{"id":15462,"date":"2026-05-16T13:29:39","date_gmt":"2026-05-16T05:29:39","guid":{"rendered":"https:\/\/aobosteel.com\/?p=15462"},"modified":"2026-06-15T07:25:53","modified_gmt":"2026-06-14T23:25:53","slug":"how-to-avoid-d2-heat-treatment-mistakes","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/how-to-avoid-d2-heat-treatment-mistakes\/","title":{"rendered":"D2 \uc5f4\ucc98\ub9ac \uc2dc \ubc1c\uc0dd\ud558\ub294 \uc624\ub958\ub97c \ud53c\ud558\ub294 \ubc29\ubc95 | \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \uac00\uc774\ub4dc"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center has-x-large-font-size\" id=\"h-how-to-avoid-d2-heat-treatment-mistakes\">D2 \uc5f4\ucc98\ub9ac \uc2dc \ubc1c\uc0dd\ud558\ub294 \uc2e4\uc218\ub97c \ud53c\ud558\ub294 \ubc29\ubc95<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">D2 \uacf5\uad6c\uac15<\/a> \uc5f4\ucc98\ub9ac \uc624\ub958\uc5d0\ub294 \ud45c\uba74 \ubcf4\ud638 \ubd88\ub7c9, \uae09\uc18d \uac00\uc5f4, \uacfc\uc5f4, \ud15c\ud37c\ub9c1 \uc9c0\uc5f0, \ubd88\ucda9\ubd84\ud55c \ud15c\ud37c\ub9c1 \ubc0f \uacfc\ub3c4\ud55c \ub9c8\ubb34\ub9ac \ucc98\ub9ac \ub4f1\uc774 \uc788\uc73c\uba70, \uc774\ub7ec\ud55c \ubaa8\ub4e0 \uc694\uc778\uc740 \uade0\uc5f4, \ubcc0\ud615, \ub0ae\uc740 \uacbd\ub3c4 \ub610\ub294 \uacf5\uad6c\uc758 \uc870\uae30 \uace0\uc7a5\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uc548\uc804\ud55c \ubc29\ubc95\uc740 \uac01 \ub2e8\uacc4\ub97c \uc81c\uc5b4\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud45c\uba74\uc744 \ubcf4\ud638\ud558\uace0, \ucc9c\ucc9c\ud788 \uc608\uc5f4\ud558\uace0, \uacbd\ud654 \uc628\ub3c4\ub97c \uc801\uc815 \ubc94\uc704 \ub0b4\ub85c \uc720\uc9c0\ud558\uace0, \uc801\uc808\ud558\uac8c \ub2f4\uae08\uc9c8\ud558\uace0, \uc989\uc2dc \ud15c\ud37c\ub9c1\ud558\uace0, \uc5f0\uc0ad, EDM \ub610\ub294 \uc6a9\uc811 \ud6c4 \ud6c4\ucc98\ub9ac \uc751\ub825\uc744 \uc904\uc5ec\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-skipping-surface-protection-before-heating\" class=\"wp-block-heading has-large-font-size\">\uac00\uc5f4 \uc804 \ud45c\uba74 \ubcf4\ud638 \uacfc\uc815 \uc0dd\ub7b5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uba74 \ubcf4\ud638\uc81c \uc5c6\uc774 D2\ub97c \uac00\uc5f4\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc2a4\ucf00\uc77c \ud615\uc131, \uc0b0\ud654 \ubc0f \ud0c8\ud0c4\uc740 \ud45c\uba74\uc744 \uc57d\ud654\uc2dc\ucf1c \ub2f4\uae08\uc9c8 \uc911 \ubcc0\ud615\uc774\ub098 \uade0\uc5f4 \uc704\ud5d8\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c4\uacf5\ub85c, \uc81c\uc5b4\ub41c \uc911\uc131 \ubd84\uc704\uae30, \uc911\uc131 \uc5fc\uc695 \ub610\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ud638\uc77c \ud3ec\uc7a5\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ud45c\uc900\ub85c\uc5d0\uc11c \uc18c\ud615 \uacf5\uad6c\ub97c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ud638\uc77c \ud3ec\uc7a5\uc740 \ud45c\uba74 \uc190\uc0c1\uc744 \uc904\uc774\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub610\ud55c, \uc6a9\uad11\ub85c\uc5d0 \uacfc\ubd80\ud558\ub97c \uc8fc\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc801\uc7ac\ubb3c\uc774 \ub108\ubb34 \ub9ce\uc73c\uba74 \uc5f4 \uc21c\ud658\uc774 \ucc28\ub2e8\ub418\uc5b4 \uac00\uc5f4\uc774 \uace0\ub974\uc9c0 \uc54a\uac8c \ub429\ub2c8\ub2e4. \uac00\ub298\uace0 \uae34 \ubd80\ud488\uc740 \uace0\uc628\uc5d0\uc11c \ucc98\uc9d0\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc218\uc9c1\uc73c\ub85c \ub9e4\ub2ec\uac70\ub098 \uc801\uc808\ud558\uac8c \uc9c0\uc9c0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-heating-too-fast-without-proper-preheating\" class=\"wp-block-heading has-large-font-size\">\uc801\uc808\ud55c \uc608\uc5f4 \uc5c6\uc774 \ub108\ubb34 \ube68\ub9ac \uac00\uc5f4\ud558\ub294 \uac83<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub0c9\uac04 D2\ub97c \ucd5c\uc885 \uacbd\ud654 \uc628\ub3c4\uc5d0 \uc9c1\uc811 \ud22c\uc785\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uae09\uc18d \uac00\uc5f4\uc740 \ud2b9\ud788 \ub450\uaecd\uac70\ub098 \ubcf5\uc7a1\ud55c \uacf5\uad6c\uc758 \uacbd\uc6b0 \uc5f4 \ucda9\uaca9\uacfc \ubcc0\ud615\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc57d 650\u00b0C(1200\u00b0F)\uae4c\uc9c0 \ucc9c\ucc9c\ud788 \uc608\uc5f4\ud558\uace0 \ubd80\ud488\uc774 \uace0\ub974\uac8c \uac00\uc5f4\ub420 \ub54c\uae4c\uc9c0 \uc720\uc9c0\ud569\ub2c8\ub2e4. \ubaa9\uc801\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uac15\ucca0\uc774 \uacbd\ud654 \ub2e8\uacc4\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \uc5f4 \uc751\ub825\uc744 \uc904\uc774\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-missing-the-austenitizing-temperature-window\" class=\"wp-block-heading has-large-font-size\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc628\ub3c4 \ubc94\uc704\ub97c \ub193\uce68<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uacfc\uc815\uc5d0\uc11c D2 \ud569\uae08\uc744 \uacfc\uc18c \uac00\uc5f4\ud558\uac70\ub098 \uacfc\uc5f4\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uacbd\ud654 \ubc94\uc704\uac00 \uc881\uae30 \ub54c\ubb38\uc5d0 \ub450 \uac00\uc9c0 \uc2e4\uc218 \ubaa8\ub450 \ucd5c\uc885 \uc131\ub2a5\uc5d0 \uc545\uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc624\ub958<\/td><td>\uc628\ub3c4 \uc870\uac74<\/td><td>\uacb0\uacfc<\/td><\/tr><tr><td>\uacfc\uc5f4<\/td><td>\uc57d 1827\u00b0F \/ 997\u00b0C \uc774\ud558<\/td><td>\ubd88\uc644\uc804\ud55c \ubcc0\ud615, \uc5f0\ud55c \ubd80\ubd84, \ub0ae\uc740 \uacbd\ub3c4<\/td><\/tr><tr><td>\uacfc\uc5f4<\/td><td>\uc57d 1888\u00b0F \/ 1031\u00b0C \uc774\uc0c1<\/td><td>\uc870\ub9bd\uc9c8, \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8, \ucde8\uc131<\/td><\/tr><tr><td>\uacfc\ub3c4\ud558\uac8c \ub2f4\uadf8\uae30<\/td><td>\uace0\uc628\uc5d0 \ub108\ubb34 \uc624\ub798 \ub178\ucd9c\ub428<\/td><td>\uade0\uc5f4 \ubc1c\uc0dd \uc704\ud5d8 \uc99d\uac00 \ubc0f \uad6c\uc870 \ubd88\uc548\uc815<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc21c\ud788 \uacbd\ub3c4\ub97c \ub192\uc774\uae30 \uc704\ud574 \uc628\ub3c4\ub97c \ub192\uc774\uac70\ub098 \uc720\uc9c0 \uc2dc\uac04\uc744 \ub298\ub9ac\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. D2 \ud569\uae08\uc758 \uacbd\uc6b0, \uacfc\uc5f4\uc740 \uc801\uc808\ud55c \uacf5\uc815\ubcf4\ub2e4 \uc624\ud788\ub824 \ub354 \uc2ec\uac01\ud55c \uc190\uc0c1\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-cooling-d2-too-far-before-tempering\" class=\"wp-block-heading