{"id":12228,"date":"2026-01-14T10:30:01","date_gmt":"2026-01-14T02:30:01","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=12228"},"modified":"2026-01-14T10:58:14","modified_gmt":"2026-01-14T02:58:14","slug":"what-is-electroslag-remelting-esr","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-electroslag-remelting-esr\/","title":{"rendered":"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?"},"content":{"rendered":"<div class=\"wp-block-uagb-container uagb-block-22ae26c8 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h1 class=\"wp-block-heading has-text-align-center\" id=\"h-what-is-electroslag-remelting-esr\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/h1>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1 uagb-toc__collapse uagb-block-d0fa136b\"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\t\ubaa9\ucc28 \ud14c\uc774\ube14\t\t\t\t\t\t\t\t\t\t\t\t\t<svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewbox= \"0 0 384 512\"><path d=\"M192 384c-8.188 0-16.38-3.125-22.62-9.375l-160-160c-12.5-12.5-12.5-32.75 0-45.25s32.75-12.5 45.25 0L192 306.8l137.4-137.4c12.5-12.5 32.75-12.5 45.25 0s12.5 32.75 0 45.25l-160 160C208.4 380.9 200.2 384 192 384z\"><\/path><\/svg>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#what-is-electroslag-remelting-esr\" class=\"uagb-toc-link__trigger\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#how-the-esr-process-works\" class=\"uagb-toc-link__trigger\">ESR \ud504\ub85c\uc138\uc2a4\ub294 \uc5b4\ub5bb\uac8c \uc9c4\ud589\ub418\ub098\uc694?<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#key-advantages-of-esr-steel\" class=\"uagb-toc-link__trigger\">ESR \uac15\ucca0\uc758 \uc8fc\uc694 \uc7a5\uc810<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#esr-and-var-a-comparison-of-two-remelting-processes\" class=\"uagb-toc-link__trigger\">ESR\uacfc VAR: \ub450 \uac00\uc9c0 \uc7ac\uc6a9\uc735 \uacf5\uc815 \ube44\uad50<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#applications-of-esr-steel\" class=\"uagb-toc-link__trigger\">ESR \uac15\ucca0\uc758 \uc751\uc6a9 \ubd84\uc57c<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#faq\" class=\"uagb-toc-link__trigger\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/a><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<p class=\"wp-block-paragraph\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc740 \uace0\uc131\ub2a5 \uac15\uc7ac \ubc0f \uace0\uc628 \ud569\uae08\uc744 \uc0dd\uc0b0\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 2\ucc28 \uc815\ub828 \uacf5\uc815\uc785\ub2c8\ub2e4. ESR \uacf5\uc815\uc740 \uac15\uad34\ub97c \uc7ac\uc6a9\uc735\ud568\uc73c\ub85c\uc368 \uc7ac\ub8cc \uc21c\ub3c4\uc640 \ubbf8\uc138\uad6c\uc870 \uade0\uc77c\uc131\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uae30\uc874 \uc81c\uac15 \ubc29\uc2dd\uacfc \ube44\uad50\ud588\uc744 \ub54c, ESR \uacf5\uc815\uc73c\ub85c \uc0dd\uc0b0\ub41c \uac15\uc7ac\ub294 \uc6b0\uc218\ud55c \ubb3c\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc758 \ud575\uc2ec\uc740 \uc0b0\ud654\ubb3c \ubc0f \ud669\ud654\ubb3c\uacfc \uac19\uc740 \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc744 \ud604\uc800\ud788 \uac10\uc18c\uc2dc\ucf1c \uc751\ub825 \uc9d1\uc911\uc810\uc744 \uc81c\uac70\ud558\uace0 \uac15\uc7ac\uc758 \ud53c\ub85c \uc800\ud56d\uc131\uacfc \uae30\uacc4\uc801 \uac15\ub3c4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \uc788\uc2b5\ub2c8\ub2e4. \uc544\uc624\ubcf4\uac15\uc740 ESR \uacf5\uc815\uc73c\ub85c \uc0dd\uc0b0\ub41c \uacf5\uad6c\uac15\uc744 \uace0\uac1d\uc5d0\uac8c \uc81c\uacf5\ud560 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uae30\uc874 \uc804\uae30\ub85c \uacf5\uc815\ubcf4\ub2e4 \ud1a4\ub2f9 \uc57d $250~300 \uc815\ub3c4 \ub192\uc740 \uac00\uaca9\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ESR \ud504\ub85c\uc138\uc2a4\ub294 \uc5b4\ub5bb\uac8c \uc9c4\ud589\ub418\ub098\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESR \uacf5\uc815\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub294 \uc6a9\uc735 \uc2ac\ub798\uadf8\ub97c \uc800\ud56d \ubc1c\uc5f4\uccb4\ub85c \ud65c\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. ARC \uc81c\ub828\uacfc \ub2ec\ub9ac ESR \uacf5\uc815\uc5d0\uc11c\ub294 \uad50\ub958(AC) \uc804\ub958\uac00 \uace0\uc800\ud56d \uc561\uccb4 \uc2ac\ub798\uadf8\ub97c \ud1b5\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \uc904 \ubc1c\uc5f4\uc744 \ud1b5\ud574 \uc5f4\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4. \uc774 \uacf5\uc815\uc740 \uc138 \uac00\uc9c0 \uc8fc\uc694 \ub2e8\uacc4\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uc804\uadf9 \uc7ac\uc6a9\uc735: \uc18c\ubaa8\uc131 \uc804\uadf9(\uc815\ub828\ud560 \uac15\ucca0)\uc744 \uc218\ub0c9\uc2dd \uad6c\ub9ac \uc8fc\ud615 \ub0b4\uc758 \ucd08\uace0\uc628 \uc2ac\ub798\uadf8 \ud480\uc5d0 \ub2f4\uae09\ub2c8\ub2e4. \uc804\ub958\uac00 \uc2ac\ub798\uadf8\ub97c \ud1b5\uacfc\ud558\uba74 \uc2ac\ub798\uadf8\uc758 \uc628\ub3c4\uac00 \uae08\uc18d\uc758 \uc561\uc0c1\uc120 \uc774\uc0c1\uc73c\ub85c \uc0c1\uc2b9\ud558\uc5ec \uc804\uadf9 \ub05d\ubd80\ubd84\uc774 \ub179\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc561\uc801 \uc815\ub828: \uc804\uadf9 \uc6a9\uc735\uc73c\ub85c \ud615\uc131\ub41c \uc6a9\uc735 \uae08\uc18d \uc561\uc801\uc774 \ud558\uac15\ud558\ub294 \ub3d9\uc548 \uc561\uccb4 \uc2ac\ub798\uadf8\ub97c \ud1b5\uacfc\ud558\uba74\uc11c \uac15\ub82c\ud55c \uae08\uc18d-\uc2ac\ub798\uadf8 \uacc4\uba74 \ubc18\uc751\uc774 \uc77c\uc5b4\ub098 \ud669\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc81c\uac70\ub418\uace0 \uc0b0\ud654\ubb3c\uacfc \uac19\uc740 \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc774 \uc81c\uac70\ub429\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\ub294 \uac15\ucca0 \uc21c\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ud575\uc2ec\uc801\uc778 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc218\uc9c1 \uc751\uace0: \uc815\uc81c\ub41c \uc6a9\uc735 \uae08\uc18d \ubc29\uc6b8\ub4e4\uc774 \uc2ac\ub798\uadf8 \uce35 \uc544\ub798\uc758 \uc6a9\uc735 \ud480\uc5d0\uc11c \ud569\uccd0\uc9c0\uace0, \uc218\ub0c9\uc2dd \uc8fc\ud615 \ub0b4\uc5d0\uc11c \uc544\ub798\uc5d0\uc11c \uc704\ub85c \uc810\uc9c4\uc801\uc73c\ub85c \uc751\uace0\ub429\ub2c8\ub2e4. \uc81c\uc5b4\ub41c \ub0c9\uac01 \uc18d\ub3c4\ub97c \ud1b5\ud574 \uc8fc\uad34\uc758 \ubc29\ud5a5\uc131 \uc751\uace0\uac00 \uac00\ub2a5\ud574\uc9c0\uba70, \ub9e4\uc6b0 \uade0\uc77c\ud55c \ubbf8\uc138 \uad6c\uc870\ub97c \ud655\ubcf4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-d3e3c8b7\">\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" data-id=\"2787\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg\" alt=\"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735\" class=\"wp-image-2787\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg 1000w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR-300x300.jpg 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR-150x150.jpg 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR-768x768.jpg 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR-12x12.jpg 12w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"431\" height=\"583\" data-id=\"1812\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/Structure-of-electroslag-remelting-equipment.webp\" alt=\"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735 \uc7a5\ube44\uc758 \uad6c\uc870\" class=\"wp-image-1812\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/Structure-of-electroslag-remelting-equipment.webp 431w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/Structure-of-electroslag-remelting-equipment-222x300.webp 222w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/Structure-of-electroslag-remelting-equipment-9x12.webp 9w\" sizes=\"auto, (max-width: 431px) 100vw, 431px\" \/><\/figure>\n<\/figure>\n\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\\\/\",\n    \"@type\": \"ImageObject\",\n    \"contentUrl\": \"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/what-is-ESR.jpg\",\n    \"license\": \"https:\\\/\\\/aobosteel.com\\\/\",\n    \"acquireLicensePage\": \"https:\\\/\\\/aobosteel.com\\\/contact-us\",\n    \"creditText\": \"Aobo Steel - Tool Steel Expert\",\n    \"creator\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Aobo Steel\",\n        \"url\": \"https:\\\/\\\/aobosteel.com\"\n    },\n    \"description\": \"Aobo Steel's ESR (Electro-Slag Remelting) process ensures high purity and uniformity for tool steel. With 20+ years of forging experience, we provide expert steel solutions.\",\n    \"caption\": \"Aobo Steel ESR (Electro-Slag Remelting) equipment for high-quality tool steel production\"\n}<\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">ESR \uac15\ucca0\uc758 \uc8fc\uc694 \uc7a5\uc810<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESR \uacf5\ubc95\uc73c\ub85c \uc81c\uc870\ub41c \uac15\ucca0\uc740 \uae30\uc874 \uc8fc\uc870 \ubc29\uc2dd\uc73c\ub85c\ub294 \uc5bb\uae30 \uc5b4\ub824\uc6b4 \uc6b0\uc218\ud55c \ud2b9\uc131\uc744 \uc9c0\ub2c8\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\uace0\uc21c\ub3c4: ESR\uc758 \ud575\uc2ec \uc7a5\uc810\uc740 \ud669 \ubc0f \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc744 \ud604\uc800\ud558\uac8c \uc904\uc77c \uc218 \uc788\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4. ESR\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc2ac\ub798\uadf8\ub294 \ud654\ud559\uc801 \ubc18\uc751\uc131\uc774 \ub9e4\uc6b0 \ub192\uc544 \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ud761\uc218\ud558\uace0 \ud0c8\ud669 \ubc18\uc751\uc744 \uc644\ub8cc\ud569\ub2c8\ub2e4. \uadf8 \uacb0\uacfc, \ubbf8\uc138 \uc21c\ub3c4\uac00 \ud0c1\uc6d4\ud55c \uc18c\uc7ac\uac00 \uc0dd\uc0b0\ub418\uc5b4 \uc2ec\uac01\ud55c \uacb0\ud568\uc774 \uadfc\ubcf8\uc801\uc73c\ub85c \uc81c\uac70\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub4f1\ubc29\uc131: \uae30\uc874 \uc8fc\uac15\uc5d0\uc11c\ub294 \uc6d0\ub798 \ubd88\uaddc\uce59\ud55c \uacb0\uc815\ub9bd\uc774 \ub2e8\uc870 \ub610\ub294 \uc555\uc5f0 \uacfc\uc815\uc5d0\uc11c \uae38\uac8c \ub298\uc5b4\ub098 \uc12c\uc720 \ud615\ud0dc\uc758 \uc720\ub3d9\uc120\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc885\ubc29\ud5a5\uc740 \uc774\ub7ec\ud55c \uc12c\uc720\ub97c \ub530\ub77c \ud615\uc131\ub418\uace0, \ud6a1\ubc29\ud5a5\uc740 \uc774\uc5d0 \uc218\uc9c1\uc785\ub2c8\ub2e4. \uc885\ubc29\ud5a5\uc758 \uc778\uc131\uacfc \uac15\ub3c4\ub294 \ud6a1\ubc29\ud5a5\ubcf4\ub2e4 \ud6e8\uc52c \uc6b0\uc218\ud569\ub2c8\ub2e4. ESR \uc8fc\uad34\ub294 \ub9e4\uc6b0 \uade0\uc77c\ud55c \ubbf8\uc138\uad6c\uc870\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc5f4\uac04 \uac00\uacf5 \ud6c4\uc5d0\ub3c4 \uc885\ubc29\ud5a5\uacfc \ud6a1\ubc29\ud5a5 \ubaa8\ub450\uc5d0\uc11c \uc77c\uad00\ub41c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc720\uc9c0\ud558\uc5ec \ub2e4\ubc29\ud5a5 \uc751\ub825\uc744 \uacac\ub51c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud5a5\uc0c1\ub41c \ubbf8\uc138\uad6c\uc870: ESR \uc8fc\uad34\ub294 \ud0c1\uc6d4\ud55c \ubc00\ub3c4\uc640 \uac70\uc2dc\uc801 \uade0\uc77c\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc81c\uc5b4\ub41c \ubc29\ud5a5\uc131 \uc751\uace0 \uacf5\uc815(\ud558\ud5a5\uc2dd)\uc740 \uc218\ucd95 \uacf5\ub3d9 \ud615\uc131 \ubc0f \uac70\uc2dc\uc801 \ud3b8\uc11d\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ubc29\uc9c0\ud558\uc5ec \uae30\uc874 \uc8fc\uad34\uc758 \uc911\uc2ec\ubd80\uc5d0\uc11c \ud754\ud788 \ubc1c\uacac\ub418\ub294 \ud488\uc9c8 \uacb0\ud568\uc744 \ud574\uacb0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud0c1\uc6d4\ud55c \uc5f0\ub9c8 \uc131\ub2a5: \uad11\ud559 \ub610\ub294 \uace0\uae09 \ud50c\ub77c\uc2a4\ud2f1 \uc131\ud615 \uc0b0\uc5c5\uc5d0\uc11c \ud45c\uba74 \ub9c8\uac10\uc740 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc740 \uc5f0\ub9c8 \uacfc\uc815\uc5d0\uc11c \ubbf8\uc138\ud55c \uad6c\uba4d\uc774\ub098 \ud328\uc784\uc744 \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. ESR \uac15\uc740 \uac1c\uc7ac\ubb3c\uc774 \ubbf8\uc138\ud558\uace0 \uade0\uc77c\ud55c \ud2b9\uc131\uc744 \uc9c0\ub2c8\uace0 \uc788\uc5b4 \ud0c1\uc6d4\ud55c \uc5f0\ub9c8 \uc131\ub2a5\uc744 \uc81c\uacf5\ud558\uba70, \uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7ec\uc6b4 \ub9c8\uac10\uc744 \uc27d\uac8c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">ESR\uacfc VAR: \ub450 \uac00\uc9c0 \uc7ac\uc6a9\uc735 \uacf5\uc815 \ube44\uad50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ESR\uacfc \uc9c4\uacf5 \uc544\ud06c \uc7ac\uc6a9\uc735(VAR)\uc740 \ubaa8\ub450 \uace0\uc131\ub2a5 \ud569\uae08\uc6a9 \uc18c\ubaa8\uc131 \uc804\uadf9 \uc7ac\uc6a9\uc735 \uacf5\uc815\uc774\uc9c0\ub9cc, \uc57c\uae08\ud559\uc801 \uc6d0\ub9ac\uc5d0\uc11c \uc0c1\ub2f9\ud55c \ucc28\uc774\ub97c \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\ud2b9\uc9d5<\/td><td>\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)<\/td><td>\uc9c4\uacf5 \uc544\ud06c \uc7ac\uc6a9\uc735(VAR)<\/td><\/tr><tr><td>\uac00\uc5f4 \ubc29\uc2dd<\/td><td>\ud56d\uacf5\uae30 \uc5d4\uc9c4 \ub85c\ud130\uc640 \uac19\uc740 \uc911\uc694 \ubd80\ud488\uc740 \uac00\uc2a4 \ud568\ub7c9 \ubc0f \ubbf8\ub7c9 \uc6d0\uc18c\uc5d0 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/td><td>\uc9c1\ub958(DC)\ub294 \uc804\uae30 \uc544\ud06c \uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uadfc\ubb34 \ud658\uacbd<\/td><td>\uc77c\ubc18\uc801\uc73c\ub85c \ub300\uae30 \uc911\uc5d0\uc11c (\uc2ac\ub798\uadf8 \ud480\ub85c \ubcf4\ud638\ub41c \uc0c1\ud0dc\uc5d0\uc11c) \uc9c4\ud589\ub429\ub2c8\ub2e4.<\/td><td>\uace0\uc9c4\uacf5 \ud658\uacbd\uc5d0\uc11c \uc2e4\ud5d8\uc744 \uc9c4\ud589\ud588\uc2b5\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc815\uc81c \uba54\ucee4\ub2c8\uc998<\/td><td>\ud654\ud559 \uc815\uc81c: \ud65c\uc131 \uc2ac\ub798\uadf8\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud0c8\ud669 \ubc0f \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c \uc81c\uac70\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/td><td>\ubb3c\ub9ac\uc801 \uc815\uc81c: \uace0\uc9c4\uacf5\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6a9\ud574\ub41c \uac00\uc2a4($H$, $N$)\uc640 \ud718\ubc1c\uc131 \uc6d0\uc18c\ub97c \uc81c\uac70\ud569\ub2c8\ub2e4.<\/td><\/tr><tr><td>\uc8fc\uc694 \uc7a5\uc810<\/td><td>\ud45c\uba74 \ud488\uc9c8\uc774 \uc6b0\uc218\ud558\uace0 \uad6c\uc870\uc801 \uade0\uc77c\uc131\uc774 \ub192\uc73c\uba70 \ud669 \ud568\ub7c9\uc774 \ub9e4\uc6b0 \ub0ae\uc2b5\ub2c8\ub2e4.<\/td><td>\uadf9\ub3c4\ub85c \ub192\uc740 \uac00\uc2a4 \uc21c\ub3c4\uc640 \ud718\ubc1c\uc131 \ubd88\uc21c\ubb3c \uc6d0\uc18c\uc758 \ud6a8\uacfc\uc801\uc778 \uc81c\uac70.<\/td><\/tr><tr><td>\uc120\ud638\ud558\ub294 \uc9c0\uc6d0 \ubd84\uc57c<\/td><td>\uc6b0\uc218\ud55c \uc5f4\uac04 \uac00\uacf5\uc131, \uc5f0\ub9c8\uc131 \ubc0f \ub2e4\ubc29\ud5a5 \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \uc694\uad6c\ub418\ub294 \ubd80\ud488.