{"id":15330,"date":"2026-05-14T15:06:41","date_gmt":"2026-05-14T07:06:41","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15330"},"modified":"2026-08-05T16:28:54","modified_gmt":"2026-08-05T08:28:54","slug":"52100-steel-properties","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/52100-steel-properties\/","title":{"rendered":"52100\uac15\uc758 \ud2b9\uc131: \uad6c\uc131, \uacbd\ub3c4 \ubc0f \ub4f1\uac00\ubb3c"},"content":{"rendered":"<div class=\"wp-block-uagb-container uagb-block-9a05659b alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h1 class=\"wp-block-heading has-text-align-left\" id=\"h-52100-steel-properties-composition-hardness-amp-equivalents\">52100\uac15\uc758 \ud2b9\uc131: \uad6c\uc131, \uacbd\ub3c4 \ubc0f \ub4f1\uac00\ubb3c<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">SAE\/AISI <a href=\"https:\/\/aobosteel.com\/ko\/52100-bearing-steel\/\">52100 \uac15\ucca0<\/a> 52100\uac15\uc740 \uc7ac\ub8cc\uacfc\ud559 \ubc0f \uacf5\ud559 \ubd84\uc57c, \ud2b9\ud788 \uc815\ubc00 \uae30\uacc4 \ubd80\ud488 \uc81c\uc870 \ubd84\uc57c\uc5d0\uc11c \ud575\uc2ec\uc801\uc778 \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294 \ud569\uae08\uac15\uc785\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uad6c\ub984 \ubca0\uc5b4\ub9c1\uac15\uc73c\ub85c \uc5ec\uaca8\uc9c0\uba70, 52100\uac15\uc758 \uc885\ud569\uc801\uc778 \ud2b9\uc131\uc740 \ub2e4\ub978 \uc720\uc0ac \uac15\uc7ac\uc758 \uc870\uc131\uc744 \uce21\uc815\ud558\uace0 \ud3c9\uac00\ud558\ub294 \uae30\uc900\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uace0\ud0c4\uc18c \uc800\ud569\uae08 \ud06c\ub86c\uac15\uc778 52100\uac15\uc758 \ud575\uc2ec \uc7a5\uc810\uc740 \ud0c1\uc6d4\ud55c \uacbd\ub3c4\uc640 \uc6b0\uc218\ud55c \ub0b4\ub9c8\ubaa8\uc131\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 \uc7a5\uae30\uac04 \uace0\uac15\ub3c4 \uc791\uc5c5\uc774 \uc694\uad6c\ub418\ub294 \ubd84\uc57c\uc5d0 \ud544\uc218\uc801\uc778 \uc18c\uc7ac\ub85c \uc790\ub9ac\ub9e4\uae40\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/52100-png.avif\" alt=\"52100 \ubca0\uc5b4\ub9c1\uac15\" class=\"wp-image-5692\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/52100-png.avif 500w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/52100-300x300.avif 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/52100-150x150.avif 150w, https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/52100-12x12.avif 12w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption class=\"wp-element-caption\">52100 \uac15\ucca0<\/figcaption><\/figure>\n\n\n\n<h2 id=\"h-defining-52100-chemical-composition\" class=\"wp-block-heading\">52100 \uc815\uc758: \ud654\ud559\uc801 \uc870\uc131<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc800\ud569\uae08\uac15\uc778 52100\uc740 5100 \uc2dc\ub9ac\uc988\uc5d0 \uc18d\ud558\uba70, \uc774 \uc2dc\ub9ac\uc988\ub294 0.30% C \uc774\uc0c1\uc758 \ud568\ub7c9\uc744 \uac00\uc9c0\uba70 \uc624\uc2a4\ud15c\ud37c\ub9c1 \uacf5\uc815\uc5d0 \uc801\ud569\ud55c \uc800\ud569\uae08\uac15\uc744 \uaddc\uc815\ud569\ub2c8\ub2e4. \ud2b9\ud788 \uce68\ud0c4 \ucc98\ub9ac\uac00 \ud544\uc694 \uc5c6\ub294 \ub0b4\ub9c8\ubaa8\uc131 \uc6a9\ub3c4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-hardness-and-heat-treatment\" class=\"wp-block-heading\">\uacbd\ub3c4 \ubc0f \uc5f4\ucc98\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">52100\uac15\uc758 \ud0c1\uc6d4\ud55c \ud53c\ub85c \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc740 \uc5f4\ucc98\ub9ac \ub355\ubd84\uc785\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac\uc758 \uad81\uadf9\uc801\uc778 \ubaa9\ud45c\ub294 \ub0b4\ubd80 \ubbf8\uc138\uad6c\uc870\ub97c \ucd5c\uc801\ud654\ud558\uc5ec \uace0\ud558\uc911 \uc870\uac74\uc5d0\uc11c\uc758 \uad6c\ub984 \uc811\ucd09 \ud53c\ub85c\uc5d0 \ub300\ud55c \uc5c4\uaca9\ud55c \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \ub2e8\ub2e8\ud55c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uad6c\uc870\ub85c \ubcc0\ud658\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-microstructure-and-treatment-parameters\" class=\"wp-block-heading\">\ubbf8\uc138\uad6c\uc870 \ubc0f \ucc98\ub9ac \ub9e4\uac1c\ubcc0\uc218<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uc5f4\ucc98\ub9ac \uacf5\uc815\uc740 \uc8fc\ub85c \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>\uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654: \uccab \ubc88\uc9f8 \ub2e8\uacc4. 52100\uac15\uc740 855 \u00b1 5 \u00b0C\uc758 \ub9e4\uc6b0 \uc881\uace0 \uc815\ubc00\ud55c \uc628\ub3c4 \ubc94\uc704\ub85c \uac00\uc5f4\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc628\ub3c4 \ubc94\uc704\ub294 \uac15\uc7ac\uc758 \uc644\uc804\ud55c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ub97c \ubcf4\uc7a5\ud558\uace0 \ub2f4\uae08\uc9c8 \ud6c4 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\uc758 \uc591\uc744 \uc801\uc808\ud55c \uc218\uc900\uc73c\ub85c \uc81c\uc5b4\ud569\ub2c8\ub2e4. 860 \u00b0C(1600 \u00b0F)\ub97c \ucd08\uacfc\ud558\ub294 \uc628\ub3c4\ub294 \ubc18\ub4dc\uc2dc \ud53c\ud574\uc57c \ud569\ub2c8\ub2e4. \uacfc\uc5f4\uc740 \uacfc\ub3c4\ud55c \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub97c \uc0dd\uc131\ud558\uba70, \uc774\ub294 \ud6c4\uc18d \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \ubbf8\uc138 \uade0\uc5f4\uc744 \ub3d9\ubc18\ud55c \uac70\uce5c \ubc14\ub298 \ubaa8\uc591\uc758 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\ub97c \uc27d\uac8c \ud615\uc131\ud569\ub2c8\ub2e4. \uc774\ub294 \ubd80\ud488\uc758 \ucd5c\uc885 \uac15\ub3c4\uc640 \uc218\uba85\uc5d0 \ub9e4\uc6b0 \ud574\ub86d\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ub2f4\uae08\uc9c8: \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654 \uc9c1\ud6c4, \uace0\uacbd\ub3c4 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uad6c\uc870\ub97c \uc5bb\uae30 \uc704\ud574 \uc624\uc77c \ub2f4\uae08\uc9c8\uc744 \uc2e4\uc2dc\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\ud15c\ud37c\ub9c1: \ub2f4\uae08\uc9c8\ub85c \uacbd\ud654\ub41c \uac15\ucca0\uc740 \ub2e8\ub2e8\ud558\uc9c0\ub9cc \ucde8\uc131\uc774 \uac15\ud574\uc9c0\ubbc0\ub85c \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \uc989\uc2dc \ud15c\ud37c\ub9c1 \ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. 52100\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub0b4\ubd80 \uc751\ub825\uc744 \uc644\ud654\ud558\uace0 \uc778\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70 \ub192\uc740 \uacbd\ub3c4\ub97c \uc720\uc9c0\ud558\uae30 \uc704\ud574 180~250\u00b0C \ubc94\uc704\uc758 \uc800\uc628 \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub97c \uac70\uce69\ub2c8\ub2e4.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc77c\ub828\uc758 \uacf5\uc815\uc744 \ubaa8\ub450 \uac70\uce5c \ud6c4, 52100\uac15\uc740 \uc774\uc0c1\uc801\uc778 \ubb3c\uc131\uc744 \uc5bb\uac8c \ub429\ub2c8\ub2e4. \uc774 \uac15\uc7ac\uc758 \ubbf8\uc138\uad6c\uc870\ub294 \uc8fc\ub85c \uc57d\ud558\uac8c \ud15c\ud37c\ub9c1\ub41c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uae30\uc9c0, \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub41c \uc794\ub958 \ud0c4\ud654\ubb3c, \uadf8\ub9ac\uace0 \uc18c\ub7c9\uc758 5% \ubbf8\ub9cc\uc758 \uc794\ub958 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. \uc6a9\ud574\ub418\uc9c0 \uc54a\uc740 \uc794\ub958 \ud0c4\ud654\ubb3c\uc740 \ub0b4\ub9c8\ubaa8\uc131 \ud5a5\uc0c1\uc5d0 \uae30\uc5ec\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 id=\"h-target-hardness-levels\" class=\"wp-block-heading\">\ubaa9\ud45c \uacbd\ub3c4 \uc218\uc900<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">52100\uac15\uc740 \uc5f4\ucc98\ub9ac\ub97c \ud1b5\ud574 \ub192\uc740 \uacbd\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uace0\uc131\ub2a5 \ubca0\uc5b4\ub9c1\uac15\uc73c\ub85c \uc801\ud569\ud55c \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4. \uacbd\ub3c4 \uac12\uc740 \uace0\uc815\ub418\uc5b4 \uc788\uc9c0 \uc54a\uace0 \ud2b9\uc815 \uc6a9\ub3c4 \ubc0f \uc5f4\ucc98\ub9ac \uacf5\uc815\uc5d0 \ub530\ub77c \uc77c\uc815 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ubcc0\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud45c\uc900 \uc5f4\ucc98\ub9ac \ud6c4 52100\uac15\uc758 \ub85c\ud06c\uc6f0 \uacbd\ub3c4(HRC)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 55~60 HRC \ubc94\uc704\uc774\uba70, \ud2b9\uc815 \uacf5\uc815\uc744 \uac70\uce58\uba74 62~64 HRC \ubc94\uc704\uc5d0 \uc774\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacbd\ub3c4 \ubaa9\ud45c\uce58\ub294 \ucd5c\uc885 \uc801\uc6a9 \ubd84\uc57c\uc5d0 \ub530\ub77c \uc138\ubc00\ud558\uac8c \uc870\uc815\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc77c\ubc18\uc801\uc778 \ubca0\uc5b4\ub9c1 \uc6a9\ub3c4\uc5d0\uc11c\ub294 \ud45c\uba74 \uacbd\ub3c4\ub97c \ubcf4\ud1b5 62 HRC \uc815\ub3c4\ub85c \uc81c\uc5b4\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc18c\ubaa8\uc131 \uc804\uadf9 \uc9c4\uacf5 \uc6a9\uc735\uc6a9 \uae08\ud615\uacfc \uac19\uc740 \uc815\ubc00 \uae08\ud615\uc744 \uc81c\uc791\ud560 \ub54c\ub294 \uae08\ud615 \uc218\uba85\uacfc \uacbd\ub3c4\uc758 \uade0\ud615\uc744 \ub9de\ucd94\uae30 \uc704\ud574 59~61 HRC\ub85c \ub354\uc6b1 \uc815\ubc00\ud558\uac8c \uacbd\ub3c4\ub97c \uc81c\uc5b4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubbf8\uc2dc\uc801 \uc218\uc900\uc5d0\uc11c\ub3c4 \uacbd\ub3c4\ub294 \ubcc0\ud654\ub97c \ubcf4\uc778\ub2e4. \uc5f0\uad6c \uacb0\uacfc\uc5d0 \ub530\ub974\uba74 \uac00\uacf5 \ud6c4 \uc7ac\ub8cc \ud45c\uba74 \ubd80\uadfc\uc758 \uacbd\ub3c4(\uc57d 900 HV0.025)\uac00 \uc804\uccb4 \ub0b4\ubd80 \uacbd\ub3c4(\uc57d 750 HV0.025)\ubcf4\ub2e4 \uc0c1\ub2f9\ud788 \ub192\uc740 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc73c\uba70, \uc774\ub294 \uac00\uacf5 \uacfc\uc815\uc5d0\uc11c \ud45c\uba74\uc774 \uac15\ud654\ub428\uc744 \ubcf4\uc5ec\uc900\ub2e4.<sup data-fn=\"4744cd5f-6685-4910-a3a9-39cd41238369\" class=\"fn\"><a href=\"#4744cd5f-6685-4910-a3a9-39cd41238369\" id=\"4744cd5f-6685-4910-a3a9-39cd41238369-link\">1<\/a><\/sup>.<\/p>\n\n\n\n<h2 id=\"h-key-mechanical-properties\" class=\"wp-block-heading\">\uc8fc\uc694 \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n\n\n\n<h3 id=\"h-elastic-modulus-and-strength\" class=\"wp-block-heading\">\ud0c4\uc131 \uacc4\uc218 \ubc0f \uac15\ub3c4<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uac15\uc131: 52100 \uac15\ucca0\uc758 \uc601\ub960(\ud0c4\uc131 \uacc4\uc218)\uc740 210 GPa\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uac15\ub3c4: 52100\uac15\uc758 \uac15\ub3c4\ub294 \uc5f4\ucc98\ub9ac \uc870\uac74\uc5d0 \ub530\ub77c \uad6c\ubd84\ub429\ub2c8\ub2e4. \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc5d0\uc11c\ub294 \uac00\uacf5\uc131\uc744 \ub192\uc774\uae30 \uc704\ud574 \uac15\ub3c4\uac00 \uc758\ub3c4\uc801\uc73c\ub85c \uac10\uc18c\ub429\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\uc5d0\uc11c \uc778\uc7a5 \uac15\ub3c4\ub294 \uc57d 379MPa, \ud56d\ubcf5 \uac15\ub3c4\ub294 \uc57d 165MPa\uc785\ub2c8\ub2e4. \ub2f4\uae08\uc9c8 \ucc98\ub9ac \ud6c4\uc5d0\ub294 \ud30c\uad34 \uc2dc \ucd5c\ub300 \uac15\ub3c4\uac00 590MPa\uc5d0 \ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-toughness-and-fracture-resistance\" class=\"wp-block-heading\">\uc778\uc131 \ubc0f \ud30c\uad34 \uc800\ud56d\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc73c\ub85c \ub192\uc740 \uacbd\ub3c4\ub294 \ub0ae\uc740 \uc778\uc131\uc744 \ub3d9\ubc18\ud569\ub2c8\ub2e4. 