has-large-font-size\">D2\ub97c \ud15c\ud37c\ub9c1\ud558\uae30 \uc804\uc5d0 \ub108\ubb34 \ub9ce\uc774 \ub0c9\uac01\uc2dc\ud0a4\uba74 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ud654\ub41c D2 \uac15\uc7ac\ub97c \uc644\uc804\ud788 \uc2dd\ud78c \ud6c4 \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub97c \ud558\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\ub85c \ubc29\uce58\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc774\ub294 \uc791\uc5c5 \ud604\uc7a5\uc5d0\uc11c \uac00\uc7a5 \uc704\ud5d8\ud55c \uc2e4\uc218 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacf5\uad6c\ub97c \uc57d 65\u00b0C(150\u00b0F)\uae4c\uc9c0 \uace0\ub974\uac8c \uacf5\ub7ad\uc2dc\ud0a8 \ud6c4 \uc989\uc2dc \ud15c\ud37c\ub9c1\ub85c\ub85c \uc62e\uae30\uc2ed\uc2dc\uc624. \uc774 \ub2e8\uacc4\uc5d0\uc11c \uacf5\uad6c\uc5d0\ub294 \uc5ec\uc804\ud788 \ub192\uc740 \ub0b4\ubd80 \uc751\ub825\uc774 \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4. \ud15c\ud37c\ub9c1\uc774 \uc9c0\uc5f0\ub418\uba74 \ucde8\uae09, \ubcf4\uad00 \ub610\ub294 \uc774\ud6c4 \uc0ac\uc6a9 \uc911\uc5d0 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc57d 150mm(6\uc778\uce58) \uc774\uc0c1\uc758 \ub450\uaebc\uc6b4 \ubd80\ud488\uc758 \uacbd\uc6b0, \uc815\uc9c0\ub41c \uacf5\uae30\ub85c\ub294 \ubd80\ud488\uc774 \ucda9\ubd84\ud788 \uacbd\ud654\ub420 \ub9cc\ud07c \ube60\ub974\uac8c \ub0c9\uac01\ub418\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uacbd\uc6b0, \uc57d 205~425\u00b0C(400~800\u00b0F)\uc758 \ub530\ub73b\ud558\uace0 \uc798 \uad50\ubc18\ub41c \uc624\uc77c\uc5d0 \ub2f4\uac00 \uae09\uc18d \uc624\uc77c \ud01c\uce6d\ud558\uc2ed\uc2dc\uc624. \uc624\uc77c \ud01c\uce6d \uc804\uc5d0 \ubcf4\ud638 \ud3ec\uc77c\uc744 \uc81c\uac70\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 id=\"h-using-only-one-tempering-cycle\" class=\"wp-block-heading has-large-font-size\">\ub2e8 \ud558\ub098\uc758 \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074\ub9cc \uc0ac\uc6a9\ud558\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D2\uac15\uc5d0\ub294 \ub2e8\uc77c \ud15c\ud37c\ub9c1 \uc0ac\uc774\ud074\uc744 \uc0ac\uc6a9\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc774\uc911 \ud15c\ud37c\ub9c1\uc744 \ud45c\uc900\uc73c\ub85c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uace0\uc815\ubc00 \ub610\ub294 \ubcf5\uc7a1\ud55c \uacf5\uad6c\uc758 \uacbd\uc6b0 \uc0bc\uc911 \ud15c\ud37c\ub9c1\uc774 \ub354 \uc548\uc804\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub450\uaed8 1\uc778\uce58\ub2f9 \ucd5c\uc18c 2\uc2dc\uac04 \ub3d9\uc548 \ubd80\ud488\uc744 \ud15c\ud37c\ub9c1 \uc628\ub3c4\uc5d0\uc11c \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624. \ud15c\ud37c\ub9c1 \uc8fc\uae30 \uc0ac\uc774\uc5d0 \uacf5\uad6c\ub97c \uc2e4\uc628\uae4c\uc9c0 \uc644\uc804\ud788 \ub0c9\uac01\ud558\uc2ed\uc2dc\uc624. \uc774 \ub2e8\uacc4\ub294 \uad6c\uc870\ub97c \uc548\uc815\ud654\ud558\uace0 \ub0b4\ubd80 \uc751\ub825\uc744 \uc904\uc774\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\ub2f4\uae08\uc9c8 \uc694\uad6c \uc0ac\ud56d<\/td><td>\uc2e4\uc6a9\uc801\uc778 \uaddc\uce59<\/td><\/tr><tr><td>\ud45c\uc900 \uad00\ud589<\/td><td>\uc774\uc911 \uc5f4\ucc98\ub9ac<\/td><\/tr><tr><td>\ub354 \ub192\uc740 \uc548\uc815\uc131 \uc694\uad6c \uc0ac\ud56d<\/td><td>\uc0bc\uc911 \uc628\ub3c4<\/td><\/tr><tr><td>\ubcf4\uc720 \uc2dc\uac04<\/td><td>\ub450\uaed8 1\uc778\uce58\ub2f9 \ucd5c\uc18c 2\uc2dc\uac04<\/td><\/tr><tr><td>\ud15c\ud37c\ub9c1 \uc8fc\uae30 \uc0ac\uc774<\/td><td>\uc2e4\uc628\uc73c\ub85c \uc644\uc804\ud788 \uc2dd\ud788\uc138\uc694<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-tempering-in-the-500-700-f-embrittlement-range\" class=\"wp-block-heading has-large-font-size\">500~700\u00b0F \ucde8\uc131 \ubc94\uc704\uc5d0\uc11c\uc758 \ud15c\ud37c\ub9c1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D2\uac15\uc744 260\u00b0C~370\u00b0C(500\u00b0F~700\u00b0F) \uc0ac\uc774\uc5d0\uc11c \ud15c\ud37c\ub9c1\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc774 \ubc94\uc704\uc5d0\uc11c\ub294 \ud15c\ud37c\ub9c1 \ucde8\uc131\uc774 \ubc1c\uc0dd\ud558\uc5ec \uc778\uc131\uc774 \uc800\ud558\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd5c\ub300 \uacbd\ub3c4\ub97c \uc5bb\uc73c\ub824\uba74 \uc57d 205\u00b0C(400\u00b0F)\uc5d0\uc11c \ud15c\ud37c\ub9c1\ud558\uba74 \uc57d 62 HRC\uc758 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc548\uc815\uc131\uc744 \ub192\uc774\ub824\uba74 \uace0\uc628 \uc774\uc911 \ud15c\ud37c\ub9c1\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 515\u00b0C(960\u00b0F)\uc5d0\uc11c 1\ucc28 \ud15c\ud37c\ub9c1\uc744 \ud558\uace0 480\u00b0C(900\u00b0F)\uc5d0\uc11c 2\ucc28 \ud15c\ud37c\ub9c1\uc744 \ud558\uba74 \uc57d 58 HRC\uc758 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\ud15c\ud37c\ub9c1 \uacbd\ub85c<\/td><td>\uc77c\ubc18\uc801\uc778 \uacb0\uacfc<\/td><\/tr><tr><td>\uc57d 400\u00b0F \/ 205\u00b0C<\/td><td>\uc57d 62 HRC, \ub354 \ub192\uc740 \uacbd\ub3c4<\/td><\/tr><tr><td>960\u00b0F \/ 515\u00b0C + 900\u00b0F \/ 480\u00b0C<\/td><td>\uc57d 58 HRC\ub85c \uc548\uc815\uc131\uc774 \ub354 \ub6f0\uc5b4\ub0a9\ub2c8\ub2e4.<\/td><\/tr><tr><td>500~700\u00b0F \/ 260~370\u00b0C<\/td><td>\uc774 \ubc94\uc704\ub97c \ud53c\ud558\uc138\uc694<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-grinding-hardened-d2-too-aggressively\" class=\"wp-block-heading has-large-font-size\">\uacbd\ud654\ub41c D2\ub97c \ub108\ubb34 \uacfc\ud558\uac8c \uac08\uc544\ubc84\ub9ac\uba74 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ud654\ub41c D2\uac15\uc744 \uacfc\ub3c4\ud55c \uc555\ub825\uc774\ub098 \ub192\uc740 \uc808\uc0ad\ub7c9\uc73c\ub85c \uc5f0\uc0ad\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uacfc\ub3c4\ud55c \uc5f0\uc0ad\uc740 \ud45c\uba74\uc5d0 \uad6d\ubd80\uc801\uc778 \uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ucf1c \uacfc\uc5f4, \uc7ac\uacbd\ud654 \ub610\ub294 \uacf5\uad6c \ud45c\uba74\uc5d0 \ubbf8\uc138 \uade0\uc5f4\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub0a0\uce74\ub85c\uc6b4 \uc5f0\uc0ad \ud720\uc744 \uc0ac\uc6a9\ud558\uace0, \uc7ac\ub8cc\ub97c \ucd5c\uc18c\ud55c\uc73c\ub85c \uc81c\uac70\ud558\uba70, \uc555\ub825\uc744 \uc801\uc808\ud788 \uc870\uc808\ud558\uace0, \ucda9\ubd84\ud55c \ub0c9\uac01\uc218\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc2ec\ud55c \uc5f0\uc0ad\uc774 \ubd88\uac00\ud53c\ud55c \uacbd\uc6b0, \uc6d0\ub798 