{"id":15739,"date":"2026-05-31T22:33:03","date_gmt":"2026-05-31T14:33:03","guid":{"rendered":"https:\/\/aobosteel.com\/?p=15739"},"modified":"2026-06-13T21:35:31","modified_gmt":"2026-06-13T13:35:31","slug":"is-440c-steel-good","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/is-440c-steel-good\/","title":{"rendered":"440C \uac15\ucca0\uc740 \uc88b\uc740 \uc120\ud0dd\uc77c\uae4c\uc694? \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \uc0b0\uc5c5\uc801 \ud65c\uc6a9\ub3c4"},"content":{"rendered":"<h1 id=\"h-is-440c-steel-good-strengths-limits-and-best-uses\" class=\"wp-block-heading\">440C \uac15\ucca0\uc740 \uc88b\uc740 \uc7ac\ub8cc\uc77c\uae4c\uc694? \uc7a5\uc810, \ud55c\uacc4 \ubc0f \ucd5c\uc801\uc758 \uc0ac\uc6a9\ucc98<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/aobosteel.com\/ko\/440c-stainless-steel\/\">440C \uac15\ucca0<\/a> \uc774 \uc18c\uc7ac\ub294 \ubd80\ud488\uc5d0 \ub192\uc740 \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131, \uadf8\ub9ac\uace0 \ub0ae\uc740 \ucda9\uaca9 \uc870\uac74\uc5d0\uc11c\uc758 \uc801\ub2f9\ud55c \ub0b4\uc2dd\uc131\uc774 \uc694\uad6c\ub420 \ub54c \uc801\ud569\ud569\ub2c8\ub2e4. \uace0\ud0c4\uc18c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774\ubbc0\ub85c 304\ub098 316\uacfc \uac19\uc740 \uc77c\ubc18\uc801\uc778 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc\ub294 \ub2e4\ub978 \ud2b9\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud6c4\uc5d0 <a href=\"https:\/\/aobosteel.com\/ko\/440c-stainless-steel-heat-treatment\/\">\uc5f4\ucc98\ub9ac<\/a>, 440C\ub294 \uc57d 58~60 HRC\uc758 \uacbd\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacbd\ub3c4\ub294 \uc2ac\ub77c\uc774\ub529 \ub9c8\ubaa8, \ub9c8\ucc30 \ubc0f \ubaa8\uc11c\ub9ac \ubcc0\ud615\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc, \uc778\uc131\uc774 \ub0ae\uace0 \ud53c\ub85c \uc800\ud56d\uc131\uc774 \uc81c\ud55c\uc801\uc774\uba70 \uc6a9\uc811, \uace0\uc628 \ub610\ub294 \uc2ec\uac01\ud55c \ubd80\uc2dd \ud658\uacbd\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\ub2e4\ub294 \ub2e8\uc810\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0b0\uc5c5\uc6a9 \uc18c\uc7ac\ub85c\uc11c 440C\ub97c \uc774\ud574\ud558\ub824\uba74 \uacbd\ud654 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub0b4\ub9c8\ubaa8\uac15\uc73c\ub85c\uc11c\uc758 \uc5ed\ud560\uc5d0 \ucd08\uc810\uc744 \ub9de\ucdb0\uc57c \ud569\ub2c8\ub2e4. \uc2e4\uc81c\ub85c 440C\ub294 \ubca0\uc5b4\ub9c1, \ubc38\ube0c \ubd80\ud488, \ud38c\ud504 \ubd80\ud488, \ubd80\uc2f1, \uc815\ubc00 \ub0b4\ub9c8\ubaa8 \ubd80\ud488, \uc0b0\uc5c5\uc6a9 \ube14\ub808\uc774\ub4dc \ubc0f \uc77c\ubd80 \uae08\ud615 \uc778\uc11c\ud2b8\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uc774\ub7ec\ud55c \ubaa8\ub4e0 \uc81c\ud488\uc740 440C\ub9cc\uc758 \ub3c5\ud2b9\ud55c \ud2b9\uc131 \uade0\ud615 \ub355\ubd84\uc5d0 \uc774\uc810\uc744 \uc5bb\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-is-440c-steel\" class=\"wp-block-heading\">440C \uac15\ucca0\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">AISI 440C\ub294 UNS S44004\ub85c\ub3c4 \uc54c\ub824\uc838 \uc788\uc73c\uba70, \uace0\ud0c4\uc18c, \uace0\ud06c\ub86c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc785\ub2c8\ub2e4. 