200\u00b0C\uc5d0\uc11c \ud45c\uc900 \ud15c\ud37c\ub9c1\uc744 \uac70\uce5c \ud6c4\uc5d0\ub3c4 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub41c 52100\uac15\uc758 \uc804\uccb4\uc801\uc778 \uc778\uc131\uc740 \uc5ec\uc804\ud788 \ub0ae\uc2b5\ub2c8\ub2e4. \ud30c\uad34 \uc778\uc131(K_)\uc740<sub>\uc544\uc774\ud06c<\/sub>\uc77c\ubc18\uc801\uc73c\ub85c 15~25 MPa\u00b7m \ubc94\uc704\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4.<sup>1\/2<\/sup>, \uc774\ub294 \uade0\uc5f4 \uc804\ud30c\uc5d0 \ub300\ud55c \uc800\ud56d\uc774 \uc0c1\ub300\uc801\uc73c\ub85c \ub0ae\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<sup data-fn=\"9a808281-9e16-4343-91e1-d27138df1b8c\" class=\"fn\"><a href=\"#9a808281-9e16-4343-91e1-d27138df1b8c\" id=\"9a808281-9e16-4343-91e1-d27138df1b8c-link\">2<\/a><\/sup>.<\/p>\n\n\n\n<h3 id=\"h-weldability\" class=\"wp-block-heading\">\uc6a9\uc811\uc131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AISI 52100 \uac15\uc740 \ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uc544 \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uae30 \uc26c\uc6b0\ubbc0\ub85c \uc6a9\uc811\uc774 \ubd88\uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-equivalent-grades-and-designations\" class=\"wp-block-heading\">\ub3d9\ub4f1\ud55c \ub4f1\uae09 \ubc0f \uba85\uce6d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uad6d\uc81c\uc801\uc73c\ub85c \uc778\uc815\ubc1b\ub294 \uc18c\uc7ac\uc778 SAE 52100\uc740 \ub2e4\uc591\ud55c \uad6d\uac00 \ubc0f \uc0b0\uc5c5 \ud45c\uc900\uc5d0\uc11c \uc5ec\ub7ec \ub3d9\ub4f1\ud55c \uba85\uce6d\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\ud45c\uc900 (\uad6d\uac00\/\uc9c0\uc5ed)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\ub3d9\ub4f1\ud55c \ub4f1\uae09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>W-Nr. (\ub3c5\uc77c\uc5b4 Werkstoff)<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>DIN \/ EN<\/strong> (\ub3c5\uc77c\/\uc720\ub7fd)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>100Cr6<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>1.3505<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\uc9c0\uc774\uc2a4<\/strong> (\uc77c\ubcf8)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\uc218\uc81c\uc7742<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\uc601\uad6d<\/strong> (\uc911\uad6d)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>GCr15<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>BS<\/strong> (\uc601\uad6d)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>EN31<\/strong> (534A99 \/ 535A99\uc640 \ub3d9\uc77c)<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>ISO<\/strong> (\uad6d\uc81c\uc801\uc778)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>100Cr6<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">1.3505<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>UNS<\/strong> (\ubbf8\uad6d)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>G52986<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\uace0\uc2a4\ud2b8<\/strong> (\ub7ec\uc2dc\uc544 \uc81c\uad6d)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>ShKh15<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u2013<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 id=\"h-faq\" class=\"wp-block-heading\">\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-1765417148180\"><strong class=\"schema-faq-question\"><strong>\uc5f4\ucc98\ub9ac\ub41c 52100\uac15\uc758 \uc77c\ubc18\uc801\uc778 \ub85c\ud06c\uc6f0 \uacbd\ub3c4(HRC) \ubc94\uc704\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">\ud45c\uc900 \uc5f4\ucc98\ub9ac \ud6c4 52100\uac15\uc758 \ub85c\ud06c\uc6f0 \uacbd\ub3c4(HRC)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc740 \ubc94\uc704\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. <strong>55~60 HRC<\/strong>, \ud558\uc9c0\ub9cc \ud2b9\uc815 \uacfc\uc815\uc744 \ud1b5\ud574 \ub2ec\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <strong>62~64 HRC<\/strong>.