<\/td><td>\ud56d\uacf5\uae30 \uc5d4\uc9c4 \ub85c\ud130\uc640 \uac19\uc740 \uc911\uc694 \ubd80\ud488\uc740 \uac00\uc2a4 \ud568\ub7c9 \ubc0f \ubbf8\ub7c9 \uc6d0\uc18c\uc5d0 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">ESR \uac15\ucca0\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/aobosteel.com\/ko\/plastic-mold-steels\/\">\ud50c\ub77c\uc2a4\ud2f1 \uae08\ud615\uac15<\/a>\uad11\ud559 \ubd80\ud488\uc774\ub098 \uace0\ud22c\uba85 \ud50c\ub77c\uc2a4\ud2f1\uc744 \uc0dd\uc0b0\ud560 \ub54c \uae08\ud615\uc740 \ud0c1\uc6d4\ud55c \uac70\uc6b8 \uc5f0\ub9c8 \uc131\ub2a5\uc744 \uc694\uad6c\ud569\ub2c8\ub2e4. ESR \uc815\uc81c S136 \ubc0f <a href=\"https:\/\/aobosteel.com\/ko\/h13-tool-steel\/\">H13<\/a> \uc5f0\ub9c8 \uacfc\uc815\uc5d0\uc11c \uc5d0\uce6d \ud328\ud134\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc5b5\uc81c\ud558\uace0 \ud53c\ud305\uacfc \uac19\uc740 \ud45c\uba74 \uacb0\ud568\uc744 \uc81c\uac70\ud558\ub294 \ub9e4\uc6b0 \uade0\uc77c\ud55c \ubbf8\uc138 \uad6c\uc870\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/cold-work-tool-steels\/\">\ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uac15<\/a>: \ub2e4\uc74c\uacfc \uac19\uc740 \uc601\ud5a5\ub825\uc774 \ud070 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c <a href=\"https:\/\/aobosteel.com\/ko\/tool-steel-selection-for-blanking-and-piercing-dies\/\">\ube14\ub7ad\ud0b9 \ub2e4\uc774<\/a>, \ub530\ub77c\uc11c \ud574\ub2f9 \uc18c\uc7ac\ub294 \ud0c1\uc6d4\ud55c \uc778\uc131\uacfc \ub0b4\ud30c\uc190\uc131\uc744 \ubcf4\uc5ec\uc57c \ud569\ub2c8\ub2e4. \uae30\uc874 \uac15\uc885\uacfc \ube44\uad50\ud588\uc744 \ub54c, \ub2e4\uc74c\uacfc \uac19\uc740 \uc720\ud615\uc740 <a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">\ub5142<\/a> ESR\uc740 \ud0c1\uc6d4\ud55c \ud53c\ub85c \uc800\ud56d\uc131\uc744 \uc81c\uacf5\ud558\uc5ec \uacf5\uad6c\uc758 \uc870\uae30 \uace0\uc7a5 \uc704\ud5d8\uc744 \ud06c\uac8c \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/li>\n\n\n\n<li><a href=\"https:\/\/aobosteel.com\/ko\/hot-work-tool-steels\/\">\uace0\uc628 \uc791\uc5c5\uc6a9 \uacf5\uad6c\uac15<\/a>: \ub2e4\uc74c\uacfc \uac19\uc740 \ub3c4\uad6c\ub4e4 <a href=\"https:\/\/aobosteel.com\/ko\/selection-of-tool-steels-for-die-casting-dies\/\">\ub2e4\uc774\uce90\uc2a4\ud305 \uae08\ud615<\/a> \uace0\uc628 \ud658\uacbd\uc5d0\uc11c \uae08\ud615 \uc218\uba85\uc744 \uc5f0\uc7a5\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc5f4 \uc21c\ud658\uc744 \uacac\ub38c\uc57c \ud558\ubbc0\ub85c \uc5f4 \ud53c\ub85c\uc5d0 \ub9e4\uc6b0 \ucde8\uc57d\ud569\ub2c8\ub2e4. H13 ESR\uc740 \uc6b0\uc218\ud55c \ub4f1\ubc29\uc131\uacfc \ube44\ud3b8\uc11d \ubbf8\uc138\uad6c\uc870\ub85c \uc778\ud574 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc73c\uba70, \uc774\ub294 \ud6a1\ubc29\ud5a5 \uc778\uc131\uacfc \uc5f4\ucda9\uaca9 \uc800\ud56d\uc131\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ucf1c \uace0\uc628 \ud658\uacbd\uc5d0\uc11c \uae08\ud615 \uc218\uba85\uc744 \uc5f0\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faq\">\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1768357123632\"><strong class=\"schema-faq-question\">\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735 \uacf5\uc815\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong> <p class=\"schema-faq-answer\">ESR\uc740 <strong>2\ucc28 \uc815\uc81c \uacf5\uc815<\/strong> \uace0\uc131\ub2a5 \uac15\ucca0 \ubc0f \uace0\uc628 \ud569\uae08\uc744 \uc0dd\uc0b0\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc6a9\uc735 \uc2ac\ub798\uadf8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac15\ucca0 \uc789\uacf3\uc744 \uc7ac\uc6a9\uc735\ud568\uc73c\ub85c\uc368 \uc7ac\ub8cc \uc21c\ub3c4\ub97c \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \ubbf8\uc138 \uad6c\uc870\uc758 \uade0\uc77c\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768357143001\"><strong class=\"schema-faq-question\">ESR \ud504\ub85c\uc138\uc2a4\ub294 \uc5b4\ub5bb\uac8c \uc9c4\ud589\ub418\ub098\uc694?<\/strong> <p class=\"schema-faq-answer\">ESR\uc740 \uc0ac\uc6a9\ud569\ub2c8\ub2e4 <strong>\uc6a9\uc735 \uc2ac\ub798\uadf8\ub97c \uc800\ud56d \ubc1c\uc5f4\uccb4\ub85c \uc0ac\uc6a9<\/strong>. \uad50\ub958(AC) \uc804\ub958\uac00 \uc2ac\ub798\uadf8\ub97c \ud1b5\uacfc\ud558\uba74\uc11c \uc904\uc5f4\uc774 \ubc1c\uc0dd\ud558\uace0, \uc774 \uc5f4\ub85c \uc18c\ubaa8\uc131 \uc804\uadf9\uc774 \ub179\uc544 \uc2ac\ub798\uadf8 \uc544\ub798\ub85c \ub5a8\uc5b4\uc838 \uc815\ub828 \ubc0f \uc751\uace0\ub429\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768357143606\"><strong class=\"schema-faq-question\">ESR\uac15\uc758 \uc8fc\uc694 \uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong> <p class=\"schema-faq-answer\">\uc774 \uacf5\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uac15\ucca0\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. <strong>\ub354 \ub192\uc740 \uc21c\ub3c4<\/strong> \ud669\uacfc \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc744 \uc904\uc784\uc73c\ub85c\uc368. \ub610\ud55c \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. <strong>\ub4f1\ubc29\uc131<\/strong>, \uc774\ub97c \ud1b5\ud574 \uc885\ubc29\ud5a5\uacfc \ud6a1\ubc29\ud5a5 \ubaa8\ub450\uc5d0\uc11c \uc77c\uad00\ub41c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \ubcf4\uc7a5\ud558\uace0 \uac70\uc2dc\uc801\uc778 \ubd84\ub9ac\ub97c \ubc29\uc9c0\ud569\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768357179493\"><strong class=\"schema-faq-question\">ESR \uac15\ucca0\uc740 \uc5bc\ub9c8\ub098 \ub354 \ube44\uc2fc\uac00\uc694?<\/strong> <p class=\"schema-faq-answer\">ESR \uacf5\uc815\uc73c\ub85c \uc0dd\uc0b0\ub41c \uacf5\uad6c\uac15\uc758 \uc77c\ubc18\uc801\uc778 \ube44\uc6a9\uc740 \ub300\ub7b5 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.