440A, 440B\uc640 \ud568\uaed8 440 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uacc4\uc5f4\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc774 \uacc4\uc5f4 \uc911 440C\ub294 \ud0c4\uc18c \ud568\ub7c9\uc774 \uac00\uc7a5 \ub192\uc544 \uc5f4\ucc98\ub9ac \ud6c4 \ucd5c\uace0 \uc218\uc900\uc758 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 304\ub098 316\uacfc\ub294 \ub2e4\ub985\ub2c8\ub2e4. \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uacc4 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub0b4\uc2dd\uc131, \uc5f0\uc131 \ubc0f \uc131\ud615\uc131\uc744 \uc911\uc810\uc801\uc73c\ub85c \ub2e4\ub8e8\ub294 \ubc18\uba74, 440C\ub294 \uacbd\ub3c4, \ub0b4\ub9c8\ubaa8\uc131 \ubc0f \ub0a0 \uc720\uc9c0\ub825\uc744 \uc911\uc810\uc801\uc73c\ub85c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\uc694\uc18c<\/strong><\/td><td><strong>\uc77c\ubc18\uc801\uc778 \ubc94\uc704<\/strong><\/td><td><strong>\uc8fc\uc694 \uae30\ub2a5<\/strong><\/td><\/tr><tr><td>\ud0c4\uc18c<\/td><td>0.95\u20131.20%<\/td><td>\uacbd\ub3c4\ub97c \ub192\uc774\uace0 \ud0c4\ud654\ubb3c \ud615\uc131\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ud06c\ub86c<\/td><td>16.0\u201318.0%<\/td><td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \uac19\uc740 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0b4\uba70 \ub2e8\ub2e8\ud55c \ud06c\ub86c \uce74\ubc14\uc774\ub4dc(\ud0c4\ud654\ud06c\ub86c)\ub97c \ud615\uc131\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ubab0\ub9ac\ube0c\ub374<\/td><td>\ucd5c\ub300 0.75%<\/td><td>\uacbd\ud654\uc131 \ubc0f \ub0b4\uc2dd\uc131\uc744 \uc81c\ud55c\uc801\uc778 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\ub9dd\uac04<\/td><td>\ucd5c\ub300 1.00%<\/td><td>\uc81c\uac15 \ubc0f \uacbd\ud654\uc131\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uaddc\uc18c<\/td><td>\ucd5c\ub300 1.00%<\/td><td>\uc0b0\ud654 \ubc29\uc9c0 \ubc0f \uac15\ub3c4 \ud5a5\uc0c1\uc5d0 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc778<\/td><td>\ucd5c\ub300 0.040%<\/td><td>\uc81c\uc5b4\ub41c \ubd88\uc21c\ubb3c<\/td><\/tr><tr><td>\ud669<\/td><td>\ucd5c\ub300 0.030%<\/td><td>\uc81c\uc5b4\ub41c \ubd88\uc21c\ubb3c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ub192\uc740 \ud0c4\uc18c \ubc0f \ud06c\ub86c \ud568\ub7c9\uc73c\ub85c \uc778\ud574 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uae30\uc9c0 \ub0b4\uc5d0 \ub2e8\ub2e8\ud55c \ud06c\ub86c \ud568\uc720 \ud0c4\ud654\ubb3c\uc774 \ud615\uc131\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131\uc73c\ub85c \uc778\ud574 440C\ub294 \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uc744 \uac16\uc9c0\ub9cc \ucda9\uaca9, \uad7d\ud798 \ub610\ub294 \ubc18\ubcf5\uc801\uc778 \uc751\ub825\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-strengths-of-440c-steel\" class=\"wp-block-heading\">440C \uac15\ucca0\uc758 \uc7a5\uc810<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \ub192\uc740 \uacbd\ub3c4\uc640 \uc77c\ubc18 \uacf5\uad6c\uac15\ubcf4\ub2e4 \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131\uc744 \uacb0\ud569\ud55c \uc18c\uc7ac\uc785\ub2c8\ub2e4. \uacf5\uad6c\uac15\uc740 \ub9c8\ubaa8\uac00 \uc2ec\ud558\uc9c0\ub9cc \ub179\uc774 \uc27d\uac8c \uc2ac\uace0, \uc77c\ubc18 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \ub179\uc5d0\ub294 \uac15\ud558\uc9c0\ub9cc \ub108\ubb34 \ubb34\ub978 \uacbd\uc6b0\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub192\uc740 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5f4\ucc98\ub9ac \ud6c4, 440C\ub294 \ub0b4\ub9c8\ubaa8\uc131, \ub0b4\ub9c8\ucc30 \ub9c8\ubaa8\uc131 \ubc0f \ubaa8\uc11c\ub9ac \ubcc0\ud615 \ubc29\uc9c0 \uae30\ub2a5\uc744 \uac16\ucd94\uc5b4 \ubca0\uc5b4\ub9c1 \ubcfc, \ub808\uc774\uc2a4, \ubc38\ube0c \uc2dc\ud2b8, \ubd80\uc2f1 \ubc0f \uc808\uc0ad \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc801\ub2f9\ud55c \ub0b4\uc2dd\uc131.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \uc77c\ubc18\uc801\uc778 \ud658\uacbd, \uc77c\ubd80 \uc0b0\uc5c5 \ud604\uc7a5, \uadf8\ub9ac\uace0 \uc11d\uc720\ub098 \uc720\uae30\ubb3c\uc9c8\uacfc \uc811\ucd09\ud558\ub294 \ud658\uacbd\uc5d0\uc11c \ub9ce\uc740 \uacf5\uad6c\uac15\ubcf4\ub2e4 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. \ub0b4\uc2dd\uc131 \uba74\uc5d0\uc11c\ub294 304\ub098 316\uc5d0\ub294 \ubbf8\uce58\uc9c0 \ubabb\ud558\uc9c0\ub9cc, \ub0b4\uc2dd\uc131\uacfc \uacbd\ub3c4\uc758 \uade0\ud615\uc744 \uc798 \ub9de\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ub0a0\uce74\ub85c\uc6b4 \uc808\uc0ad\ub825\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \ub192\uc740 \uacbd\ub3c4\uc640 \ud0c4\ud654\ubb3c \ub355\ubd84\uc5d0 \uce7c\ub0a0\uacfc \uc808\uc0ad \uacf5\uad6c\uc758 \ub0a0\uce74\ub85c\uc6b4 \ubaa8\uc11c\ub9ac\ub97c \uc624\ub7ab\ub3d9\uc548 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc555\ucd95 \uac15\ub3c4\uac00 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ud654 \ucc98\ub9ac\ub41c 440C \uac15\uc7ac\ub294 \ucda9\uaca9\uc774 \uc81c\ud55c\uc801\uc77c \uacbd\uc6b0 \ud558\uc911\uc744 \ubc1b\ub294 \uc811\ucd09\uba74\uc744 \uc798 \uc9c0\uc9c0\ud569\ub2c8\ub2e4. \uc18c\ud615 \ubca0\uc5b4\ub9c1 \uc694\uc18c, \ubc38\ube0c \ubd80\ud488 \ubc0f \uc815\ubc00 \ub9c8\ubaa8 \ubd80\ud488\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-limitations-of-440c-steel\" class=\"wp-block-heading\">440C \uac15\ucca0\uc758 \ud55c\uacc4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \uc778\uc131\uc774 \ubd80\uc871\ud569\ub2c8\ub2e4. \ub192\uc740 \ud0c4\uc18c \ud568\ub7c9\uacfc \ud0c4\ud654\ubb3c \uad6c\uc870\ub85c \uc778\ud574 \ucda9\uaca9, \uac11\uc791\uc2a4\ub7ec\uc6b4 \ud558\uc911 \ubc0f \uad7d\ud798 \ud558\uc911\uc744 \ud761\uc218\ud558\ub294 \ub2a5\ub825\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc2ec\ud55c \ucda9\uaca9\uc774 \uac00\ud574\uc9c0\ub294 \ud658\uacbd\uc774\ub098 \uc778\uc131\uc774 \uc694\uad6c\ub418\ub294 \uc0c1\ud669\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ud654\ub41c \uc0c1\ud0dc\uc758 440C\ub294 \ud2b9\ud788 \ubaa8\uc11c\ub9ac\uac00 \ub0a0\uce74\ub86d\uac70\ub098, \uc778\uc7a5 \uc751\ub825\uc774 \uc2ec\ud558\uac70\ub098, \uc5f4\ucc98\ub9ac\uac00 \ubd88\ub7c9\ud558\uac70\ub098, \ubc18\ubcf5\uc801\uc778 \ucda9\uaca9\uc744 \ubc1b\ub294 \uacbd\uc6b0 \uade0\uc5f4\uc774\ub098 \ud30c\uc190\uc774 \ubc1c\uc0dd\ud558\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \ub610\ud55c, \ub354 \uae68\ub057\ud55c \ubca0\uc5b4\ub9c1 \uac15\uc5d0 \ube44\ud574 \ud53c\ub85c \uc800\ud56d\uc131\uc774 \ub0ae\uc2b5\ub2c8\ub2e4. 