{"id":13101,"date":"2026-08-06T07:53:39","date_gmt":"2026-08-06T07:53:39","guid":{"rendered":"https:\/\/weldomachining.com\/?p=13101"},"modified":"2026-08-06T07:54:23","modified_gmt":"2026-08-06T07:54:23","slug":"4340-steel-guide","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ko\/4340-steel-guide\/","title":{"rendered":"\u200c4340 \ud569\uae08\uac15 \uc2e4\uc6a9 \uac00\uc774\ub4dc\u200c"},"content":{"rendered":"<p class=\"wp-block-paragraph\">4340\uc740 \uc911\ud0c4\uc18c \ub2c8\ucf08-\ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374 \ud569\uae08\uac15\uc785\ub2c8\ub2e4.<br>AISI\/SAE \ud45c\uc900 \ub4f1\uae09: 4340. UNS \ubc88\ud638: G43400.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub9de\ucda4\ud615 \ubd80\ud488 \uc870\ub2ec \ubd84\uc57c\uc5d0\uc11c 4340\uc740 \u201c\uace0\uac15\ub3c4 + \uace0\uc778\uc131\u201d\uc774\ub77c\ub294 \uc885\ud569\uc801\uc778 \uc131\ub2a5\uc73c\ub85c \uc815\ud3c9\uc774 \ub098 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uac15\ucca0\uc5d0 \uc18d\ud558\uba70, \uc5f4\ucc98\ub9ac \uacf5\uc815\uc744 \ud1b5\ud574 \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc18c\uc7ac\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131, \uac00\uacf5 \uc694\uac74 \ubc0f \uc5f4\ucc98\ub9ac\uac00 \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc219\uc9c0\ud558\uba74 \ubd80\ud488\uc758 \uc720\uc9c0\ubcf4\uc218 \ube44\uc6a9\uacfc \ubd80\uc18d\ud488\uc758 \uc218\uba85\uc744 \ubcf4\ub2e4 \ud6a8\uacfc\uc801\uc73c\ub85c \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc5d0\uc11c\ub294 \uc774 \uc18c\uc7ac\uc5d0 \ub300\ud574 \uc885\ud569\uc801\uc73c\ub85c \uc18c\uac1c\ud574 \ub4dc\ub9ac\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/small-batch4340-steel-part-with-Tempering.webp\" alt=\"\ud15c\ud37c\ub9c1 \ucc98\ub9ac\uac00 \ub41c \uc18c\ub7c9 \uc0dd\uc0b0 4340 \uac15\ucca0 \ubd80\ud488\" class=\"wp-image-12005\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/small-batch4340-steel-part-with-Tempering.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/small-batch4340-steel-part-with-Tempering-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/small-batch4340-steel-part-with-Tempering-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/small-batch4340-steel-part-with-Tempering-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/07\/small-batch4340-steel-part-with-Tempering-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">\ud15c\ud37c\ub9c1 \ucc98\ub9ac\uac00 \ub41c \uc18c\ub7c9 \uc0dd\uc0b0 4340 \uac15\ucca0 \ubd80\ud488<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340\uc758 \ud654\ud559 \uc131\ubd84\uc5d0 \ub300\ud55c \uc0c1\uc138 \uc124\uba85<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5d0 \ub530\ub974\uba74 <a href=\"https:\/\/www.solitaire-overseas.com\/blog\/astm-a29-steel\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM A29<\/a> \ud45c\uc900\uc5d0 \ub530\ub974\uba74, 4340 \ud569\uae08\uac15\uc758 \ud654\ud559 \uc131\ubd84 \ubc94\uc704\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\uc694\uc18c<\/th><th>\ud568\uc720 \ubc94\uc704<\/th><th>\ud575\uc2ec \uae30\ub2a5<\/th><\/tr><\/thead><tbody><tr><td>\ud0c4\uc18c (C)<\/td><td>0.38% \u2013 0.43%<\/td><td>\ub2f4\uae08\uc9c8 \uacbd\ub3c4\uc758 \uc0c1\ud55c\uc744 \uacb0\uc815\ud558\uba70, \uac00\uacf5\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ub2c8\ucf08(Ni)<\/td><td>1.65% \u2013 2.00%<\/td><td>\uc778\uc131\uc744 \ub192\uc774\uace0, \uc800\uc628 \ucda9\uaca9 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4<\/td><\/tr><tr><td>\ud06c\ub86c(Cr)<\/td><td>0.70% \u2013 0.90%<\/td><td>\uacbd\ud654\uc131 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4<\/td><\/tr><tr><td>\ubab0\ub9ac\ube0c\ub374(Mo)<\/td><td>0.20% \u2013 0.30%<\/td><td>\uacb0 \uad6c\uc870\ub97c \ubbf8\uc138\ud558\uac8c \ud558\uace0, \uc5f4\ucc98\ub9ac \ucde8\uc131\uc744 \uc5b5\uc81c\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\ub9dd\uac04 (Mn)<\/td><td>0.60% \u2013 0.80%<\/td><td>\uc0b0\uc18c \ubc0f \ud669 \uc131\ubd84\uc744 \uc81c\uac70\ud558\uace0, \uace0\uc628 \uac00\uacf5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc2e4\ub9ac\ucf58 (Si)<\/td><td>0.15% \u2013 0.35%<\/td><td>\ud0c8\uc0b0\uc81c, \ubcf4\uc870 \uac15\ud654\uc81c<\/td><\/tr><tr><td>\uc778 (P)<\/td><td>\u22640.035%<\/td><td>\ubd88\uc21c\ubb3c, \uc801\uc744\uc218\ub85d \uc88b\ub2e4<\/td><\/tr><tr><td>\ud669 (S)<\/td><td>\u22640.040%<\/td><td>\ubd88\uc21c\ubb3c\uc774\uc9c0\ub9cc, \uc801\uc815\ub7c9\uc744 \ucca8\uac00\ud558\uba74 \uac00\uacf5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\ub2e4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc8fc\uc694 \ud574\uc11d:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2c8\ucf08 \ud568\ub7c9\uc740 4340\uc744 4140\uacfc \uac19\uc740 \ud06c\ub86c-\ubab0\ub9ac\ube0c\ub374\uac15\uacfc \uad6c\ubcc4\ud558\ub294 \ud575\uc2ec\uc801\uc778 \ucc28\uc774\uc810\uc785\ub2c8\ub2e4. 