{"id":1279,"date":"2026-01-01T11:10:46","date_gmt":"2026-01-01T03:10:46","guid":{"rendered":"https:\/\/haoyumaterial.com\/?post_type=product&#038;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\uc758 \ud2b9\uc131"},"content":{"rendered":"<h2>4340 \uae08\uc18d: \uad81\uadf9\uc758 \uace0\uac15\ub3c4 \ud569\uae08\uac15<\/h2>\n<p>\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,\u00a0<strong>4340 \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<h3>\uc65c 4340 \uac15\uc7ac\uac00 \uac70\uce5c \uc751\uc6a9 \ubd84\uc57c\ub97c \uc9c0\ubc30\ud558\ub294\uac00<\/h3>\n<p>\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.\u00a0<strong>AISI 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<ul>\n<li><strong>\uc6b0\uc218\ud55c \uc778\uc131:<\/strong>\u00a0\uc800\uc628\uc5d0\uc11c\ub3c4 \ud30c\uc190\ud558\uae30 \uc5b4\ub835\uac8c \uacac\ub525\ub2c8\ub2e4.<\/li>\n<li><strong>\ub192\uc740 \uc5f0\uc131:<\/strong>\u00a0\ub2e4\uc218\uc758 \uace0\uac15\ub3c4 \uae08\uc18d\uacfc \ub2ec\ub9ac 4340\uc740 \uc5f4\ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc5d0\uc11c\ub3c4 \uc131\ud615 \ubc0f \uac00\uacf5\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uae4a\uc740 \uacbd\ud654:<\/strong>\u00a0\ub2c8\ucf08\uacfc \ubab0\ub9ac\ube0c\ub370\ub118\uc758 \ud3ec\ud568\uc740 \uc7ac\ub8cc\uac00 \uc804\uccb4 \ub2e8\uba74\uc5d0 \uac78\uccd0 \uade0\uc77c\ud55c \ud2b9\uc131\uc744 \ub2ec\uc131\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uae4a\uc740 \uce68\ud0c4\uc131 \ubc0f \ud53c\ub85c \uc800\ud56d\uc131<\/h3>\n<p>\uc8fc\uc694 \uc774\uc720 \uc911 \ud558\ub098\ub294 \uc6b0\ub9ac\uac00 \uad8c\uc7a5\ud558\ub294 \uac83\uc758\u00a0<strong>4340 \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<p><strong>\uc8fc\uc694 \uc131\ub2a5 \uc694\uc778:<\/strong><\/p>\n<ul>\n<li><strong>\ud53c\ub85c \uc800\ud56d:<\/strong>\u00a0\uc8fc\uae30\uc801 \ud558\uc911\uc5d0 \ub300\ud55c \ud0c1\uc6d4\ud55c \uc800\ud56d\uc73c\ub85c, \ucee4\ube0c\uc0e4\ud504\ud2b8 \ubc0f \ubcc0\uc18d \uae30\uc5b4\uc758 \ud45c\uc900 \uc120\ud0dd\uc9c0\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5f4\ucc98\ub9ac \ub2e4\uc591\uc131:<\/strong>\u00a0\ub2f9\uc0ac\ub294 \uad6c\uccb4\uc801\uc778 \uac00\uacf5 \ubc0f \uac15\ub3c4 \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub530\ub77c\u00a0<strong>\uae09\ub7ad \ubc0f \ub2f4\uae08\uc9c8(Q+T)<\/strong>\u00a0\ub610\ub294 \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\ub85c \uc774 \uc7ac\ub8cc\ub97c \uacf5\uae09\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ucda9\uaca9 \uac15\ub3c4:<\/strong>\u00a0\uc5d0\ub108\uc9c0\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ud761\uc218\ud558\uc5ec \uace0\uac00\uc758 \uc5b4\uc148\ube14\ub9ac\ub97c \uac11\uc791\uc2a4\ub7ec\uc6b4 \ucda9\uaca9\uc774\ub098 \ucda9\uaca9 \ud558\uc911\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub2f9\uc0ac\uc758 \uace0\ud488\uc9c8\uc758\u00a0<strong>\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<h2>4340 \uae08\uc18d\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uacfc \uc131\ub2a5<\/h2>\n<p>\ub2f9\uc2e0\uc758 \ud504\ub85c\uc81d\ud2b8\uac00 \uc555\ub825\uc5d0 \uacac\ub514\uc9c0 \ubabb\ud558\ub294 \uc7ac\ub8cc\ub97c \uc694\uad6c\ud560 \ub54c,\u00a0<strong>4340 \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<h3>\ub450\uaebc\uc6b4 \ubd80\ubb38\uc5d0\uc11c\uc758 \ud0c1\uc6d4\ud55c \uc131\ub2a5<\/h3>\n<p>\uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc120\ud0dd\ud558\ub294 \uac00\uc7a5 \ud070 \uc774\uc720 \uc911 \ud558\ub098\ub294\u00a0<strong>AISI 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<ul>\n<li><strong>\uade0\uc77c\ud55c \uacbd\ub3c4:<\/strong>\u00a04140\uacfc \ub2ec\ub9ac \ub300\ud615 \uc9c1\uacbd\uc5d0\uc11c \ud45c\uba74 \uacbd\ud654\uc5d0\ub9cc \uadf8\uce60 \uc218 \uc788\ub294 \ubc18\uba74, 4340\uc740 \ub300\ud615 \uc8fc\uc870 \ube14\ub85d\uc774\ub098 \ub300\ud615 \uc6d0\ud615 \ubc14\uc5d0\uc11c\ub3c4 \uc77c\uad00\ub41c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uac15\ud654 \uae4a\uc774 \ud5a5\uc0c1:<\/strong>\u00a0\ub2c8\ucf08\uc758 \uad6c\uccb4\uc801\uc778 \ucca8\uac00\ub85c \ud45c\uc900 \ud06c\ub86c-\ubab0\ub9ac \uc2a4\ud2f8\uc5d0 \ube44\ud574 \uc5f4\ucc98\ub9ac \uce68\ud22c\uac00 \ud6e8\uc52c \uae4a\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc131\ub2a5:<\/strong>\u00a0\uc774\ud574\ud558\uae30 \uc704\ud55c\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/4140-stainless-steel-guide-properties-uses-and-key-differences\/\">4340\uacfc 4140\uc758 \uc8fc\uc694 \ucc28\uc774\uc810<\/a>\u00a0\uc911\uc694\ud55c \uac83\uc740 \uc911\uc7a5\ube44 \uad6c\uc870 \ubd80\ud488\uc5d0 \ub9de\ub294 \uc62c\ubc14\ub978 \uae08\uc18d\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \ud544\uc218\uc801\uc774\ub2e4.