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417162099\"><strong class=\"schema-faq-question\"><strong>SAE 52100\uc740 \uc5b4\ub5a4 \uc885\ub958\uc758 \ud569\uae08\uac15\uc778\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">52100\uc740 \uace0\ud0c4\uc18c \uc800\ud569\uae08 \ud06c\ub86c\uac15\uc73c\ub85c \uc815\uc758\ub418\uba70, \ub300\ud45c\uc801\uc778 \uad6c\ub984 \ubca0\uc5b4\ub9c1\uc6a9 \uac15\uc73c\ub85c \uc5ec\uaca8\uc9d1\ub2c8\ub2e4. 5100 \uc2dc\ub9ac\uc988\uc5d0 \uc18d\ud558\uba70, 52100\ubcf4\ub2e4 \ub354 \ub9ce\uc740 \ud0c4\uc18c\ub97c \ud568\uc720\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <strong>0.30%<\/strong> \ud0c4\uc18c.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417162907\"><strong class=\"schema-faq-question\"><strong>52100\uac15\uc744 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc628\ub3c4\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">52100\uac15\uc740 \uc815\ud655\ud55c \uc628\ub3c4 \ubc94\uc704\uae4c\uc9c0 \uac00\uc5f4\ud574\uc57c \ud569\ub2c8\ub2e4. <strong>855 \u00b1 5 \u00b0C<\/strong> \uc644\uc804\ud55c \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ub97c \uc704\ud574\uc11c\ub294 \uc628\ub3c4\uac00 \ub2e4\uc74c\uc744 \ucd08\uacfc\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud558\ub294 \uac83\uc774 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.\u00a0<strong>860\u00b0C<\/strong>.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417164140\"><strong class=\"schema-faq-question\"><strong>52100\uac15\uc758 \ud45c\uc900 \ud15c\ud37c\ub9c1 \uc628\ub3c4 \ubc94\uc704\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">52100\uac15\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc800\uc628 \ud15c\ud37c\ub9c1 \ucc98\ub9ac\ub429\ub2c8\ub2e4. <strong>180~250\u00b0C<\/strong> \ubc94\uc704. \ud15c\ud37c\ub9c1\uc740 \ub0b4\ubd80 \uc751\ub825\uc744 \uc644\ud654\ud558\uace0, \uc778\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \ub2f4\uae08\uc9c8 \ud6c4 \uade0\uc5f4\uc744 \ubc29\uc9c0\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417164914\"><strong class=\"schema-faq-question\"><strong>52100 \uac15\uc7ac\uc758 DIN \ub610\ub294 EN \ub4f1\uae09\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">52100\uac15\uc5d0 \ub300\ud55c \ud45c\uc900 \uc720\ub7fd(EN) \ubc0f \ub3c5\uc77c(DIN) \ub4f1\uae09\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>100Cr6<\/strong>, W-Nr. \uba85\uce6d\uc5d0 \ud574\ub2f9\ud568 <strong>1.3505<\/strong>.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417191833\"><strong class=\"schema-faq-question\"><strong>52100\uac15\uc758 \uc8fc\uc694 \uc6a9\ub3c4\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">52100\uc740 \ub6f0\uc5b4\ub09c \ub0b4\ub9c8\ubaa8\uc131\uacfc \uace0\uac15\ub3c4 \uc791\ub3d9\uc744 \uacac\ub51c \uc218 \uc788\ub294 \ub2a5\ub825 \ub355\ubd84\uc5d0 \uc77c\ubc18 \ubca0\uc5b4\ub9c1, \uc815\ubc00 \uae30\uacc4 \ubd80\ud488 \ubc0f \uc815\ubc00 \uae08\ud615\uc5d0 \ud544\uc218\uc801\uc778 \uc18c\uc7ac\uc785\ub2c8\ub2e4.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417192746\"><strong class=\"schema-faq-question\"><strong>52100 \uac15\uc7ac\uc5d0 \ud574\ub2f9\ud558\ub294 \uc77c\ubcf8 JIS \ub4f1\uae09\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">SAE 52100 \uac15\uc7ac\uc5d0 \ub300\ud55c \uc77c\ubcf8 \uc0b0\uc5c5 \ud45c\uc900\uc758 \ud574\ub2f9 \uba85\uce6d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>\uc218\uc81c\uc7742<\/strong>.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417223736\"><strong class=\"schema-faq-question\"><strong>52100 \uac15\ucca0\uc758 \ud0c4\uc131 \uacc4\uc218\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?