{"id":15330,"date":"2026-05-14T15:06:41","date_gmt":"2026-05-14T07:06:41","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=15330"},"modified":"2026-10-28T08:19:42","modified_gmt":"2026-10-28T00:19:42","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":"<h1 class=\"wp-block-heading\">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 size-full\"><img decoding=\"async\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2025\/04\/52100-png.avif\" alt=\"52100 \ubca0\uc5b4\ub9c1\uac15\"\/><figcaption class=\"wp-element-caption\">52100 \uac15\ucca0<\/figcaption><\/figure>\n\n\n\n<h2 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 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 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<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<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 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\uc138 \uc218\uc900\uc5d0\uc11c\ub3c4 \uacbd\ub3c4\uc5d0 \ud3b8\ucc28\uac00 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc5f0\uad6c\uc5d0 \ub530\ub974\uba74 \uac00\uacf5 \ud6c4 \uc7ac\ub8cc\uc758 \ud45c\uba74 \uadfc\uc811 \uacbd\ub3c4(\uc57d 900 HV0.025)\ub294 \uc804\uccb4 \ub0b4\ubd80 \uacbd\ub3c4(\uc57d 750 HV0.025)\ubcf4\ub2e4 \ud604\uc800\ud788 \ub192\uc73c\uba70, \uc774\ub294 \uac00\uacf5 \uc911 \ud45c\uba74 \uac15\ud654\uac00 \ubc1c\uc0dd\ud568\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\uc8fc\uc694 \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n\n\n\n<h3 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<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 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.<\/p>\n\n\n\n<h3 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 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 is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>\ud45c\uc900 (\uad6d\uac00\/\uc9c0\uc5ed)<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>\ub3d9\ub4f1\ud55c \ub4f1\uae09<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>W-Nr. (\ub3c5\uc77c\uc5b4 Werkstoff)<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>DIN \/ EN<\/strong> (\ub3c5\uc77c\/\uc720\ub7fd)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>100Cr6<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>1.3505<\/strong><\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>JIS<\/strong> (\uc77c\ubcf8)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>SUJ2<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>GB<\/strong> (\uc911\uad6d)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>GCr15<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>BS<\/strong> (\uc601\uad6d)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>EN31<\/strong> (534A99 \/ 535A99\uc640 \ub3d9\uc77c)<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>ISO<\/strong> (\uad6d\uc81c\uc801\uc778)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>100Cr6<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">1.3505<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>UNS<\/strong> (\ubbf8\uad6d)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>G52986<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>\uace0\uc2a4\ud2b8<\/strong> (\ub7ec\uc2dc\uc544 \uc81c\uad6d)<\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>ShKh15<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u2013<\/td><\/tr><\/tbody><\/table><\/figure>","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":"normal-width-container","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 v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>52100 Steel Properties: Composition, Hardness &amp; 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