<\/li>\n<\/ul>\n<h3>\ucda9\uaca9 \uc800\ud56d \ubc0f \ub9c8\ubaa8 \ud2b9\uc131<\/h3>\n<p>\uc800\ud76c\ub294 \uc81c\uacf5\ud569\ub2c8\ub2e4\u00a0<strong>4340 \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<ul>\n<li><strong>\ub192\uc740 \ud53c\ub85c \uac15\ub3c4:<\/strong>\u00a0\uc774\uac83\uc774 \uc120\ud0dd\ub418\ub294 \uc7ac\ub8cc\ub2e4\u00a0<strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15<\/strong>\u00a0\ud06c\ub7ad\ud06c\ucd95 \ubc0f \ub3d9\ub825 \uc804\ub2ec \uae30\uc5b4\ucc98\ub7fc \uc9c0\uc18d\uc801\uc778 \uc9c4\ub3d9\uc774\ub098 \uc8fc\uae30\uc801 \ud558\uc911\uc5d0 \ub178\ucd9c\ub418\ub294 \ubd80\ud488\uc5d0 \uc801\ud569\ud558\ub2e4.<\/li>\n<li><strong>\uc800\uc628 \uc778\uc131:<\/strong>\u00a04340\uc740 \uc81c\ub85c \uc774\ud558 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc2e0\ub8b0\ud560 \uc218 \uc788\uc73c\uba70 \ucde8\uc131 \ud30c\uc190\uc744 \ud53c\ud558\ubbc0\ub85c \ud56d\uacf5\uc6b0\uc8fc \ubc0f \uc11d\uc720 \ubd84\uc57c \uc7a5\ube44\uc5d0 \uc801\ud569\ud558\ub2e4.<\/li>\n<li><strong>\uc6b0\uc218\ud55c \ub9c8\ubaa8 \uc800\ud56d\uc131:<\/strong>\u00a0\uc801\uc808\ud788 \uae09\ub0c9 \ubc0f \uac74\ub108\ub728\ub9ac\uba74 \ud45c\uba74\uc774\u00a0<strong>\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>\u00a0\uc5f0\ub9c8\ub825\uc5d0 \uc27d\uac8c \ub300\uc751\ud558\uc5ec \uae30\uacc4 \uc124\ube44\uc758 \uc0ac\uc6a9 \uc218\uba85\uc744 \ub300\ud3ed \uc5f0\uc7a5\uc2dc\ud0a8\ub2e4.<\/li>\n<\/ul>\n<h2>4340 \uae08\uc18d \uad6d\uc81c \ub3d9\ub4f1\uc7ac \ubc0f \ud45c\uc900<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1280\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x231.png\" alt=\"\" width=\"430\" height=\"331\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x231.png 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-768x592.png 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-16x12.png 16w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-600x462.png 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal.png 832w\" sizes=\"auto, (max-width: 430px) 100vw, 430px\" \/><\/p>\n<p>\uc18c\uc2f1\ud560 \ub54c\u00a0<strong>4340 \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<a href=\"https:\/\/haoyumaterial.com\/ko\/products\/stainless-steel\/alloy-steel\/\">\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<h3>\uae00\ub85c\ubc8c \ub4f1\uac00 \ub4f1\uae09<\/h3>\n<p>\ub2e4\uc74c \ud45c\ub294 \uad6d\uc81c \ud611\ub825\uc5d0 \ub9de\ucd98 \ube60\ub978 \ucc38\uc870\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4\u00a0<strong>4340 \ud569\uae08\uac15<\/strong>\u00a0\uc640 \uad6d\uc81c \ub300\uc751 \ud45c\uc900\uc758 \uc77c\uce58 \uc5ec\ubd80:<\/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<th>\uc9c0\uc5ed\/\uc2dc\uc2a4\ud15c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>AISI\/SAE<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04340<\/strong><\/td>\n<td>\ub300\ud55c\ubbfc\uad6d<\/td>\n<\/tr>\n<tr>\n<td><strong>DIN \/ EN<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.6511 \/ 34CrNiMo6<\/strong><\/td>\n<td>\ub3c5\uc77c \/ \uc720\ub7fd<\/td>\n<\/tr>\n<tr>\n<td><strong>BS<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 EN24 \/ 817M40<\/strong><\/td>\n<td>\uc601\uad6d<\/td>\n<\/tr>\n<tr>\n<td><strong>JIS<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 SNCM439<\/strong><\/td>\n<td>\uc77c\ubcf8<\/td>\n<\/tr>\n<tr>\n<td><strong>GB<\/strong><\/td>\n<td><strong>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a040CrNiMoA<\/strong><\/td>\n<td>China<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\uaddc\uc815 \ubc0f \ud488\uc9c8 \uc0ac\uc591<\/h3>\n<p>\ub2f9\uc0ac \uc7ac\uace0\u00a0<strong>4340 \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<ul>\n<li><strong>ASTM A29:<\/strong>\u00a0\uc77c\ubc18 \ud0c4\uc18c\uac15 \ubc0f \ud569\uae08\uac15 \ubd09\uc7ac\uc5d0 \ub300\ud55c \ud45c\uc900 \uc0ac\uc591.<\/li>\n<li><strong>AMS 6414 \/ AMS 6415:<\/strong>\u00a0\ud56d\uacf5\uc6b0\uc8fc \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ud544\uc218\uc801\uc774\uba70 \uc885\uc885 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5b8\uae09\ub429\ub2c8\ub2e4\u00a0<strong>\ud56d\uacf5\uae30 \ub4f1\uae09 4340<\/strong>.<\/li>\n<li><strong>MIL-S-5000:<\/strong>\u00a0\uace0\uc131\ub2a5 \uad6c\uc870 \ubd80\ud488\uc744 \uc704\ud55c \uad70\uc6a9\uae09 \uc694\uad6c\uc0ac\ud56d.<\/li>\n<li><strong>DIN EN 10083-3:<\/strong>\u00a0\uac15\uc7ac \uc9c8\uad6c\uc640 \ud15c\ud37c\ub9c1\uc5d0 \ub300\ud55c \uc720\ub7fd \ud45c\uc900.<\/li>\n<\/ul>\n<p>\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\u00a0<strong>EN24 \uac15<\/strong>\u00a0or\u00a0<strong>1.6511 \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<h2>4340 \ud654\ud559 \uc870\uc131 \ubd84\uc11d<\/h2>\n<p>&nbsp;<\/p>\n<p>\uc6b0\ub9ac\ub294 \uacf5\uae09\ud569\ub2c8\ub2e4\u00a0<strong>4340 \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<strong>\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<h3>\ub2c8\ucf08, \ud06c\ub85c\ubbb4, \ubab0\ub9ac\ube0c\ub374\uc758 \uc5ed\ud560<\/h3>\n<p>\uac01 \uc694\uc18c\ub294\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\ub9e4\ud2b8\ub9ad\uc2a4\ub294 \ud2b9\uc815 \uad6c\uc870\uc801 \ubaa9\uc801\uc744 \uc218\ud589\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub2c8\ucf08 (1.65% \u2013 2.00%):<\/strong>\u00a0\uc774\uac83\uc740 \uc7ac\ub8cc\uc758 \ud0c1\uc6d4\ud55c \uc778\uc131\uc758 \ud575\uc2ec\uc785\ub2c8\ub2e4. \ucda9\uaca9 \uc800\ud56d\uc744 \ub192\uc5ec \ud2b9\ud788 \uc800\uc628 \ud658\uacbd\uc5d0\uc11c \ub354 \uc2e0\ub8b0\ud560 \uc218 \uc788\uac8c \ud558\uba70 4140\ubcf4\ub2e4 \ub354 \uacac\uace0\ud569\ub2c8\ub2e4. \ud2b9\uc218\ud55c \uc694\uad6c\uc5d0 \ub300\ud574\uc11c\ub3c4 \uace0\uc131\ub2a5 \uc635\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/product\/high-temperature-nickel-alloy-springs-machining-service\/\">\ub2c8\ucf08 \ud569\uae08 \uac00\uacf5 \uc11c\ube44\uc2a4<\/a>\u00a0\uadf9\uc2ec\ud55c \uc0b0\uc5c5 \uc218\uc694\ub97c \ucc98\ub9ac\ud558\uae30 \uc704\ud574.