{"id":650,"date":"2026-03-03T02:34:08","date_gmt":"2026-03-03T02:34:08","guid":{"rendered":"https:\/\/www.jccncmachining.com\/material\/\/"},"modified":"2026-03-03T02:34:08","modified_gmt":"2026-03-03T02:34:08","slug":"4340-%ea%b0%95","status":"publish","type":"material_model","link":"https:\/\/www.jccncmachining.com\/ko\/%ec%9e%ac%eb%a3%8c\/%ea%b0%95%ec%b2%a0\/4340-%ea%b0%95\/","title":{"rendered":"4340 \uac15"},"content":{"rendered":"<p><!-- Section: Machining Capabilities for 4340 Steel --><\/p>\n<div class=\"machining-capabilities\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">4340 \uac15 \uac00\uacf5 \uc5ed\ub7c9<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 30px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"text-align: left; width: 25%;\">\uc5ed\ub7c9<\/th>\n<th style=\"text-align: left; width: 45%;\">\uae30\uc220 \uc124\uba85<\/th>\n<th style=\"text-align: left; width: 30%;\">Jucheng\uc758 \uac15\uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\ub300\ud615 \ub2e8\uba74 \uac00\uacf5<\/strong><\/td>\n<td>4340\uc740 \ub9e4\uc6b0 \ub450\uaebc\uc6b4 \ub2e8\uba74\uc5d0\uc11c\ub3c4 \ub192\uc740 \uac15\ub3c4\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \ub2f9\uc0ac\ub294 \ub2e8\uc870 \ube4c\ub81b\uc5d0\uc11c \ub300\uad6c\uacbd \uad6c\ub3d9 \ubd80\ud488\uc744 \uac00\uacf5\ud569\ub2c8\ub2e4.<\/td>\n<td>\ub2f9\uc0ac\uc758 \uace0\ud1a0\ud06c Mazak CNC \uc13c\ud130\ub294 4340\uc758 \uadf9\ud55c \uc778\uc131\uc744 \ucc98\ub9ac\ud558\uba70 \ub300\ud615 \uacf5\uc791\ubb3c \uc804\ubc18\uc5d0 \uac78\uccd0 \uce58\uc218 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>\uc644\uc804 \uacbd\ud654 \ub9c8\ubb34\ub9ac<\/strong><\/td>\n<td>\ucd5c\ub300 \ud53c\ub85c \uc218\uba85\uacfc \uac15\ub3c4\ub97c \uc704\ud574 36-40 HRC\ub85c \uc5f4\ucc98\ub9ac\ub41c \ud6c4 4340\uc744 \uac00\uacf5\ud569\ub2c8\ub2e4.<\/td>\n<td>\ub2f9\uc0ac\ub294 \ud2b9\uc218 \uc138\ub77c\ubbf9 \ubc0f CBN \uacf5\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacbd\ud654\ub41c 4340\uc744 \uc808\uc0ad\ud558\uc5ec \uc6b0\uc218\ud55c \ud45c\uba74 \uac74\uc804\uc131\uc744 \uac16\ucd98 \uc644\uc131 \ubd80\ud488\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>5\ucd95 \uad6c\uc870\ubb3c \ubc00\ub9c1<\/strong><\/td>\n<td>\ubcf5\uc7a1\ud55c \ud615\uc0c1\uc758 \uace0\uc751\ub825 \uad6c\uc870 \uae30\uccb4 \ubd80\ud488\uc744 \ubc00\ub9c1\ud569\ub2c8\ub2e4.<\/td>\n<td>Jucheng\uc758 5\ucd95 \uc5ed\ub7c9\uc740 \ubcf5\uc7a1\ud55c \ud56d\uacf5\uc6b0\uc8fc \ud53c\ud305\uc774 \ucd5c\uc18c\ud55c\uc758 \uc14b\uc5c5\uc73c\ub85c \uac00\uacf5\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud558\uc5ec \uae30\ud558\ud559\uc801 \uc815\ub82c\uc744 \ubcf4\uc99d\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td><strong>\ucd08\uc815\ubc00 \uc5f0\uc0ad<\/strong><\/td>\n<td>\uace0\uc18d \ud68c\uc804 \ubd80\ud488\uc744 \uc704\ud55c \uc911\uc694\ud55c \ubca0\uc5b4\ub9c1 \ubc0f \uc2dc\uc77c \uc800\ub110\uc5d0 Ra 0.2\u03bcm \ub9c8\ubb34\ub9ac\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4.<\/td>\n<td>\ud45c\uba74 \uacb0\ud568\uc774 \uce58\uba85\uc801\uc778 \ud53c\ub85c \ud30c\uad34\ub97c \ucd08\ub798\ud560 \uc218 \uc788\ub294 \ub79c\ub529 \uae30\uc5b4 \ubc0f \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- Section: Fabrication Guidelines --><\/p>\n<div class=\"fabrication-guidelines\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">4340 \ud569\uae08\uac15 \uc81c\uc791 \uc9c0\uce68<\/h3>\n<p><strong>\ucd5c\uace0\uc758 \uc2ec\uacbd\ud654\ub2a5:<\/strong><br \/>\n4340\uc740 \ub2c8\ucf08 \ud568\ub7c9 \ub355\ubd84\uc5d0 \u201c\uc2ec\uacbd\ud654(deep hardening)\u201d \ud2b9\uc131\uc73c\ub85c \uc720\uba85\ud569\ub2c8\ub2e4. 