5d0\uc11c \ub2c8\ucf08\uc774 \uc9c0\uc815\ub41c \ud569\uae08 \uc6d0\uc18c\uac00 \uc544\ub2d8\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \ub2c8\ucf08 \ud568\ub7c9\uc774 \uc808\ub300\uc801\uc73c\ub85c 0\uc774\ub77c\ub294 \ub73b\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ud45c\uc5d0\ub294 \ub450 \uac15\uc885\uc744 \uad6c\ubcc4\ud558\ub294 \uc8fc\uc694 \uc131\ubd84\ub9cc \ub098\uc5f4\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc2e4\ub9ac\ucf58, \uc778, \ud669\uc758 \ud568\ub7c9\uc740 \uc5ec\uc804\ud788 \uad6c\ub9e4 \uc8fc\ubb38\uc11c\uc5d0 \uba85\uc2dc\ub41c \ud45c\uc900\uc744 \uc900\uc218\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ud654\ud559 \uc870\uc131\uc758 \uc8fc\uc694 \ucc28\uc774\uc810<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uac15\uc885 \ubaa8\ub450 \ud0c4\uc18c \ud568\ub7c9 \ubc94\uc704\uac00 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ud0c4\uc18c\ub294 \uc5f4\ucc98\ub9ac \ud6c4 \uacbd\ub3c4\uc640 \uac15\ub3c4\uc758 \uae30\ucd08\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc5d0\ub294 1.65%\u20132.00%\uc758 \ub2c8\ucf08\uc774 \ud568\uc720\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ub2c8\ucf08\uc740 \ub192\uc740 \uac15\ub3c4 \uc218\uc900\uc5d0\uc11c \uc778\uc131, \uacbd\ud654\uc131 \ubc0f \ub0b4\ucda9\uaca9\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uac15\uc885 \ubaa8\ub450 \ud06c\ub86c\uacfc \ubab0\ub9ac\ube0c\ub374\uc744 \ud568\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud06c\ub86c\uc740 \uacbd\ud654\uc131\uacfc \ub0b4\ub9c8\ubaa8\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc18\uba74, \ubab0\ub9ac\ube0c\ub374\uc740 \ud15c\ud37c\ub9c1 \uc548\uc815\uc131\uc744 \ub192\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \ud569\uae08 \ud568\ub7c9\ub9cc\uc73c\ub85c\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uc218\uc900\uc758 \ub0b4\uc2dd\uc131\uc744 \ud655\ubcf4\ud558\uae30\uc5d0 \ubd80\uc871\ud569\ub2c8\ub2e4. \ub450 \uc7ac\ub8cc \ubaa8\ub450 \uc2b5\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 \ud45c\uba74 \ubcf4\ud638 \ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\ud798\uacfc \uac15\uc778\ud568<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uac15\ub3c4\ub294 \ubd80\ud488\uc774 \ud558\uc911\uc744 \uc9c0\ud0f1\ud560 \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc778\uc131\uc740 \ud30c\ub2e8\ub418\uc9c0 \uc54a\uace0 \ucda9\uaca9\uc744 \ud761\uc218\ud560 \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c 4140\uc740 \ub192\uc740 \uac15\ub3c4\ub97c \uc790\ub791\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5\uc6a9 \uc0e4\ud504\ud2b8, \uae30\uc5b4 \ubc0f \uccb4\uacb0 \ubd80\ud488\uc5d0 \uc694\uad6c\ub418\ub294 \ud558\uc911 \uc870\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3d9\uc77c\ud55c \uac15\ub3c4 \uc218\uc900\uc5d0\uc11c 4340\uc740 \ub354 \ub6f0\uc5b4\ub09c \uc778\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \ub610\ud55c 4140\ubcf4\ub2e4 \ucda9\uaca9 \ubc0f \ubc18\ubcf5 \ud558\uc911\uc5d0 \ub354 \uc798 \uacac\ub525\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\ud2b9\uc131<\/strong><\/td><td><strong>4140\uac15<\/strong><\/td><td><strong>4340\uac15<\/strong><\/td><\/tr><tr><td>\uac15\ub3c4 \uc218\uc900<\/td><td>\ub192\uc74c<\/td><td>\ub354 \ub192\uc74c<\/td><\/tr><tr><td>\ucda9\uaca9 \uc778\uc131<\/td><td>\uc88b\uc74c<\/td><td>\ub354 \ub192\uc74c<\/td><\/tr><tr><td>\ub0b4\ud53c\ub85c\uc131<\/td><td>\uc88b\uc74c<\/td><td>\ub354 \ub192\uc74c<\/td><\/tr><tr><td>\ub300\ub2e8\uba74 \uc131\ub2a5<\/td><td>\ubcf4\ud1b5<\/td><td>\uc804\uae30 \uc804\ub3c4\uc131<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \ub450 \uc7ac\ub8cc\uc758 \uac15\ub3c4\ub294 \ubaa8\ub450 \uc99d\uac00\ud558\ub294 \ubc18\uba74, \uc778\uc131\uc740 \uac10\uc18c\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uacc4\uc801 \ub370\uc774\ud130\ub97c \ube44\uad50\ud560 \ub54c\ub294 \uc5f4\ucc98\ub9ac \uc870\uac74, \uacbd\ub3c4, \ub2e8\uba74 \uce58\uc218 \ubc0f \uc2dc\ud3b8\uc758 \ubc30\ud5a5\uc774 \uc77c\uad00\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uacbd\ud654\uc131 \ubc0f \ub2e8\uba74 \ud06c\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ud654\uc131\uc740 \uac15\ucca0\uc774 \ud45c\uba74 \uc544\ub798\uc5d0 \uacbd\ud654 \uad6c\uc870\ub97c \ud615\uc131\ud558\ub294 \ub2a5\ub825\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774\ub294 \ucd5c\ub300 \ud45c\uba74 \uacbd\ub3c4\uc640\ub294 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc740 \uc911\uac04 \uacbd\ud654\uc131 \uac15\uc885\uc785\ub2c8\ub2e4. \ub2e8\uba74\uc774 \ucee4\uc9c8\uc218\ub85d \ud45c\uba74\uacfc \uc2ec\ubd80 \uc0ac\uc774\uc5d0 \ubbf8\uc138\uad6c\uc870\uc640 \uacbd\ub3c4\uc5d0\uc11c \ub69c\ub837\ud55c \ucc28\uc774\uac00 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uacc4\ub294 4340\ubcf4\ub2e4 \ub354 \ub192\uc740 \uacbd\ud654\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uacbd\ud654 \uc870\uc9c1\uc740 \ub354 \ub450\uaebc\uc6b4 \ub2e8\uba74 \uae4a\uc219\uc774\uae4c\uc9c0 \ud655\uc7a5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3d9\uc77c\ud55c \ub2e8\uba74 \ud06c\uae30\uc640 \ub2f4\uae08\uc9c8 \uc870\uac74\uc5d0\uc11c 4340\uc740 \ub354 \uade0\uc77c\ud55c \uc2ec\ubd80 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\ubd80\ud488 \uc0c1\ud0dc<\/strong><\/td><td><strong>\uc7ac\ub8cc \uace0\ub824 \uc0ac\ud56d<\/strong><\/td><\/tr><tr><td>\uc911\uc18c \uaddc\ubaa8 \ubd80\ubb38<\/td><td>4140\uc740 \ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5\uc6a9 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\ub300\uad6c\uacbd \uc0e4\ud504\ud2b8<\/td><td>4340\uc740 \ub354 \uae4a\uc740 \uc804\uccb4 \uacbd\ud654 \uae4a\uc774\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\ub450\uaebc\uc6b4 \ub2e8\uba74 \ub2e8\uc870<\/td><td>4340\uc740 \ud45c\uba74\uacfc \uc2ec\ubd80\uc758 \ubb3c\uc131 \ucc28\uc774\ub97c \uc904\uc5ec\uc90d\ub2c8\ub2e4<\/td><\/tr><tr><td>\uc5c4\uaca9\ud55c \ud575\uc2ec \uc790\uc0b0 \uc694\uac74<\/td><td>\uc5f4\ucc98\ub9ac \uc2dc\ud5d8\uc6a9 \ucfe0\ud3f0 \ub610\ub294 \uc5f0\uc2e0\uc728 \uc2dc\ud5d8\uc6a9 \uc2dc\ud3b8\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac80\uc99d\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uba74 \ud06c\uae30, \ub2f4\uae08\uc9c8 \ub9e4\uccb4 \ubc0f \ubaa9\ud45c \uacbd\ub3c4\ub294 \uc885\ud569\uc801\uc73c\ub85c \ud3c9\uac00\ud574\uc57c \ud569\ub2c8\ub2e4. \ud45c\uba74 \uacbd\ub3c4\ub9cc\uc73c\ub85c\ub294 \uc2ec\ubd80 \ud2b9\uc131 \ub370\uc774\ud130\ub97c \ub300\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/heat-treatment.webp\" alt=\"\uc5f4\ucc98\ub9ac\" class=\"wp-image-10020\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/heat-treatment.webp 600w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/heat-treatment-300x201.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/heat-treatment-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uc5f4\ucc98\ub9ac \ubc0f \uacbd\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uacfc 4340\uc758 \ud2b9\uc131\uc740 \ubaa8\ub450 \uc5b4\ub2d0\ub9c1, \ub178\uba40\ub77c\uc774\uc9d5, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\uc744 \ud1b5\ud574 \uc870\uc808\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub2d0\ub9c1\uc740 \uacbd\ub3c4\ub97c \ub0ae\ucd94\uace0 \uac00\uacf5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0c1\ud0dc\ub294 \ud669\uc0ad \uac00\uacf5 \ubc0f \ubcf5\uc7a1\ud55c \ud615\uc0c1 \uac00\uacf5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8\uc740 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub97c \ub192\uc5ec\uc90d\ub2c8\ub2e4. \ud15c\ud37c\ub9c1\uc740 \ucde8\uc131\uc744 \uc904\uc774\uace0 \uac15\ub3c4\uc640 \uc778\uc131\uc758 \uade0\ud615\uc744 \uc7a1\uc544\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/weldomachining.com\/ko\/heat-treatment-guide\/\" data-type=\"post\" data-id=\"10014\">\uc5f4\ucc98\ub9ac<\/a> \ub450 \uc7ac\ub8cc\uc758 \ud2b9\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc740 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1, \uc720\ub3c4 \uacbd\ud654, \uc9c8\ud654 \ucc98\ub9ac\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774 \uac15\uc885\uc740 \ub300\ubd80\ubd84\uc758 \uae30\uacc4 \ubd80\ud488\uc5d0 \uc694\uad6c\ub418\ub294 \uacbd\ub3c4 \uae30\uc900\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\uc744 \ud1b5\ud574 \ub192\uc740 \uac15\ub3c4\uc640 \uc778\uc131\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \uacbd\ud654\uc131\uc774 \ub6f0\uc5b4\ub098 \ub2e8\uba74\uc774 \ud070 \ubd80\uc7ac\uc5d0\uc11c\ub3c4 \uc2ec\ubd80 \uacbd\ud654\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc720\ub3c4 \uacbd\ud654 \ubc0f <a href=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/Nitriding-process.webp\" data-type=\"attachment\" data-id=\"12394\">\uc9c8\ud654 \ucc98\ub9ac<\/a> \ub458 \ub2e4 \uacbd\ud654\ub41c \ud45c\uba74\uce35\uc744 \ud615\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac15\uc778\ud55c \uc2ec\ubd80\ub294 \uacc4\uc18d\ud574\uc11c \ucda9\uaca9 \ud558\uc911\uacfc \uad7d\ud798 \ud558\uc911\uc744 \uacac\ub38c\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uacbd\ub3c4 \uc694\uad6c \uc0ac\ud56d\uc740 \uc5b4\ub5bb\uac8c \uba85\uc2dc\ud574\uc57c \ud560\uae4c\uc694?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3c4\uba74\uc5d0\ub294 HRC \uac12\ub9cc \uba85\uc2dc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac \uc0c1\ud0dc, \uac80\uc0ac \uc704\uce58 \ubc0f \uc720\ud6a8 \uce68\ud0c4 \uae4a\uc774\ub3c4 \ud568\uaed8 \uba85\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ub2e8\uba74 \ubd80\ud488\uc758 \uacbd\uc6b0 \uc9c0\uc815\ub41c \uc2ec\ubd80 \uacbd\ub3c4\ub97c \uac16\ucdb0\uc57c \ud569\ub2c8\ub2e4. \uc548\uc804\uc774 \uc911\uc694\ud55c \ubd80\ud488\uc758 \uacbd\uc6b0 \ucd94\uac00\uc801\uc778 \uc778\uc7a5 \uc2dc\ud5d8, \ucda9\uaca9 \uc2dc\ud5d8 \ubc0f \ube44\ud30c\uad34 \uac80\uc0ac\ub97c \uc2e4\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uac00\uacf5\uc131 \ubc0f \uc81c\uc870 \ube44\uc6a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uc9c8\uc758 \uacbd\ub3c4\ub294 \uc7ac\uc9c8 \ub4f1\uae09\uc758 \ucc28\uc774\ubcf4\ub2e4 \uac00\uacf5 \ud6a8\uc728\uc5d0 \ub354 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc7ac\uc9c8\uc740 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uc7ac\uc9c8\ubcf4\ub2e4 \uac00\uacf5\ud558\uae30\uac00 \ub354 \uc27d\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c 4140\uc740 \uc120\uc0ad, \ubc00\ub9c1, \ub4dc\ub9b4\ub9c1 \ubc0f \uc5f0\uc0ad\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\uc5d0 \ub300\ud55c \ud655\ub9bd\ub41c \uac00\uacf5 \uacf5\uc815\uc744 \ud1b5\ud574 \ud6a8\uc728\uc801\uc778 \uc77c\uad04 \uc0dd\uc0b0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c 4340\uc740 \uc77c\ubc18 \uac00\uacf5\uc5d0\ub3c4 \uc801\ud569\ud569\ub2c8\ub2e4. \uacbd\ub3c4\uac00 \ub192\uc544\uc9c8\uc218\ub85d \uacf5\uad6c \ub9c8\ubaa8\uc640 \uc808\uc0ad \uc5f4\ub3c4 \ud568\uaed8 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\uacbd\ub3c4 4340 \uc18c\uc7ac\uc758 \ubd80\ud488\uc740 \uc5f0\uc0ad, \uacbd\uc9c8 \uc120\uc0ad \ub610\ub294 \ubc29\uc804 \uac00\uacf5\uc744 \ud1b5\ud574 \ub9c8\ubb34\ub9ac \uac00\uacf5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uad8c\uc7a5 \uc81c\uc870 \uc21c\uc11c<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\uc7ac\ub8cc \uaddc\uaca9 \ubc0f \uacf5\uae09 \uc2dc \uacbd\ub3c4\ub97c \ud655\uc778\ud574 \uc8fc\uc2ed\uc2dc\uc624;<\/li>\n\n\n\n<li>\uac70\uce5c \uac00\uacf5\uc744 \uc218\ud589\ud558\uace0 \uc815\ubc00 \uac00\uacf5 \uc5ec\uc720\ub97c \ub0a8\uaca8\ub450\uc2ed\uc2dc\uc624;<\/li>\n\n\n\n<li>\uacf5\uc815\uc5d0 \ub530\ub77c \ud544\uc694\uc5d0 \ub530\ub77c \uc2a4\ud2b8\ub808\uc2a4\ub97c \ud574\uc18c\ud558\uace0;<\/li>\n\n\n\n<li>\uc644\uc804\ud55c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1;<\/li>\n\n\n\n<li>\uc5f0\uc0ad \ub610\ub294 \uae30\ud0c0 \ub9c8\ubb34\ub9ac \uacf5\uc815\uc744 \uc218\ud589\ud558\uace0;<\/li>\n\n\n\n<li>\uacbd\ub3c4, \uce58\uc218 \ubc0f \ud45c\uba74 \ud488\uc9c8\uc744 \uac80\uc0ac\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uacf5\uc815 \uc21c\uc11c\ub294 \uc5f4\ucc98\ub9ac\ub85c \uc778\ud55c \ubcc0\ud615 \uc704\ud5d8\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4. \ub610\ud55c \uacbd\ub3c4\uac00 \ub9e4\uc6b0 \ub192\uc740 \uc0c1\ud0dc\uc5d0\uc11c \ub300\ub7c9\uc758 \uae30\uacc4 \uac00\uacf5\uc744 \ud53c\ud560 \uc218 \uc788\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-round-bearing.webp\" alt=\"\uc6d0\ud615 \ubca0\uc5b4\ub9c1\uc6a9 5\ucd95 CNC \ubc00\ub9c1\" class=\"wp-image-8010\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-round-bearing.