<\/li>\n<li><strong>\ud06c\ub86c(0.70% \u2013 0.90%):<\/strong>\u00a0\ub2e8\ub2e8\ud568\uc758 \uae4a\uc774\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \ub9c8\ubaa8 \ubc0f \ubd80\uc2dd \uc800\ud56d\uc758 \uae30\uc900\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ubab0\ub9ac\ube0c\ub374(0.20% \u2013 0.30%):<\/strong>\u00a0\ub450\uaed8 \uc18c\uc131 \ucc98\ub9ac \ud6c4 \ucde8\uc131\uc744 \ubc29\uc9c0\ud558\uace0 \uc791\ub3d9 \uc628\ub3c4\uac00 \ub192\uc544\uc838\ub3c4 \uac15\ub3c4\uac00 \uc720\uc9c0\ub418\ub3c4\ub85d \ud55c\ub2e4.<\/li>\n<\/ul>\n<h3>UNS G43400\uc758 \ud45c\uc900 \ud654\ud559 \ubc94\uc704<\/h3>\n<p>\uace0\uac1d\ub4e4\uc774 \uc77c\uad00\ub418\uace0 \uace0\ud488\uc9c8\uc758 \uc11c\ube44\uc2a4\ub97c \ubc1b\ub3c4\ub85d \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\u00a0<strong>4340 \uc7ac\uc9c8<\/strong>, \uc6b0\ub9ac\ub294 \uc5c4\uaca9\ud788 \uc900\uc218\ud569\ub2c8\ub2e4 to translate into \ud55c\uad6d\uc5b4.\u00a0<strong>UNS G43400<\/strong>\u00a0\uadf8\ub9ac\uace0 ASTM \ud45c\uc900. \uc77c\ubc18\uc801\uc778 \ud654\ud559 \uad6c\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ud0c4\uc18c(C):<\/strong>\u00a00.38% \u2013 0.43%<\/li>\n<li><strong>\ub9dd\uac04(Mn):<\/strong>\u00a00.60% \u2013 0.80%<\/li>\n<li><strong>\uc2e4\ub9ac\ucf58(Si):<\/strong>\u00a00.15% \u2013 0.35%<\/li>\n<li><strong>\uc778(P):<\/strong>\u00a0\u2264 0.035%<\/li>\n<li><strong>\ud669(S):<\/strong>\u00a0\u2264 0.040%<\/li>\n<\/ul>\n<p>\uc774 \ubc00\ub3c4 \ud5c8\uc6a9\uc624\ucc28\ub97c \uc720\uc9c0\ud568\uc73c\ub85c\uc368 \ubaa8\ub4e0 \ubc30\uce58\uac00\u00a0<strong>AISI 4340 \uac15\uc7ac<\/strong>\u00a0\uc6b0\ub9ac\uac00 \uc218\ucd9c\ud558\ub294 \ud56d\uacf5\uc6b0\uc8fc \ubc0f \ubc29\uc704 \uc0b0\uc5c5\uc758 \uc5c4\uaca9\ud55c \uc548\uc804 \ubc0f \uc131\ub2a5 \uc694\uac74\uc744 \ucda9\uc871\ud55c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4340 \uae30\uacc4\uc801 \uc131\uc9c8 \ubc0f \uc131\ub2a5<\/h2>\n<p>\uadf8\u00a0<strong>4340 \uae30\uacc4\uc801 \uc131\uc9c8<\/strong>\u00a0\uc774 \ub4f1\uae09\uc774 \uc911\uacf5\ud559 \ubc0f \uace0\uc751\ub825 \uc81c\uc870 \ubd84\uc57c\uc758 \ud544\uc218\ud488\uc774 \ub418\ub294 \uc774\uc720\uc774\uba70, \uc800\ud76c\ub294\u00a0<strong>4340 \uac15<\/strong>\u00a0\ub192\uc740 \uac15\ub3c4, \uc5f0\uc131 \ubc0f \uc778\uc131\uc744 \ub3d9\uc2dc\uc5d0 \uc81c\uacf5\ud558\ub294 \ud76c\uadc0\ud55c \uc870\ud569\uc744 \uc804\ub2ec\ud569\ub2c8\ub2e4. \ud504\ub9ac\ubbf8\uc5c4\uc774\uae30 \ub54c\ubb38\uc5d0\u00a0<strong>\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>, \ud45c\uc900 \ud569\uae08\uc73c\ub85c\ub294 \ub300\ud615 \ub2e8\uba74\uc5d0\uc11c \uc774 \uc815\ub3c4\uc758 \uc2ec\ub3c4 \uc788\ub294 \uacbd\ub3c4\ub97c \ub2ec\uc131\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uac15\ub3c4 \ubc0f \uacbd\ub3c4 \ub4f1\uae09<\/h3>\n<p>\uc8fc\ubb38\ud558\uc2e4 \ub54c\u00a0<strong>4340 \uc7ac\uc9c8<\/strong>, \uae30\uacc4\uc801 \uc131\ub2a5\uc740 \uc8fc\ub85c \uc5f4\ucc98\ub9ac \uc0c1\ud0dc\uc5d0 \ud06c\uac8c \uc88c\uc6b0\ub429\ub2c8\ub2e4. \uc5d0\uc11c\u00a0<strong>\ud000\uce58\ub4dc \ubc0f \ud15c\ud37c\ub4dc 4340<\/strong>\u00a0\uc870\uac74, \ub2f9\uc0ac \uc7ac\uace0 \uc81c\uacf5:<\/p>\n<ul>\n<li><strong>\uc6b0\uc218\ud55c \uc778\uc7a5\uac15\ub3c4:<\/strong>\u00a0\uadf9\ud55c\ud558\uc911\uc5d0\uc11c\ub3c4 \ubd80\ud488\uc774 \ub04a\uc5b4\uc9c0\uc9c0 \uc54a\ub3c4\ub85d \ud070 \uc778\uc7a5 \uc800\ud56d.<\/li>\n<li><strong>\uace0\ud56d\ubcf5\uac15\ub3c4:<\/strong>\u00a0\uc601\uad6c\ubcc0\ud615\uc5d0 \ub300\ud55c \ud0c1\uc6d4\ud55c \uc800\ud56d\ub825\uc73c\ub85c \uc791\ub3d9 \uc911\uc5d0\ub3c4 \uad6c\uc131\ud488\uc774 \uc815\ubc00 \uacf5\ucc28 \ub0b4\uc5d0 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uade0\uc77c\ud55c \uacbd\ub3c4:<\/strong>\u00a0\uc6b0\uc218\ud55c \ub2f4\uae08\uc9c8\uc131\uc73c\ub85c \ud45c\uba74\uc5d0\uc11c \ucf54\uc5b4\uae4c\uc9c0 \uacbd\ub3c4 \ud504\ub85c\ud30c\uc77c\uc774 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ub418\uba70 \ubb34\uac70\uc6b4 \ube14\ub85d\uc5d0\uc11c\ub3c4 \uc548\uc815\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ucda9\uaca9 \uc778\uc131 \ubc0f \ud53c\ub85c \uc800\ud56d<\/h3>\n<p>\uc9c4\uc815\ud55c \uac00\uce58\ub294\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\ucda9\uaca9\uacfc \uc9c4\ub3d9\uc744 \ub2e4\ub8e8\ub294 \ub2a5\ub825\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\u00a0<strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15<\/strong>\u00a0\ucde8\uc57d\ud55c \ud30c\uc190\uc5d0 \uc800\ud56d\ud558\ub294 \ub370 \ud0c1\uc6d4\ud558\uba70 \uc800\uc628 \ud658\uacbd\uc5d0\uc11c\ub3c4 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud53c\ub85c \uc800\ud56d:<\/strong>\u00a0\uc218\ubc31\ub9cc \uc0ac\uc774\ud074\uc758 \ud558\uc911 \uc0ac\uc774\ud074\uc744 \uacac\ub514\ub3c4\ub85d \uc124\uacc4\ub418\uc5b4 \ud68c\uc804\ucd95\uacfc \uae30\uc5b4\uc758 \uae30\ubcf8 \uc120\ud0dd\uc774 \ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ucda9\uaca9 \uc778\uc131:<\/strong>\u00a0\ub192\uc740 \ucc28\ud53c \ubc14\uc774\ud2b8 \uac12\uc740 \uc7ac\ub8cc\uac00 \uae09\uaca9\ud55c \ucda9\uaca9\uc5d0 \uc758\ud574 \uade0\uc5f4\uc774 \ub098\uae30\ubcf4\ub2e4 \uc5d0\ub108\uc9c0\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud761\uc218\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e0\ub8b0\uc131:<\/strong>\u00a0\ub2c8\ucf08\uacfc \ud06c\ub86c\uc758 \uade0\ud615 \uc7a1\ud78c \ud654\ud559 \uc870\uc131\uc740 \uc7ac\ub8cc \uace0\uc7a5\uc774 \uc120\ud0dd \uc0ac\ud56d\uc774 \ub418\uc9c0 \uc54a\ub294 \uae4c\ub2e4\ub85c\uc6b4 \uc801\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc548\uc804 \uc5ec\uc720\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>4340 \uae08\uc18d \uc0ac\uc6a9 \uac00\ub2a5 \uc0ac\uc774\uc988 \ubc0f \uc81c\ud488 \ud615\ud0dc<\/h2>\n<p>\uc6b0\ub9ac\ub294 \ub300\ub7c9 \uc7ac\uace0\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4\u00a0<strong>4340 \ud569\uae08\uac15<\/strong>\u00a0\uc0dd\uc0b0 \ub77c\uc778\uc744 \uc6d0\ud65c\ud788 \uac00\ub3d9\ud558\uae30 \uc704\ud55c \ub2e4\uc591\ud55c \ud615\uc2dd\uc73c\ub85c \uc81c\uacf5\ub429\ub2c8\ub2e4. \uc6d0\uc790\uc7ac\ub098 \ubc18\uc81c\ud488 \ubd80\ud488\uc774 \ud544\uc694\ud558\ub4e0, \ub2e4\uc74c \uc7ac\uace0 \uc635\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>4340 \uc6d0\ud615\ubd09<\/strong>\u00a0\uc791\uc740 \uc815\ubc00 \ub85c\ub4dc\uc5d0\uc11c \ub300\ud615 \uc9c1\uacbd\uc758 \uc0e4\ud504\ud2b8\uc6a9 \ubc14\uae4c\uc9c0 \ub2e4\uc591\ud55c \uc9c1\uacbd\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>4340 \ud50c\ub808\uc774\ud2b8 \ubc0f \ud50c\ub7ab \ubc14:<\/strong>\u00a0\ub2e4\uc591\ud55c \ub450\uaed8\uc640 \ud3ed\uc73c\ub85c \uc81c\uacf5\ub418\uba70 \uace0\uac15\ub3c4 \uad6c\uc870\uc6a9 \uac00\uacf5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2e8\uc870 \ube14\ub85d<\/strong>\u00a0\ucd08\ub2f9 \uc6b0\uc218\ud55c \uc785\uc790 \uad6c\uc870\uc640 \uc644\uc804\uc131\uc744 \ud544\uc694\ub85c \ud558\ub294 \uc751\uc6a9 \ubd84\uc57c\ub97c \uc704\ud574 \uadc0\ud558\uc758 \uc0ac\uc591\uc5d0 \ub9de\ucd98 \ub9de\ucda4 \uc8fc\uc870 \ube14\ub85d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub9de\ucda4 \uc7ac\uace0:<\/strong>\u00a0\uc6b0\ub9ac\ub294 \uc815\ubc00 \uc808\ub2e8\uc73c\ub85c \ub2f9\uc2e0\uc758 \uc694\uad6c\uc5d0 \ub9de\ucd98 \uc0ac\uc774\uc988\ub85c \uc808\ub2e8\ud558\ub294 \u201c\uc0ac\uc774\uc988\uc5d0 \ub9de\ucdb0 \uc798\ub77c\uc8fc\ub294\u201d \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\ub2e4\uc74c \uc0dd\uc0b0 \ub2e8\uacc4\uc5d0 \ub3c4\ub2ec\ud560 \uc900\ube44\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\ub2f9\uc0ac\uc758 \uac00\uacf5 \ub2a5\ub825\uc5d0\ub294 \uc815\ubc00 \ubc00\ub9c1 \ubc0f \uc5f0\uc0ad\uc774 \ud3ec\ud568\ub418\uc5b4 \uc5c4\uaca9\ud55c \uacf5\ucc28\ub97c \ucda9\uc871\uc2dc\ud0a4\uace0 2\ucc28 \uae30\uacc4\uac00\uacf5 \uc2dc\uac04\uc744 \uc904\uc5ec\ub4dc\ub9bd\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uc7ac\ub8cc \ub0ad\ube44\ub97c \ucd5c\uc18c\ud654\ud558\uace0 \ud504\ub85c\uc81d\ud2b8 \ube44\uc6a9\uc744 \ucd5c\uc801\ud654\ud558\uae30 \uc704\ud55c \uc720\uc5f0\ud55c \uce58\uc218 \uc194\ub8e8\uc158 \uc81c\uacf5\uc5d0 \uc9d1\uc911\ud569\ub2c8\ub2e4. \uac01 \ubd80\ud488\uc758\u00a0<strong>\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>\u00a0\ub2f9\uc0ac\ub294 \uce58\uc218 \uc815\ud655\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud55c \uc5c4\uaca9\ud55c \ud488\uc9c8 \uad00\ub9ac\ub85c \ubc30\uc1a1\ub429\ub2c8\ub2e4.<\/p>\n<h2>4340 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc\ub77c\uc778<\/h2>\n<p>\uc758 \uc7a0\uc7ac\ub825\uc744 \ucd5c\ub300\ud55c \ub04c\uc5b4\ub0b4\ub824\uba74\u00a0<strong>4340 \uae08\uc18d<\/strong>, \uc815\ud655\ud55c \uc5f4\ucc98\ub9ac\uac00 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc6b0\ub9ac\ub294 \uc774\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4\u00a0<strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15<\/strong>\u00a0\uc5c4\uaca9\ud55c \uc911\uacf5\uc5c5\uc6a9 \uc751\uc6a9 \ubd84\uc57c\uc758 \uc694\uad6c\ub97c \ucda9\uc871\uc2dc\ud0a4\uae30 \uc704\ud574 \ud2b9\uc815 \uc0ac\uc774\ud074\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub354 \ub098\uc740 \uac00\uacf5\uc131\uc774\ub098 \ucd5c\ub300 \ucda9\uaca9 \uc800\ud56d\uc744 \ubaa9\ud45c\ub85c \ud558\ub4e0, \uc774 \ub4f1\uae09\uc758 \uc0b0\uc5c5 \ud45c\uc900\uc740 \uc544\ub798\uc758 \uc5f4\ucc98\ub9ac \uc21c\uc11c\uc785\ub2c8\ub2e4.