{"id":15993,"date":"2026-06-22T14:43:05","date_gmt":"2026-06-22T06:43:05","guid":{"rendered":"https:\/\/aobosteel.com\/?p=15993"},"modified":"2026-06-22T14:43:07","modified_gmt":"2026-06-22T06:43:07","slug":"1045-vs-tool-steel","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/1045-vs-tool-steel\/","title":{"rendered":"1045\uac15\uacfc \uacf5\uad6c\uac15: \uac01\uac01\uc758 \uc6a9\ub3c4"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-1045-vs-tool-steel\">1045\uac15 vs \uacf5\uad6c\uac15<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">1045(AISI\/SAE 1045, EN\/DIN\uc5d0\uc11c\ub294 C45, JIS\uc5d0\uc11c\ub294 S45C\ub85c \ud45c\uae30)\ub294 \uc911\uac04 \uc815\ub3c4\uc758 \uac15\ub3c4\uac00 \uc694\uad6c\ub418\ub294 \uae30\uacc4 \ubd80\ud488, \ucd95 \ubc0f \uad6c\uc131 \uc694\uc18c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc911\ud0c4\uc18c\uac15\uc785\ub2c8\ub2e4. \uacf5\uad6c\uac15\uc774 \uc544\ub2c8\ubbc0\ub85c \uacf5\uad6c\uac15\uc73c\ub85c \ub300\uccb4\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-is-1045-steel\" class=\"wp-block-heading\">1045\uac15\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1045\ub294 \ud0c4\uc18c \ud568\ub7c9\uc774 \uc57d 0.45%\uc774\uace0 \ud569\uae08\uc774 \ucd5c\uc18c\ud55c\uc73c\ub85c \ucca8\uac00\ub41c \uc911\ud0c4\uc18c\uac15\uc785\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \ub4f1\uae09\uc740 \ubbf8\uad6d\uc5d0\uc11c\ub294 AISI\/SAE 1045, \uc720\ub7fd\uc5d0\uc11c\ub294 EN\/DIN\uc5d0\uc11c C45(1.0503), \uc77c\ubcf8\uc5d0\uc11c\ub294 JIS\uc5d0\uc11c S45C, \uc911\uad6d\uc5d0\uc11c\ub294 GB \ud45c\uc900\uc5d0\uc11c 45\uac15\uc73c\ub85c \ubd88\ub9bd\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud0c4\uc18c \ud568\ub7c9\uc740 \uc57d 0.43~0.50%\uc774\uba70, \ub9dd\uac04\uc774 \uc8fc\uc694 \ud569\uae08 \uc6d0\uc18c\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc870\uc131 \ub355\ubd84\uc5d0 \uc801\ub2f9\ud55c \uac15\ub3c4, \uc591\ud638\ud55c \uc778\uc131, \uc5b4\ub2d0\ub9c1 \ub610\ub294 \ub178\uba40\ub77c\uc774\uc9d5 \ucc98\ub9ac \uc2dc \uc6b0\uc218\ud55c \uac00\uacf5\uc131, \uadf8\ub9ac\uace0 \uc800\ub834\ud55c \uac00\uaca9\uc744 \uac16\uc2b5\ub2c8\ub2e4. \uc720\ub3c4 \uacbd\ud654 \ub610\ub294 \ud654\uc5fc \uacbd\ud654\ub85c \ud45c\uba74 \uacbd\ud654\uac00 \uac00\ub2a5\ud558\uc9c0\ub9cc, \ud569\uae08 \uacf5\uad6c\uac15\ucc98\ub7fc \uc5f4\ucc98\ub9ac\uc5d0 \ubbfc\uac10\ud558\uac8c \ubc18\uc751\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-chemical-composition-1045-vs-d2-tool-steel\" class=\"wp-block-heading\">\ud654\ud559\uc801 \uc870\uc131: 1045 vs D2 \uacf5\uad6c\uac15<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc694\uc18c<\/td><td>1045<\/td><td>D2 \uacf5\uad6c\uac15<\/td><\/tr><tr><td>\ud0c4\uc18c \u00a9<\/td><td>0.43\u20130.50%<\/td><td>1.40\u20131.60%<\/td><\/tr><tr><td>\ub9dd\uac04(Mn)<\/td><td>0.60\u20130.90%<\/td><td>0.20\u20130.60%<\/td><\/tr><tr><td>\ud06c\ub86c(Cr)<\/td><td>\ucd94\uc801\ud558\ub2e4<\/td><td>11.0\u201313.0%<\/td><\/tr><tr><td>\ubab0\ub9ac\ube0c\ub374(Mo)<\/td><td>\ucd94\uc801\ud558\ub2e4<\/td><td>0.70\u20131.20%<\/td><\/tr><tr><td>\ubc14\ub098\ub4d0(V)<\/td><td>\ucd94\uc801\ud558\ub2e4<\/td><td>0.50\u20131.10%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1045\ub294 \ud0c4\uc18c\uc640 \ub9dd\uac04\ub9cc\uc73c\ub85c \uc774\ub8e8\uc5b4\uc838 \uc788\uc73c\uba70, \ud06c\ub86c, \ubab0\ub9ac\ube0c\ub374, \ubc14\ub098\ub4d0\uc740 \uc758\ub3c4\uc801\uc73c\ub85c \ucca8\uac00\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud569\uae08 \uc6d0\uc18c\ub4e4\uc774 \ube60\uc838 \uc788\ub294 \uac83\uc774 \ubc14\ub85c 1045\uc758 \ud2b9\uc131\uc785\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/what-is-tool-steel\/\">\uacf5\uad6c\uac15<\/a> \ub0b4\ub9c8\ubaa8\uc131, \uacbd\ud654\uc131 \ubc0f \uacf5\uad6c \uc131\ub2a5.<\/p>\n\n\n\n<h2 id=\"h-hardness-capability\" class=\"wp-block-heading\">\uacbd\ub3c4 \ub2a5\ub825<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1045\uac15\uc740 \uacbd\ud654\uac00 \uac00\ub2a5\ud558\uc9c0\ub9cc \uacf5\uad6c\uac15 \uc218\uc900\uc5d0\ub294 \ud55c\ucc38 \ubabb \ubbf8\uce69\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc7ac\ub8cc<\/td><td>\ucd5c\ub300 \uc2e4\uc6a9 \uacbd\ub3c4<\/td><td>\uad00\ud1b5 \uacbd\ud654 \ub2e8\uba74 \ud55c\uacc4<\/td><\/tr><tr><td>1045<\/td><td>\uacbd\ub3c4 \uc57d 55 HRC (\ubc15\ud3b8, \uc218\ub0c9)<\/td><td>\uc57d 12mm<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/ko\/o1-tool-steel\/\">O1 \uacf5\uad6c\uac15<\/a><\/td><td>~62 HRC<\/td><td>\uc57d 50mm (\uc720\uccb4)<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">D2 \uacf5\uad6c\uac15<\/a><\/td><td>~62 HRC<\/td><td>\uc57d 150mm \uc774\uc0c1 (\uacf5\uc911)<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/ko\/h13-tool-steel\/\">H13 \uacf5\uad6c\uac15<\/a><\/td><td>~54 HRC<\/td><td>\uc57d 150mm \uc774\uc0c1 (\uacf5\uc911)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc801\uc778 \uc81c\uc57d\uc740 \ub450\uaed8\uc785\ub2c8\ub2e4. 