\u00a0<strong>\ud1a4\ub2f9 $250~300\uac1c \ub354<\/strong>\u00a0\uae30\uc874 \uc804\uae30\ub85c \uc81c\ub828 \ubc29\uc2dd\uc73c\ub85c \uc0dd\uc0b0\ub41c \uac15\ucca0\ubcf4\ub2e4 \uc6b0\uc218\ud558\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768357180677\"><strong class=\"schema-faq-question\">ESR \uac15\ucca0\uc740 \uc5f0\ub9c8 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub098\uc694?<\/strong> <p class=\"schema-faq-answer\">\ub124, ESR \uac15\ucca0\uc740 \uc774\ub7ec\ud55c \uc131\ub2a5\uc744 \ub2ec\uc131\ud569\ub2c8\ub2e4. <strong>\uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7ec\uc6b4 \ub9c8\uac10<\/strong> \ub610\ud55c \ubbf8\uc138\ud55c \uad6c\uba4d\uc774\ub098 \ud328\uc784\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \uc774\ub294 \uc5f0\ub9c8 \uacfc\uc815\uc5d0\uc11c \ud45c\uba74 \uacb0\ud568\uc758 \uc8fc\uc694 \uc6d0\uc778\uc778 \ube44\uae08\uc18d \uac1c\uc7ac\ubb3c\uc744 \uc81c\uac70\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768357211036\"><strong class=\"schema-faq-question\">ESR\uacfc VAR\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong> <p class=\"schema-faq-answer\">ESR\uc740 \uc0ac\uc6a9\ud569\ub2c8\ub2e4 <strong>\ud65c\uc131 \uc2ac\ub798\uadf8 \ubc0f \uad50\ub958 \uc804\ub825<\/strong> \ud654\ud559\uc801 \uc815\uc81c(\ud0c8\ud669)\ub294 \ub300\uae30 \ud658\uacbd\uc5d0\uc11c \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4. \uc774\uc640 \ub300\uc870\uc801\uc73c\ub85c, \uc9c4\uacf5 \uc544\ud06c \uc7ac\uc6a9\uc735(VAR)\uc740 \uace0\uc9c4\uacf5\uacfc \uc9c1\ub958 \uc804\ub825\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6a9\ud574\ub41c \uac00\uc2a4\ub97c \uc81c\uac70\ud558\ub294 \ubb3c\ub9ac\uc801 \uc815\uc81c \ubc29\uc2dd\uc785\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1768357240340\"><strong class=\"schema-faq-question\">ESR\uac15\uc740 \uc5b4\ub5a4 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub098\uc694?<\/strong> <p class=\"schema-faq-answer\">\uc774\uac83\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. <strong>\ud50c\ub77c\uc2a4\ud2f1 \uae08\ud615\uac15<\/strong> \uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7fd\uac8c \uad11\ud0dd\uc744 \ub0b4\uc57c \ud558\ub294, <strong>\ub0c9\uac04 \uac00\uacf5 \uacf5\uad6c\uac15<\/strong> \ud53c\ub85c \uc800\ud56d\uc131\uc774 \uc694\uad6c\ub418\uba70,\u00a0<strong>\uace0\uc628 \uc791\uc5c5\uc6a9 \uacf5\uad6c\uac15<\/strong>\u00a0(H13\uacfc \uac19\uc740) \uc5f4\ucda9\uaca9 \uc800\ud56d\uc131\uacfc \uae34 \uc218\uba85\uc774 \uc694\uad6c\ub418\ub294 \uacbd\uc6b0.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>What is Electroslag Remelting (ESR)? Electroslag Remelting (ESR) is a secondary refining process used to produce high-performance steels and high-temperature alloys. By remelting steel ingots, the ESR process significantly enhances material purity and microstructural uniformity. Compared to traditional steelmaking, ESR-processed steel exhibits superior properties. The core of this process lies in significantly reducing non-metallic inclusions [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":10913,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","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":"","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":""},"class_list":["post-12228","page","type-page","status-publish","hentry"],"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>What is Electroslag Remelting (ESR)? - AoboSteel<\/title>\n<meta name=\"description\" content=\"Discover how Electroslag Remelting (ESR) enhances tool steel purity, isotropy, and mirror polishing. Learn the ESR process for H13 and D2 steel at Aobo Steel. Contact us for high-performance ESR materials.\" \/>\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\/knowledge-hub\/what-is-electroslag-remelting-esr\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Electroslag Remelting (ESR)?\" \/>\n<meta property=\"og:description\" content=\"Discover how Electroslag Remelting (ESR) enhances tool steel purity, isotropy, and mirror polishing. Learn the ESR process for H13 and D2 steel at Aobo Steel. Contact us for high-performance ESR materials.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-electroslag-remelting-esr\/\" \/>\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:modified_time\" content=\"2026-01-14T02:58:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data1\" content=\"6\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"What is Electroslag Remelting (ESR)?\",\"datePublished\":\"2026-01-14T02:30:01+00:00\",\"dateModified\":\"2026-01-14T02:58:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/\"},\"wordCount\":1057,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/what-is-ESR.jpg\",\"inLanguage\":\"ko-KR\"},{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/\",\"name\":\"What is Electroslag Remelting (ESR)? - AoboSteel\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/what-is-ESR.jpg\",\"datePublished\":\"2026-01-14T02:30:01+00:00\",\"dateModified\":\"2026-01-14T02:58:14+00:00\",\"description\":\"Discover how Electroslag Remelting (ESR) enhances tool steel purity, isotropy, and mirror polishing. Learn the ESR process for H13 and D2 steel at Aobo Steel. Contact us for high-performance ESR materials.