440C\uc5d0 \ud568\uc720\ub41c \uc870\ub300\ud55c \ud0c4\ud654\ubb3c\uc740 \uad6c\ub984 \uc811\ucd09 \uc751\ub825 \ud558\uc5d0\uc11c \uade0\uc5f4\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \ubc18\ubcf5\uc801\uc778 \ud558\uc911\uc744 \ub9ce\uc774 \ubc1b\ub294 \uc6a9\ub3c4\uc5d0\ub294 \uc0ac\uc6a9\uc774 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ud654 \uc804 \uc5b4\ub2d0\ub9c1 \uc0c1\ud0dc\uc5d0\uc11c 440C\ub85c \uac00\uacf5\ud569\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac \ud6c4, \uacfc\uc5f4\ub85c \uc778\ud55c \ud45c\uba74 \uc190\uc0c1 \ubc0f \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc81c\uc5b4\ub41c \uc5f0\uc0ad \ubc0f \ub9c8\ubb34\ub9ac \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc6a9\uc811\uc744 \uad8c\uc7a5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uace0\ud0c4\uc18c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uad6c\uc870\ub85c \uc778\ud574 \uc5f4\uc601\ud5a5\ubd80\uc5d0 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uc5ec \uad6c\uc870\uc801 \uacb0\ud568\uc73c\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc6a9\uc811\uc774 \ubd88\uac00\ud53c\ud55c \uacbd\uc6b0, \uc774\ub7ec\ud55c \uc6a9\uc811 \uad00\ub828 \uc81c\uc57d\uc744 \ud53c\ud558\uae30 \uc704\ud574 \ub2e4\ub978 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub4f1\uae09\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \ub0b4\uc2dd\uc131 \ubc0f \ub0b4\uc5f4\uc131 \uce21\uba74\uc5d0\uc11c \uba85\ud655\ud55c \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc57d\ud55c \ubd80\uc2dd\uc5d0\ub9cc \uc800\ud56d\ud558\uba70 \uac15\uc0b0, \uc5fc\ud654\ubb3c, \ud574\uc591 \ud658\uacbd \ub610\ub294 \ubd80\uc2dd\uc131 \ud654\ud559 \ubb3c\uc9c8\uc5d0 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uace0\uc628\uc5d0\uc11c\ub294 \uacbd\ub3c4, \uac15\ub3c4 \ubc0f \ub0b4\uc2dd\uc131\uc774 \uc800\ud558\ub418\ubbc0\ub85c \uace0\uc628 \uc791\uc5c5\uc774\ub098 \uc5f4\ucc98\ub9ac \ud658\uacbd\uc5d0\ub294 \uad8c\uc7a5\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-best-industrial-uses-of-440c-steel\" class=\"wp-block-heading\">440C \uac15\ucca0\uc758 \uc8fc\uc694 \uc0b0\uc5c5\uc801 \uc6a9\ub3c4<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \uc81c\uc5b4\ub41c \uc791\uc5c5 \uc870\uac74, \ud2b9\ud788 \ub9c8\ubaa8\uac00 \uc8fc\ub41c \ubb38\uc81c\uc774\uace0 \ucda9\uaca9\uc774 \uc81c\ud55c\uc801\uc778 \ud658\uacbd\uc5d0\uc11c \ub2e8\ub2e8\ud558\uace0 \uc2a4\ud14c\uc778\ub9ac\uc2a4\ud55c \ud45c\uba74\uc774 \ud544\uc694\ud55c \uc0b0\uc5c5 \ubd80\ud488\uc5d0 \uac00\uc7a5 \uc801\ud569\ud569\ub2c8\ub2e4. \uc8fc\uc694 \uc6a9\ub3c4\ub85c\ub294 \ubca0\uc5b4\ub9c1, \uc808\uc0ad \uacf5\uad6c, \ubc38\ube0c \ubd80\ud488, \ubd80\uc2f1 \ubc0f \uc815\ubc00 \ubd80\ud488 