<\/strong><\/strong> <p class=\"schema-faq-answer\">52100 \uac15\ucca0\uc758 \uac15\uc131\uc744 \uce21\uc815\ud558\ub294 \uc601\ub960(\ud0c4\uc131 \uacc4\uc218)\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <strong>210 GPa<\/strong>.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1765417233476\"><strong class=\"schema-faq-question\"><strong>52100 \uac15\ucca0\uc740 \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c\uac00\uc694?<\/strong><\/strong> <p class=\"schema-faq-answer\">\uc544\ub2c8\uc694, AISI 52100 \uac15\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ubd84\ub958\ub429\ub2c8\ub2e4. <strong>\uc6a9\uc811 \ubd88\uac00\ub2a5<\/strong>. \ud0c4\uc18c \ud568\ub7c9\uc774 \ub192\uc544 \ub2f4\uae08\uc9c8 \uacfc\uc815\uc5d0\uc11c \uade0\uc5f4\uc774 \uc0dd\uae30\uae30 \uc27d\uc2b5\ub2c8\ub2e4.<\/p> <\/div> <\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>52100 Steel Properties: Composition, Hardness &amp; Equivalents SAE\/AISI 52100 steel is an alloy steel occupying a central position in the field of materials science and engineering, particularly in the manufacture of precision mechanical components. It is considered the classic rolling bearing steel, and the comprehensive properties of 52100 steel serve as the benchmark against which [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"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":"[{\"id\":\"4744cd5f-6685-4910-a3a9-39cd41238369\",\"content\":\"\"},{\"id\":\"9a808281-9e16-4343-91e1-d27138df1b8c\",\"content\":\"\"}]"},"class_list":["post-15330","page","type-page","status-publish","hentry"],"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>52100 Steel Properties: Composition, Hardness &amp; 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It falls under the 5100 series, containing more than <strong>0.30%<\\\/strong> Carbon.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/52100-steel-properties\\\/#faq-question-1765417162907\",\"position\":3,\"url\":\"https:\\\/\\\/aobosteel.com\\\/52100-steel-properties\\\/#faq-question-1765417162907\",\"name\":\"What temperature is required for austenitizing 52100 steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"52100 steel must be heated to the precise temperature range of <strong>855 \u00b1 5 \u00b0C<\\\/strong> for complete austenitization. It is strictly critical to avoid temperatures exceeding\u00a0<strong>860 \u00b0C<\\\/strong>.\",\"inLanguage\":\"ko-KR\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/52100-steel-properties\\\/#faq-question-1765417164140\",\"position\":4,\"url\":\"https:\\\/\\\/aobosteel.com\\\/52100-steel-properties\\\/#faq-question-1765417164140\",\"name\":\"What is the standard tempering temperature range for 52100 steel?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"52100 steel is typically low-temperature tempered within the <strong>180\u2013250\u00b0C<\\\/strong> range. 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It falls under the 5100 series, containing more than <strong>0.30%<\/strong> Carbon.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417162907","position":3,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417162907","name":"52100\uac15\uc744 \uc624\uc2a4\ud14c\ub098\uc774\ud2b8\ud654\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc628\ub3c4\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"52100 steel must be heated to the precise temperature range of <strong>855 \u00b1 5 \u00b0C<\/strong> for complete austenitization. It is strictly critical to avoid temperatures exceeding\u00a0<strong>860 \u00b0C<\/strong>.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417164140","position":4,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417164140","name":"52100\uac15\uc758 \ud45c\uc900 \ud15c\ud37c\ub9c1 \uc628\ub3c4 \ubc94\uc704\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"52100 steel is typically low-temperature tempered within the <strong>180\u2013250\u00b0C<\/strong> range. Tempering is essential to relieve internal stresses, enhance toughness, and prevent cracking after quenching.