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357123632\"},{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357143001\"},{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357143606\"},{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357179493\"},{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357180677\"},{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357211036\"},{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357240340\"}],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#primaryimage\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/what-is-ESR.jpg\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/what-is-ESR.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"knowledge-hub\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"What is Electroslag Remelting (ESR)?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"name\":\"AoboSteel\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/aobosteel.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\",\"name\":\"AoboSteel\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"contentUrl\":\"https:\\\/\\\/aobosteel.com\\\/wp-content\\\/uploads\\\/2025\\\/01\\\/cropped-aobo-steel-1.avif\",\"width\":1052,\"height\":592,\"caption\":\"AoboSteel\"},\"image\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\",\"name\":\"Evan\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g\",\"caption\":\"Evan\"},\"sameAs\":[\"http:\\\/\\\/www.aobosteel.com\",\"https:\\\/\\\/www.facebook.com\\\/profile.php?id=61565368220197\",\"https:\\\/\\\/www.instagram.com\\\/aobosteel\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/aobosteel-evan\\\/\",\"https:\\\/\\\/x.com\\\/AobosteelEvan\",\"https:\\\/\\\/www.youtube.com\\\/@aobosteel\"],\"url\":\"https:\\\/\\\/aobosteel.com\\\/ko\\\/blog\\\/author\\\/admin\\\/\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357123632\",\"position\":1,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357123632\",\"name\":\"What is the Electroslag Remelting process?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ESR is a <strong>secondary refining process<\\\/strong> designed to produce high-performance steels and high-temperature alloys. It remelts steel ingots using molten slag to significantly enhance material purity and ensure microstructural uniformity.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357143001\",\"position\":2,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357143001\",\"name\":\"How does the ESR process work?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ESR uses <strong>molten slag as a resistive heating element<\\\/strong>. Alternating current (AC) passes through the slag to generate Joule heat, melting a consumable electrode, which then drops through the slag for refining and solidification.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357143606\",\"position\":3,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357143606\",\"name\":\"What are the main benefits of ESR steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The process creates steel with <strong>higher purity<\\\/strong> by reducing sulfur and non-metallic inclusions. It also provides <strong>isotropy<\\\/strong>, ensuring consistent mechanical properties in both longitudinal and transverse directions, and prevents macroscopic segregation.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357179493\",\"position\":4,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357179493\",\"name\":\"How much more does ESR steel cost?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Tool steel produced by the ESR process typically costs approximately\u00a0<strong>$250\u2013300 per ton more<\\\/strong>\u00a0than steel produced by conventional electric-furnace processes.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357180677\",\"position\":5,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357180677\",\"name\":\"Does ESR steel improve polishing performance?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, ESR steel achieves <strong>mirror-like finishes<\\\/strong> and eliminates pinholes or pitting. This is because the process removes non-metallic inclusions, which are usually the cause of surface defects during polishing.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357211036\",\"position\":6,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357211036\",\"name\":\"What is the difference between ESR and VAR?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ESR uses <strong>active slag and AC power<\\\/strong> for chemical refining (desulfurization) in an atmospheric environment. In contrast, Vacuum Arc Remelting (VAR) uses a high vacuum and DC power for physical refining to remove dissolved gases.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357240340\",\"position\":7,\"url\":\"https:\\\/\\\/aobosteel.com\\\/knowledge-hub\\\/what-is-electroslag-remelting-esr\\\/#faq-question-1768357240340\",\"name\":\"What applications is ESR steel used for?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is used for <strong>plastic mold steel<\\\/strong> requiring mirror polishing, <strong>cold-work tool steel<\\\/strong> requiring fatigue resistance, and\u00a0<strong>hot-work tool steel<\\\/strong>\u00a0(such as H13) requiring thermal shock resistance and extended service life.