<\/p>\n<h3>\ub178\uba40\ub77c\uc774\uc9d5 \ubc0f \uc5b4\ub2d0\ub9c1<\/h3>\n<p>\ucd5c\uc885 \uacbd\ud654 \uc804\uc5d0 \uc785\uc790 \uad6c\uc870\ub97c \uc815\uc81c\ud558\uace0 \uade0\uc77c\uc131\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud574 \uc790\uc8fc \ub178\uba40\ub77c\uc774\uc9d5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub178\uba40\ub77c\uc774\uc9d5:<\/strong>\u00a0\uc7ac\ub8cc\ub97c 815\u00b0C \u2013 870\u00b0C(1500\u00b0F \u2013 1600\u00b0F)\ub85c \uac00\uc5f4\ud55c \ub2e4\uc74c \uacf5\ub0c9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc5b4\ub2d0\ub9c1:<\/strong>\u00a0\uad11\ubc94\uc704\ud55c \ubd80\ud488\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/cnc-turning-guide-2026-process-materials-and-service-selection\/\">CNC \uc120\uc0ad<\/a>\u00a0\uac00\uacf5\uc774\ub098 \ubc00\ub9c1\uc758 \uacbd\uc6b0 1525\u00b0F(830\u00b0C)\uc5d0\uc11c \uc804\uccb4 \uc5b4\ub2d0\uc744 \uc218\ud589\ud55c \ud6c4 \uc11c\uc11c\ud788 \uc6a9\uac00\uc2a4 \ub0c9\uac01\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uae08\uc18d \uc81c\uac70\ub97c \uc6a9\uc774\ud558\uac8c \ud558\ub294 \uac00\uc7a5 \ubd80\ub4dc\ub7ec\uc6b4 \uc0c1\ud0dc\ub97c \ub9cc\ub4ed\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\ud01c\uce6d \ubc0f \ud15c\ud37c\ub9c1(QT) \ud504\ub85c\uc138\uc2a4<\/h3>\n<p>\ub300\ub2e4\uc218\uc758 \uace0\uac1d\uc740\u00a0<strong>\ud000\uce58\ub4dc \ubc0f \ud15c\ud37c\ub4dc 4340<\/strong>\u00a0\uac15\ub3c4\uc640 \uc5f0\uc131\uc758 \ucd5c\uc801 \uade0\ud615\uc744 \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc5d0.\u00a0<strong>\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>, \uadf8\uac83\uc740 \uc6b0\uc218\ud55c \uae4a\uc740 \uacbd\ud654 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4, \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \ud070 \ub2e8\uba74\uc5d0\uc11c\ub3c4 \uc77c\uad00\ub418\uac8c \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc624\uc2a4\ud14c\ub098\uc774\uc9d5(Austenitizing):<\/strong>\u00a0\uc6b0\ub9ac\ub294 \uac15\uc7ac\ub97c 1500\u00b0F \u2013 1550\u00b0F (815\u00b0C \u2013 845\u00b0C)\ub85c \uac00\uc5f4\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub2f4\uae08(\ud01c\uce6d, Quenching):<\/strong>\u00a0\uc624\uc77c \ucfe4\uce6d\uc740 \ud544\uc218\uc785\ub2c8\ub2e4\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\ud30c\uc190\uc744 \ubc29\uc9c0\ud558\uba74\uc11c \uc7ac\ub8cc\uac00 \ucd5c\ub300 \uacbd\ub3c4\uc5d0 \ub3c4\ub2ec\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\uc11c\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ud15c\ud37c\ub9c1:<\/strong>\u00a0\ucfe4\uce6d \ud6c4\uc5d0\ub294 \uac15\uc7ac\ub97c 400\u00b0F\uc5d0\uc11c 1200\u00b0F \uc0ac\uc774\uc5d0\uc11c \ud15c\ud37c\ub9c1\ud569\ub2c8\ub2e4. \ub0ae\uc740 \uc628\ub3c4\ub294 \ub192\uc740 \uacbd\ub3c4\uc640 \uc778\uc7a5 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\uace0, \ub354 \ub192\uc740 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ub294 \ubb34\uac70\uc6b4 \ucda9\uaca9 \ud558\uc911\uc744 \ubc1b\ub294 \ubd80\ud488\uc758 \uc778\uc131\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc774 \ubcc0\uc218\ub4e4\uc744 \uc81c\uc5b4\ud568\uc73c\ub85c\uc368 \ud2b9\uc815 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc694\uad6c\uc0ac\ud56d\uc5d0 \uc644\ubcbd\ud788 \ucd5c\uc801\ud654\ub41c \uc7ac\ub8cc\ub97c \uc81c\uacf5\ud558\uc5ec \ubaa8\ub4e0 \ube14\ub85d\uc774\ub098 \ubc14\uac00 \uc555\ub825\ud558\uc5d0\uc11c \uc548\uc815\uc801\uc73c\ub85c \uc131\ub2a5\uc744 \ubc1c\ud718\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<h2>4340 \uae08\uc18d\uc758 \uac00\uacf5 \ubc0f \uc6a9\uc811 \ud301<\/h2>\n<p>4340 \ud569\uae08\uac15\uc740 \ub192\uc740 \ud569\uae08 \uc131\ubd84\uc73c\ub85c \uc778\ud574 \ud2b9\uc815 \uc811\uadfc \ubc29\uc2dd\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc120\uc0ad, \ubc00\ub9c1 \ub610\ub294 \ubd80\ud488 \uacb0\ud569 \uc5ec\ubd80\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc774 \uc1fc\ub8f8 \ud301\uc744 \ub530\ub974\uba74 \ucd5c\uc885 \ubd80\ud488\uc758 \ubb34\uacb0\uc131\uc744 \uc720\uc9c0\ud558\uace0 \uacf5\uad6c \ud30c\uc190\uc774\ub098 \uc7ac\ub8cc \uc2e4\ud328\ub97c \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ucd5c\uc801\uc758 \uac00\uacf5\uc131\uc744 \ub2ec\uc131\ud558\uae30<\/h3>\n<p>\uac00\uc5f4\ucc98\ub9ac\ub418\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\uc5d0\uc11c,\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\uc57d 57%\uc758 \uac00\uacf5\uc131\uc73c\ub85c \uc54c\ub824\uc838 \uc788\uc73c\uba70, 1212 \ud0c4\uc18c\uac15\uc5d0 \ube44\ud574 \ub0ae\uc740 \ud3b8\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ub300\ubd80\ubd84\uc758 \uc0b0\uc5c5 \ud504\ub85c\uc81d\ud2b8\ub294 \uac00\uacf5\ub3c4\uad6c\uc5d0 \ub354 \ud070 \ud798\uc744 \uac00\ud558\ub294 \uc5f4\ucc98\ub9ac \uc0c1\ud0dc\ub85c \ud544\uc694\ub85c \ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uacf5\uad6c\/\ub3c4\uad6c \uc120\ud0dd:<\/strong>\u00a0\uc774 \ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ub4ec\uac15\uc758 \uac15\uc778\ud568\uc744 \ub2e4\ub8e8\uae30 \uc704\ud574 \uace0\uc18d \uac00\uacf5\uc5d0\ub294 \ud56d\uc0c1 \uce74\ubc14\uc774\ub4dc \uc778\uc11c\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\ub0c9\uac01\uc81c:<\/strong>\u00a0\ubb34\uac70\uc6b4 \ud669\ud654\uc720\ub098 \uc5fc\uc18c\ud654 \uac00\ub2a5\ud55c \uae30\ub984\uc774 \ud45c\uba74 \ub9c8\ubb34\ub9ac\ub97c \uad00\ub9ac\ud558\uace0 \uc5f4\uc744 \uc81c\uc5b4\ud558\ub294 \ub370 \uad8c\uc7a5\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uac15\uc131:<\/strong>\u00a0\uc124\uc815 \uac15\uc131\uc744 \ub192\uac8c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. 