4140\uc774 \uc2e4\ud328\ud560 \ubd80\uc704\uc5d0\uc11c\ub3c4 \ub192\uc740 \uc218\uc900\uc73c\ub85c \uacbd\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>\ud301:<\/strong> \uc9c1\uacbd 3\uc778\uce58 \uc774\uc0c1\uc758 \ub300\ud615 \uc911\uc694 \uc0e4\ud504\ud2b8\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n<p><strong>\uc808\uc0ad\uc131 \ub4f1\uae09:<\/strong><br \/>\n4340\uc740 4140\ubcf4\ub2e4 \uc778\uc131\uc774 \ub192\uace0 \uc5f0\uc0ad\uc131\uc774 \ub354 \ud07d\ub2c8\ub2e4. \uae30\uacc4\uac00\uacf5\uc131\uc740 1212\uc758 \uc57d 55%\uc785\ub2c8\ub2e4. <strong>\ud301:<\/strong> \uc774 \uac15\uc778\ud55c \ud569\uae08\uc5d0\uc11c \uacf5\uad6c \ucc44\ud130\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ub0ae\uc740 \uc808\uc0ad \uc18d\ub3c4\uc640 \ub192\uc740 \uac15\uc131\uc758 \uacf5\uc791\ubb3c \uace0\uc815\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc218\uc18c \ucde8\uc131 \uc704\ud5d8:<\/strong><br \/>\n\uace0\uac15\ub3c4 4340\uc740 \ub3c4\uae08 \uc911 \uc218\uc18c \ucde8\uc131\uc5d0 \ucde8\uc57d\ud569\ub2c8\ub2e4. <strong>\ud301:<\/strong> \ubd80\ud488\uc5d0 \uc544\uc5f0 \ub610\ub294 \uce74\ub4dc\ubbb4 \ub3c4\uae08\uc744 \ud558\ub294 \uacbd\uc6b0, \uad6c\uc870\uc801 \uc548\uc804\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \ub3c4\uae08 \uc9c1\ud6c4 \ud544\uc218\uc801\uc778 \u201c\ubca0\uc774\ud06c\uc544\uc6c3\u201d \uc0ac\uc774\ud074\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<p><strong>\uc5f4\ucc98\ub9ac \uc815\ubc00\ub3c4:<\/strong><br \/>\n\ucd5c\uace0 \uc131\ub2a5\uc5d0 \ub3c4\ub2ec\ud558\ub824\uba74 4340\uc740 \uc624\uc77c \ub2f4\uae08\uc9c8\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \ubcc0\ud615\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 \ub178\uba40\ub77c\uc774\uc9d5 \ubc0f \uc751\ub825 \uc81c\uac70\ub41c \uc18c\uc7ac\ub97c \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<p><!-- Section: Application Scenarios --><\/p>\n<div class=\"application-scenarios\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">\uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c<\/h3>\n<p><strong>\ud56d\uacf5\uc6b0\uc8fc \ubc0f \ud56d\uacf5<\/strong><br \/>\n\ud56d\uacf5\uae30 \ucc29\ub959\uc7a5\uce58, \uad6c\uc870\uc6a9 \uae30\uccb4 \ubd80\uc7ac, \uadf8\ub9ac\uace0 \uc2e4\ud328\uac00 \uc6a9\ub0a9\ub418\uc9c0 \uc54a\ub294 \uc5d4\uc9c4 \uc7a5\ucc29 \ud53c\ud305.<\/p>\n<p><strong>\uc911\uc7a5\ube44 \ub3d9\ub825 \uc804\ub2ec<\/strong><br \/>\n\uc0c1\uc5c5 \ubc0f \uad70\uc6a9 \ud574\uc591 \uc5d4\uc9c4\uc6a9 \uace0\ud1a0\ud06c \uad6c\ub3d9 \uc0e4\ud504\ud2b8, \uc911\ud558\uc911 \uae30\uc5b4, \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8.<\/p>\n<p><strong>\uad6d\ubc29 \ubc0f \ubcd1\uae30<\/strong><br \/>\n\uadf9\ud55c\uc758 \ucda9\uaca9 \ubc0f \ucda9\uaca9 \ud558\uc911\uc744 \uacac\ub38c\uc57c \ud558\ub294 \ucd1d\ud3ec\uc2e0, \ud3d0\uc1c4\uae30 \ube14\ub85d, \uace0\uac15\ub3c4 \uccb4\uacb0\uad6c.<\/p>\n<p><strong>\ubaa8\ud130\uc2a4\ud3ec\uce20<\/strong><br \/>\n\uadf9\ud55c\uc758 \ubc18\ubcf5 \uc751\ub825\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ub808\uc774\uc2f1 \uc5d4\uc9c4\uc6a9 \ucd08\uace0\uc131\ub2a5 \ucee4\ub125\ud305 \ub85c\ub4dc \ubc0f \uc561\uc2ac.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>4340 Steel Machining Capabilities Capability Technical Description Jucheng Advantage Heavy Section Machining 4340 maintains its high strength even in very thick sections. We machine large diameter drive components from solid forged billets. Our high-torque Mazak CNC centers handle the extreme toughness of 4340, maintaining dimensional stability across large workpieces. Through-Hardened Finishing Machining 4340 after it [&hellip;]<\/p>\n","protected":false},"featured_media":651,"template":"","meta":[],"class_list":["post-650","material_model","type-material_model","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.jccncmachining.com\/ko\/wp-json\/wp\/v2\/material_model\/650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jccncmachining.com\/ko\/wp-json\/wp\/v2\/material_model"}],"about":[{"href":"https:\/\/www.jccncmachining.com\/ko\/wp-json\/wp\/v2\/types\/material_model"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/ko\/wp-json\/wp\/v2\/media\/651"}],"wp:attachment":[{"href":"https:\/\/www.jccncmachining.com\/ko\/wp-json\/wp\/v2\/media?parent=650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}