1045\uac15\uc740 \uc218\ub0c9 \uc2dc \ub9e4\uc6b0 \uc587\uc740 \ubd80\ubd84\uc5d0\uc11c\ub9cc \ub192\uc740 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc5b4, \uc0c1\ub2f9\ud55c \ubcc0\ud615\uacfc \uade0\uc5f4 \uc704\ud5d8 \uc99d\uac00\ub97c \ucd08\ub798\ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \uae08\ud615 \ubc0f \uacf5\uad6c \ubd80\ubd84\uc758 \uacbd\ub3c4\ub294 \uae30\uaecf\ud574\uc57c 25~50 HRC \uc815\ub3c4\uc5d0 \ubd88\uacfc\ud558\uba70, \uadf8\ub9c8\uc800\ub3c4 \uacbd\ub3c4\uac00 \ub192\uc740 \ubd80\ubd84\uc740 \ud45c\uba74\uc801\uc774\uace0 \uc911\uc2ec\ubd80\ub294 \uc5ec\uc804\ud788 \ubb34\ub978 \uc0c1\ud0dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D2, A2, O1, H13\uacfc \uac19\uc740 \uacf5\uad6c\uac15\uc740 \ud569\uae08 \uc131\ubd84\uc73c\ub85c \uc778\ud574 \uc2ec\uce35 \uacbd\ud654\uc131\uc744 \ub098\ud0c0\ub0b4\ubbc0\ub85c, \ubcc0\ud615\uc774 \uc801\uc740 \uacf5\uae30 \ub610\ub294 \uc624\uc77c \ub2f4\uae08\uc9c8\uc744 \ud1b5\ud574 \ud6e8\uc52c \ub450\uaebc\uc6b4 \ub2e8\uba74\uc5d0\uc11c\ub3c4 \ucd5c\ub300 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-when-1045-is-the-right-choice\" class=\"wp-block-heading\">1045\uac00 \uc62c\ubc14\ub978 \uc120\ud0dd\uc77c \ub54c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1045\uac15\uc740 \uacf5\uad6c \uacbd\ub3c4 \uc218\uc900\uc758 \uac15\ub3c4\ubcf4\ub2e4\ub294 \uc801\ub2f9\ud55c \uac15\ub3c4\uac00 \ud544\uc694\ud55c \ubd80\ud488\uc5d0 \uc801\ud569\ud55c \uacbd\uc81c\uc801\uc778 \uc120\ud0dd\uc785\ub2c8\ub2e4. \uc911\uac04 \uc815\ub3c4\uc758 \ud558\uc911\uc744 \ubc1b\ub294 \uae30\uacc4 \ucd95, \ucc28\ucd95, \uc2a4\ud540\ub4e4, \ubcfc\ud2b8, \uc2a4\ud130\ub4dc, \ud540, \uacbd\ub7c9 \ubc0f \uc911\ub7c9\uae09 \uae30\uc5b4, \uc77c\ubc18 \uad6c\uc870 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ud558\uae30\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ub610\ud55c \uc811\ucd09\uba74\uc758 \uc720\ub3c4 \uacbd\ud654\ub9cc\uc73c\ub85c\ub3c4 \ucda9\ubd84\ud55c \uacbd\ud654 \ud45c\uba74\ub9cc \ud544\uc694\ud55c \ubd80\ud488\uc5d0\ub3c4 \uc801\ud569\ud569\ub2c8\ub2e4. \ub0b4\ub9c8\ubaa8\uc131\uc774\ub098 \uacf5\uad6c \uc131\ub2a5\uc774 \uc911\uc694\ud558\uc9c0 \uc54a\uace0 \ube44\uc6a9\uc774 \ub354 \uc911\uc694\ud55c \uacbd\uc6b0, 1045\uac15\uc774 \uc81c \uc5ed\ud560\uc744 \ud574\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-when-tool-steel-is-required-instead-of-1045\" class=\"wp-block-heading\">1045\uac15 \ub300\uc2e0 \uacf5\uad6c\uac15\uc774 \ud544\uc694\ud55c \uacbd\uc6b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1045\uac15\uc740 \ub2e8\uba74 \uc804\uccb4\uc5d0 \uac78\uccd0 \ub2e8\ub2e8\ud558\uace0 \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub6f0\uc5b4\ub09c \uc791\uc5c5 \ud45c\uba74\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc808\uc0ad\ub0a0\uc744 \uc81c\ub300\ub85c \uc720\uc9c0\ud558\uc9c0 \ubabb\ud558\uace0, \ub2e4\uc774 \ub610\ub294 \ud380\uce58\ub85c \uc0ac\uc6a9\ud560 \uacbd\uc6b0 \ub9c8\ubaa8 \ubc0f \ubcc0\ud615\uc774 \uc2ec\ud558\uba70, \uc131\ud615 \uacf5\uad6c\uc5d0 \ud544\uc694\ud55c \uc555\ucd95 \uac15\ub3c4\uac00 \ubd80\uc871\ud558\uace0, \uc804\ub2e8 \ub0a0\uc758 \ub0a0 \uc720\uc9c0\ub825\ub3c4 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ub610\ud55c \uace0\uc628 \uacbd\ub3c4\uac00 \ub0ae\uc544 \uace0\uc628 \uc791\uc5c5 \uc2dc \uc5f0\ud654\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub2e8\uba74 \uc804\uccb4\uc5d0 \uac78\uccd0 58 HRC \uc774\uc0c1\uc758 \uacbd\ub3c4\uac00 \ud544\uc694\ud55c \uacf5\uad6c\uc5d0\ub294 1045\uac15\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/td><td>1045<\/td><td>\uc815\ud655\ud55c \uacf5\uad6c\uac15<\/td><\/tr><tr><td>\ube14\ub7ad\ud0b9 \ub2e4\uc774<\/td><td>\ube60\ub974\uac8c \uc2e4\ud328\ud569\ub2c8\ub2e4<\/td><td>\ub5142 \ub610\ub294 A2<\/td><\/tr><tr><td>\uc131\ud615 \ub2e4\uc774<\/td><td>\ub9c8\ubaa8 \ubc0f \ubcc0\ud615<\/td><td>A2 \ub610\ub294 O1<\/td><\/tr><tr><td>\ud380\uce58<\/td><td>\ubcc0\ud615\ub418\uace0 \uae68\uc9d1\ub2c8\ub2e4<\/td><td>\ub5142 \ub610\ub294 A2<\/td><\/tr><tr><td>\uc804\ub2e8\ub0a0<\/td><td>\uac00\uc7a5\uc790\ub9ac \uc794\uc0c1 \uc5c6\uc74c<\/td><td>\ub5142<\/td><\/tr><tr><td>\ub2e4\uc774\uce90\uc2a4\ud305 \ub2e4\uc774<\/td><td>\uc57d\ud574\uc9c0\uace0 \uc2e4\ud328\ud569\ub2c8\ub2e4<\/td><td>H13<\/td><\/tr><tr><td>\uae30\uacc4 \uc0e4\ud504\ud2b8<\/td><td>\uc218\uc6a9 \uac00\ub2a5<\/td><td>\ud544\uc694 \uc5c6\uc74c<\/td><\/tr><tr><td>\uad6c\uc870 \uad6c\uc131 \uc694\uc18c<\/td><td>\uc88b\uc740<\/td><td>\ud544\uc694 \uc5c6\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-1045-vs-o1-the-minimum-tool-steel-upgrade\" class=\"wp-block-heading\">1045 vs O1: \ucd5c\uc18c\ud55c\uc758 \uacf5\uad6c\uac15 \uc5c5\uadf8\ub808\uc774\ub4dc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">1045\uc640 O1\uc740 \uc800\uac00\ud615 \uacbd\ub7c9 \uacf5\uad6c \uc81c\uc791\uc5d0 \uc885\uc885 \ud568\uaed8 \uc0ac\uc6a9\ub418\uc9c0\ub9cc, \uc5c4\uc5f0\ud788 \ub2e4\ub978 \uc7ac\uc9c8\uc785\ub2c8\ub2e4. O1\uc740 1045\ubcf4\ub2e4 \ud0c4\uc18c \ud568\ub7c9\uc774 \uc57d \ub450 \ubc30 \ub192\uc744 \ubfd0 \uc544\ub2c8\ub77c, \ub9dd\uac04, \ud06c\ub86c, \ud145\uc2a4\ud150 \ub4f1\uc758 \ud569\uae08 \uc131\ubd84\ub3c4 \uc758\ub3c4\uc801\uc73c\ub85c \ucca8\uac00\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub192\uc740 \ud0c4\uc18c \ubc0f \ud569\uae08 \ud568\ub7c9 \ub355\ubd84\uc5d0 O1\uc740 \ud0c4\ud654\ubb3c\uc744 \ud615\uc131\ud558\uace0, \uc624\uc77c \uacbd\ud654 \uc2dc \ubcc0\ud615\uc774 \uc801\uc73c\uba70, \ub0a0\uce74\ub85c\uc6b4 \ub0a0\uc744 \uc624\ub7ab\ub3d9\uc548 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\uc7ac\uc0b0<\/td><td>1045<\/td><td>\uc6241<\/td><\/tr><tr><td>\ud0c4\uc18c<\/td><td>~0.45%<\/td><td>~0.90%<\/td><\/tr><tr><td>\uc8fc\uc694 \ud569\uae08<\/td><td>\ub9dd\uac04\ub9cc<\/td><td>\ub9dd\uac04, \ud06c\ub86c, \uc640\uc774\uc628<\/td><\/tr><tr><td>\ub0b4\ub9c8\ubaa8\uc131<\/td><td>\uac00\ub09c\ud55c<\/td><td>\ud06c\ub86c \ubc0f \ud145\uc2a4\ud150 \ud0c4\ud654\ubb3c\uc5d0\uc11c \uc720\ub798\ud55c \uc911\uac04 \uc815\ub3c4\uc758 \uac15\ub3c4<\/td><\/tr><tr><td>\uac15\ud654\uc131<\/td><td>\uc595\uc740 (\ubb3c \ub2f4\uae08\uc9c8)<\/td><td>\uc88b\uc74c (\uc624\uc77c \ud01c\uce6d)<\/td><\/tr><tr><td>\uce58\uc218 \uc548\uc815\uc131<\/td><td>\ubd88\ub7c9 (\uc218\ub0c9 \ubcc0\ud615)<\/td><td>\uc88b\uc74c (\uc624\uc77c \ud01c\uce6d)<\/td><\/tr><tr><td>\ucd5c\ub300 \uacbd\ub3c4<\/td><td>\uacbd\ub3c4 ~55 HRC (\ubc15\ud3b8 \uae30\uc900)<\/td><td>58\u201362 HRC<\/td><\/tr><tr><td>\uac00\uacf5\uc131 (\uc5b4\ub2d0\ub9c1 \ucc98\ub9ac)<\/td><td>\ud6cc\ub96d\ud55c<\/td><td>\uc88b\uc740<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1045\uac15\uc744 \uacf5\uad6c\ub098 \uae08\ud615\uc73c\ub85c \uc0ac\uc6a9\ud558\ub824\ub294 \ubaa8\ub4e0 \uc791\uc5c5\uc5d0\uc11c O1\uac15\uc740 \ucd5c\uc18c\ud55c\uc73c\ub85c \uc5c5\uadf8\ub808\uc774\ub4dc\ud560 \ub9cc\ud55c \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. O1\uac15\uc740 \ub354 \ub098\uc740 \uacbd\ud654\uc131, \ub354 \ub192\uc740 \uacbd\ub3c4, \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131, \uadf8\ub9ac\uace0 \ub0ae\uc740 \ubcc0\ud615\ub960\uc744 \ud569\ub9ac\uc801\uc778 \uac00\uaca9\uc5d0 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-surface-hardening-a-partial-solution\" class=\"wp-block-heading\">\ud45c\uba74 \uacbd\ud654: \ubd80\ubd84\uc801\uc778 \ud574\uacb0\ucc45<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc720\ub3c4 \uacbd\ud654 \ub610\ub294 \ud654\uc5fc \uacbd\ud654 \ucc98\ub9ac\ub97c \ud1b5\ud574 1045\uac15\uc740 \uc9c8\uae34 \uc2ec\uc7ac \uc704\uc5d0 50~58 HRC\uc758 \uacbd\ub3c4\ub97c \uac00\uc9c4 \ud45c\uba74\uce35\uc744 \ud615\uc131\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ucd95\uc774\ub098 \uc720\uc0ac \ubd80\ud488\uc758 \ub9c8\ubaa8\uba74\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\ub7ec\ud55c \ud45c\uba74 \uacbd\ud654 \ucc98\ub9ac\uac00 1045\uac15\uc744 \uacf5\uad6c\uac15\uc73c\ub85c \ub300\uccb4\ud558\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \ud45c\uba74\uce35\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 1~5mm \uc815\ub3c4\ub85c \uc587\uace0, \uc2ec\uc7ac\ub294 \ubb34\ub974\uae30 \ub54c\ubb38\uc5d0 \uace0\ud558\uc911\uc744 \uacac\ub51c \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ud45c\uba74 \uacbd\ud654\ub294 \ud0c4\ud654\ubb3c\uc744 \uc0dd\uc131\ud558\uc9c0 \uc54a\uc73c\ubbc0\ub85c \ub0b4\ub9c8\ubaa8\uc131\uc774 \uc81c\ud55c\uc801\uc774\uba70, \ub192\uc740 \uc811\ucd09 \uc751\ub825 \ud558\uc5d0\uc11c \uade0\uc5f4\uc774\ub098 \ubc15\ub9ac\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc7ac\uc5f0\uc0ad \ubc0f \uc7ac\uacbd\ud654 \ucc98\ub9ac\ub294 \uce58\uc218 \ubcc0\ud654\ub97c \ucd08\ub798\ud569\ub2c8\ub2e4. \uacf5\uad6c \uc81c\uc791\uc5d0\ub294 \ub2e8\uba74 \uc804\uccb4\uc5d0 \uac78\uccd0 \uade0\uc77c\ud55c \ubb3c\uc131\uc744 \uac00\uc9c4 \uad00\ud1b5 \uacbd\ud654\ud615 \uacf5\uad6c\uac15\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/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\/o1-tool-steel\/\">O1 \uacf5\uad6c\uac15 | 1.2510 | SKS3<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/h13-steel-heat-treatment\/\">H13 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc | \uc544\uc624\ubcf4 \uc2a4\ud2f8<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/s7-tool-steel-heat-treatment\/\">S7 \uacf5\uad6c\uac15 \uc5f4\ucc98\ub9ac \uac00\uc774\ub4dc: \uc628\ub3c4, \uacbd\ub3c4 \ubc0f \uacf5\uc815<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/o1-steel-hardness\/\">O1\uac15 \uacbd\ub3c4: \uc5b4\ub2d0\ub9c1, \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac \ud6c4 HRC \uac00\uc774\ub4dc<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/blog\/best-hrc-for-d2-tool-steel\/\">D2 \uacf5\uad6c\uac15\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c HRC\ub294 58~60 HRC\uc77c\uae4c\uc694, \uc544\ub2c8\uba74 60~62 HRC\uc77c\uae4c\uc694?<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>1045 vs Tool Steel 1045 (AISI\/SAE 1045, also designated C45 under EN\/DIN and S45C under JIS) is a medium-carbon steel used for machine parts, shafts, and components that need moderate strength. It is not a tool steel and should not be substituted for one. What Is 1045 Steel? 1045 is a medium-carbon steel with roughly [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15994,"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-15993","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 v28.2 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>1045 Steel vs Tool Steel: When Each Is Used - AoboSteel<\/title>\n<meta name=\"description\" content=\"1045 is a medium-carbon steel, not a tool steel. 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