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-round-bearing-300x225.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-round-bearing-768x576.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-round-bearing-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\ub3d9\uc77c\ud55c CNC \uac00\uacf5 \ubd80\ud488\uc758 \ube44\uc6a9 \ucc28\uc774<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c \ubc94\uc704\ub294 \ub3d9\uc77c\ud55c \ud615\uc0c1, \uacf5\ucc28, \uc218\ub7c9, \uc5f4\ucc98\ub9ac \ubc0f \ud45c\uba74 \ucc98\ub9ac \uc694\uac74\uc744 \uae30\uc900\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uc0b0\uc5c5\uc6a9 \ud488\uc9c8 \uae30\uc900\uc5d0\uc11c, 4340 \uc7ac\uc9c8\ub85c \uc81c\uc791\ub41c CNC \uac00\uacf5 \uc644\uc81c\ud488\uc758 \uac00\uaca9\uc740 4140 \uc7ac\uc9c8\ub85c \uc81c\uc791\ub41c \ub3d9\uc77c \ubd80\ud488\ubcf4\ub2e4 10%\u201330% \ub354 \ube44\uc309\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\ubd80\ud488 \uc720\ud615<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>4340\uc758 \ube44\uc6a9 \uc99d\uac00<\/strong><\/td><td><strong>\uc8fc\uc694 \uc6d0\uac00 \uacb0\uc815 \uc694\uc778<\/strong><\/td><\/tr><tr><td>\ubcf5\uc7a1\ud55c \uc815\ubc00 \ubd80\ud488<\/td><td class=\"has-text-align-left\" data-align=\"left\">5%\u201315%<\/td><td>CNC \uac00\uacf5 \uc2dc\uac04\uc774 \ucd1d \ube44\uc6a9\uc5d0\uc11c \ucc28\uc9c0\ud558\ub294 \ube44\uc911\uc774 \ub354 \ud06c\ub2e4<\/td><\/tr><tr><td>\ud45c\uc900 \uc0e4\ud504\ud2b8 \ub610\ub294 \uae30\uc5b4<\/td><td class=\"has-text-align-left\" data-align=\"left\">10%\u201325%<\/td><td>\uc6d0\uc790\uc7ac \ubc0f \uc5f4\ucc98\ub9ac \ube44\uc6a9 \uc99d\uac00<\/td><\/tr><tr><td>\uc7ac\ub8cc \uc81c\uac70\uc728\uc774 \ub0ae\uc740 \ub300\uad6c\uacbd \ubd80\ud488<\/td><td class=\"has-text-align-left\" data-align=\"left\">20%\u201335%<\/td><td>\uc6d0\uc790\uc7ac\uac00 \ucd1d \ube44\uc6a9\uc5d0\uc11c \ucc28\uc9c0\ud558\ub294 \ube44\uc911\uc774 \ub354 \ud06c\ub2e4<\/td><\/tr><tr><td>\ud56d\uacf5\uc6b0\uc8fc \ub4f1\uae09 \ub610\ub294 VAR \uc18c\uc7ac\ub85c \uc81c\uc791\ub41c \ubd80\ud488<\/td><td class=\"has-text-align-left\" data-align=\"left\">\ubcc4\ub3c4\ub85c \uc778\uc6a9\ub428<\/td><td>\uc11c\ub85c \ub2e4\ub978 \uc778\uc99d \ubc0f \uac80\uc0ac \uc694\uac74<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4140 \ubd80\ud488\uc758 \uac00\uaca9\uc774 100\ub2ec\ub7ec\ub77c\uba74, \ub3d9\uc77c\ud55c 4340 \ubd80\ud488\uc758 \uac00\uaca9\uc740 110~130\ub2ec\ub7ec\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf5\uc7a1\ud55c \uc815\ubc00 \ubd80\ud488\uc758 \uac00\uaca9\uc740 105~115\ub2ec\ub7ec\uc785\ub2c8\ub2e4. \uc7ac\ub8cc \uc81c\uac70\uc728\uc774 \ub0ae\uc740 \ub300\uad6c\uacbd \ubd80\ud488\uc758 \uac00\uaca9\uc740 120~135\ub2ec\ub7ec\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c1\uae30 \ubc94\uc704\ub294 \ud56d\uacf5\uc6b0\uc8fc \uc778\uc99d, \ud2b9\uc218 \uc6a9\uc735 \uacf5\uc815 \ub610\ub294 \uc2e4\ubb3c \uaddc\ubaa8 \uc2dc\ud5d8\uc5d0\ub294 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc6a9\uc811\uc131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc774\ub098 4340 \ubaa8\ub450 \uc6a9\uc811\uc774 \uc26c\uc6b4 \uc800\ud0c4\uc18c\uac15\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uae09\uc18d \ub0c9\uac01 \uc2dc \uc5f4\uc601\ud5a5\ubd80\uc5d0\uc11c \uacbd\ub3c4\uac00 \ub192\uace0 \ucde8\uc131\uc774 \ud070 \ubbf8\uc138\uad6c\uc870\uac00 \ud615\uc131\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc740 4340\ubcf4\ub2e4 \uc6a9\uc811\ud558\uae30 \ub354 \uc27d\uc2b5\ub2c8\ub2e4. \uc608\uc5f4, \uc800\uc218\uc18c \uc6a9\uac00\uc7ac, \uadf8\ub9ac\uace0 \uc11c\uc11c\ud788 \ub0c9\uac01\ud558\ub294 \uacfc\uc815\uc744 \ud1b5\ud574 \ub0c9\uac04 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \uacbd\ud654\uc131\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\uc758 \uc5f4\uc601\ud5a5\ubd80\uc5d0\uc11c\ub294 \uc218\uc18c \ub18d\ub3c4 \uad00\ub9ac\uc640 \uc628\ub3c4 \uc81c\uc5b4\ub97c \ub354\uc6b1 \uc5c4\uaca9\ud558\uac8c \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6a9\uc811 \uc808\ucc28\uc5d0\ub294 \ub2e4\uc74c \uc694\uac74\uc774 \ud3ec\ud568\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc811\ud569\uba74\uc758 \uae30\ub984, \ub179 \ubc0f \uc218\ubd84\uc744 \uc81c\uac70\ud558\uace0;<\/li>\n\n\n\n<li>\uc218\ubd84\uc774 \uc801\uace0 \uc218\uc18c \ud568\ub7c9\uc774 \ub0ae\uc740 \uc6a9\uac00\uc7ac\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624;<\/li>\n\n\n\n<li>\uc608\uc5f4 \ubc0f \ud328\uc2a4 \uac04 \uc628\ub3c4\uc5d0 \ub300\ud574\uc11c\ub294 WPS\uc758 \uc694\uad6c \uc0ac\ud56d\uc744 \uc900\uc218\ud558\uc2ed\uc2dc\uc624;<\/li>\n\n\n\n<li>\uc5f4 \uc785\ub825\uacfc \ub0c9\uac01 \uc18d\ub3c4\ub97c \uc81c\uc5b4\ud558\uace0;<\/li>\n\n\n\n<li>\uc124\uacc4\uc5d0 \uba85\uc2dc\ub41c \ubc14\uc5d0 \ub530\ub77c \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac\ub97c \uc2e4\uc2dc\ud558\uace0;<\/li>\n\n\n\n<li>\uc6a9\uc811\ubd80 \ubc0f \uc5f4\uc601\ud5a5\ubd80\uc758 \uacbd\ub3c4\ub97c \uac80\uc0ac\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc548\uc804\uc774 \uc911\uc694\ud55c 4340 \ubd80\ud488\uc758 \uacbd\uc6b0 \uc77c\uccb4\ud615 \ub2e8\uc870\ud488\uc774\ub098 \uae30\uacc4\uc801 \uc5f0\uacb0 \ubc29\uc2dd\uc744 \uc6b0\uc120\uc801\uc73c\ub85c \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. \uc218\ub9ac \uc6a9\uc811\uc744 \uc2e4\uc2dc\ud560 \uacbd\uc6b0 \uc131\ub2a5 \uac80\uc99d\uc744 \ub2e4\uc2dc \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad11\ubc94\uc704\ud55c \uc6a9\uc811\uc774 \ud544\uc694\ud55c \uad6c\uc870\ubb3c\uc758 \uacbd\uc6b0, \uc7ac\uc9c8 \uc120\ud0dd\uc744 \uc7ac\uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4. \uc800\ud0c4\uc18c\uac15\uc740 \uc6a9\uc811 \ud6a8\uc728\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-2.webp\" alt=\"\uc6f0\ub3c4 \uac00\uacf5 \uc13c\ud130\" class=\"wp-image-7707\" style=\"width:700px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-2.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-2-300x203.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-2-768x518.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-2-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\ud53c\ub85c \ubc0f \ub9c8\ubaa8 \uc131\ub2a5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud53c\ub85c \ud30c\ub2e8\uc740 \ubc18\ubcf5\uc801\uc778 \ud558\uc911 \uc791\uc6a9\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub0b4\ub9c8\ubaa8\uc131\uc740 \uacbd\ub3c4, \uc724\ud65c \uc0c1\ud0dc \ubc0f \uc811\ucd09 \uc555\ub825\uc5d0 \uc758\ud574 \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c 4140\uc740 \uc6b0\uc218\ud55c \ud53c\ub85c \uac15\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \ubc94\uc6a9 \uc0e4\ud504\ud2b8, \uae30\uc5b4 \ubc0f \ub3d9\ub825 \uc804\ub2ec \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \ub192\uc740 \uac15\ub3c4 \uc218\uc900\uc5d0\uc11c\ub3c4 \ub354 \ub6f0\uc5b4\ub09c \uc778\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \ucda9\uaca9 \ud558\uc911\uacfc \ubc18\ubcf5 \ud558\uc911\uc744 \ubaa8\ub450 \ubc1b\ub294 \ubd80\ud488\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub3d9\uc77c\ud55c \uacbd\ub3c4 \uc870\uac74\uc5d0\uc11c, \uc774 \ub450 \uac15\uc885\uc758 \uae30\ubcf8\uc801\uc778 \ub9c8\ubaa8 \uc131\ub2a5\uc740 \ube44\uc2b7\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \uac00\uc7a5 \ud070 \uc7a5\uc810\uc740 \ub0b4\ub9c8\ubaa8\uc131 \uadf8 \uc790\uccb4\ubcf4\ub2e4\ub294 \ub0b4\ud30c\ub2e8\uc131\uc5d0 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\uc74c\uacfc \uac19\uc740 \uc870\uce58\ub4e4\uc740 \ud53c\ub85c \uc218\uba85\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud45c\uba74 \uac70\uce60\uae30\ub97c \uc904\uc774\uc2ed\uc2dc\uc624;<\/li>\n\n\n\n<li>\uc804\ud658 \ubc18\uacbd\uc744 \ub298\ub9ac\uc2ed\uc2dc\uc624;<\/li>\n\n\n\n<li>\ub9c8\ubaa8 \ud654\uc0c1\uacfc \ud0c8\ud0c4 \ud604\uc0c1\uc744 \ubc29\uc9c0\ud558\uace0;<\/li>\n\n\n\n<li>\uc0f7 \ud53c\ub2dd, \ub864\ub9c1 \ub610\ub294 \ud45c\uba74 \uacbd\ud654 \ucc98\ub9ac\ub97c \uc801\uc6a9\ud558\uace0;<\/li>\n\n\n\n<li>\ud568\uc720\ubb3c \ubc0f \uc7ac\ub8cc\uc758 \uccad\uacb0\ub3c4\ub97c \uad00\ub9ac\ud558\uace0;<\/li>\n\n\n\n<li>\uc724\ud65c \uc131\ub2a5\uacfc \ubd80\uc2dd \ubc29\uc9c0 \uae30\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\uc9c8\uc744 \uac1c\uc120\ud55c\ub2e4\uace0 \ud574\ub3c4 \ub0a0\uce74\ub85c\uc6b4 \ubaa8\uc11c\ub9ac, \uac00\uacf5 \uc790\uad6d, \ub610\ub294 \ubd80\uc801\uc808\ud55c \ud45c\uba74 \ucc98\ub9ac\ub97c \ubcf4\uc644\ud560 \uc218\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4140 \ubc0f 4340 \uac15\uc7ac\uc758 \ub300\ud45c\uc801\uc778 \uc6a9\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uac15\uc885\uc758 \uc801\uc6a9 \ubc94\uc704\ub294 \uc77c\ubd80 \uc911\ubcf5\ub429\ub2c8\ub2e4. \ubd80\ud488\uc758 \ud06c\uae30, \ud558\uc911 \uc218\uc900, \uadf8\ub9ac\uace0 \ud30c\uc190 \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uacb0\uacfc\ub97c \uace0\ub824\ud558\uc5ec \ucd5c\uc885 \uac15\uc885\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\uc751\uc6a9 \ubd84\uc57c<\/strong><\/td><td><strong>4140<\/strong><\/td><td><strong>4340<\/strong><\/td><\/tr><tr><td>\uc9c1\uacbd\uc774 \uc791\uc740 \ud3b8\uc5d0\uc11c \uc911\uac04 \uc815\ub3c4\uc778 \ucd95<\/td><td>\uc120\ud638<\/td><td>\uacfc\ub3c4\ud55c \uc131\ub2a5<\/td><\/tr><tr><td>\ubc94\uc6a9 \uae30\uc5b4 \ubc0f \uc2a4\ud504\ub85c\ud0b7<\/td><td>\uc120\ud638<\/td><td>\uc801\ud569\ud55c<\/td><\/tr><tr><td>\uace0\uac15\ub3c4 \ubcfc\ud2b8<\/td><td>\uc120\ud638<\/td><td>\uace0\ubd80\ud558 \uc6a9\ub3c4\uc5d0 \uc801\ud569<\/td><\/tr><tr><td>\uacf5\uad6c \ubc0f \uae08\ud615 \ubd80\ud488<\/td><td>\uc120\ud638<\/td><td>\uace0\ubd80\ud558 \uc6a9\ub3c4\uc5d0 \uc801\ud569<\/td><\/tr><tr><td>\ub300\uad6c\uacbd \uad6c\ub3d9\ucd95<\/td><td>\uc139\uc158 \ud06c\uae30\uc5d0 \ub530\ub978 \uc81c\ud55c<\/td><td>\uc120\ud638<\/td><\/tr><tr><td>\uace0\uac15\ub3c4 \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8 \ubc0f \uace0\ubd80\ud558 \uae30\uc5b4<\/td><td>\ubd80\ud558 \uc218\uc900\uc5d0 \ub530\ub77c \uc81c\ud55c\ub428<\/td><td>\uc120\ud638<\/td><\/tr><tr><td>\ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ub79c\ub529 \uae30\uc5b4 \ubc0f \ubcc0\uc18d\uae30 \ubd80\ud488<\/td><td>\uc0ac\uc591\uc5d0 \ub530\ub978 \uc81c\ud55c<\/td><td>AMS \uc0ac\uc591\uc5d0 \ub530\ub77c \uc0ac\uc6a9\ub428<\/td><\/tr><tr><td>\uace0\ucda9\uaca9 \uc2dc\ucd94 \ubc0f \uc5d0\ub108\uc9c0 \ubd80\ud488<\/td><td>\uc77c\ubc18\uc801\uc778 \ud558\uc911\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4<\/td><td>\uace0\ubd80\ud558 \uc791\uc5c5\uc5d0 \uc801\ud569<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc740 \uc8fc\ub85c \uc77c\ubc18 \uae30\uacc4, \uc790\ub3d9\ucc28, \uc720\uc804 \uacf5\uad6c \ubc0f \uae08\ud615 \uc81c\uc870 \ubd84\uc57c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \uc8fc\ub85c \ud56d\uacf5\uc6b0\uc8fc, \uc911\uc7a5\ube44 \ubcc0\uc18d\uae30, \uace0\uc131\ub2a5 \uc790\ub3d9\ucc28 \ubc0f \uace0\ubd80\ud558 \uc5d0\ub108\uc9c0 \uc7a5\ube44 \ubd84\uc57c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4140 \ubc0f 4340 \uac15\uc7ac\uc758 \uc7a5\uc810\uacfc \ud55c\uacc4<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\ube44\uad50 \ud56d\ubaa9<\/strong><\/td><td><strong>4140\uac15<\/strong><\/td><td><strong>4340\uac15<\/strong><\/td><\/tr><tr><td>\ud575\uc2ec \uac15\uc810<\/td><td>\uade0\ud615 \uc7a1\ud78c \uc131\ub2a5\uacfc \uc800\ub834\ud55c \ube44\uc6a9<\/td><td>\ub192\uc740 \uc778\uc131 \ubc0f \uc2ec\ubd80 \uacbd\ud654<\/td><\/tr><tr><td>\uac00\uacf5 \ubc0f \uc7ac\uace0 \ud604\ud669<\/td><td>\uc131\uc219\ud55c \ud504\ub85c\uc138\uc2a4\uc640 \ud3ed\ub113\uc740 \uc774\uc6a9 \uac00\ub2a5\uc131<\/td><td>\uacbd\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uac00\uacf5\uc774 \ub354 \uc5b4\ub835\ub2e4<\/td><\/tr><tr><td>\ub2e8\uba74 \uc131\ub2a5<\/td><td>\uc911\uc18c \uaddc\ubaa8 \uad6c\uac04\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4<\/td><td>\ub300\ud615 \ub2e8\uba74\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\uc6a9\uc811 \uc81c\uc5b4<\/td><td>\uc5c4\uaca9\ud55c<\/td><td>\ub354 \uc5c4\uaca9\ud55c<\/td><\/tr><tr><td>\ud53c\ub85c \ubc0f \ucda9\uaca9 \uc131\ub2a5<\/td><td>\uc77c\ubc18 \uc694\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4<\/td><td>\uace0\uc704\ud5d8 \uc791\uc5c5 \ud658\uacbd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\uc8fc\uc694 \ud55c\uacc4<\/td><td>\ud575\uc2ec \uc18d\uc131\uc740 \ub2e8\uba74 \ud06c\uae30\uc5d0 \ub530\ub77c \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/td><td>\uc6d0\uc790\uc7ac\ube44, \uc5f4\ucc98\ub9ac \ube44\uc6a9 \ubc0f \uac80\uc0ac \ube44\uc6a9\uc758 \uc99d\uac00<\/td><\/tr><tr><td>\ub0b4\uc2dd\uc131<\/td><td>\ud45c\uba74 \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4<\/td><td>\ud45c\uba74 \ubcf4\ud638\uac00 \ud544\uc694\ud569\ub2c8\ub2e4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc758 \uc7a5\uc810\uc740 \uade0\ud615 \uc7a1\ud78c \uc131\ub2a5\uacfc \uacbd\uc81c\uc131\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. 