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417164914","position":5,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417164914","name":"52100 \uac15\uc7ac\uc758 DIN \ub610\ub294 EN \ub4f1\uae09\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The standard European (EN) and German (DIN) equivalent grade for 52100 steel is <strong>100Cr6<\/strong>, corresponding to the W-Nr. designation <strong>1.3505<\/strong>.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417191833","position":6,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417191833","name":"52100\uac15\uc758 \uc8fc\uc694 \uc6a9\ub3c4\ub294 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"52100 is an indispensable choice for conventional bearing applications, precision mechanical components, and precision molds, due to its superior wear resistance and ability to sustain high-intensity operation.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417192746","position":7,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417192746","name":"52100 \uac15\uc7ac\uc5d0 \ud574\ub2f9\ud558\ub294 \uc77c\ubcf8 JIS \ub4f1\uae09\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The Japanese Industrial Standards equivalent designation for SAE 52100 steel is <strong>SUJ2<\/strong>.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417223736","position":8,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417223736","name":"52100 \uac15\ucca0\uc758 \ud0c4\uc131 \uacc4\uc218\ub294 \uc5bc\ub9c8\uc785\ub2c8\uae4c?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The Young\u2019s modulus, or elastic modulus, which measures the stiffness of 52100 steel, is <strong>210 GPa<\/strong>.","inLanguage":"ko-KR"},"inLanguage":"ko-KR"},{"@type":"Question","@id":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417233476","position":9,"url":"https:\/\/aobosteel.com\/52100-steel-properties\/#faq-question-1765417233476","name":"52100 \uac15\ucca0\uc740 \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c\uac00\uc694?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No, AISI 52100 steel is classified as <strong>nonweldable<\/strong>. It is highly prone to cracking during quenching because of its high carbon content.","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":"52100 Steel Properties: Composition, Hardness &amp; Equivalents SAE\/AISI 52100 steel is an alloy steel occupying a central position in the field of materials science and engineering, particularly in the manufacture of precision mechanical components. It is considered the classic rolling bearing steel, and the comprehensive properties of 52100 steel serve as the benchmark against which&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":"52100 Steel Properties: Composition, Hardness &amp; Equivalents SAE\/AISI 52100 steel is an alloy steel occupying a central position in the field of materials science and engineering, particularly in the manufacture of precision mechanical components. It is considered the classic rolling bearing steel, and the comprehensive properties of 52100 steel serve as the benchmark against which&hellip;","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/15330","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=15330"}],"version-history":[{"count":1,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/15330\/revisions"}],"predecessor-version":[{"id":17466,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/15330\/revisions\/17466"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=15330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}