{"id":1279,"date":"2026-01-01T11:10:46","date_gmt":"2026-01-01T03:10:46","guid":{"rendered":"https:\/\/haoyumaterial.com\/?post_type=product&p=1279"},"modified":"2026-01-01T11:10:46","modified_gmt":"2026-01-01T03:10:46","slug":"4340-metal-high-strength-alloy-steel-bar-properties","status":"publish","type":"product","link":"https:\/\/haoyumaterial.com\/ko\/product\/4340-metal-high-strength-alloy-steel-bar-properties\/","title":{"rendered":"4340 \uae08\uc18d \uace0\uac15\ub3c4 \ud569\uae08\uac15 \ubc14 \ud2b9\uc131"},"content":{"rendered":"
\ud504\ub85c\uc81d\ud2b8\uac00 \uadf9\ud55c \uc2a4\ud2b8\ub808\uc2a4\uc5d0\uc11c\ub3c4 \uc2e4\ud328\ud558\uc9c0 \uc54a\ub294 \uc7ac\ub8cc\ub97c \uc694\uad6c\ud560 \ub54c,\u00a04340 \uae08\uc18d<\/strong>\u00a0\uc0b0\uc5c5 \ud45c\uc900\uc73c\ub85c \uc790\ub9ac \uc7a1\uc558\uc2b5\ub2c8\ub2e4. \uace0\uac15\ub3c4 \uad6c\uc870\uc6a9 \uac15\uc7ac\uc758 \uc120\ub450 \uacf5\uae09\uc5c5\uccb4\ub85c\uc11c \uc6d0\ud615 \ubc14, \ud310, \ub9de\ucda4 \uc808\ub2e8 \ube14\ub85d \ub4f1 \ub2e4\uc591\ud55c \ud615\ud0dc\uc758 AISI 4340\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uc740 \uac15\ub3c4, \uc778\uc131, \ub0b4\ub9c8\ubaa8\uc758 \ub6f0\uc5b4\ub09c \uc870\ud569\uc774 \ud544\uc694\ud55c \uad6c\uc131\ud488\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n \uc911\uc7a5\ube44\uc640 \ud56d\uacf5\uc6b0\uc8fc \ubd84\uc57c\uc5d0\uc11c \u201c\uac15\uc778\ud568\u201d\uc740 \ub2e8\uc9c0 \uc720\ud589\uc5b4\uac00 \uc544\ub2c8\ub77c \uc694\uad6c\uc0ac\ud56d\uc785\ub2c8\ub2e4.\u00a0AISI 4340 \uac15\uc7ac<\/strong>\u00a0\uc740 \ud0c4\uc18c\uac15\uc774\ub098 \uc5f4\ub4f1 \ud569\uae08\uc774 \ud30c\ub2e8\ub420 \uc218 \uc788\ub294 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uae30\uacc4\uc801 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\uae30 \ub54c\ubb38\uc5d0 \ub3cb\ubcf4\uc785\ub2c8\ub2e4.<\/p>\n \uc8fc\uc694 \uc774\uc720 \uc911 \ud558\ub098\ub294 \uc6b0\ub9ac\uac00 \uad8c\uc7a5\ud558\ub294 \uac83\uc758\u00a04340 \ud569\uae08\uac15<\/strong>\u00a0\ud575\uc2ec \ubd80\ud488\uc758 \uacbd\uc6b0 \ud0c1\uc6d4\ud55c \uce68\ud0c4\uc131 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ub2e4\ub978 \ud569\uae08\uc740 \ud45c\uba74\uc5d0\uc11c\ub9cc \uacbd\ud654\ub420 \uc218 \uc788\ub294 \ubc18\uba74, 4340\uc740 \ub300\ud615 \uc9c1\uacbd \ub2e8\uba74\uc758 \ucf54\uc5b4 \uae4a\uc219\ud55c \uacf3\uae4c\uc9c0 \ub192\uc740 \uac15\ub3c4\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/p>\n \uc8fc\uc694 \uc131\ub2a5 \uc694\uc778:<\/strong><\/p>\n \ub2f9\uc0ac\uc758 \uace0\ud488\uc9c8\uc758\u00a0\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>, \ub2f9\uc2e0\uc740 \ucca0\uc800\ud55c \uc2dc\ud5d8\uacfc \uc804\uccb4 \uc790\uc7ac \uc2dc\ud5d8 \uc778\uc99d\uc11c(MTC)\ub85c \uac80\uc99d\ub41c \uc7ac\ub8cc\uc5d0 \ud22c\uc790\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud56d\uacf5\uae30 \ucc29\ub959\ub300\ub098 \uc911\uc7a5\ub825 \ub3d9\ub825 \uc804\ub2ec \uc0e4\ud504\ud2b8\ub97c \uc81c\uc870\ud558\ub4e0, \uc6b0\ub9ac\uc758 4340 \uae08\uc18d\uc740 \ub2f9\uc2e0\uc758 \uba85\uc131\uc774 \uc758\uc874\ud558\ub294 \uc2e0\ub8b0\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n \ub2f9\uc2e0\uc758 \ud504\ub85c\uc81d\ud2b8\uac00 \uc555\ub825\uc5d0 \uacac\ub514\uc9c0 \ubabb\ud558\ub294 \uc7ac\ub8cc\ub97c \uc694\uad6c\ud560 \ub54c,\u00a04340 \uae08\uc18d<\/strong>\u00a0\uc0b0\uc5c5 \ud45c\uc900\uc785\ub2c8\ub2e4. \uc774 \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \uac15\uc740 \uc77c\ubc18 \ud569\uae08\uc774 \ubc84\ud2f0\uc9c0 \ubabb\ud558\ub294 \uace0\uc2a4\ud2b8\ub808\uc2a4 \ud658\uacbd\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uc5f0\uc131, \uc778\uc131 \ubc0f \uadf9\ub3c4\uc758 \uac15\ub3c4\uc758 \uc644\ubcbd\ud55c \uade0\ud615\uc744 \ud544\uc694\ub85c \ud558\ub294 \uc0b0\uc5c5\uc5d0 \uc774 \ub4f1\uae09\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4.<\/p>\n \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc120\ud0dd\ud558\ub294 \uac00\uc7a5 \ud070 \uc774\uc720 \uc911 \ud558\ub098\ub294\u00a0AISI 4340 \uac15\uc7ac<\/strong>\u00a0\ub2e4\ub978 \ub4f1\uae09\ubcf4\ub2e4 \ub450\uaebc\uc6b4 \ub2e8\uba74\uc5d0\uc11c\ub3c4 \uae4a\uc740 \uacbd\ud654\uc131\uc744 \uac00\uc9c4\ub2e4. \ub9ce\uc740 \uac15\uc7ac\uac00 \ub2e8\uba74 \ud06c\uae30\uac00 \ucee4\uc9c0\uba74 \ud2b9\uc131\uc774 \uac10\uc18c\ud558\ub294 \ubc18\uba74, 4340\uc740 \uc804\uccb4 \ub2e8\uba74\uc5d0 \uac78\uccd0 \ub192\uc740 \uac15\ub3c4\ub97c \uc720\uc9c0\ud55c\ub2e4.<\/p>\n \uc6b0\ub9ac\ub294 \uc81c\uacf5\ud569\ub2c8\ub2e4\u00a04340 \ud569\uae08\uac15<\/strong>\u00a0\uac00\uc7a5 \uac00\ud639\ud55c \uc791\ub3d9 \uc870\uac74\uc5d0\uc11c\ub3c4 \ubc84\ud2f0\ub294 \uc7ac\uc9c8\uc774\ub2e4. \ub2e8\uc9c0 \ud30c\uc190\uc5d0 \uc800\ud56d\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc218\ucc9c \uc0ac\uc774\ud074\uc5d0 \uac78\uccd0 \ub9c8\ubaa8\ub418\ub294 \uac83\uc744 \uacac\ub518\ub2e4.<\/p>\n \uc18c\uc2f1\ud560 \ub54c\u00a04340 \uae08\uc18d<\/strong>\u00a0\uc804 \uc138\uacc4 \ud504\ub85c\uc81d\ud2b8\ub97c \uc704\ud574 \uad50\ucc28 \ucc38\uc870 \ud45c\uc900\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. AISI 4340\uc740 \ubbf8\uad6d\uc5d0\uc11c \uc8fc\uc694 \uc9c0\uc815 \uc774\ub984\uc774\uc9c0\ub9cc, \uc774 \uace0\uac15\ub3c4 Ni-Cr-Mo \ud569\uae08\uc740 \ub2e4\uc591\ud55c \uad6d\uc81c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc778\uc2dd\ub429\ub2c8\ub2e4. \uc6b0\ub9ac\ub97c \uc804\ubb38 \uacf5\uae09\uc790\ub85c\uc11c\u00a0\uace0\uac15\ub3c4 \ud569\uae08\uac15<\/a>, \uc744(\ub97c) \ud1b5\ud574 \uae00\ub85c\ubc8c \ubca4\uce58\ub9c8\ud06c\ub97c \ucda9\uc871\ud558\uac70\ub098 \ub2a5\uac00\ud558\ub294 \uc7ac\ub8cc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n \ub2e4\uc74c \ud45c\ub294 \uad6d\uc81c \ud611\ub825\uc5d0 \ub9de\ucd98 \ube60\ub978 \ucc38\uc870\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4\u00a04340 \ud569\uae08\uac15<\/strong>\u00a0\uc640 \uad6d\uc81c \ub300\uc751 \ud45c\uc900\uc758 \uc77c\uce58 \uc5ec\ubd80:<\/p>\n \ub2f9\uc0ac \uc7ac\uace0\u00a04340 \uc7ac\uc9c8<\/strong>\u00a0\uace0\ud558\uc911 \ud658\uacbd\uc5d0\uc11c \uc2e0\ub8b0\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc5c5\uacc4 \ucd5c\uace0 \uc218\uc900\uc758 \uaddc\uaca9\uc744 \uc5c4\uaca9\ud788 \uc900\uc218\ud558\ub3c4\ub85d \uc81c\uc870\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/p>\n \uc800\ud76c\ub294 \ubaa8\ub4e0 \uc8fc\ubb38\uc5d0 \ub300\ud574 \ud654\ud559 \uc131\ubd84 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \uc774\ub7ec\ud55c \uad6d\uc81c \ud45c\uc900\uacfc \uc644\ubcbd\ud558\uac8c \uc77c\uce58\ud568\uc744 \ud655\uc778\ud558\ub294 \uc644\uc804\ud55c \uc7ac\ub8cc \uc2dc\ud5d8 \uc778\uc99d\uc11c(MTC)\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \ud504\ub85c\uc81d\ud2b8\uac00 \uc694\uad6c\ud558\ub294 \uacbd\uc6b0\u00a0EN24 \uac15<\/strong>\u00a0or\u00a01.6511 \uac15<\/strong>, \ub2f9\uc0ac\uc758 \uc7ac\uace0\ub294 \ub85c\uceec \ub610\ub294 \uad6d\uc81c \uaddc\uaca9\uc758 \uc5c4\uaca9\ud55c \uc694\uad6c\ub97c \ucda9\uc871\ud558\ub294 \uc6d0\ud65c\ud55c \ub300\uccb4\uc7ac\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n <\/p>\n \uc6b0\ub9ac\ub294 \uacf5\uae09\ud569\ub2c8\ub2e4.\u00a04340 \ud569\uae08\uac15<\/strong>\u00a0\ud45c\uc900 \ud0c4\uc18c\uac15\uacfc \ucc28\ubcc4\ud654\ub418\ub294 \uc815\ud655\ud55c \ud654\ud559\uc801 \uade0\ud615\uc73c\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uac15\ub3c4\uc778\u00a0\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>, \uadf8 \uc131\ub2a5\uc740 \uc774\ub7ec\ud55c \ud569\uae08 \uc6d0\uc18c\uc758 \ud2b9\uc815 \ube44\uc728\uc5d0 \uc758\ud574 \uc88c\uc6b0\ub429\ub2c8\ub2e4. \uc774 \ub3c5\ud2b9\ud55c \uc870\ud569\uc740 extreme stress \ubc0f \uc628\ub3c4 \ubcc0\ud654\uc5d0\uc11c\ub3c4 \uc7ac\ub8cc\uc758 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\uc65c 4340 \uac15\uc7ac\uac00 \uac70\uce5c \uc751\uc6a9 \ubd84\uc57c\ub97c \uc9c0\ubc30\ud558\ub294\uac00<\/h3>\n
\n
\uae4a\uc740 \uce68\ud0c4\uc131 \ubc0f \ud53c\ub85c \uc800\ud56d\uc131<\/h3>\n
\n
4340 \uae08\uc18d\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uacfc \uc131\ub2a5<\/h2>\n
\ub450\uaebc\uc6b4 \ubd80\ubb38\uc5d0\uc11c\uc758 \ud0c1\uc6d4\ud55c \uc131\ub2a5<\/h3>\n
\n
\ucda9\uaca9 \uc800\ud56d \ubc0f \ub9c8\ubaa8 \ud2b9\uc131<\/h3>\n
\n
4340 \uae08\uc18d \uad6d\uc81c \ub3d9\ub4f1\uc7ac \ubc0f \ud45c\uc900<\/h2>\n
<\/p>\n\uae00\ub85c\ubc8c \ub4f1\uac00 \ub4f1\uae09<\/h3>\n
\n\n
\n \n\ud45c\uc900<\/th>\n \ub4f1\uac00 \ub4f1\uae09<\/th>\n \uc9c0\uc5ed\/\uc2dc\uc2a4\ud15c<\/th>\n<\/tr>\n<\/thead>\n \n AISI\/SAE<\/strong><\/td>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04340<\/strong><\/td>\n \ub300\ud55c\ubbfc\uad6d<\/td>\n<\/tr>\n \n DIN \/ EN<\/strong><\/td>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.6511 \/ 34CrNiMo6<\/strong><\/td>\n \ub3c5\uc77c \/ \uc720\ub7fd<\/td>\n<\/tr>\n \n BS<\/strong><\/td>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 EN24 \/ 817M40<\/strong><\/td>\n \uc601\uad6d<\/td>\n<\/tr>\n \n JIS<\/strong><\/td>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SNCM439<\/strong><\/td>\n \uc77c\ubcf8<\/td>\n<\/tr>\n \n GB<\/strong><\/td>\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a040CrNiMoA<\/strong><\/td>\n China<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n \uaddc\uc815 \ubc0f \ud488\uc9c8 \uc0ac\uc591<\/h3>\n
\n
4340 \ud654\ud559 \uc870\uc131 \ubd84\uc11d<\/h2>\n
\ub2c8\ucf08, \ud06c\ub85c\ubbb4, \ubab0\ub9ac\ube0c\ub374\uc758 \uc5ed\ud560<\/h3>\n