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong><\/td><td><strong>440C\uac00 \ud6a8\uacfc\uc801\uc778 \uc774\uc720<\/strong><\/td><td><strong>\uc120\ud0dd \ucc38\uace0 \uc0ac\ud56d<\/strong><\/td><\/tr><tr><td>\ubca0\uc5b4\ub9c1 \ubcfc \ubc0f \ub808\uc774\uc2a4<\/td><td>\ub192\uc740 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131<\/td><td>\ubd80\uc2dd \uc704\ud5d8\uc774 \uc788\ub294 \uacf3\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub418, \ud53c\ub85c \uc694\uad6c \uc0ac\ud56d\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>\ubc38\ube0c \uc2dc\ud2b8 \ubc0f \ubc38\ube0c \ubd80\ud488<\/td><td>\uc811\ucd09 \ub9c8\ubaa8 \ubc0f \uac00\ubcbc\uc6b4 \uc561\uccb4 \ub178\ucd9c\uc5d0 \uac15\ud568<\/td><td>\uac15\uc0b0, \uc5fc\ud654\ubb3c \ubc0f \uc2ec\uac01\ud55c \ubd80\uc2dd\uc744 \ud53c\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>\ud38c\ud504 \uad6c\uc131 \uc694\uc18c<\/td><td>\ud2b9\uc815 \uc720\uccb4 \ucc98\ub9ac \uc2dc\uc2a4\ud15c\uc758 \ub9c8\ubaa8\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/td><td>\uc120\ud0dd\ud558\uae30 \uc804\uc5d0 \uc791\uc5c5 \ub9e4\uccb4\ub97c \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>\ubd80\uc2f1 \ubc0f \ub9c8\ubaa8 \ubd80\ud488<\/td><td>\ub2e8\ub2e8\ud55c \ud45c\uba74\uc740 \ub9c8\ucc30 \ub9c8\ubaa8\uc5d0 \uac15\ud569\ub2c8\ub2e4.<\/td><td>\ucda9\uaca9 \ubd80\ud558\ub97c \ub0ae\uac8c \uc720\uc9c0\ud558\uc138\uc694<\/td><\/tr><tr><td>\uc815\ubc00 \uae30\uacc4 \ubd80\ud488<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uacfc \uce58\uc218 \uc548\uc815\uc131\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/td><td>\uc5f4\ucc98\ub9ac \uc81c\uc5b4\ub294 \uc911\uc694\ud569\ub2c8\ub2e4<\/td><\/tr><tr><td>\uc0b0\uc5c5\uc6a9 \uce7c\ub0a0 \ubc0f \uc808\uc0ad \ubd80\ud488<\/td><td>\uc808\uc0ad \ubc0f \uc2ac\ub77c\uc774\ub529 \ub9c8\ubaa8 \uc2dc\uc5d0\ub3c4 \ub0a0\uce74\ub85c\uc6c0\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/td><td>\uac15\ud55c \ucda9\uaca9\uc774 \uac00\ud574\uc9c0\ub294 \uc808\ub2e8 \uc791\uc5c5\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uae08\ud615 \uc0bd\uc785\ubb3c<\/td><td>\ub0b4\ub9c8\ubaa8\uc131\uc774 \ub6f0\uc5b4\ub09c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uae08\ud615 \ubd80\ud488\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/td><td>H13 \ub610\ub294 \uae30\ud0c0 \uace0\uc628 \uc791\uc5c5\uc6a9 \uac15\uc7ac\ub97c \ub300\uccb4\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ubca0\uc5b4\ub9c1\uc5d0\uc11c 440C\ub294 \uc77c\ubc18 \uc7ac\ub8cc\uac00 \uc2b5\uae30\ub098 \uacbd\ubbf8\ud55c \ubd80\uc2dd\uc5d0 \ub178\ucd9c\ub420 \ub54c \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \ubc38\ube0c \ubc0f \ud38c\ud504 \ubd80\ud488\uc5d0\uc11c\ub294 \uc811\ucd09 \ub9c8\ubaa8\uc640 \uacbd\ubbf8\ud55c \ubd80\uc2dd\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \uae08\ud615 \uc778\uc11c\ud2b8 \ubc0f \uacf5\uad6c\uc5d0\uc11c\ub294 \uacbd\ub3c4, \uc5f0\ub9c8\uc131 \ubc0f \uc2a4\ud14c\uc778\ub9ac\uc2a4 \ud2b9\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-how-440c-compares-to-other-tool-steels\" class=\"wp-block-heading\">440C\ub294 \ub2e4\ub978 \uacf5\uad6c\uac15\uacfc \uc5b4\ub5bb\uac8c \ube44\uad50\ub420\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">440C\ub294 \uc791\uc5c5 \uc870\uac74\uc5d0 \ub530\ub77c \ube44\uad50\ud574\uc57c \ud569\ub2c8\ub2e4. D2, S7, H13, 304 \ub610\ub294 316\ubcf4\ub2e4 \ub2e8\uc21c\ud788 &quot;\ub354 \uc88b\ub2e4&quot;\uac70\ub098 &quot;\ub354 \ub098\uc058\ub2e4&quot;\ub77c\uace0 \ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uac01 \uac15\uc7ac\ub294 \uc11c\ub85c \ub2e4\ub978 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\uac15\ucca0<\/strong><\/td><td><strong>440C \ub300\ube44 \uc8fc\uc694 \uc7a5\uc810<\/strong><\/td><td><strong>440C\uc758 \uc8fc\uc694 \uc7a5\uc810<\/strong><\/td><td><strong>\uc77c\ubc18\uc801\uc778 \uc120\ud0dd<\/strong><\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">\ub5142<\/a><\/td><td>\uac74\uc2dd \ub0c9\uac04 \uac00\uacf5 \uae08\ud615 \ubc0f \ub9c8\ubaa8\uac00 \uc2ec\ud55c \uacf5\uad6c\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td><td>\ub0b4\uc2dd\uc131\uc774 \ub354\uc6b1 \uc6b0\uc218\ud568<\/td><td>\ub0c9\uac04 \uac00\uacf5 \uae08\ud615\uc5d0\ub294 D2, \ub9c8\ubaa8 \ubc0f \uacbd\ubbf8\ud55c \ubd80\uc2dd\uc5d0\ub294 440C\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/ko\/s7-tool-steel\/\">S7<\/a><\/td><td>\ucda9\uaca9 \uc800\ud56d\uc131\uc774 \ud6e8\uc52c \ub354 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/td><td>\ub354 \ub192\uc740 \uacbd\ub3c4\uc640 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uc131<\/td><td>\ucda9\uaca9\uc5d0\ub294 S7, \uc800\ucda9\uaca9 \ub9c8\ubaa8\uc5d0\ub294 440C\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td><a href=\"https:\/\/aobosteel.com\/ko\/h13-tool-steel\/\">H13<\/a><\/td><td>\uace0\uc628 \uac15\ub3c4 \ubc0f \uc5f4\ud53c\ub85c \uc800\ud56d\uc131\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td><td>\uc0c1\uc628 \uacbd\ub3c4\uac00 \ub354 \ub192\uc74c<\/td><td>\uace0\uc628 \uc791\uc5c5\uc5d0\ub294 H13, \uc0c1\uc628 \ub9c8\ubaa8 \ubd80\ud488\uc5d0\ub294 440\u00b0C\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/td><\/tr><tr><td>304 \uc2a4\ud14c\uc778\ub9ac\uc2a4<\/td><td>\ub0b4\uc2dd\uc131\uacfc \uc131\ud615\uc131\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td><td>\ud6e8\uc52c \ub354 \ub192\uc740 \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131<\/td><td>304\ub294 \uc131\ud615 \ubc0f \ubd80\uc2dd \ubc29\uc9c0\uc6a9\uc774\uace0, 440C\ub294 \uacbd\ud654 \ub9c8\ubaa8 \ubd80\ud488\uc6a9\uc785\ub2c8\ub2e4.<\/td><\/tr><tr><td>316 \uc2a4\ud14c\uc778\ub9ac\uc2a4<\/td><td>\uc5fc\ud654\ubb3c \ubc0f \ud654\ud559 \ubd80\uc2dd\uc5d0 \ub300\ud55c \uc800\ud56d\uc131\uc774 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/td><td>\ud6e8\uc52c \ub192\uc740 \uacbd\ub3c4\uc640 \ub0a0 \uc720\uc9c0\ub825<\/td><td>316\uc740 \uc2ec\uac01\ud55c \ubd80\uc2dd\uc5d0, 440\u00b0C\ub294 \ub9c8\ubaa8 \ubc0f \uc911\uac04 \uc815\ub3c4\uc758 \ubd80\uc2dd\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-yoast-seo-related-links yoast-seo-related-links\">\n<li><a href=\"https:\/\/aobosteel.com\/ko\/440c-stainless-steel\/\">440C \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15(1.4125 \/ SUS440C) \uacf5\uae09\uc5c5\uccb4 | \uc6d0\ud615 \ubd09 \ubc0f \ud310\uc7ac \ub300\ub7c9 \uacf5\uae09<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/52100-bearing-steel\/\">52100 \ubca0\uc5b4\ub9c1\uac15 | 1.3505 | 100Cr6<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/420-stainless-steel\/\">420 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 | 1.2083 | 2Cr13<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/d2-steel-vs-440c\/\">D2\uac15\uacfc 440C\uac15: \uacf5\uad6c, \uce7c, \ubca0\uc5b4\ub9c1 \uc644\ubcbd \ube44\uad50 \uac00\uc774\ub4dc<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-electroslag-remelting-esr\/\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Is 440C Steel Good? Strengths, Limits, and Best Uses 440C steel is good when a part needs high hardness, wear resistance, and moderate corrosion resistance under low-impact working conditions. It is a high-carbon martensitic stainless steel, so it behaves differently from common stainless grades such as 304 and 316. After heat treatment, 440C achieves a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15740,"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-15739","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>Is 440C Steel Good? Hardness, Wear Resistance &amp; Industrial Use - AoboSteel<\/title>\n<meta name=\"description\" content=\"Explore 440C stainless steel for industrial applications. Learn about its hardness, wear resistance, limitations, and best uses for bearings, valves, molds, and precision wear parts.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aobosteel.com\/ko\/blog\/is-440c-steel-good\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is 440C Steel Good? Hardness, Wear Resistance &amp; Industrial Use\" \/>\n<meta property=\"og:description\" content=\"Explore 440C stainless steel for industrial applications. Learn about its hardness, wear resistance, limitations, and best uses for bearings, valves, molds, and precision wear parts.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/blog\/is-440c-steel-good\/\" \/>\n<meta property=\"og:site_name\" content=\"AoboSteel\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/profile.php?id=61565368220197\" \/>\n<meta property=\"article:published_time\" content=\"2026-05-31T14:33:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-13T13:35:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/05\/Is-440C-Steel-Good.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"1254\" \/>\n\t<meta property=\"og:image:height\" content=\"1254\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Evan\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@AobosteelEvan\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"Evan\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/blog\\\/is-440c-steel-good\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/blog\\\/is-440c-steel-good\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"Is 440C Steel Good? 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