1.65%~2.00% \ubc94\uc704\uc758 \ub2c8\ucf08 \ud568\ub7c9\uc740 4340\uc5d0 \ub6f0\uc5b4\ub09c \uc778\uc131\uacfc \uacbd\ud654\uc131\uc744 \ubd80\uc5ec\ud558\uc5ec, \ub2e8\uba74\uc801\uc774 \ud070 \uacf5\uc791\ubb3c\uc5d0\uc11c\ub3c4 \uade0\uc77c\ud55c \uacbd\ub3c4 \ubd84\ud3ec\ub97c \uc5bb\uc744 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubab0\ub9ac\ube0c\ub374\uc758 \uc5ed\ud560\uc740 \uc885\uc885 \uacfc\uc18c\ud3c9\uac00\ub418\uace4 \ud569\ub2c8\ub2e4. 0.20%-0.30% \ubab0\ub9ac\ube0c\ub374\uc740 \ud15c\ud37c \ucde8\uc131\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc5b5\uc81c\ud560 \uc218 \uc788\ub294\ub370, \uc774\uac83\uc774 \ubc14\ub85c 4340\uac15\uc774 \uace0\uc628 \ud15c\ud37c\ub9c1 \ud6c4\uc5d0\ub3c4 \uae09\uc18d \ub0c9\uac01\uc774 \ud544\uc694\ud55c \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c4\uc18c \ud568\ub7c9\uc740 0.38%~0.43% \ubc94\uc704 \ub0b4\uc5d0\uc11c \uc870\uc808\ub418\uba70, \uc774\ub294 \uc911\ud0c4\uc18c\uac15 \ubc94\uc8fc\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc774 \ubc94\uc704\ub294 \uac00\uacf5\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uac15\ub3c4\uc640 \uc778\uc131\uc744 \uade0\ud615 \uc788\uac8c \uc870\ud654\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \ub0b4\uc2dd\uc131 \ubd84\uc11d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc9c1\uc811\uc801\uc778 \uacb0\ub860: 4340\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774 \uc544\ub2c8\uba70, \ub0b4\uc2dd\uc131\uc774 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4.<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \ud06c\ub86c \ud568\ub7c9\uc740 0.70%~0.90%\uc5d0 \ubd88\uacfc\ud558\uc5ec, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ucd5c\uc18c \ud06c\ub86c \ud568\ub7c9 \uae30\uc900\uc778 12%\ubcf4\ub2e4 \ud6e8\uc52c \ub0ae\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc548\uc815\uc801\uc778 \ubd80\ub3d9\ub9c9\uc744 \ud615\uc131\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc2e4\uc81c \uc2e4\uc801:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\uae30 \ud658\uacbd\uc5d0\uc11c\ub294 4340\uc758 \ub0b4\uc2dd\uc131\uc774 \uc77c\ubc18 \ud0c4\uc18c\uac15\ubcf4\ub2e4 \uc57d\uac04 \uc6b0\uc218\ud558\uc9c0\ub9cc, \uadf8 \ucc28\uc774\ub294 \ud06c\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc2b5\ud55c \ud658\uacbd\uc774\ub098 \uc5fc\uc218 \ubd84\ubb34, \uc0b0\uc131 \ubc0f \uc54c\uce7c\ub9ac\uc131 \ub9e4\uccb4\uc5d0\uc11c\ub294 \ube60\ub974\uac8c \ub179\uc774 \uc2ac\uac8c \ub429\ub2c8\ub2e4. \ubcf4\ud638 \ucc98\ub9ac\ub97c \ud558\uc9c0 \uc54a\uc740 \uac00\uacf5\ud488\uc740 \uc791\uc5c5\uc7a5 \ud658\uacbd\uc5d0\uc11c \uba70\uce60 \ub0b4\uc5d0 \ud45c\uba74\uc5d0 \ub179 \ubc18\uc810\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ubcf4\ud638 \uc870\uce58 \uad8c\uace0 \uc0ac\ud56d:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc791\uc5c5 \uc0ac\uc774\ub9c8\ub2e4 \ubc29\uccad\uc720\ub97c \ub3c4\ud3ec\ud558\uc2ed\uc2dc\uc624. \uc644\uc81c\ud488\uc740 \ud45c\uba74 \ucc98\ub9ac\ub97c \uac70\uccd0\uc57c \ud558\uba70, \ud751\uc0c9 \ucc98\ub9ac, \uc778\uc0b0\uc5fc \ucc98\ub9ac, \ud06c\ub86c \ub3c4\uae08 \ub610\ub294 \uc544\uc5f0 \ub3c4\uae08 \uc911 \uc5b4\ub290 \uac83\uc774\ub4e0 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ubd80\uc2dd\uc774 \uc2ec\ud55c \ud658\uacbd\uc5d0 \ub178\ucd9c\ub418\ub294 \ubd80\ud488\uc758 \uacbd\uc6b0, \ub300\uc2e0 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc9c1\uc811 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uad8c\uc7a5\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc77c\ubc18\uc801\uc778 \uc7ac\ub8cc\uc640\uc758 \ube44\uad50:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\uc7ac\ub8cc<\/th><th>\ud06c\ub86c \ud568\ub7c9<\/th><th>\ub0b4\uc2dd\uc131 \ub4f1\uae09<\/th><\/tr><\/thead><tbody><tr><td>1045 \ud0c4\uc18c\uac15<\/td><td>\uc5c6\uc74c<\/td><td>\ubd88\ub7c9<\/td><\/tr><tr><td>4340 \ud569\uae08\uac15<\/td><td>0.70%-0.90%<\/td><td>\ud0c4\uc18c\uac15\ubcf4\ub2e4 \uc57d\uac04 \ub354 \uc6b0\uc218\ud568<\/td><\/tr><tr><td>4140 \ud569\uae08\uac15<\/td><td>0.80%-1.10%<\/td><td>4340\uacfc \uc720\uc0ac\ud568<\/td><\/tr><tr><td>304 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td>18%-20%<\/td><td>\uc804\uae30 \uc804\ub3c4\uc131<\/td><\/tr><tr><td>316 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15<\/td><td>16%-18%<\/td><td>\ud0c1\uc6d4\ud568<\/td><\/tr><\/tbody><\/table><\/figure>\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:600px\" 