{"id":17142,"date":"2026-07-30T10:05:15","date_gmt":"2026-07-30T02:05:15","guid":{"rendered":"https:\/\/aobosteel.com\/?p=17142"},"modified":"2026-07-30T11:32:11","modified_gmt":"2026-07-30T03:32:11","slug":"verify-esr-h13-steel","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/verify-esr-h13-steel\/","title":{"rendered":"H13\uac15\uc774 \uc2e4\uc81c\ub85c ESR\uc778\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<h1 id=\"h-how-to-tell-if-your-h13-steel-is-really-esr\" class=\"wp-block-heading\">H13 \uac15\ucca0\uc774 \uc2e4\uc81c\ub85c ESR\uc778\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\ube0c\ub77c\uc9c8\uc5d0\uc11c \uc54c\ub8e8\ubbf8\ub284 \uc555\ucd9c \uacf5\uc7a5\uc744 \uc6b4\uc601\ud558\ub294 \ud55c \uace0\uac1d\uc774 \ucd5c\uadfc \uad6c\ub9e4\uc790\ub4e4\uc774 \uc0dd\uac01\ud558\ub294 \uac83\ubcf4\ub2e4 \ud6e8\uc52c \uc790\uc8fc \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc5d0 \uc9c1\uba74\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\uc2dc\ub41c \uc81c\ud488\uc744 \uad6c\ub9e4\ud588\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/esr-tool-steel\/\">ESR H13 \uacf5\uad6c\uac15<\/a> \uadf8\ub294 \ud55c \uacf5\uae09\uc5c5\uccb4\ub85c\ubd80\ud130 \ud574\ub2f9 \uac15\uc7ac\ub97c \uad6c\uc785\ud558\uc5ec \uc0dd\uc0b0\uc5d0 \ud22c\uc785\ud574 \ubcf8 \uacb0\uacfc, \uae08\ud615\uc758 \uc131\ub2a5\uc774 \uc77c\ubc18\uc801\uc778 \ube44ESR H13 \uac15\uc7ac\uc640 \uac70\uc758 \ub3d9\uc77c\ud558\ub2e4\ub294 \uac83\uc744 \ubc1c\uacac\ud588\uc2b5\ub2c8\ub2e4. \uc218\uba85, \ub0b4\ub9c8\ubaa8\uc131, \uc778\uc131 \ubaa8\ub450 \uae30\uc874 \uc7ac\ub8cc\uc5d0\uc11c \ubcf4\uc558\ub358 \uac83\uacfc \ube44\uc2b7\ud55c \ubc94\uc704\uc5d0 \uc18d\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub294 \ud574\ub2f9 \uac15\uc7ac\uac00 \uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735 \uacf5\uc815\uc744 \uac70\uce58\uc9c0 \uc54a\uc558\uc744 \uac00\ub2a5\uc131\uc774 \ud06c\ub2e4\uace0 \uc758\uc2ec\ud588\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774\ub97c \uc99d\uba85\ud560 \ubc29\ubc95\uc774 \uc5c6\uc5c8\uace0, \uacf5\uae09\uc5c5\uccb4\ub294 \ud655\uc2e4\ud55c \uc99d\uac70 \uc5c6\uc774\ub294 \uc7ac\ub8cc \ud45c\uae30 \uc624\ub958\ub97c \uc778\uc815\ud558\ub294 \uacbd\uc6b0\uac00 \ub4dc\ubb3c\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc0c1\ud669\uc740 \uacf5\uad6c\uac15 \uc5c5\uacc4\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. ESR(\ub4f1\uac00 \uc0b0\ud654 \ubc29\uc9c0) \ucc98\ub9ac\ub294 \uc0dd\uc0b0 \ube44\uc6a9\uc744 \uc2e4\uc9c8\uc801\uc73c\ub85c \uc99d\uac00\uc2dc\ud0a4\uae30 \ub54c\ubb38\uc5d0, \uad6c\ub9e4\uc790\ub4e4\uc774 \uc9c1\uc811 \uac80\uc99d\ud560 \uc218 \uc5c6\ub294 \uacbd\uc6b0 \uc77c\ubc18 \uac15\ucca0\uc5d0 ESR\uc774\ub77c\ub294 \ub77c\ubca8\uc744 \ubd99\uc5ec \ud310\ub9e4\ud558\ub824\ub294 \uc720\ud639\uc774 \uac15\ud569\ub2c8\ub2e4. \ub2e4\ud589\ud788 ESR \ucc98\ub9ac\ub294 \uac15\ucca0\uc5d0 \ubb3c\ub9ac\uc801 \ud754\uc801\uc744 \ub0a8\uae30\uae30 \ub54c\ubb38\uc5d0 \uc704\uc870\uac00 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4. \uc5b4\ub5a4 \uc810\uc744 \ud655\uc778\ud574\uc57c \ud558\ub294\uc9c0 \uc54c\uac8c \ub418\uba74, \uc9c4\ud488 ESR H13\uacfc \uc77c\ubc18 H13\uc744 \uad6c\ubcc4\ud558\ub294 \uac83\uc740 \uc2e0\ub8b0\uc5d0 \uc758\uc874\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ud14c\uc2a4\ud2b8\ub97c \ud1b5\ud574 \uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-why-esr-should-perform-differently-in-the-first-place\" class=\"wp-block-heading\">ESR\uc774 \uc560\ucd08\uc5d0 \ub2e4\ub978 \ubc29\uc2dd\uc73c\ub85c \uc791\ub3d9\ud574\uc57c \ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc740 2\ucc28 \uc815\ub828 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc18c\ubaa8\uc131 \uc804\uadf9\uc774 \ubc18\uc751\uc131 \uc561\uccb4 \uc2ac\ub798\uadf8\ub97c \ud1b5\uacfc\ud558\uba70 \ub179\uace0, \uc0dd\uc131\ub41c \uac15\uc7ac\ub294 \uc8fc\ud615 \ubc14\ub2e5\uc5d0\uc11c\ubd80\ud130 \uc704\ucabd\uc73c\ub85c \uc810\uc9c4\uc801\uc73c\ub85c \uc751\uace0\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc29\ud5a5\uc131 \uc751\uace0 \ub355\ubd84\uc5d0 ESR \uac15\uc740 \uae30\uc874\uc758 \uacf5\uae30 \uc6a9\ud574\ub85c \ub610\ub294 \uc804\uae30\ub85c \uc81c\ub828 \uac15\uc5d0 \ube44\ud574 \uc5ec\ub7ec \uc7a5\uc810\uc744 \uac16\uc2b5\ub2c8\ub2e4. ESR\ub85c \ud45c\uc2dc\ub41c H13 \uac15\uc7ac\uac00 \uc77c\ubc18 H13 \uac15\uc7ac\uc5d0 \ube44\ud574 \uae08\ud615 \uc218\uba85\uc774\ub098 \uc778\uc131 \uba74\uc5d0\uc11c \uac1c\uc120\ub418\uc9c0 \uc54a\ub294\ub2e4\uba74, \uac00\uc7a5 \uac00\ub2a5\uc131\uc774 \ub192\uc740 \uc6d0\uc778\uc740 \ud574\ub2f9 \uac15\uc7ac\uac00 ESR \uacf5\uc815\uc744 \uac70\uce58\uc9c0 \uc54a\uc558\uac70\ub098, \uae30\ub300\ud588\ub358 \uc815\ub828 \ud6a8\uacfc\ub97c \ub0b4\uc9c0 \ubabb\ud558\ub294 \uc800\ud488\uc9c8\uc758 ESR \uacf5\uc815\uc744 \uac70\ucce4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-to-check-in-the-macrostructure\" class=\"wp-block-heading\">\uac70\uc2dc \uad6c\uc870\uc5d0\uc11c \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc9c4\uc815\ud55c ESR \uc789\uacf3\uc740 \uae30\uc874 \uc789\uacf3\uc5d0\uc11c \ud754\ud788 \ub098\ud0c0\ub098\ub294 \uc911\uc2ec\ubd80 \uc218\ucd95 \uacf5\ub3d9\uacfc \uae30\uacf5 \uc5c6\uc774 \uc751\uace0\ub429\ub2c8\ub2e4. \ub2e8\uba74\uc744 \uace0\uc628 \uc0b0\uc131 \uc6a9\uc561\uc73c\ub85c \uae4a\uac8c \uc5d0\uce6d\ud558\ub294 \uc2dc\ud5d8\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \ucc28\uc774\ub97c \uba85\ud655\ud788 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uc874 \ub2e8\uc77c \uc6a9\uc735\uac15\uc740 \uc774 \uc2dc\ud5d8\uc5d0\uc11c \uc911\uc2ec\ubd80 \uac1c\uc7ac\ubb3c, \uccb4\ud06c \ub9c8\ud06c, \uae30\uacf5\uc774 \ub098\ud0c0\ub098\ub294 \ubc18\uba74, \uc9c4\uc815\ud55c ESR \uc18c\uc7ac\ub294 \uc774\ub7ec\ud55c \uacb0\ud568\uc774 \uc5c6\ub294 \uc870\ubc00\ud558\uace0 \uade0\uc77c\ud55c \ud45c\uba74\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub610\ud55c ESR \uac15\uc740 \uae30\uc874 \uc789\uacf3\uc5d0\uc11c \ub098\ud0c0\ub098\ub294 \uac70\uc2dc\uc801 \ud3b8\uc11d \ud604\uc0c1\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \uae30\uc874 \uc789\uacf3\uc5d0\uc11c\ub294 \ud0c4\uc18c \ubc0f \ud569\uae08 \ud568\ub7c9\uc774 \ub2e8\uba74 \uc911\uc2ec\ubd80\uc5d0\uc11c \uac00\uc7a5\uc790\ub9ac\uae4c\uc9c0 \ub208\uc5d0 \ub744\uac8c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c4\uc815\ud55c ESR H13\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uc885\ub958\uc758 \ud3b8\uc11d\uc774 \uac70\uc758 \ub098\ud0c0\ub098\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"886\" height=\"665\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154716-1.png\" alt=\"\" class=\"wp-image-16755\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154716-1.png 886w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154716-1-300x225.png 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154716-1-768x576.png 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154716-1-16x12.png 16w\" sizes=\"auto, (max-width: 886px) 100vw, 886px\" \/><figcaption class=\"wp-element-caption\"><em>\uace0\uc628 \uc0b0 \uc5d0\uce6d \ucc98\ub9ac\ub41c \uc77c\ubc18\uc801\uc778 \ub2e8\uc77c \uc6a9\uc735 \uacf5\uad6c\uac15\uc785\ub2c8\ub2e4. \uc911\uc2ec\ubd80\uc758 \uac1c\uc7ac\ubb3c\uacfc \uae30\uacf5\uc774 \uad00\ucc30\ub429\ub2c8\ub2e4.<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"886\" height=\"668\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154726.png\" alt=\"\" class=\"wp-image-16753\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154726.png 886w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154726-300x226.png 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154726-768x579.png 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5c4f\u5e55\u622a\u56fe-2026-07-19-154726-16x12.png 16w\" sizes=\"auto, (max-width: 886px) 100vw, 886px\" \/><figcaption class=\"wp-element-caption\"><em>\uace0\uc628 \uc0b0 \uc5d0\uce6d \ud6c4 ESR \uc7ac\uc6a9\uc735 \ucc98\ub9ac\ub41c \uacf5\uad6c\uac15. \uc911\uc2ec\uc120 \uac1c\uc7ac\ubb3c \ubc0f \uae30\uacf5\uc774 \uc5c6\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/em>.