4340\uc758 \uc7a5\uc810\uc740 \ub192\uc740 \uac15\ub3c4\uc640 \uc778\uc131, \uadf8\ub9ac\uace0 \ub300\ub2e8\uba74 \uac00\uacf5\uc774 \uac00\ub2a5\ud558\ub2e4\ub294 \uc810\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uba74\uc774 \ud06c\uac70\ub098 \ud30c\uc190 \uc704\ud5d8\uc774 \ub192\uc740 \uc694\uac74\uc774 \uc5c6\ub294 \uc0c1\ud669\uc5d0\uc11c 4340\uc744 \uc0ac\uc6a9\ud558\uba74 \uc7ac\ub8cc \uc124\uacc4\uac00 \uacfc\ub3c4\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4340\uac15\uacfc 4140\uac15 \uc911 \uc5b4\ub5a4 \uac83\uc744 \uc120\ud0dd\ud574\uc57c \ud560\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc7ac\ub8cc \uc120\uc815\uc740 \uc778\uc7a5 \uac15\ub3c4\ub9cc \uace0\ub824\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ub2e8\uba74 \ud06c\uae30, \ud558\uc911 \uc720\ud615, \uc81c\uc870 \uc870\uac74, \uadf8\ub9ac\uace0 \ud30c\uc190 \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uacb0\uacfc\ub97c \ubaa8\ub450 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>\ud504\ub85c\uc81d\ud2b8 \ud604\ud669<\/strong><\/td><td><strong>\ucd94\ucc9c \uc18c\uc7ac<\/strong><\/td><td><strong>\uc120\uc815 \uc774\uc720<\/strong><\/td><\/tr><tr><td>\uc9c1\uacbd\uc774 \uc791\uc740 \ud3b8\uc5d0\uc11c \uc911\uac04 \uc815\ub3c4\uc778 \ucd95<\/td><td>4140<\/td><td>\ucda9\ubd84\ud55c \uac15\ub3c4\uc640 \uc800\ub834\ud55c \ube44\uc6a9<\/td><\/tr><tr><td>\ubc94\uc6a9 \uae30\uc5b4 \ubc0f \uc2a4\ud504\ub85c\ud0b7<\/td><td>4140<\/td><td>\uc131\ub2a5\uacfc \uac00\uacf5\uc131\uc758 \uade0\ud615\uc774 \uc798 \uc7a1\ud600 \uc788\uc74c<\/td><\/tr><tr><td>\ub300\ub7c9 \uc0dd\uc0b0\ub41c \uae30\uacc4 \ubd80\ud488<\/td><td>4140<\/td><td>\uc548\uc815\uc801\uc778 \uacf5\uae09\uacfc \uc131\uc219\ud55c \uc81c\uc870 \uc2dc\uc2a4\ud15c<\/td><\/tr><tr><td>\ud45c\uc900 \uace0\uac15\ub3c4 \uccb4\uacb0 \ubd80\ud488<\/td><td>4140<\/td><td>\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4 \ud558\uc911 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ub300\uad6c\uacbd \ucd95 \ubc0f \ub450\uaebc\uc6b4 \ub2e8\uba74\uc758 \ub2e8\uc870\ud488<\/td><td>4340<\/td><td>\ub354 \ub6f0\uc5b4\ub09c \uc2ec\ubd80 \uacbd\ud654 \ub2a5\ub825<\/td><\/tr><tr><td>\uace0\ucda9\uaca9 \ubcc0\uc18d\uae30 \ubd80\ud488<\/td><td>4340<\/td><td>\ub192\uc740 \uac15\ub3c4\uc5d0\uc11c\ub3c4 \ub354 \ub6f0\uc5b4\ub09c \uc778\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\uace0\uc8fc\ud30c \ud53c\ub85c \ubd80\ud488<\/td><td>4340<\/td><td>\ud30c\uc808\uc5d0 \ub300\ud55c \ub0b4\uc131\uc774 \ub354 \uc6b0\uc218\ud568<\/td><\/tr><tr><td>\uc548\uc804\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \ud56d\uacf5\uc6b0\uc8fc \ubd80\ud488<\/td><td>4340<\/td><td>\ub192\uc740 \uccad\uacb0\ub3c4 \ubc0f \ucd94\uc801\uc131 \uc694\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\ub300\uaddc\ubaa8 \uc6a9\uc811\uc774 \ud544\uc694\ud55c \uad6c\uc870\ubb3c<\/td><td>\ud574\ub2f9 \uc790\ub8cc\ub97c \uc7ac\uac80\ud1a0\ud558\uc2ed\uc2dc\uc624<\/td><td>\ub450 \uc7ac\ub8cc \ubaa8\ub450 \uc5c4\uaca9\ud55c \uc6a9\uc811 \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4\ub2e8\uacc4\ub85c \uc18c\uc7ac \uc120\ud0dd\ud558\uae30<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\ub2e8\uba74 \ud06c\uae30\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624:<\/strong> \uc911\uc18c\ud615 \ub2e8\uba74\uc758 \uacbd\uc6b0 \uba3c\uc800 4140\uc744, \ub300\ud615 \ub2e8\uba74\uc758 \uacbd\uc6b0 \uba3c\uc800 4340\uc744 \ud3c9\uac00\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\uc801\uc7ac \uc720\ud615\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624:<\/strong> \uc77c\ubc18 \ud558\uc911\uc758 \uacbd\uc6b0 4140\uc744, \uace0\ucda9\uaca9 \ubc0f \uace0\uc8fc\ud30c \ud558\uc911\uc758 \uacbd\uc6b0 4340\uc744 \uc120\ud0dd\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\uc81c\uc870 \uc5ed\ub7c9 \ud655\uc778:<\/strong> \uac00\uacf5, \uc5f4\ucc98\ub9ac, \uac80\uc0ac \ubc0f \uc790\uc7ac \ucd94\uc801 \ub2a5\ub825\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n\n\n\n<li><strong>\ucd1d \ube44\uc6a9 \uacc4\uc0b0:<\/strong> \uc790\uc7ac, \uac00\uacf5, \uc5f4\ucc98\ub9ac, \uac80\uc0ac \ubc0f \uc7ac\uc791\uc5c5\uc5d0 \ub530\ub978 \uc704\ud5d8\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\uc885 \uc120\uc815\uc740 \ub3c4\uba74\uacfc \uae30\uc220 \uc0ac\uc591\uc744 \ubc14\ud0d5\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838\uc57c \ud569\ub2c8\ub2e4. \uc7ac\ub8cc \ub4f1\uae09\ub9cc\uc73c\ub85c\ub294 \ubd80\ud488\uc758 \uc131\ub2a5\uc744 \ud310\ub2e8\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1.webp\" alt=\"CMM \uac80\uc0ac\" class=\"wp-image-11924\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/CMM-testing-1-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4140\uc740 \ub300\ubd80\ubd84\uc758 \uc911\uc18c\ud615 \ub2e8\uba74 \uae30\uacc4 \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \uac15\ub3c4, \uac00\uacf5\uc131, \ube44\uc6a9 \uba74\uc5d0\uc11c \uade0\ud615 \uc7a1\ud78c \uc131\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \ub2e8\uba74\uc774 \ud06c\uace0, \ucda9\uaca9 \ud558\uc911\uc774 \ud06c\uba70, \uc548\uc804\uc131\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\uc758 \uc8fc\uc694 \uc7a5\uc810\uc740 \uc778\uc131\uacfc \uc2ec\ubd80 \uacbd\ud654 \ub2a5\ub825\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450 \uc790\uc7ac \uc911 \uc5b4\ub290 \uac83\uc744 \uad6c\ub9e4\ud560 \ub54c\uc5d0\ub3c4 \uacf5\uae09 \uc870\uac74, \uc5f4\ucc98\ub9ac, \uacbd\ub3c4, \uac80\uc0ac \ud56d\ubaa9 \ubc0f \uc790\uc7ac \uc99d\uba85\uc11c\ub97c \ubc18\ub4dc\uc2dc \uba85\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc220 \uc0ac\uc591\uc744 \uc644\ubcbd\ud558\uac8c \uac16\ucd94\uba74 \uacac\uc801 \uc18c\uc694 \uc2dc\uac04\uc744 \ub2e8\ucd95\ud558\uace0, \uc790\uc7ac\uc758 \uacfc\ub3c4\ud55c \uc124\uacc4\ub97c \ubc29\uc9c0\ud558\uba70, \uc774\uc5d0 \ub530\ub978 \uc7ac\uc791\uc5c5\ub3c4 \ub9c9\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \ub450 \uac00\uc9c0 \uc18c\uc7ac\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uace0 \uc2f6\uc73c\uc2dc\uba74, \uc5ec\uae30\ub97c \ud074\ub9ad\ud558\uc5ec \ubc29\ubb38\ud574 \uc8fc\uc138\uc694 (<a href=\"https:\/\/weldomachining.com\/ko\/4340-steel-guide\/\" data-type=\"post\" data-id=\"13101\">4340\uac15<\/a>, <a href=\"https:\/\/weldomachining.com\/ko\/aisi-4140-material\/\" data-type=\"post\" data-id=\"10044\">4140\uac15<\/a>), \ub610\ub294 \ucc98\ub9ac \uad00\ub828 \uc870\uc5b8\uc744 \ubc1b\uc73c\uc2dc\ub824\uba74 \ub2f9\uc0ac\uc5d0 \ubb38\uc758\ud558\uc2dc\uac70\ub098, \ucc98\ub9ac \uacac\uc801\uc744 \ube44\uad50\ud574 \ubcf4\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>When comparing 4340 vs 4140 steel, both materials stand out as widely used low-alloy steels for shafts, gears, fasteners, and transmission components. However, they are not directly interchangeable. Section size, impact loads, fatigue life, and manufacturing cost all influence material selection. In simple terms, 4140 steel offers a strong balance between performance and cost. In [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":13139,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-13137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13137","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/comments?post=13137"}],"version-history":[{"count":4,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13137\/revisions"}],"predecessor-version":[{"id":13143,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13137\/revisions\/13143"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media\/13139"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media?parent=13137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/categories?post=13137"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/tags?post=13137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}