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\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \uae30\uacc4\uc801 \ud2b9\uc131 \ubd84\uc11d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \uc5f4\ucc98\ub9ac \uc870\uac74\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \uc77c\ubc18\uc801\uc778 \ucd9c\ud558 \uc870\uac74\uc744 \ubc14\ud0d5\uc73c\ub85c \ud55c \uc124\uba85\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c HB 248 \uc774\ud558\uc774\uba70, \uc778\uc7a5 \uac15\ub3c4\ub294 \uc57d 650~750 MPa\uc785\ub2c8\ub2e4. \uc774 \uc0c1\ud0dc\uc5d0\uc11c \uac00\uacf5\uc131\uc774 \uac00\uc7a5 \uc6b0\uc218\ud569\ub2c8\ub2e4. \ubaa8\ub4e0 \ud669\uc0ad \uac00\uacf5\uc740 \uc774 \uc0c1\ud0dc\uc5d0\uc11c \uc644\ub8cc\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc815\uaddc\ud654\ub41c \uc870\uac74:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ub3c4\ub294 \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\ubcf4\ub2e4 \uc57d\uac04 \ub192\uc73c\uba70, \uacb0\uc815\ub9bd \uad6c\uc870\uac00 \ub354 \ubbf8\uc138\ud569\ub2c8\ub2e4. \uc77c\uc815 \uc218\uc900\uc758 \uac15\ub3c4\uac00 \uc694\uad6c\ub418\ub294 \ubc18\uc81c\ud488 \uc0c1\ud0dc\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac \uc0c1\ud0dc:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub294 4340\uac15\uc5d0 \ub300\ud574 \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc801\uc6a9\ub418\ub294 \uc870\uac74\uc785\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\ubd80\ub3d9\uc0b0 \uc9c0\ud45c<\/th><th>\uc804\ud615\uc801\uc778 \uac12<\/th><th>\uc124\uba85<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/weldomachining.com\/ko\/tensile-strength\/\" data-type=\"post\" data-id=\"11869\">\uc778\uc7a5 \uac15\ub3c4<\/a><\/td><td>\u2265980 MPa<\/td><td>\uc77c\ubd80 \uc5f4\ucc98\ub9ac \uacf5\uc815\uc5d0\uc11c\ub294 1200 MPa\ub97c \ucd08\uacfc\ud558\ub294 \uac15\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4<\/td><\/tr><tr><td>\ud56d\ubcf5 \uac15\ub3c4<\/td><td>\u2265835 MPa<\/td><td>\uc218\uc728 \ube44\uc728 \uc57d 0.85, \uc6b0\uc218\ud55c \uac00\uc18c\uc131 \uc5ec\ub825<\/td><\/tr><tr><td>\uc5f0\uc2e0\uc728<\/td><td>\u226512%<\/td><td>\uc77c\uc815 \uc218\uc900\uc758 \uc18c\uc131 \ubcc0\ud615 \ub2a5\ub825\uc744 \ubcf4\uc7a5\ud55c\ub2e4<\/td><\/tr><tr><td>\uba74\uc801\uc758 \uac10\uc18c<\/td><td>\u226545%<\/td><td>\uc7ac\ub8cc\uc758 \uc778\uc131 \uc218\uc900\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ucda9\uaca9 \uc5d0\ub108\uc9c0 (\uc0e4\ub974\ud53c V\uc790 \ub178\uce58)<\/td><td>\u226540J (\uc2e4\uc628)<\/td><td>\ub2c8\ucf08 \uc6d0\uc18c\uac00 \uc81c\uacf5\ud558\ub294 \ud575\uc2ec\uc801\uc778 \uc7a5\uc810<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc8fc\uc694 \ud574\uc11d:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud56d\ubcf5\ube44\ub294 \uc57d 0.85\ub85c, \uc774\ub294 \uc774 \uc18c\uc7ac\uac00 \ud30c\ub2e8\ub418\uae30 \uc804\uc5d0 \uc0c1\ub2f9\ud55c \uc18c\uc131 \ubcc0\ud615\uc744 \uacaa\uc73c\uba70, \ucde8\uc131 \ud30c\ub2e8\uacfc \uac19\uc774 \uac11\uc791\uc2a4\ub7fd\uac8c \ud30c\ub2e8\ub418\uc9c0\ub294 \uc54a\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. 4140\uacfc \ube44\uad50\ud588\uc744 \ub54c, \ub3d9\uc77c\ud55c \uacbd\ub3c4 \uc218\uc900\uc5d0\uc11c \ub354 \ub192\uc740 \ucda9\uaca9 \uc778\uc131\uc744 \ubcf4\uc774\uba70, \uc774\ub294 \ub2c8\ucf08 \ud568\ub7c9 \ucc28\uc774\uc5d0 \uae30\uc778\ud55c \uc9c1\uc811\uc801\uc778 \uacb0\uacfc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uacbd\ub3c4 \ubc0f \uac15\ub3c4 \ud658\uc0b0:<\/strong>\u200c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\uacbd\ub3c4 (HRC)<\/th><th>\ub300\ub7b5\uc801\uc778 \uc778\uc7a5 \uac15\ub3c4 (MPa)<\/th><\/tr><\/thead><tbody><tr><td>28<\/td><td>900<\/td><\/tr><tr><td>32<\/td><td>1000<\/td><\/tr><tr><td>36<\/td><td>1150<\/td><\/tr><tr><td>40<\/td><td>1280<\/td><\/tr><tr><td>44<\/td><td>1420<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ub3c4\uac00 HRC 36\uc744 \ucd08\uacfc\ud558\uba74 4340 \uac15\uc7ac\uc758 \uac00\uacf5 \ub09c\uc774\ub3c4\uac00 \ud06c\uac8c \uc99d\uac00\ud569\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4 \uacbd\ub3c4\ub97c HRC 28~34 \ubc94\uc704 \ub0b4\ub85c \uc720\uc9c0\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\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-3.webp\" alt=\"aisi 4340 \uc2ac\ub77c\uc774\ub529 \ub9ac\ub4dc \uc2a4\ud06c\ub958\" class=\"wp-image-10048\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-3.