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 id=\"h-what-to-check-in-the-microstructure\" class=\"wp-block-heading\">\ubbf8\uc138\uad6c\uc870\uc5d0\uc11c \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESR\uc740 \ub354 \ube60\ub974\uace0 \uade0\uc77c\ud55c \uc751\uace0 \uacfc\uc815\uc744 \ud1b5\ud574 \ubbf8\uc138\ud55c \uacb0\uc815\ub9bd \uad6c\uc870\uc640 \ub354 \uc870\ubc00\ud55c \uc774\ucc28 \uc218\uc9c0\uc0c1 \uac00\uc9c0 \uac04\uaca9\uc744 \ub9cc\ub4e4\uc5b4\ub0c5\ub2c8\ub2e4. \ud2b9\ud788 H13\uc758 \uacbd\uc6b0, \uc77c\ubc18\uc801\uc778 \uc8fc\uad34 \uc911\uc2ec\ubd80\uc758 \uc218\uc9c0\uc0c1 \uac00\uc9c0 \uac04\uaca9\uc740 \ubcf4\ud1b5 700~800\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ubc94\uc704\uc785\ub2c8\ub2e4. \ubc18\uba74, \uc801\uc808\ud558\uac8c \ucc98\ub9ac\ub41c ESR \uc8fc\uad34\ub294 \uc774 \uac04\uaca9\uc744 450~500\ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ubc94\uc704\ub85c \uc904\uc785\ub2c8\ub2e4. \uc815\ud655\ud55c \uc218\uce58\ub294 \uc8fc\uad34 \uc9c1\uacbd\uacfc \uc0d8\ud50c\ub9c1 \uc704\uce58\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ubbc0\ub85c, \uc774 \uc218\uce58\ub294 \uace0\uc815\ub41c \ud569\uaca9\/\ubd88\ud569\uaca9 \uae30\uc900\uc120\uc774\ub77c\uae30\ubcf4\ub2e4\ub294 \uc720\uc6a9\ud55c \ucc38\uace0 \ubc94\uc704\ub85c \uac04\uc8fc\ud574\uc57c \ud569\ub2c8\ub2e4. \ud0c4\ud654\ubb3c \ubc34\ub529 \ub610\ud55c \uc911\uc694\ud55c \uc9c0\ud45c\uc785\ub2c8\ub2e4. ESR \uac15\uc740 \ud0c4\ud654\ubb3c \ubc34\ub529\uc774 \ud6e8\uc52c \uc801\uace0, \uacf5\uc815 \ud0c4\ud654\ubb3c\uc774 \ub354 \uc791\uace0 \uace0\ub974\uac8c \ubd84\ud3ec\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ucc98\ub7fc \ubbf8\uc138\ud558\uace0 \uade0\uc77c\ud55c \ud0c4\ud654\ubb3c \uad6c\uc870\ub294 ESR H13\uc774 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc774\ub294 \uc8fc\uc694 \uc6d0\uc778\uc785\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/h13-steel-heat-treatment\/\">\uc5f4\ucc98\ub9ac<\/a> \ub610\ud55c \uc555\ucd9c \ub2e4\uc774\uc5d0\uc11c \ubc18\ubcf5\uc801\uc778 \uc5f4 \uc21c\ud658\uc5d0\ub3c4 \ub354 \uc798 \uacac\ub525\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-to-check-in-cleanliness\" class=\"wp-block-heading\">\uccad\uacb0\ub3c4 \uc810\uac80 \uc2dc \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESR \uc2ac\ub798\uadf8\ub294 \uc7ac\uc6a9\uc735 \uacfc\uc815\uc5d0\uc11c \uc6a9\uc735 \uae08\uc18d \ubc29\uc6b8\uc774 \ud1b5\uacfc\ud560 \ub54c \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c, \uaddc\uc0b0\uc5fc \ubc0f \ud669\ud654\ubb3c\uc744 \uac78\ub7ec\ub0c5\ub2c8\ub2e4. ASTM E-45\uc5d0 \ub530\ub978 \ud604\ubbf8\uacbd \uccad\uc815\ub3c4 \ub4f1\uae09\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub450\uaebc\uc6b4 \ud669\ud654\ubb3c \ubc0f \uaddc\uc0b0\uc5fc \uac1c\uc7ac\ubb3c\ub85c \uc778\ud574 \ud45c\uc900 \uc804\uae30\ub85c\uac15\uc758 \uacbd\uc6b0 2.0~2.5 \ubc94\uc704\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \ubc18\uba74, \uc9c4\uc815\ud55c ESR\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 1.0 \uc774\ud558\uc758 \ub4f1\uae09\uc744 \ubc1b\uc73c\uba70, \ub450\uaebc\uc6b4 \uac1c\uc7ac\ubb3c\uc774 \uc804\ud600 \ub098\ud0c0\ub098\uc9c0 \uc54a\ub294 \uacbd\uc6b0\ub3c4 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubc94\uc704\ub294 \uc804\uadf9\uc758 \ucd08\uae30 \uccad\uc815\ub3c4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. ESR \uc804\uc5d0 \ub808\uc774\ub4e4\ub85c \uc815\ub828\uc774\ub098 \uc9c4\uacf5 \ud0c8\uae30 \ub4f1\uc758 2\ucc28 \uc815\ub828\uc774 \uc801\uc6a9\ub418\uc5c8\ub294\uc9c0 \uc5ec\ubd80\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\ubbc0\ub85c, \uace0\uc815\ub41c \uc784\uacc4\uac12\uc774 \uc544\ub2c8\ub77c \uc77c\ubc18\uc801\uc778 \ubc94\uc704\ub85c \ud574\uc11d\ud574\uc57c \ud569\ub2c8\ub2e4. \ud669 \ud568\ub7c9\ub3c4 \ube44\uc2b7\ud55c \uc591\uc0c1\uc744 \ubcf4\uc785\ub2c8\ub2e4. ESR\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ucd08\uae30 \uc7ac\ub8cc \ub300\ube44 \ud669 \ud568\ub7c9\uc744 50~70% \uac10\uc18c\uc2dc\ud0a4\uba70, \uc2ac\ub798\uadf8 \ud654\ud559 \uc870\uc131\uc744 \uc798 \uc81c\uc5b4\ud558\uba74 0.002%\uae4c\uc9c0 \ub0ae\ucd9c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc815\ud655\ud55c \uac10\uc18c\uc728\uc740 \uc804\uadf9\uc758 \ud669 \ud568\ub7c9\uacfc \uc2ac\ub798\uadf8 \uc124\uacc4\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc778 H13\uacfc \uc77c\uce58\ud558\ub294 \ud669 \ud568\ub7c9\uc744 \ubcf4\uc5ec\uc8fc\ub294 \uacf5\uc7a5 \uc778\uc99d\uc11c\ub294 ESR \uc8fc\uc7a5\uc774 \ud0c0\ub2f9\ud558\uc9c0 \uc54a\ub2e4\ub294 \uac15\ub825\ud55c \uc2e0\ud638\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-to-check-in-mechanical-behavior\" class=\"wp-block-heading\">\uae30\uacc4\uc801 \uac70\ub3d9\uc5d0\uc11c \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESR \uacf5\uc815\uc740 \uac70\uc2dc\uc801 \ud3b8\uc11d\uc744 \uc81c\uac70\ud558\uace0 \ub0b4\ubd80 \uad6c\uc870\ub97c \uc815\ub82c\ud558\uae30 \ub54c\ubb38\uc5d0 \uacb0\uacfc\uc801\uc73c\ub85c \uc5bb\uc5b4\uc9c0\ub294 \uac15\uc740 \uac70\uc758 \ub4f1\ubc29\uc131\uc744 \ub760\uac8c \ub429\ub2c8\ub2e4. \uc989, \uc7ac\ub8cc\uc758 \uac00\ub85c \ubc29\ud5a5 \ud2b9\uc131\uacfc \uc138\ub85c \ubc29\ud5a5 \ud2b9\uc131\uc774 \uac70\uc758 \ub3d9\uc77c\ud558\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4. \uc77c\ubc18 \uac15\uc7ac\uc758 \uacbd\uc6b0, \uac00\ub85c \ubc29\ud5a5 \uc5f0\uc131\uacfc \uc778\uc131\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc138\ub85c \ubc29\ud5a5 \uac12\uc5d0 \ube44\ud574 \ud604\uc800\ud788 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \uc81c\ub300\ub85c \uc81c\uc870\ub41c ESR H13 \uac15\uc7ac\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uac00\ub85c \ubc29\ud5a5 \uc778\uc7a5 \uac15\ub3c4 \ub300 \uc138\ub85c \ubc29\ud5a5 \uc5f0\uc2e0\uc728 \ube44\uc728\uc774 0.90 \uc774\uc0c1\uc774\uba70, \ucda9\uaca9 \uc778\uc131 \ube44\uc728\uc740 0.78\uc744 \ub118\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc815\ud655\ud55c \uc218\uce58\ub294 \ub2e8\uc870 \ube44\uc728\uacfc \uc5f4\ucc98\ub9ac \uc870\uac74\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ud53c\ub85c \uc2dc\ud5d8 \uacb0\uacfc\ub3c4 \uc774\ub97c \ub4b7\ubc1b\uce68\ud569\ub2c8\ub2e4. \uc9c4\uc815\ud55c ESR \uac15\uc7ac\ub294 \ub3d9\uc77c \ub4f1\uae09\uc758 \uacf5\uc6a9\uc735 \uac15\uc7ac\ubcf4\ub2e4 \ud30c\uc190\ub418\uae30 \uc804\uae4c\uc9c0 \ub354 \ub9ce\uc740 \uc751\ub825 \uc0ac\uc774\ud074\uc744 \uacac\ub38c\ub0b4\ub294\ub370, \uc774\ub294 \uc9c4\uc815\ud55c ESR H13 \ub2e4\uc774\uac00 \uc555\ucd9c \uacf5\uc815\uc5d0\uc11c \uc77c\ubc18 \ub2e4\uc774\ubcf4\ub2e4 \uc218\uba85\uc774 \ub354 \uae34 \uc774\uc720\ub97c \uc9c1\uc811\uc801\uc73c\ub85c \uc124\uba85\ud574 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-what-to-check-on-the-ingot-surface\" class=\"wp-block-heading\">\uc8fc\uad34 \ud45c\uba74\uc5d0\uc11c \ud655\uc778\ud574\uc57c \ud560 \uc0ac\ud56d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc870 \ub610\ub294 \uc555\uc5f0 \uc804\uc758 \uc789\uacf3\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub2e4\uba74, \ud45c\uba74 \uc0c1\ud0dc\ub294 \uac00\uc7a5 \uc27d\uac8c \ud655\uc778\ud560 \uc218 \uc788\ub294 \uac80\uc0ac \ubc29\ubc95 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. ESR(Electronic Solid Recognition)\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc218\ub0c9\uc2dd \uc8fc\ud615\uc740 \uc8fc\ud615 \ubcbd\uacfc \uc751\uace0\ub418\ub294 \uac15\ucca0 \uc0ac\uc774\uc5d0 \uc587\uc740 \uc2ac\ub798\uadf8 \uce35\uc744 \ud615\uc131\ud558\uc5ec \uc789\uacf3 \ud45c\uba74\uc744 \uae68\ub057\ud558\uace0 \ub9e4\ub044\ub7fd\uac8c \ub9cc\ub4e4\uc5b4 \uc5f4\uac04 \uac00\uacf5 \uc804\uc5d0 \uc5f0\ub9c8\ud560 \ud544\uc694\uac00 \uc5c6\uac8c \ud569\ub2c8\ub2e4. \ubc18\uba74, \uc77c\ubc18\uc801\uc778 \uc789\uacf3\uc740 \uac70\uc758 \ud56d\uc0c1 \uba3c\uc800 \ud45c\uba74 \ucc98\ub9ac\ub97c \uac70\uccd0\uc57c \ud569\ub2c8\ub2e4. ESR\ub85c \ud310\ub9e4\ub418\ub294 \uc81c\ud488\uc758 \ud45c\uba74\uc774 \uac70\uce60\uace0 \uc815\uc81c\ub418\uc9c0 \uc54a\uc558\ub2e4\uba74 \ubb38\uc81c\uac00 \uc788\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-turning-suspicion-into-evidence\" class=\"wp-block-heading\">\uc758\uc2ec\uc744 \uc99d\uac70\ub85c \ubc14\uafb8\uae30<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ubbf8 \uc81c\ud488 \ub77c\ubca8\ub9c1 \uc624\ub958\ub97c \uc758\uc2ec\ud558\ub294 \uad6c\ub9e4\uc790\ub77c\uba74, \uc2e4\uc9c8\uc801\uc778 \ud574\uacb0\ucc45\uc740 \uc5f4\uc0b0 \uc5d0\uce6d \uc0ac\uc9c4, ASTM E-45 \uccad\uc815\ub3c4 \ubcf4\uace0\uc11c, \uadf8\ub9ac\uace0 \uacf5\uc7a5 \uc778\uc99d\uc11c\uc758 \ud669 \ud568\ub7c9 \uc218\uce58\ub97c \uc694\uccad\ud558\uc5ec, \uc774 \uc218\uce58\ub4e4\uc744 \uc704\uc758 \uc608\uc0c1 ESR \ubc94\uc704\uc640 \ube44\uad50\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac80\uc0ac \ud56d\ubaa9\ub4e4\uc740 \uac01\uac01 \uc720\uc6a9\ud558\uc9c0\ub9cc, \ubaa8\ub450 \ud568\uaed8 \ud65c\uc6a9\ud558\uba74 \uae08\ud615 \uc131\ub2a5\uc5d0 \uae30\ubc18\ud55c \uc758\uc2ec\uc744 \uacf5\uae09\uc5c5\uccb4\uac00 \uc27d\uac8c \ubc18\ubc15\ud560 \uc218 \uc5c6\ub294 \ubb38\uc11c\ud654\ub41c \uc99d\uac70\ub85c \uc804\ud658\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-1024x768.jpg\" alt=\"H13 1.2344 ESR\" class=\"wp-image-17148\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-1024x768.jpg 1024w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-300x225.jpg 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-768x576.jpg 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-1536x1152.jpg 1536w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-2048x1536.jpg 2048w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/\u5fae\u4fe1\u56fe\u7247_20260728072143_122_144-16x12.jpg 16w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac83\uc774 \ubc14\ub85c ESR \uc778\uc99d \uc790\uccb4\ub9cc\ud07c\uc774\ub098 \ucd94\uc801\uc131\uc774 \uc911\uc694\ud55c \uc774\uc720\uc785\ub2c8\ub2e4. \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc740 ESR H13\uc73c\ub85c \uacf5\uae09\ud558\ub294 \ubaa8\ub4e0 \ubc30\uce58\uc5d0 \ub300\ud574 \uc0dd\uc0b0 \uc81c\ucca0\uc18c\uae4c\uc9c0 \uc644\ubcbd\ud55c \ucd94\uc801\uc131\uc744 \ubcf4\uc7a5\ud558\uba70, \ub2e8\uc21c\ud788 \ub77c\ubca8\ub9cc \ubd99\uc774\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ud669 \ud568\ub7c9 \ubc0f \uac1c\uc7ac\ubb3c \ub4f1\uae09\uc744 \ud3ec\ud568\ud55c \uc81c\ucca0\uc18c \uc2dc\ud5d8 \ubcf4\uace0\uc11c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc9c4\uc815\ud55c ESR \uc815\uc81c\ub294 \uc81c\ucca0\uc18c \ub2e8\uacc4\uc5d0\uc11c \uc2e4\uc9c8\uc801\uc778 \ube44\uc6a9\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uba70, \uc774\ub294 \uac00\uaca9\uc5d0 \ubc18\uc601\ub429\ub2c8\ub2e4. \ub2f9\uc0ac\uc758 ESR H13\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc77c\ubc18 H13\ubcf4\ub2e4 \ud1a4\ub2f9 300~350\ub2ec\ub7ec \ub354 \ube44\uc2f8\uba70, \uc774\ub7ec\ud55c \uac00\uaca9 \ucc28\uc774\ub294 \uad6c\ub9e4\uc790\uac00 \ud65c\uc6a9\ud560 \uc218 \uc788\ub294 \ub610 \ub2e4\ub978 \uc911\uc694\ud55c \uadfc\uac70\uac00 \ub429\ub2c8\ub2e4. \uc77c\ubc18 H13\uacfc \ub3d9\uc77c\ud55c \uac00\uaca9\uc73c\ub85c \ud310\ub9e4\ub418\uc9c0\ub9cc ESR\ub85c \ud45c\uae30\ub41c \uc81c\ud488\uc740 \uc2e4\uc81c\ub85c ESR \uacf5\uc815\uc744 \uac70\uce58\uc9c0 \uc54a\uc558\uc744 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc5b4\ub5a4 \uc81c\ucca0\uc18c\ub3c4 \ucd94\uac00 \uc815\uc81c \ube44\uc6a9\uc744 \ubb34\ub8cc\ub85c \ubd80\ub2f4\ud558\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc804\uc5d0 \uc131\ub2a5\uc774 \uc800\uc870\ud55c \uc7ac\ub8cc\ub85c \uc778\ud574 \uc190\ud574\ub97c \ubcf8 \uacbd\ud5d8\uc774 \uc788\ub294 \uc555\ucd9c \uae08\ud615 \uad6c\ub9e4\uc790\uc5d0\uac8c \uc788\uc5b4, \uc774\ub7ec\ud55c \ubb38\uc11c\uc640 \uc815\uc9c1\ud55c \uac00\uaca9 \ucc45\uc815\uc758 \uc870\ud569\uc740 \uae08\ud615\uc5d0 \uc2e4\uc81c\ub85c \uc5b4\ub5a4 \uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud558\ub294\uc9c0 \uc815\ud655\ud788 \uc54c\uace0 \uad6c\ub9e4\ud558\ub294 \uac83\uacfc \ucd94\uce21\ud558\ub294 \uac83 \uc0ac\uc774\uc758 \ucc28\uc774\ub97c \ub9cc\ub4e4\uc5b4\ub0c5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>How to Tell If Your H13 Steel Is Really ESR A customer running an aluminum extrusion plant in Brazil recently ran into a problem that shows up more often than most buyers realize. He purchased what was labeled as ESR H13 tool steel from a supplier, put it into production, and found that the dies [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17143,"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 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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-17142","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 v28.5 (Yoast SEO v28.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Verify If H13 Steel Is Really ESR - AoboSteel<\/title>\n<meta name=\"description\" content=\"Learn how to tell genuine ESR H13 from mislabeled material using macrostructure, cleanliness, and mechanical property checks that suppliers can&#039;t fake.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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