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ubcf4\ub2e4 \uc57d 40\u00b0C\/80\u00b0F \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c \uc751\ub825 \uc644\ud654 \ud15c\ud37c\ub9c1\uc744 \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<h2 id=\"h-skipping-stress-relief-after-edm-or-welding\" class=\"wp-block-heading has-large-font-size\">EDM \ub610\ub294 \uc6a9\uc811 \ud6c4 \uc751\ub825 \uc644\ud654 \uacf5\uc815 \uc0dd\ub7b5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">EDM\uc774\ub098 \uc6a9\uc811\uc73c\ub85c \ubc1c\uc0dd\ud55c \uc751\ub825\uc744 \ucc98\ub9ac\ud558\uc9c0 \uc54a\uace0 \ubc29\uce58\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. EDM\uc740 \uc5f4\ucc98\ub9ac\uac00 \ub418\uc9c0 \uc54a\uc740 \uc7ac\uc6a9\uc735\uce35\uc744 \ub0a8\uae38 \uc218 \uc788\uc73c\uba70, \uc6a9\uc811\uc740 \uad6d\ubd80\uc801\uc778 \uc5f4 \uc751\ub825\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc29\uc804\uac00\uacf5(EDM) \ub610\ub294 \uc6a9\uc811 \ud6c4, \ucd5c\uc885 \ud15c\ud37c\ub9c1 \uc628\ub3c4\ubcf4\ub2e4 14~28\u00b0C \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c \uc751\ub825 \uc644\ud654 \ud15c\ud37c\ub9c1\uc744 \uc801\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc774\ub294 \ucd5c\uc885 \uacbd\ub3c4 \ubaa9\ud45c\ub97c \uc720\uc9c0\ud558\uba74\uc11c \ub0b4\ubd80 \uc751\ub825\uc744 \uc904\uc774\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-re-hardening-overheated-d2-without-correction\" class=\"wp-block-heading has-large-font-size\">\uacfc\uc5f4\ub41c D2\ub97c \uc218\uc815 \uc5c6\uc774 \uc7ac\uacbd\ud654<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uacfc\uc5f4\ub41c D2\uac15\uc744 \uc989\uc2dc \uc7ac\uacbd\ud654\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ubd80\ud488\uc774 \uacfc\uc5f4\ub41c \uacbd\uc6b0 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uac00 \uacfc\ub2e4\ud558\uac8c \ub0a8\uc544 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c1\uc811 \uc7ac\uacbd\ud654\ud558\uba74 \uad6c\uc870\uac00 \uc545\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc218\ucd95, \uc790\uc131 \uc0c1\uc2e4 \ub610\ub294 \uc608\uc0c1 \uacbd\ub3c4 \ubbf8\ub2ec\uacfc \uac19\uc740 \ud604\uc0c1\uc774 \uacbd\uace0 \uc2e0\ud638\ub85c \ub098\ud0c0\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub4dc\ub77c\uc774\uc544\uc774\uc2a4 \ucc98\ub9ac \ub610\ub294 \uc601\ud558 300\u00b0F(-184\u00b0C) \uc815\ub3c4\uc758 \ucd08\uc800\uc628 \ucc98\ub9ac\ub294 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub85c \ubcc0\ud658\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \ud6c4, \ubd80\ud488\uc744 \ub2e4\uc2dc \ud15c\ud37c\ub9c1\ud558\uc2ed\uc2dc\uc624. \uc774\ub294 \uc77c\ubc18\uc801\uc778 \ub2e8\ucd95 \ubc29\ubc95\uc774 \uc544\ub2c8\ub77c \uc218\uc815 \ubc29\ubc95\uc73c\ub85c \uac04\uc8fc\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-conclusion\" class=\"wp-block-heading has-large-font-size\">\uacb0\ub860<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D2 \uc5f4\ucc98\ub9ac \uc624\ub958\ub97c \ubc29\uc9c0\ud558\ub294 \uc8fc\uc694 \ubc29\ubc95\uc740 \uc628\ub3c4, \uc2dc\uac04, \ub0c9\uac01 \ubc0f \uc751\ub825\uc744 \uc81c\uc5b4\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uac00\uc5f4\uc744 \uc11c\ub450\ub974\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uacfc\uc5f4\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ud15c\ud37c\ub9c1\uc744 \uc9c0\uc5f0\uc2dc\ud0a4\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uc774\uc911 \ud15c\ud37c\ub9c1\uc744 \uc0dd\ub7b5\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \uacfc\ub3c4\ud55c \uc5f0\uc0ad\uc744 \uc0ac\uc6a9\ud558\uac70\ub098 EDM \ubc0f \uc6a9\uc811 \uc751\ub825\uc744 \ucc98\ub9ac\ud558\uc9c0 \uc54a\uc740 \ucc44\ub85c \ub450\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D2\uac15\uc740 \uc801\uc808\ud55c \uacbd\ud654 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub97c \uac70\uce58\uba74 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubc1c\ud718\ud558\uc9c0\ub9cc, \uacf5\uc815\uc774 \uac70\uce60\uba74 \uc131\ub2a5\uc774 \uc800\ud558\ub429\ub2c8\ub2e4. \uc81c\uc5b4\ub41c \uacf5\uc815\uc744 \ud1b5\ud574 \uc548\uc815\uc801\uc778 \uacbd\ub3c4, \ubcc0\ud615 \uac10\uc18c, \uacf5\uad6c \uc218\uba85 \uc5f0\uc7a5\uc744 \ub2ec\uc131\ud560 \uac00\ub2a5\uc131\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D2 \uc5f4\ucc98\ub9ac \uad00\ub828 \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uc744 \ucc38\uc870\ud558\uc2ed\uc2dc\uc624. <a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel-heat-treatment-guide\/\">D2 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/a>.<\/p>\n\n\n\n<ul class=\"wp-block-yoast-seo-related-links yoast-seo-related-links\">\n<li><a href=\"https:\/\/aobosteel.com\/ko\/h13-tool-steel\/\">H13 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4 | 1.2344 | SKD61 | \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \ub300\ub7c9 \uacf5\uae09<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/blog\/how-to-sharpen-d2-steel\/\">D2 \uac15\ucca0 \uc5f0\ub9c8 \ubc29\ubc95: \uc5f0\ub9c8\uc7ac, \uc5f4 \uc870\uc808 \ubc0f \ud638\ub2dd<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/dc53-vs-d2-tool-steel\/\">DC53\uacfc D2 \uacf5\uad6c\uac15 \ube44\uad50 \ubc0f \uc120\ud0dd \uac00\uc774\ub4dc<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/o1-tool-steel-heat-treatment\/\">O1 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \ucc28\ud2b8: \uacbd\ud654, \uc624\uc77c \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uac00\uc774\ub4dc<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/blog\/can-h13-tool-steel-be-welded\/\">H13 \uacf5\uad6c\uac15 \uc6a9\uc811 \uac00\ub2a5 \uc5ec\ubd80? \uc608\uc5f4, \uc6a9\uc811\ubd09 \ubc0f \uc6a9\uc811 \ud6c4 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>How to Avoid D2 Heat Treatment Mistakes D2 tool steel heat treatment mistakes include: poor surface protection, rapid heating, overheating, delayed tempering, insufficient tempering, and aggressive finishing, all of which can cause cracking, distortion, low hardness, or early tool failure. The safest approach is to control each stage: protect the surface, preheat slowly, keep the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[22],"tags":[],"class_list":["post-15462","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Avoid D2 Heat Treatment Mistakes | Hardening &amp; 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