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-3-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-3-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-3-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/05\/aisi-4340-clamp-screw-3-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">AISI 4340 \uc2ac\ub77c\uc774\ub529 \ub9ac\ub4dc \uc2a4\ud06c\ub958<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \uac00\uacf5 \uc2e4\uc6a9\uc801\uc778 \uc870\uc5b8<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \uac00\uacf5 \ud2b9\uc131: \uc778\uc131\uc774 \uc6b0\uc218\ud558\uace0, \uc5f4\uc804\ub3c4\uc728\uc774 \ub0ae\uc73c\uba70, \uac00\uacf5 \uacbd\ud654 \ud604\uc0c1\uc774 \uc798 \uc77c\uc5b4\ub098\uace0, \uacf5\uad6c\uc5d0 \ub300\ud55c \uc694\uad6c \uc0ac\ud56d\uc774 \uae4c\ub2e4\ub86d\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uac00\uacf5 \uc870\uac74 \ubc0f \uacf5\uad6c \uc120\uc815:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\uc5d0\uc11c\ub294 \ud669\uc0ad \uac00\uacf5\uc744 \uc6b0\uc120\uc73c\ub85c \ud558\uace0, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4\uc5d0\ub294 \uc815\uc0ad \uac00\uacf5\uc744 \uc218\ud589\ud558\uc2ed\uc2dc\uc624. \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\uc5d0\uc11c\uc758 \ud669\uc0ad \uc120\uc0ad\uc5d0\ub294 P30\/P40 \ucd08\uacbd \uacf5\uad6c\ub97c \uc0ac\uc6a9\ud558\uace0, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uc0c1\ud0dc\uc5d0\uc11c\uc758 \uc815\uc0ad \uc120\uc0ad\uc5d0\ub294 TiAlN \ucf54\ud305 \uc778\uc11c\ud2b8\uac00 \uc7a5\ucc29\ub41c P10\/P20 \uacf5\uad6c\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ub4dc\ub9b4\ub9c1\uc5d0\ub294 \ucf54\ubc1c\ud2b8 \ucd08\uace0\uc18d\uac15 \ub610\ub294 \ucd08\uacbd \ub4dc\ub9b4\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc77c\ubc18 \ub4dc\ub9b4\uc740 \uc27d\uac8c \ub9c8\ubaa8\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc2e4\ubb34\uc0c1 \ud575\uc2ec \uc0ac\ud56d:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6b0\uc120, \ub0c9\uac01\uc774 \ucda9\ubd84\ud788 \uc774\ub8e8\uc5b4\uc838\uc57c \ud569\ub2c8\ub2e4. 4340\uc740 \uc5f4\uc804\ub3c4\uc728\uc774 \ub0ae\uae30 \ub54c\ubb38\uc5d0 \ub0c9\uac01\uc774 \ubd80\uc871\ud558\uba74 \uacf5\uad6c\uac00 \uae08\ubc29 \ud0c0\ubc84\ub9b4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub458\uc9f8, \u201c\uacf5\uad6c\uac00 \ud45c\uba74\uc5d0 \ub9c8\ucc30\ub418\ub294 \ud604\uc0c1\u201d\uc744 \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\uc1a1 \uc18d\ub3c4\uac00 \ub108\ubb34 \ub0ae\uac70\ub098 \uc808\uc0ad \uae4a\uc774\uac00 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc73c\uba74 \uacf5\uad6c\uac00 \uc808\uc0ad \ub300\uc2e0 \uacf5\uc791\ubb3c \ud45c\uba74\uc5d0 \ub9c8\ucc30\uc744 \uc77c\uc73c\ud0a4\uac8c \ub418\uba70, \uc774\ub85c \uc778\ud574 \ube60\ub974\uac8c \uac00\uacf5 \uacbd\ud654\uac00 \ubc1c\uc0dd\ud558\uc5ec \ud6c4\uc18d \uc808\uc0ad\uc774 \ub354\uc6b1 \uc5b4\ub824\uc6cc\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc14b\uc9f8, \uce69 \uc81c\uc5b4\uc785\ub2c8\ub2e4. 4340 \uac15\ucca0\uc740 \uac15\ub3c4\uac00 \ub192\uc544 \uc27d\uac8c \ubd80\ub7ec\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uce69 \ube0c\ub808\uc774\ucee4 \ud615\uc0c1\uc774 \uc801\uc6a9\ub41c \uc778\uc11c\ud2b8\ub97c \uc0ac\uc6a9\ud558\uace0, \uc774\uc1a1 \uc18d\ub3c4\ub97c \uc801\uc808\ud788 \ub192\uc5ec \uce69\uc774 \uc798 \ubd80\uc11c\uc9c0\ub3c4\ub85d \ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub137\uc9f8, \ub4dc\ub9b4\ub9c1 \uc2dc \uc790\uc8fc \ud399\ud0b9\uc744 \ud558\uc2ed\uc2dc\uc624. \uae4a\uc740 \uad6c\uba4d\uc744 \ub6ab\uc744 \uacbd\uc6b0, \ud399\ud0b9 \ud55c \ubc88\ub2f9 \ub4dc\ub9b4\ub9c1 \uae4a\uc774\ub294 \ub4dc\ub9b4 \uc9c1\uacbd\uc758 3\ubc30\ub97c \ucd08\uacfc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ub9c9\ud798\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uce69\uc744 \uc989\uc2dc \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc640 \ud574\uacb0 \ubc29\ubc95:<\/strong>\u200c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\ubb38\uc81c<\/th><th>\uac00\ub2a5\ud55c \uc6d0\uc778<\/th><th>\ud574\uacb0 \ubc29\ud5a5<\/th><\/tr><\/thead><tbody><tr><td>\uacf5\uad6c \uce58\ud551<\/td><td>\uc808\uc0ad \uc18d\ub3c4\uac00 \ub108\ubb34 \ube60\ub974\uac70\ub098 \ub0c9\uac01\uc774 \ubd88\ucda9\ubd84\ud55c \uacbd\uc6b0<\/td><td>\ud45c\uba74 \uc18d\ub3c4\ub97c \uc904\uc774\uace0, \uc808\uc0ad\uc720 \uc720\ub7c9\uc744 \ub298\ub9ac\uc2ed\uc2dc\uc624<\/td><\/tr><tr><td>\ubd88\ub7c9\ud55c \ud45c\uba74 \ub9c8\uac10<\/td><td>\uc774\uc74c\ub9e4 \ubd80\uc704\uc758 \ub9c8\ubaa8 \ub610\ub294 \uacf5\uad6c \ub9c8\ubaa8<\/td><td>\uc808\uc0ad \uc18d\ub3c4\ub97c \ub192\uc774\uace0, \ucf54\ud305 \uc778\uc11c\ud2b8\ub85c \uad50\uccb4\ud558\uc2ed\uc2dc\uc624<\/td><\/tr><tr><td>\uac00\uacf5 \uacbd\ud654<\/td><td>\uc774\uc1a1 \uc18d\ub3c4\uac00 \ub108\ubb34 \ub0ae\uc544 \uacf5\uad6c\uac00 \ud45c\uba74\uc744 \uae01\uace0 \uc788\uc2b5\ub2c8\ub2e4<\/td><td>\uc774\uc1a1\ub7c9\uc744 \ub298\ub9ac\uace0, \uacf5\uad6c\uac00 \u201c\uae4a\uc774 \ud30c\uace0\ub4e4\ub3c4\ub85d\u201d \ud558\uc2ed\uc2dc\uc624.