4340\uc740 \uc791\uc5c5 \uacbd\ud654\uc5d0 \ucde8\uc57d\ud558\ubbc0\ub85c \uc5b4\ub5a4 \uc9c4\ub3d9\uc774\ub098 \uce7c\ub7fc\uc774 \ube60\ub974\uac8c \uacf5\ucc28\ub97c \ud750\ub9ac\uac8c \ud558\uace0 \uc190\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc6a9\uc811 \uc808\ucc28 \ubc0f \uade0\uc5f4 \uc608\ubc29<\/h3>\n<p>\uc6a9\uc811\u00a0<strong>4340 \ud569\uae08\uac15<\/strong>\u00a0\uac00\ub2a5\ud558\uae34 \ud558\ub098 \uc21c\uc218 \uac15\uc758\uc6a9 \uac15\uc744 \uc6a9\uc811\ud558\ub294 \uac83\ub9cc\ud07c \uac04\ub2e8\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uae4a\uc740 \uacbd\ud654 \ud2b9\uc131 \ub54c\ubb38\uc5d0 \uc62c\ubc14\ub978 \uc5f4 \uc21c\uc11c\ub97c \ub530\ub974\uc9c0 \uc54a\uc73c\uba74 \uc218\uc18c \uc720\ubc1c \uade0\uc5f4\uc5d0 \ub300\ud574 \ub9e4\uc6b0 \ucde8\uc57d\ud569\ub2c8\ub2e4.<\/p>\n<div class=\"table-responsive\">\n<table class=\"table\">\n<thead>\n<tr>\n<th>\uacf5\uc815 \ub2e8\uacc4<\/th>\n<th>\ud544\uc694\ud55c \uc870\uce58<\/th>\n<th>\uad8c\uc7a5 \uc628\ub3c4\/\ube44\uace0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\uc0ac\uc804 \uac00\uc5f4<\/strong><\/td>\n<td>\uc911\uc694 \ub2e8\uacc4<\/td>\n<td>\ub450\uaed8 \uad6c\uac04\uc744 \uae30\uc900\uc73c\ub85c 400\u00b0F\uc5d0\uc11c 600\u00b0F(200\u00b0C \u2013 315\u00b0C).<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc778\ud130\ud328\uc2a4<\/strong><\/td>\n<td>\uc5f4 \uc720\uc9c0<\/td>\n<td>\uc6a9\uc811 \uc804\uccb4 \uae30\uac04 \ub3d9\uc548 \uc7ac\ub8cc\ub97c \uc608\uc5f4 \ubc94\uc704 \ub0b4\uc5d0 \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/td>\n<\/tr>\n<tr>\n<td><strong>\ud6c4\uc5f4<\/strong><\/td>\n<td>\uc751\ub825 \ud574\uc18c<\/td>\n<td>\uc624\ube10\uc774\ub098 \ubaa8\ub798\uc5d0\uc11c\uc758 \ub290\ub9b0 \ub0c9\uac01\uc740 \ud544\uc218\uc774\uba70; \uadf8 \ud6c4 \uc751\ub825 \ud574\uc18c \uc5b4\ub2d0\uc744 \uc218\ud589\ud558\uc2ed\uc2dc\uc624.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\ub9cc\uc57d\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\uc774\ubbf8 \ub2f4\uae08\uc9c8\uacfc \ud15c\ud37c\ub9c1 \uc0c1\ud0dc\uc5d0 \uc788\ub294 \uacbd\uc6b0, \uc6a9\uc811\uc740 \uc6a9\uc811 \ubd80\uadfc\uc5d0 \uc18c\ud504\ud2b8 \uc874\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc7ac\ub8cc\uc758 \uace0\uac15\ub3c4 \ud2b9\uc131\uc744 \ud68c\ubcf5\ud558\ub824\uba74 \uc6a9\uc811\uc774 \uc644\ub8cc\ub41c \ud6c4 \uc804\uccb4 \ubd80\ud488\uc744 \uc7ac\uc5f4\ucc98\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4. \ucde8\ucde8\ub97c \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ud56d\uc0c1 \uc800\uc218\uc18c \uc804\uadf9\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n<h2>\uace0\uc2a4\ud2b8\ub808\uc2a4 \uc0b0\uc5c5\uc5d0\uc11c_Common 4340 \uae08\uc18d\uc758 \uc751\uc6a9<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1281\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x300.jpg\" alt=\"\" width=\"342\" height=\"342\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x300.jpg 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-150x150.jpg 150w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-768x768.jpg 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-12x12.jpg 12w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-600x600.jpg 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-100x100.jpg 100w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal.jpg 900w\" sizes=\"auto, (max-width: 342px) 100vw, 342px\" \/><\/p>\n<p>\ud504\ub85c\uc81d\ud2b8\uac00 \uadf9\ud55c\uc758 \uac15\uc778\ud568\uacfc \uc2e0\ub8b0\uc131\uc744 \ud544\uc694\ub85c \ud558\ub294 \uacbd\uc6b0,\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\uc740\/\ub294 \uacf5\ud559\uc790\ub4e4\uc5d0\uac8c \uae30\ubcf8 \uc120\ud0dd\uc9c0\uc785\ub2c8\ub2e4. \uae4a\uc740 \uacbd\ud654 \ud2b9\uc131\uacfc \uc6b0\uc218\ud55c \ud53c\ub85c \uc800\ud56d\uc131 \ub54c\ubb38\uc5d0 \uc774\uac83\uc740\u00a0<strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15<\/strong>\u00a0\uc740 \uc911\uc694\ud55c \ubd80\ubb38\uc5d0\uc11c \uad6c\uc131 \uc694\uc18c\uc758 \uace0\uc7a5\ub098\uc9c0 \uc54a\uc544\uc57c \ud558\ub294 \uacf3\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc6b0\ub9ac\ub294\u00a0<strong>AISI 4340 \uac15\uc7ac<\/strong>\u00a0\uc744(\ub97c) \ubbf8\uad6d \ubc0f \uae00\ub85c\ubc8c \uc2dc\uc7a5\uc758 \ub2e4\uc591\ud55c \uae4c\ub2e4\ub85c\uc6b4 \ud658\uacbd\uc5d0 across \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ud56d\uacf5\uc6b0\uc8fc \ubc0f \ubc29\uc704 \uc0b0\uc5c5:<\/strong>\u00a0\uc885\uc885 \uc544\ub798\ucc98\ub7fc \uc9c0\uc815\ub429\ub2c8\ub2e4\u00a0<strong>\ud56d\uacf5\uae30 \ub4f1\uae09 4340<\/strong>, \uc774\ub294 \ucd5c\ub300 \uac15\ub3c4 \ub300 \uc911\ub7c9 \ube44\uc728\uc774 \ud544\uc694\ud55c \ucc29\ub959\uc7a5\uce58, \uad6c\uc870\uc801 \uc5b4\uc148\ube14\ub9ac \ubc0f \uc5d4\uc9c4 \ubd80\ud488\uc758 \ud45c\uc900\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\ub825 \uc804\uc1a1:<\/strong>\u00a0\ubb34\uac70\uc6b4 \uae30\uc5b4, \uad6c\ub3d9 \ucd95 \ubc0f \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8\ub97c \uc81c\uc870\ud558\ub294 \ub370 \ud544\uc218\uc801\uc73c\ub85c \ud544\uc694\ud55c \uac83\uc740 \uc9c0\uc18d\uc801\uc778 \ud1a0\ud06c\uc640 \uac15\ud55c \uc9c4\ub3d9\uc5d0 \uacac\ub51c \uc218 \uc788\uc5b4\uc57c \ud55c\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc11d\uc720 \ubc0f \uac00\uc2a4 \uc0b0\uc5c5:<\/strong>\u00a0\uae4a\uc740 \uad6c\uba4d \uc2dc\ucd94 \ub3c4\uad6c, \uace0\uc555 \ubc38\ube0c \ubc0f \ub4dc\ub9b4 \uce74\ub7f4\uc5d0\uc11c \ucda9\uaca9 \uc800\ud56d\uc774 \uae4a\uc774\uc5d0\uc11c \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc790\ub3d9\ucc28 \uacf5\ud559:<\/strong>\u00a0\uc5f0\uacb0\ub85c\ub4dc, \ucc28\ucd95 \ubc0f \uc2a4\ud2f0\uc5b4\ub9c1 \ub108\ud074\uacfc \uac19\uc774 \ubc18\ubcf5\uc801 \ud558\uc911\uc5d0 \uc9c1\uba74\ud558\ub294 \uace0\uc2a4\ud2b8\ub808\uc2a4 \ubd80\ud488\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc801\ud569\ud55c \uc7ac\ub8cc\ub97c \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uc7a5\uae30\uc801\uc778 \uc131\ub2a5\uc5d0 \uacb0\uc815\uc801\uc774\uba70, \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/alloy-steel-vs-stainless-steel\/\">\ud569\uae08\uac15 \ub300 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/a>\u00a0\uba54\ucee4\ub2c8\uceec \uc2a4\ud2b8\ub808\uc2a4\ub97c \ud578\ub4e4\ub9c1\ud558\ub294 \ub2a5\ub825\uc740 \ud2b9\uc815 \uae30\uacc4\uc5d0 4340\uc774 \uc801\ud569\ud55c\uc9c0 \uacb0\uc815\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc911\uc7a5\ube44\uc6a9 \ubcfc\ud2b8\uc640 \uc0b0\uc5c5\uc6a9 \ud328\uc2a4\ub108\uc758 \uacbd\uc6b0 \ub2c8\ucf08-\ubab0\ub9ac\ub4c0\ub284 \uad6c\uc131\uc758\u00a0<strong>4340 \ud569\uae08\uac15<\/strong>\u00a0\ud53c\ub85c \uac15\ub3c4\ub97c \uc81c\uacf5\ud558\uc5ec \uade0\uc5f4 \uc5c6\uc774 \uadf9\uc2ec\ud55c \uc8fc\uae30 \ud558\uc911\uc744 \uacac\ub51c \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.<\/p>\n<h2>4340 vs 4140: \uc62c\ubc14\ub978 \ub4f1\uae09 \uc120\ud0dd<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1282\" src=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x200.webp\" alt=\"\" width=\"443\" height=\"295\" srcset=\"https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-300x200.webp 300w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-768x512.webp 768w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-18x12.webp 18w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal-600x400.webp 600w, https:\/\/haoyumaterial.com\/wp-content\/uploads\/2026\/01\/4340-metal.webp 900w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p>\ub2e4\uc74c \uc911\uc5d0\uc11c \uacb0\uc815\ud558\uae30\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\uadf8\ub9ac\uace0 4140\uc740 \uc885\uc885 \ubd80\ud488\uc758 \ud06c\uae30\uc640 \uadf8 \ubd80\ud488\uc774 \uacac\ub38c\uc57c \ud560 \uc751\ub825\uc758 \uc2ec\uac01\uc131\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \ub450 \uacbd\uc6b0 \ubaa8\ub450\u00a0<strong>\uace0\uac15\ub3c4 \ud569\uae08\uac15<\/strong>\u00a0\uc635\uc158,\u00a0<strong>AISI 4340 \uac15\uc7ac<\/strong>\u00a0\ub2c8\ucf08\uc744 \ud568\uc720\ud558\uace0 \uc788\uc5b4 \ub450\uaebc\uc6b4 \ubd80\uc7ac\uc758 \uc2ec\ubd80\uc5d0\uc11c 4140\uc774 \uac15\ub3c4\ub97c \uc783\uc744 \uc218 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub3c4 \uae4a\uc740 \uce68\ud0c4\uc73c\ub85c \ud070 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>\ub2c8\ucf08-\ubab0\ub9ac\ub4c0\ub284 \ud569\uae08\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud560 \uc2dc\uc810<\/h3>\n<p>\ub2f9\uc2e0\uc740 \ucd5c\ub300\ud55c \ube68\ub9ac \uc774\ub3d9\ud574\uc57c \ud569\ub2c8\ub2e4\u00a0<strong>4340 \ud569\uae08\uac15<\/strong>\u00a0\ud504\ub85c\uc81d\ud2b8\uac00 \ud544\uc694\ub85c \ud560 \ub54c:<\/p>\n<ul>\n<li><strong>\uae4a\uc740 \uacbd\ud654\uc131\ub3c4:<\/strong>\u00a04340\uc740 4140\uc5d0 \ube44\ud574 \ub354 \ud070 \uc9c1\uacbd\uc5d0\uc11c\uc57c \ube44\ub85c\uc18c \uc644\uc804\ud55c \uacbd\ub3c4\ub97c \ubc1c\ud718\ud55c\ub2e4.<\/li>\n<li><strong>\uc6b0\uc218\ud55c \uc778\uc131:<\/strong>\u00a0\ub2c8\ucf08\uc758 \ucd94\uac00\ub294 \ucc28\uac00\uc6b4 \ud658\uacbd\uc5d0\uc11c\ub3c4 \ub192\uc740 \ucda9\uaca9 \uc800\ud56d\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ud53c\ub85c \uc800\ud56d:<\/strong>\u00a0\uacc4\uc18d\uc801\uc778 \uc21c\ud658 \ud558\uc911 \ud558\uc5d0\uc11c 4340\uc758 \ud53c\ub85c\uac15\ub3c4\ub294 \ud604\uc800\ud788 \ub354 \ub192\ub2e4.