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694? - AoboSteel","description":"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR) \uacf5\uc815\uc774 \uacf5\uad6c\uac15\uc758 \uc21c\ub3c4, \ub4f1\ubc29\uc131 \ubc0f \uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7ec\uc6b4 \ud45c\uba74 \ub9c8\uac10\uc744 \uc5b4\ub5bb\uac8c \ud5a5\uc0c1\uc2dc\ud0a4\ub294\uc9c0 \uc54c\uc544\ubcf4\uc2ed\uc2dc\uc624. \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc5d0\uc11c H13 \ubc0f D2 \uac15\uc7ac\uc5d0 \ub300\ud55c ESR \uacf5\uc815\uc744 \ubc30\uc6b0\uc2ed\uc2dc\uc624. \uace0\uc131\ub2a5 ESR \uc18c\uc7ac\uc5d0 \ub300\ud55c \ubb38\uc758\ub294 \ub2f9\uc0ac\ub85c \uc5f0\ub77d\ud558\uc2ed\uc2dc\uc624.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-electroslag-remelting-esr\/","og_locale":"ko_KR","og_type":"article","og_title":"What is Electroslag Remelting (ESR)?","og_description":"Discover how Electroslag Remelting (ESR) enhances tool steel purity, isotropy, and mirror polishing. Learn the ESR process for H13 and D2 steel at Aobo Steel. Contact us for high-performance ESR materials.","og_url":"https:\/\/aobosteel.com\/ko\/knowledge-hub\/what-is-electroslag-remelting-esr\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-01-14T02:58:14+00:00","og_image":[{"url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"6\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"What is Electroslag Remelting (ESR)?","datePublished":"2026-01-14T02:30:01+00:00","dateModified":"2026-01-14T02:58:14+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/"},"wordCount":1057,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"image":{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg","inLanguage":"ko-KR"},{"@type":["WebPage","FAQPage"],"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/","url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/","name":"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR)\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694? - AoboSteel","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#primaryimage"},"image":{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#primaryimage"},"thumbnailUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg","datePublished":"2026-01-14T02:30:01+00:00","dateModified":"2026-01-14T02:58:14+00:00","description":"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735(ESR) \uacf5\uc815\uc774 \uacf5\uad6c\uac15\uc758 \uc21c\ub3c4, \ub4f1\ubc29\uc131 \ubc0f \uac70\uc6b8\ucc98\ub7fc \ub9e4\ub044\ub7ec\uc6b4 \ud45c\uba74 \ub9c8\uac10\uc744 \uc5b4\ub5bb\uac8c \ud5a5\uc0c1\uc2dc\ud0a4\ub294\uc9c0 \uc54c\uc544\ubcf4\uc2ed\uc2dc\uc624. \uc544\uc624\ubcf4 \uc2a4\ud2f8\uc5d0\uc11c H13 \ubc0f D2 \uac15\uc7ac\uc5d0 \ub300\ud55c ESR \uacf5\uc815\uc744 \ubc30\uc6b0\uc2ed\uc2dc\uc624. \uace0\uc131\ub2a5 ESR \uc18c\uc7ac\uc5d0 \ub300\ud55c \ubb38\uc758\ub294 \ub2f9\uc0ac\ub85c \uc5f0\ub77d\ud558\uc2ed\uc2dc\uc624.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357123632"},{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357143001"},{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357143606"},{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357179493"},{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357180677"},{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357211036"},{"@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357240340"}],"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/"]}]},{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#primaryimage","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/what-is-ESR.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"knowledge-hub","item":"https:\/\/aobosteel.com\/knowledge-hub\/"},{"@type":"ListItem","position":3,"name":"What is Electroslag Remelting (ESR)?"}]},{"@type":"WebSite","@id":"https:\/\/aobosteel.com\/#website","url":"https:\/\/aobosteel.com\/","name":"\uc544\uc624\ubcf4\uc2a4\ud2f8","description":"","publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/aobosteel.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/aobosteel.com\/#organization","name":"\uc544\uc624\ubcf4\uc2a4\ud2f8","url":"https:\/\/aobosteel.com\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/","url":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","contentUrl":"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/01\/cropped-aobo-steel-1.avif","width":1052,"height":592,"caption":"AoboSteel"},"image":{"@id":"https:\/\/aobosteel.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/"]},{"@type":"Person","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7","name":"\uc5d0\ubc18","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8e402f2e6f36093f0bf1855dbf79269cde23cd659c44eefdd7ecf7ff9c05786f?s=96&d=mm&r=g","caption":"Evan"},"sameAs":["http:\/\/www.aobosteel.com","https:\/\/www.facebook.com\/profile.php?id=61565368220197","https:\/\/www.instagram.com\/aobosteel\/","https:\/\/www.linkedin.com\/in\/aobosteel-evan\/","https:\/\/x.com\/AobosteelEvan","https:\/\/www.youtube.com\/@aobosteel"],"url":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357123632","position":1,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357123632","name":"\uc804\ud574\uc2ac\ub798\uadf8 \uc7ac\uc6a9\uc735 \uacf5\uc815\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"ESR is a <strong>secondary refining process<\/strong> designed to produce high-performance steels and high-temperature alloys. It remelts steel ingots using molten slag to significantly enhance material purity and ensure microstructural uniformity.