\u201d<\/td><\/tr><tr><td>\uce69\uc758 \uc591\uc790 \uc5bd\ud798<\/td><td>\uce69 \ube0c\ub808\uc774\ucee4 \ubd88\uc77c\uce58 \ub610\ub294 \uc774\uc1a1\ub7c9 \ubd80\uc871<\/td><td>\uce69 \ube0c\ub808\uc774\ucee4 \uc778\uc11c\ud2b8\ub85c \uad50\uccb4\ud558\uace0, \uc774\uc1a1\ub7c9\uc744 \uc801\uc808\ud788 \ub298\ub9ac\uc2ed\uc2dc\uc624.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \uc5f4\ucc98\ub9ac \uacf5\uc815\uc5d0 \ub300\ud55c \uc0c1\uc138 \uc124\uba85<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f4\ucc98\ub9ac\ub294 4340\uc758 \uc131\ub2a5\uc744 \uc88c\uc6b0\ud558\ub294 \u201c\uc5f4\uc1e0\u201d\uc785\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uc7ac\uc9c8\uc774\ub77c\ub3c4, \uc11c\ub85c \ub2e4\ub978 <a href=\"https:\/\/weldomachining.com\/ko\/heat-treatment-guide\/\" data-type=\"post\" data-id=\"10014\">\uc5f4\ucc98\ub9ac<\/a> \ucd5c\uc885 \ud2b9\uc131\uc774 \ud06c\uac8c \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ub2f4\uae08\uc9c8:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">830~860\u00b0C\uae4c\uc9c0 \uac00\uc5f4\ud55c \ud6c4, \ucda9\ubd84\ud55c \uc2dc\uac04 \ub3d9\uc548 \uc720\uc9c0\ud55c \ub2e4\uc74c \uae09\uc18d\ud788 \ub0c9\uac01\ud569\ub2c8\ub2e4. \uc624\uc77c \ub2f4\uae08\uc9c8\uc774 \uac00\uc7a5 \ubc14\ub78c\uc9c1\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. 4340\uc740 \uacbd\ud654\uc131\uc774 \ub6f0\uc5b4\ub098\uba70, \uc624\uc77c \ub2f4\uae08\uc9c8\ub9cc\uc73c\ub85c\ub3c4 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \ud615\uc131\ud558\uae30\uc5d0 \ucda9\ubd84\ud569\ub2c8\ub2e4. \ubb3c \ub2f4\uae08\uc9c8\uc740 \uc704\ud5d8\uc774 \ud06c\uba70, \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc758 \ubd80\ud488\uc740 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ud15c\ud37c\ub9c1:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2f4\uae08\uc9c8 \ud6c4\uc5d0\ub294 \ubc18\ub4dc\uc2dc \ud15c\ud37c\ub9c1\uc744 \uc2e4\uc2dc\ud574\uc57c \ud569\ub2c8\ub2e4. \uc628\ub3c4\ub294 \ubaa9\ud45c \uacbd\ub3c4\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\ud15c\ud37c\ub9c1 \uc628\ub3c4 (\u00b0C)<\/th><th>\ub300\ub7b5\uc801\uc778 \uacbd\ub3c4 (HRC)<\/th><th>\uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624<\/th><\/tr><\/thead><tbody><tr><td>200-300<\/td><td>46-52<\/td><td>\uace0\uacbd\ub3c4 \ub9c8\ubaa8 \ubd80\ud488<\/td><\/tr><tr><td>350-450<\/td><td>40-45<\/td><td>\uc911\uacbd\ub3c4 \uad6c\uc870\uc6a9 \ubd80\ud488<\/td><\/tr><tr><td>500-550<\/td><td>34-38<\/td><td>\uc77c\ubc18 \uae30\uacc4 \ubd80\ud488<\/td><\/tr><tr><td>580-650<\/td><td>28-33<\/td><td>\uace0\uc778\uc131 \uc911\ubd80\ud558\uc6a9 \ubd80\ud488<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc5f4\ucc98\ub9ac \ucde8\uc131 \u2014 \ubc18\ub4dc\uc2dc \ud53c\ud574\uc57c \ud560 \ud568\uc815:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">350~450\u00b0C \ubc94\uc704\uc5d0\uc11c \ud15c\ud37c\ub9c1\uc744 \ud558\uac70\ub098, 550\u00b0C \uc774\uc0c1\uc5d0\uc11c \ud15c\ud37c\ub9c1\ud55c \ud6c4 \uc11c\uc11c\ud788 \ub0c9\uac01\ud558\uba74 \ucda9\uaca9 \uc778\uc131\uc774 \uae09\uaca9\ud788 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ub300\ucc45: \ud15c\ud37c\ub9c1 \uc720\uc9c0\uac00 \uc644\ub8cc\ub41c \ud6c4 \uc624\uc77c \ub610\ub294 \ubb3c \ub0c9\uac01\uc744 \uc774\uc6a9\ud558\uc5ec \uae09\uc18d \ub0c9\uac01\ud558\uace0, \uacf5\uae30 \ub0c9\uac01\uc740 \ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc77c\ubc18\uc801\uc778 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uacf5\uc815:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">850\u00b0C \uc624\uc77c \ub2f4\uae08\uc9c8 \u2192 580-620\u00b0C \ud15c\ud37c\ub9c1 \u2192 \uae09\uc18d \ub0c9\uac01. \uacbd\ub3c4 HRC 28-34, \uc778\uc7a5 \uac15\ub3c4 900-1050 MPa. \uc774\ub294 4340 \uac15\uc7ac\uc758 \uac00\uc7a5 \ub300\ud45c\uc801\uc778 \uc0ac\uc6a9 \uc870\uac74\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ud45c\uba74 \uc5f4\ucc98\ub9ac:<\/strong>\u200c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc678\ubd80\ub294 \ub2e8\ub2e8\ud558\uace0 \ub0b4\ubd80\ub294 \uac15\uc778\ud55c \ud2b9\uc131\uc774 \ud544\uc694\ud55c \ubd80\ud488\uc758 \uacbd\uc6b0, \uc9c8\ud654 \ucc98\ub9ac(\ud45c\uba74 \uacbd\ub3c4 HV 600~700) \ub610\ub294 \uc720\ub3c4 \uacbd\ud654(\ud45c\uba74 \uacbd\ub3c4 HRC 50~55)\ub97c \uc2e4\uc2dc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/weldo-quality-assurance-center.webp\" alt=\"\uc6f0\ub3c4 \ud488\uc9c8 \ubcf4\uc99d \uc13c\ud130\" class=\"wp-image-3764\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/weldo-quality-assurance-center.