<\/li>\n<\/ul>\n<h3>\ube44\uc6a9 \ub300 \uc131\ub2a5 \uc774\uc810<\/h3>\n<p>4140\uc740 \uc77c\ubc18 \ubaa9\uc801 \uace0\uac15\ub3c4 \ubd80\ud488\uc5d0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \uc120\ud0dd\uc774\uc9c0\ub9cc,\u00a0<strong>4340 \uae08\uc18d<\/strong>\u00a0\uc740 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\uc5d0 \ub300\ud55c \ubcf4\ud5d8 \uc815\ucc45\uc774\ub2e4. \ub354 \ub192\uc740 \ube44\uc6a9\uc740 \ub2c8\ucf08 \ud568\ub7c9\uacfc \uadf8\uac83\uc774 \uac00\uc838\ub2e4\uc8fc\ub294 \uc2e0\ub8b0\ub3c4\ub97c \ubc18\uc601\ud55c\ub2e4. \uc911\uc7a5\ube44 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ubd80\ud488 \uc2e4\ud328 \ubc0f \uc720\uc9c0 \ubcf4\uc218\uc758 \uc7a5\uae30\uc801\uc778 \uc808\uac10\uc774 \ucd08\uae30 \uc7ac\ub8cc \uac00\uaca9\uc744 \ub2a5\uac00\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4. \uc120\ud0dd\ud558\ub294\u00a0<strong>\ub2c8\ucf08 \ud06c\ub86c \ubab0\ub9ac\ube0c\ub374 \uac15<\/strong>\u00a0\uc740 \uade0\uc5f4\uc774\ub098 \uc870\uae30 \ub9c8\ubaa8 \uc5c6\uc774 \ubd80\ud488\uc774 \uac00\uc7a5 \ud070 \ud558\uc911\uc744 \uacac\ub514\ub3c4\ub85d \ud55c\ub2e4. \uc6b0\ub9ac\ub294 \ub450 \uac00\uc9c0 \ub4f1\uae09\uc744 \ubaa8\ub450 \uacf5\uae09\ud558\uc9c0\ub9cc, \ub450\uaed8\uac00 \ub450\uaebc\uc6b4 \ubd80\ud488\uacfc \ud56d\uacf5\uc6b0\uc8fc \uc218\uc900\uc758 \uc694\uad6c \uc0ac\ud56d\uc5d0\ub294 4340\uc774 \ud45c\uc900 \uc120\ud0dd\uc774\ub2e4.<\/p>\n<h2>4340 \uae08\uc18d\uc758 \ub9de\ucda4 \uc11c\ube44\uc2a4 \ubc0f \ud488\uc9c8 \ubcf4\uc99d<\/h2>\n<p>\uc6b0\ub9ac\ub294 \uc6d0\uc7ac\ub8cc \uadf8 \uc774\uc0c1\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4\u00a0<strong>4340 \uae08\uc18d<\/strong>; \uc6b0\ub9ac\ub294 \uac00\uc7a5 \uae4c\ub2e4\ub85c\uc6b4 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ud45c\uc900\uc744 \ucda9\uc871\ud558\ub3c4\ub85d \uc124\uacc4\ub41c \ud504\ub85c\uc81d\ud2b8 \uc644\uc131 \uc194\ub8e8\uc158\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\uc758 \uc2dc\uc124\uc740 \uc815\ubc00 \uac00\uacf5\uc5d0 \uc801\ud569\ud558\ub3c4\ub85d \uc7a5\ube44\ub418\uc5b4 \uc788\uc5b4 \uc2dc\uac04\uc744 \uc808\uc57d\ud558\uace0 2\ucc28 \uac00\uacf5 \ube44\uc6a9\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4. \ud2b9\uc815 \uae38\uc774\ub098 \ub124\ud2b8 \ub124\ud2b8 \ubaa8\uc591\uc774 \ud544\uc694\ud558\ub4e0, \ubaa8\ub4e0 \uc8fc\ubb38\uc744 \uc0b0\uc5c5 \ub4f1\uae09 \uc815\ud655\ub3c4\ub85c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc815\ubc00 \uac00\uacf5 \ubc0f \uc2dc\ud5d8<\/h3>\n<p>\uc6b0\ub9ac\ub294 \uadc0\ud558\uc758\u00a0<strong>4340 \ud569\uae08\uac15<\/strong>\u00a0\uac00 \uc989\uc2dc \uc0ac\uc6a9\ud560 \uc218 \uc788\ub3c4\ub85d \uc804\uccb4 \uc11c\ube44\uc2a4 \ubc30\uc5f4\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc815\ubc00 \uc808\ub2e8:<\/strong>\u00a0\ubaa8\ub4e0 \uc6d0\ud615 \ubc14, \ud3c9\ubc14, \ud310\uc7ac\uc5d0 \ub300\ud574 \ud504\ub85c\uc81d\ud2b8 \uce58\uc218\uc5d0 \ub9de\ucd98 \uc0ac\uc774\uc988 \uc808\ub2e8\uc744 \uc704\ud55c \uace0\uae09 \ubc34\ub4dc\ud1b1 \u201c\ucef7-\ud22c-\uc0ac\uc774\uc988\u201d \uc11c\ube44\uc2a4.<\/li>\n<li><strong>\ud45c\uba74 \uc900\ube44:<\/strong>\u00a0\ud544\uc694\ud55c \ud45c\uba74 \ub9c8\uac10 \ubc0f \uce58\ubc00\ud55c \uacf5\ucc28\ub97c \ub2ec\uc131\ud558\uae30 \uc704\ud55c \uc804\ubb38 \uc5f0\uc0ad \ubc0f \uac00\uacf5 \uc11c\ube44\uc2a4.<\/li>\n<li><strong>\ucd08\uc74c\ud30c \uac80\uc0ac (UT):<\/strong>\u00a0\uc6b0\ub9ac\ub294 \ubaa8\ub4e0 \ubd80\ud488\uc5d0 \ub300\ud574 \ub0b4\ubd80 \uacb0\ud568 \ud0d0\uc9c0\ub97c \uc5c4\uaca9\ud788 \uc218\ud589\ud558\uc5ec\u00a0<strong>4340 \uc7ac\uc9c8<\/strong>\u00a0\ub0b4\ubd80 \ud3ec\ud568\ubb3c\uc774\ub098 \uade0\uc5f4\uc774 \uc5c6\uc73c\ubbc0\ub85c \uc911\uc694\ud55c \uace0\ud558\uc911 \uc751\uc6a9\uc5d0 \uc548\uc804\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>\uc778\uc99d\ub41c \ud488\uc9c8 \ud45c\uc900<\/h3>\n<p>\uc2e0\ub8b0\uc131\uc740 \uc6b0\ub9ac\uc758 \uae30\uc900\uc120\uc785\ub2c8\ub2e4. \ubaa8\ub4e0 \uc120\uc801\u00a0<strong>AISI 4340 \uac15\uc7ac<\/strong>\u00a0\ub294\u00a0<strong>EN 10204 3.1\uc5d0 \ub530\ub978 \uc7ac\uc9c8 \uc2dc\ud5d8 certificates (MTC)<\/strong>, \ud654\ud559\uc801 \uc5f4 \ubd84\uc11d \ubc0f \uae30\uacc4\uc801 \uc131\ub2a5\uc758 \uc804\uccb4 \ucd94\uc801 \uac00\ub2a5\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc6b0\ub9ac\uc758 \uc6b4\uc601\uc740 \uc5c4\uaca9\ud55c\u00a0<strong>ISO \uc778\uc99d<\/strong>\u00a0\ud45c\uc900\uc744 \uc900\uc218\ud558\uba70, \uacf5\uae09\ub9dd \uc804\ubc18\uc5d0 \uac78\uccd0 \ud3ec\uad04\uc801\uc778\u00a0<a href=\"https:\/\/haoyumaterial.com\/ko\/technology\/testing-and-quality\/\">\uc2dc\ud5d8 \ubc0f \ud488\uc9c8 \uad00\ub9ac<\/a>\u00a0\uc870\uce58\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4. \uadc0\ud558\uac00 \ubc1b\uc73c\uc2dc\ub294 \uc7ac\ub8cc\uac00 \uadc0\ud558\uc758 \uae30\uc220 \uc0ac\uc591\uacfc \uc815\ud655\ud788 \uc77c\uce58\ud55c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc7a5\ud558\uc5ec \uc644\uc131 \ubd80\ud488\uc5d0 \ub300\ud55c \uc644\uc804\ud55c \uc2e0\ub8b0\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>4340 Metal: The Ultimate High-Strength Alloy Steel When your project demands a material that won\u2019t fail under extreme stress,\u00a04340 metal\u00a0is 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