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357143001","position":2,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357143001","name":"ESR \ud504\ub85c\uc138\uc2a4\ub294 \uc5b4\ub5bb\uac8c \uc9c4\ud589\ub418\ub098\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"ESR uses <strong>molten slag as a resistive heating element<\/strong>. Alternating current (AC) passes through the slag to generate Joule heat, melting a consumable electrode, which then drops through the slag for refining and solidification.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357143606","position":3,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357143606","name":"ESR\uac15\uc758 \uc8fc\uc694 \uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The process creates steel with <strong>higher purity<\/strong> by reducing sulfur and non-metallic inclusions. It also provides <strong>isotropy<\/strong>, ensuring consistent mechanical properties in both longitudinal and transverse directions, and prevents macroscopic segregation.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357179493","position":4,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357179493","name":"ESR \uac15\ucca0\uc740 \uc5bc\ub9c8\ub098 \ub354 \ube44\uc2fc\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Tool steel produced by the ESR process typically costs approximately\u00a0<strong>$250\u2013300 per ton more<\/strong>\u00a0than steel produced by conventional electric-furnace processes.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357180677","position":5,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357180677","name":"ESR \uac15\ucca0\uc740 \uc5f0\ub9c8 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub098\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes, ESR steel achieves <strong>mirror-like finishes<\/strong> and eliminates pinholes or pitting. This is because the process removes non-metallic inclusions, which are usually the cause of surface defects during polishing.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357211036","position":6,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357211036","name":"ESR\uacfc VAR\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"ESR uses <strong>active slag and AC power<\/strong> for chemical refining (desulfurization) in an atmospheric environment. In contrast, Vacuum Arc Remelting (VAR) uses a high vacuum and DC power for physical refining to remove dissolved gases.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357240340","position":7,"url":"https:\/\/aobosteel.com\/knowledge-hub\/what-is-electroslag-remelting-esr\/#faq-question-1768357240340","name":"ESR\uac15\uc740 \uc5b4\ub5a4 \uc6a9\ub3c4\ub85c \uc0ac\uc6a9\ub418\ub098\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"It is used for <strong>plastic mold steel<\/strong> requiring mirror polishing, <strong>cold-work tool steel<\/strong> requiring fatigue resistance, and\u00a0<strong>hot-work tool steel<\/strong>\u00a0(such as H13) requiring thermal shock resistance and extended service life.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"uagb_comment_info":0,"uagb_excerpt":"What is Electroslag Remelting (ESR)? Electroslag Remelting (ESR) is a secondary refining process used to produce high-performance steels and high-temperature alloys. By remelting steel ingots, the ESR process significantly enhances material purity and microstructural uniformity. Compared to traditional steelmaking, ESR-processed steel exhibits superior properties. The core of this process lies in significantly reducing non-metallic inclusions&hellip;","rttpg_featured_image_url":null,"rttpg_author":{"display_name":"Evan","author_link":"https:\/\/aobosteel.com\/ko\/blog\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":null,"rttpg_excerpt":"What is Electroslag Remelting (ESR)? Electroslag Remelting (ESR) is a secondary refining process used to produce high-performance steels and high-temperature alloys. By remelting steel ingots, the ESR process significantly enhances material purity and microstructural uniformity. Compared to traditional steelmaking, ESR-processed steel exhibits superior properties. The core of this process lies in significantly reducing non-metallic inclusions&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/12228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/comments?post=12228"}],"version-history":[{"count":0,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/12228\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/10913"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=12228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}