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/weldo-quality-assurance-center-300x225.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2025\/11\/weldo-quality-assurance-center-16x12.webp 16w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption class=\"wp-element-caption\">\uc6f0\ub3c4 \ud488\uc9c8 \ubcf4\uc99d \uc13c\ud130<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \uac15\ucca0 \ubd80\ud488\uc758 \uc8fc\uc694 \ud45c\uba74 \ucc98\ub9ac \ubc29\ubc95<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud45c\uba74 \uac15\ud654<\/strong>\u200c: \uc720\ub3c4 \uacbd\ud654 \ud6c4 \uc800\uc628 \ud15c\ud37c\ub9c1\uc744 \uc2e4\uc2dc\ud558\uba74 HRC 55~60\uc758 \ud45c\uba74 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc73c\uba70, \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uacfc \uc2ec\uc7ac\uc758 \uc778\uc131\uc744 \uade0\ud615 \uc788\uac8c \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 500~550\u2103\uc5d0\uc11c \uc9c8\ud654 \ucc98\ub9ac\ub97c \ud558\uba74 \ubcc0\ud615\uc744 \ucd5c\uc18c\ud654\ud558\uba74\uc11c 0.1~0.5mm \ub450\uaed8\uc758 \uace0\uacbd\ub3c4\uce35\uc774 \ud615\uc131\ub418\uc5b4, \uace0\uc815\ubc00 \uace0\ud558\uc911 \ubd80\ud488\uc5d0 \uc774\uc0c1\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ubcf4\ud638 \ucf54\ud305<\/strong>\u200c: \uacbd\uc9c8 \ud06c\ub86c \ub3c4\uae08\uc758 \uacbd\uc6b0, \uc218\uc18c \ucde8\uc131\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 185~195\u2103\uc5d0\uc11c \ud6c4\ucc98\ub9ac \uc18c\uc131 \ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubc18\uba74, HVOF \ubd84\uc0ac \ubc29\uc2dd\uc73c\ub85c \ub3c4\ud3ec\ub41c WC-Co \ucf54\ud305\uc740 \uc555\ucd95 \uc751\ub825 \uc0c1\ud0dc\ub97c \ub760\uace0 \uc788\uc5b4 \ud53c\ub85c \uac15\ub3c4\uc5d0 \ubbf8\uce58\ub294 \ubd80\uc815\uc801 \uc601\ud5a5\uc774 \ud6e8\uc52c \uc801\uc744 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc218\uc18c \uc81c\uac70 \uacf5\uc815\uc744 \uc0dd\ub7b5\ud560 \uc218 \uc788\uc5b4, \ud56d\uacf5\uc6b0\uc8fc \ubd80\ud488\uc5d0 \uc120\ud638\ub418\ub294 \uc120\ud0dd\uc9c0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc2a4\ud2b8\ub808\uc2a4 \uc870\uc808<\/strong>\u200c: 650~675\u2103\uc5d0\uc11c \uc804\uc2e0 \uc751\ub825 \uc81c\uac70 \ucc98\ub9ac\ub97c \uc2e4\uc2dc\ud558\uba74 \uac00\uacf5 \ubc0f \uad50\uc815 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud55c \uc794\ub958 \uc751\ub825\uc744 \ud574\uc18c\ud558\uc5ec \uc0ac\uc6a9 \uc911 \ubcc0\ud615\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uae30\ubcf8 \ubd80\uc2dd \ubc29\uc9c0<\/strong>\u200c: \uc77c\ubc18\uc801\uc778 \uacbd\uc6b0\uc5d0\ub294 \ud751\uc0c9 \uc0b0\ud654 \ucc98\ub9ac\ub098 \uc544\uc5f0 \ub3c4\uae08\uc744 \ud1b5\ud574 \uc800\ub834\ud55c \ube44\uc6a9\uc73c\ub85c \ub179\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubd80\uc2dd\uc131\uc774 \uc2ec\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 \uace0\uc131\ub2a5 \ubcf4\ud638 \ucf54\ud305\uc744 \ud568\uaed8 \uc801\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">4340\uc758 \ub300\ud45c\uc801\uc778 \uc801\uc6a9 \uc0ac\ub840<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc758 \ud575\uc2ec \uc18c\uc7ac \uc120\uc815 \uae30\uc900: \uace0\uac15\ub3c4 + \uace0\uc778\uc131 + \ud53c\ub85c \uc800\ud56d\uc131.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc790\ub3d9\ucc28 \ubc0f \ub808\uc774\uc2f1:<\/strong>\u200c \ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \ucee4\ub125\ud305\ub85c\ub4dc, \ud558\ud504 \uc0e4\ud504\ud2b8, \uad6c\ub3d9\ucd95. \ub808\uc774\uc2f1\uc6a9 \ucee4\ub125\ud305\ub85c\ub4dc\ub294 \uac70\uc758 \uc804\uc801\uc73c\ub85c 4340 \uac15\uc7ac\ub85c \uc81c\uc791\ub418\uc5b4, \uacbd\ub7c9 \uc124\uacc4 \uc870\uac74\uc5d0\uc11c\ub3c4 \ud53c\ub85c \uc218\uba85\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ud56d\uacf5\uc6b0\uc8fc:<\/strong>\u200c \ucc29\ub959 \uc7a5\uce58 \ubd80\ud488. \ucc29\ub959 \uc2dc \uc5c4\uccad\ub09c \ucda9\uaca9 \ud558\uc911\uc744 \ubc1b\uae30 \ub54c\ubb38\uc5d0, 4340 \uac15\uc885\uc758 \ub192\uc740 \uc778\uc131 \ubc0f \ud53c\ub85c \uc800\ud56d\uc131\uc774 \uc774 \uc18c\uc7ac\uac00 \uc120\uc815\ub41c \uc8fc\ub41c \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uacf5\uad6c \ubc0f \uae30\uacc4:<\/strong>\u200c \uace0\ubd80\ud558\uc6a9 \uae30\uc5b4, 12.9\uae09 \uace0\uac15\ub3c4 \ubcfc\ud2b8. \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4 \uc9c8\ud654 \ucc98\ub9ac \ub610\ub294 \uc720\ub3c4 \uacbd\ud654\ub97c \uac70\uce58\ub294 \uac83\uc774 \ud45c\uc900 \uacf5\uc815 \uc808\ucc28\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc11d\uc720 \uc7a5\ube44:<\/strong>\u200c \uc2dc\ucd94\uacf5 \ub0b4 \uacf5\uad6c, \ub4dc\ub9b4 \ud30c\uc774\ud504 \uc774\uc74c\ubd80. \uace0\uc555\u00b7\uace0\ud1a0\ud06c \ud658\uacbd\uc5d0\uc11c \ud45c\uba74 \ucc98\ub9ac\ub97c \uac70\uce5c 4340 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uac15\uc7ac\ub294 API \ud45c\uc900 \uc694\uac74\uc744 \ucda9\uc871\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4340\uac15\uacfc \uae30\ud0c0 \ud569\uae08\uac15\uc758 \ube44\uad50 \ubc0f \uc120\uc815<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>4340 \ub300 4140:<\/strong>\u200c 4340\uc740 \ub2c8\ucf08\uc744 \ud568\uc720\ud558\uace0 \uc788\uc5b4, \ub3d9\uc77c\ud55c \uacbd\ub3c4 \uc870\uac74\uc5d0\uc11c 30%-50%\ubcf4\ub2e4 \ub354 \ub192\uc740 \ucda9\uaca9 \uc778\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. 4140\uc740 \uc2ec\ud55c \ucda9\uaca9 \ud558\uc911\uc744 \ubc1b\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \ube44\uc6a9\uc774 \ub354 \uc800\ub834\ud558\uc5ec \uacbd\uc81c\uc131\uc774 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>4340 \ub300 8620:<\/strong>\u200c 8620\uc740 \ud45c\uba74\uc740 \ub2e8\ub2e8\ud558\uace0 \uc2ec\ubd80\ub294 \uc778\uc131\uc774 \ub6f0\uc5b4\ub09c \ud45c\uba74 \uacbd\ud654\uac15\uc73c\ub85c, \uae30\uc5b4\uc640 \ucea0\ucd95\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. 4340\uc740 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uac15\uc7ac\ub85c, \uc804\ubc18\uc801\uc73c\ub85c \ub192\uc740 \uac15\ub3c4\uc640 \uc778\uc131\uc744 \uac16\ucd94\uace0 \uc788\uc5b4 \ud06c\ub7ad\ud06c\ucd95\uacfc \ucee4\ub125\ud305\ub85c\ub4dc\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>4340 \ub300 300M:<\/strong>\u200c 300M\uc740 4340\uc744 \uac1c\ub7c9\ud55c \uc18c\uc7ac\ub85c, \uc778\uc7a5 \uac15\ub3c4\uac00 1900~2100 MPa\uc5d0 \ub2ec\ud558\uba70, \uadf9\ud55c \uc870\uac74\uc758 \ud56d\uacf5\uc6b0\uc8fc \ubd84\uc57c \uc6a9\ub3c4\ub85c \ud2b9\ubcc4\ud788 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 4340\uc740 \uc77c\ubc18\uc801\uc778 \uc0b0\uc5c5\uc6a9\uc73c\ub85c\ub294 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ube60\ub978 \uc120\ud0dd \uc548\ub0b4:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\uc7ac\ub8cc<\/th><th>\uac15\ub3c4<\/th><th>\uac15\uc778\ud568<\/th><th>\ube44\uc6a9<\/th><th>\ub300\ud45c\uc801 \uc6a9\ub3c4<\/th><\/tr><\/thead><tbody><tr><td>4340<\/td><td>\ub192\uc74c<\/td><td>\ub192\uc74c<\/td><td>\uc911-\uace0<\/td><td>\ud06c\ub7ad\ud06c\uc0e4\ud504\ud2b8, \ucee4\ub125\ud305\ub85c\ub4dc, \uae30\uc5b4<\/td><\/tr><tr><td><a href=\"https:\/\/weldomachining.com\/ko\/aisi-4140-material\/\" data-type=\"post\" data-id=\"10044\">4140<\/a><\/td><td>\uc911-\uace0<\/td><td>\uc911\uac04<\/td><td>\uc911\uac04<\/td><td>\ucd95, \ubcfc\ud2b8<\/td><\/tr><tr><td>8620<\/td><td>\ud45c\uba74\uc774 \ub192\uc740<\/td><td>\ucf54\uc5b4 \ud568\ub7c9\uc774 \ub192\uc74c<\/td><td>\uc911\uac04<\/td><td>\uae30\uc5b4, \ucea0\ucd95<\/td><\/tr><tr><td>3\uc5b5<\/td><td>\ub9e4\uc6b0 \ub192\uc74c<\/td><td>\ub192\uc74c<\/td><td>\ub192\uc74c<\/td><td>\ucc29\ub959 \uc7a5\uce58, \ud56d\uacf5\uae30 \uad6c\uc870 \ubd80\ud488<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4340 \uc7ac\uc9c8 \uad6c\ub9e4 \uc2dc \uc720\uc758\uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uc790\uc7ac \uc778\uc99d:<\/strong>\u200c \uc5f4\ubc88\ud638\uac00 \uc77c\uce58\ud558\ub294 \uc7ac\ub8cc \uc99d\uba85\uc11c\ub97c \uc81c\ucd9c\ud574\uc57c \ud569\ub2c8\ub2e4. \ub2c8\ucf08 \ud568\ub7c9\uc774 1.65%~2.00% \ubc94\uc704 \ub0b4\uc5d0 \uc788\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub450\uc2ed\uc2dc\uc624. \ub2c8\ucf08\uc740 4340 \ud569\uae08\uc5d0\uc11c \uac00\uc7a5 \ube44\uc2fc \ud569\uae08 \uc6d0\uc18c\uc774\uba70, \ud488\uc9c8\uc774 \ub0ae\uc740 \uc7ac\ub8cc\uc758 \uacbd\uc6b0 \uc885\uc885 \uc774 \ubd80\ubd84\uc5d0\uc11c \ube44\uc6a9\uc744 \uc808\uac10\ud558\ub824\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ubc30\uc1a1 \uc870\uac74:<\/strong>\u200c \uc785\uace0 \uc989\uc2dc \uc9c1\uc811 \uac70\uce5c \uac00\uacf5\uc774 \uac00\ub2a5\ud55c \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac \uc0c1\ud0dc(\u2264HB 248)\uc758 \uc81c\ud488\uc744 \uc6b0\uc120\uc801\uc73c\ub85c \uad6c\ub9e4\ud558\uc2ed\uc2dc\uc624. \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc758 \uc81c\ud488\uc740 \ube44\uc6a9\uc774 \ub354 \ub9ce\uc774 \ub4e4\uba70, \uc9c1\uc811 \uc815\ubc00 \uac00\uacf5\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\ucd08\uc74c\ud30c \uac80\uc0ac:<\/strong>\u200c \uc911\uc694 \ubd80\ud488\uc758 \uacbd\uc6b0, \uac00\uacf5 \ub3c4\uc911 \ub0b4\ubd80 \uacb0\ud568\uc774 \ubc1c\uacac\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uacf5\uae09\uc5c5\uccb4\uc5d0 \ucd08\uc74c\ud30c \uac80\uc0ac \ubcf4\uace0\uc11c\ub97c \uc81c\ucd9c\ud558\ub3c4\ub85d \uc694\uad6c\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uce58\uc218 \ud5c8\uc6a9 \uc624\ucc28:<\/strong>\u200c \uc5f4\ucc98\ub9ac\ub97c \ud558\uba74 \ubcc0\ud615\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1\uc744 \ud558\uae30 \uc804, \ud669\uc0ad \uac00\uacf5 \ud6c4 0.5~1mm\uc758 \uc5ec\uc720\ubd84\uc744 \ub0a8\uaca8\ub450\uace0, \uc5f4\ucc98\ub9ac \ud6c4 \ucd5c\uc885 \uce58\uc218\uc5d0 \ub9de\ucdb0 \uc815\uc0ad \uac00\uacf5\uc744 \uc218\ud589\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u200c<strong>\uacf5\uae09\uc5c5\uccb4 \uc120\uc815:<\/strong>\u200c \ud488\uc9c8 \uc2dc\uc2a4\ud15c \uc778\uc99d\uc744 \ucde8\ub4dd\ud55c \uacf5\uae09\uc5c5\uccb4\ub97c \uc6b0\uc120\uc801\uc73c\ub85c \uc120\uc815\ud558\uc2ed\uc2dc\uc624. \uc218\ucd9c \uc8fc\ubb38\uc758 \uacbd\uc6b0, \ud574\ub2f9 \uacf5\uae09\uc5c5\uccb4\uac00 EN 10204 3.1 \uc778\uc99d\uc11c\ub97c \ubc1c\uae09\ud560 \uc218 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/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.webp\" alt=\"\uc6f0\ub3c4 \uac00\uacf5 \uc13c\ud130\" class=\"wp-image-7899\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-300x203.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-768x518.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/weldo-machining-center-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\uc694\uc57d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">4340\uc740 \u201c\uc801\uc808\ud55c \uac00\uacf5 \uacfc\uc815\uc744 \ud1b5\ud574 \uadf8 \uc9c4\uac00\ub97c \ubc1c\ud718\ud558\ub294\u201d \uc18c\uc7ac\uc785\ub2c8\ub2e4.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud654\ud559 \uc131\ubd84\uc774 \uc0c1\ud55c\uc120\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \ub2c8\ucf08, \ud06c\ub86c, \ubab0\ub9ac\ube0c\ub374\uc758 \uc2dc\ub108\uc9c0 \ud6a8\uacfc \ub355\ubd84\uc5d0 \uac15\ub3c4\uc640 \uc778\uc131\uc758 \uade0\ud615\uc744 \uc774\ub8f0 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac00\uacf5 \ubc0f \uc5f4\ucc98\ub9ac\ub294 \uc774 \uc18c\uc7ac\uc758 \ud558\ud55c\uc120\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\uc5d0\uc11c\uc758 \uac70\uce5c \uac00\uacf5, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ud6c4\uc758 \uc815\ubc00 \uac00\uacf5, \ud15c\ud37c\ub9c1 \ud6c4\uc758 \uae09\uc18d \ub0c9\uac01\uacfc \uac19\uc740 \uc138\ubd80 \uacf5\uc815\uc744 \uc62c\ubc14\ub974\uac8c \uc218\ud589\ud55c\ub2e4\uba74, 4340\uc740 \uae30\uc801\uacfc\ub3c4 \uac19\uc740 \uc18c\uc7ac\uac00 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6c\ub9e4 \uc2dc \ub2c8\ucf08 \ud568\ub7c9\uacfc \ub0a9\ud488 \uc0c1\ud0dc\ub97c \uaf3c\uaf3c\ud788 \ud655\uc778\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4. \uc591\uc9c8\uc758 \uc18c\uc7ac\uc640 \uc6b0\uc218\ud55c \uac00\uacf5 \uae30\uc220\uc774 \uacb0\ud569\ub418\uc5b4\uc57c \uc591\uc9c8\uc758 \ubd80\ud488\uc774 \ub9cc\ub4e4\uc5b4\uc9d1\ub2c8\ub2e4. \ub9de\ucda4\ud615 4340 \ubd80\ud488\uc5d0 \ub300\ud55c \uacac\uc801\uc744 \uc6d0\ud558\uc2e0\ub2e4\uba74, \ub2e4\uc74c\uc744 \ud1b5\ud574 \ubb38\uc758\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/weldomachining.com\/ko\/file-upload\/\" data-type=\"page\" data-id=\"843\">\ubb38\uc758<\/a> \uc800\ud76c\uc640 \uc0c1\ub2f4\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>4340 is a medium-carbon nickel-chromium-molybdenum alloy steel.AISI\/SAE standard grade: 4340. UNS number: G43400. In the field of custom parts procurement, 4340 is renowned for its comprehensive performance of &#8220;high strength + high toughness&#8221;. It falls into the category of quenched and tempered steel, and its mechanical properties are highly enhanced by the heat treatment process. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-13101","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\/13101","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=13101"}],"version-history":[{"count":2,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13101\/revisions"}],"predecessor-version":[{"id":13104,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/posts\/13101\/revisions\/13104"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media\/10050"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/media?parent=13101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/categories?post=13101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ko\/wp-json\/wp\/v2\/tags?post=13101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}