{"id":16800,"date":"2026-07-21T21:40:12","date_gmt":"2026-07-21T13:40:12","guid":{"rendered":"https:\/\/aobosteel.com\/?p=16800"},"modified":"2026-07-23T20:51:05","modified_gmt":"2026-07-23T12:51:05","slug":"d2-tool-steel-sendzimir-cluster-mill-rolls","status":"publish","type":"post","link":"https:\/\/aobosteel.com\/ko\/blog\/d2-tool-steel-sendzimir-cluster-mill-rolls\/","title":{"rendered":"Sendzimir \ud074\ub7ec\uc2a4\ud130 \ubc00 \uc791\uc5c5\uc6a9 \ub864\uc5d0 D2\uac00 \ud45c\uc900\uc73c\ub85c \uc120\ud0dd\ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?"},"content":{"rendered":"<h1 id=\"h-why-aisi-d2-tool-steel-is-the-standard-choice-for-sendzimir-cluster-mill-work-rolls\" class=\"wp-block-heading has-large-font-size\">\uc13c\uc9c0\ubbf8\ub974 \ud074\ub7ec\uc2a4\ud130 \ubc00 \uc791\uc5c5 \ub864\uc5d0 AISI D2 \uacf5\uad6c\uac15\uc774 \ud45c\uc900\uc73c\ub85c \uc120\ud0dd\ub418\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\uc13c\uc9c0\ubbf8\ub974(Sendzimir) \uad6c\uc131\uc744 \uc0ac\uc6a9\ud558\ub294 \ub0c9\uac04 \uc555\uc5f0\uae30\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 20\ub2e8 \ub610\ub294 Z-Hi \ud074\ub7ec\uc2a4\ud130 \uc555\uc5f0\uae30\ub77c\uace0 \ubd88\ub9ac\uba70, \ud575\uc2ec \uc124\uacc4 \uc6d0\uce59\uc740 \uc791\uc5c5 \ub864\uc758 \uc9c1\uacbd\uc744 \uc758\ub3c4\uc801\uc73c\ub85c \uc791\uac8c \ub9cc\ub4dc\ub294 \uac83\uc785\ub2c8\ub2e4. \uc791\uc5c5 \ub864\uc758 \uc9c1\uacbd\uc774 \uc791\uc73c\uba74 \uc2a4\ud2b8\ub9bd\uc744 \uc555\uc5f0\ud558\ub294 \ub370 \ud544\uc694\ud55c \uc555\uc5f0\ub825\uc774 \uac10\uc18c\ud558\uace0, \uc804\ub825 \uc18c\ube44\uac00 \uc904\uc5b4\ub4e4\uba70, \uc7ac\ub8cc\uac00 \uc2a4\ud0e0\ub4dc\ub97c \ud1b5\uacfc\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \uce21\uba74 \ud655\uc0b0\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc9d5 \ub355\ubd84\uc5d0 \ud074\ub7ec\uc2a4\ud130 \uc555\uc5f0\uae30\ub294 \uc587\uace0 \ub2e8\ub2e8\ud558\uac70\ub098 \uace0\uac15\ub3c4\uc758 \uc2a4\ud2b8\ub9bd \ubc0f \ud310\uc7ac\ub97c \uc555\uc5f0\ud558\ub294 \ub370 \ub9e4\uc6b0 \ud6a8\uacfc\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubb38\uc81c\ub294 \uae30\uacc4\uc801\uc778 \uc0c1\ucda9 \uad00\uacc4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \ubb34\uac70\uc6b4 \ud558\uc911\uc744 \ubc1b\ub294 \uac00\ub290\ub2e4\ub780 \ub864\uc740 \ud718\uc5b4\uc9c0\ub824\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc9c0\uc9c0\ub300\uac00 \uc5c6\uc73c\uba74 \uc774\ub7ec\ud55c \ud718\uc5b4\uc9d0\uc73c\ub85c \uc778\ud574 \uac8c\uc774\uc9c0 \uc81c\uc5b4\uac00 \uc81c\ub300\ub85c \ub418\uc9c0 \uc54a\uace0 \uacb0\uad6d \ub864 \uc790\uccb4\uc5d0 \uade0\uc5f4\uc774 \uc0dd\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud074\ub7ec\uc2a4\ud130 \uc555\uc5f0\uae30 \uc124\uacc4\ub294 \uc791\uc5c5 \ub864\uc744 \uc5ec\ub7ec \uac1c\uc758 \uc911\uac04 \ub864\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uc2a4\ud0dd \ub0b4\ubd80\uc5d0 \ubc30\uce58\ud568\uc73c\ub85c\uc368 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud558\uba74 \uc555\uc5f0 \ud558\uc911\uc774 \ubc14\uae65\ucabd\uc758 \ud070 \ubc31\uc5c5 \ub864\uacfc \uacac\uace0\ud55c \ud558\uc6b0\uc9d5\uc73c\ub85c \uc804\ub2ec\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc791\uc5c5 \ub864\uc740 \uc790\uccb4\uc801\uc73c\ub85c \ud718\uc5b4\uc9d0\uc5d0 \uc800\ud56d\ud560 \ud544\uc694\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc555\ucd95, \ub9c8\ubaa8 \ubc0f \ud45c\uba74 \uc811\ucd09\uc5d0\ub9cc \uacac\ub514\uba74 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8 \ud558\ub098\uc758 \uc124\uacc4\uc0c1\uc758 \uc0ac\uc2e4\uc774 \uc774 \uc6a9\ub3c4\uc5d0 \uc788\uc5b4 &quot;\uc801\ud569\ud55c \uac15\ucca0&quot;\uc758 \uc758\ubbf8\ub97c \ubc14\uafb8\uc5b4 \ub193\uc73c\uba70, \uc774\uac83\uc774 \ubc14\ub85c \uadf8 \uc774\uc720\uc785\ub2c8\ub2e4. <a href=\"https:\/\/aobosteel.com\/ko\/d2-tool-steel\/\">AISI D2<\/a> \uc774 \uc18c\uc7ac\ub294 \uc218\uc2ed \ub144 \ub3d9\uc548 \uc774\ub7ec\ud55c \uc2a4\ud0e0\ub4dc\uc758 \uc791\uc5c5 \ub864\uacfc \uc911\uac04 \ub864 \ubaa8\ub450\uc5d0 \ud45c\uc900 \uc18c\uc7ac\ub85c \uc0ac\uc6a9\ub418\uc5b4 \uc654\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">20-Hi \ubc0f Z-Hi \uc555\uc5f0\uae30\ub294 \ub3d9\uc77c\ud55c \ub864 \ud074\ub7ec\uc2a4\ud130\uc640 \ud798 \uc804\ub2ec \uacbd\ub85c\ub97c \uacf5\uc720\ud569\ub2c8\ub2e4. \uc720\uc77c\ud55c \uad6c\uc870\uc801 \ucc28\uc774\uc810\uc740 \uc791\uc5c5 \ub864 \uc790\uccb4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. Z-Hi \uc791\uc5c5 \ub864\uc740 \uc2a4\ud0e0\ub4dc\ub97c \ubd84\ud574\ud558\uc9c0 \uc54a\uace0\ub3c4 \ube60\ub978 \ub864 \uad50\uccb4\ub97c \uc704\ud574 \uce21\uba74\uc73c\ub85c \ube7c\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div style=\"max-width:680px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;\">\n<h3 style=\"text-align:center;font-size:15px;font-weight:500;margin:0 0 4px;color:#2C2C2A;\">Z-Hi \ub0c9\uac04\uc555\uc5f0\uae30 \u00b7 \uce21\uba74 \uc778\ucd9c\uc2dd<\/h3>\n<p style=\"text-align:center;font-size:12px;color:#5F5E5A;margin:0 0 12px;\">20-Hi\uc640 \ub3d9\uc77c\ud55c \ud074\ub7ec\uc2a4\ud130; \uc791\uc5c5 \ub864\uc774 \uce21\uba74\uc73c\ub85c \ube60\uc838\ub098\uac00 \ube60\ub978 \uad50\uccb4\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n<svg viewbox=\"0 0 680 500\" width=\"100%\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<title>Z-Hi \ub0c9\uac04\uc555\uc5f0\uae30 - \uace0\uc18d \ub864 \uad50\uccb4 \uae30\ub2a5\uc774 \uc788\ub294 \uc791\ub3d9 \uc0c1\ud0dc<\/title>\n<desc>Z-Hi \ub0c9\uac04 \uc555\uc5f0\uae30\uc758 \ub2e8\uba74 \uc560\ub2c8\uba54\uc774\uc158\uc785\ub2c8\ub2e4. 20-Hi\uc640 \ub3d9\uc77c\ud55c \ub864 \ud074\ub7ec\uc2a4\ud130\ub97c \uc0ac\uc6a9\ud558\uc9c0\ub9cc, \uc791\uc5c5 \ub864\uc744 \uce21\uba74\uc73c\ub85c \ube7c\ub0bc \uc218 \uc788\uc5b4 \ub864 \uad50\uccb4\uac00 \ube60\ub985\ub2c8\ub2e4. \uc560\ub2c8\uba54\uc774\uc158\uc740 \uc0c1\ub2e8 \uc791\uc5c5 \ub864\uc774 \ubbf8\ub044\ub7ec\uc838 \ub098\uc654\ub2e4\uac00 \ub2e4\uc2dc \ub4e4\uc5b4\uac00\ub294 \ubaa8\uc2b5\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ud68c\uc804 \ubc29\ud5a5\uc740 \uc6b4\ub3d9\ud559\uc801 \uc6d0\ub9ac\ub97c \ub530\ub985\ub2c8\ub2e4. \uac19\uc740 \uce35\uc758 \ub864\uc740 \uac19\uc740 \ubc29\ud5a5\uc73c\ub85c \ud68c\uc804\ud558\uace0, \uc778\uc811\ud55c \uce35\uc758 \ub864\uc740 \ubc18\ub300 \ubc29\ud5a5\uc73c\ub85c \ud68c\uc804\ud569\ub2c8\ub2e4.<\/desc>\n<defs>\n<marker id=\"z2a\" viewbox=\"0 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class=\"z20-smk\"\/>\n<line x1=\"380\" y1=\"246\" x2=\"380\" y2=\"254\" class=\"z20-smk\"\/>\n<line x1=\"440\" y1=\"246\" x2=\"440\" y2=\"254\" class=\"z20-smk\"\/>\n<line x1=\"500\" y1=\"246\" x2=\"500\" y2=\"254\" class=\"z20-smk\"\/>\n<line x1=\"560\" y1=\"246\" x2=\"560\" y2=\"254\" class=\"z20-smk\"\/>\n<line x1=\"620\" y1=\"246\" x2=\"620\" y2=\"254\" class=\"z20-smk\"\/>\n<line x1=\"680\" y1=\"246\" x2=\"680\" y2=\"254\" class=\"z20-smk\"\/>\n<line x1=\"720\" y1=\"246\" x2=\"720\" y2=\"254\" class=\"z20-smk\"\/>\n<\/g>\n\n<path d=\"M 30 250 L 60 250\" class=\"z20-arr\" marker-end=\"url(#z1a)\"\/>\n<path d=\"M 620 250 L 650 250\" class=\"z20-arr\" marker-end=\"url(#z1a)\"\/>\n<text x=\"30\" y=\"238\" class=\"z20-t z20-l\">\uae30\uc785<\/text>\n<text x=\"650\" y=\"238\" class=\"z20-t z20-l\" text-anchor=\"end\">\ucd9c\uad6c<\/text>\n\n<g transform=\"translate(220,105)\"><g class=\"z20-cw\"><use href=\"#z20bk\"\/><\/g><\/g>\n<g transform=\"translate(300,105)\"><g 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transform=\"translate(283,346)\"><g class=\"z20-cw\"><use href=\"#z20i2\"\/><\/g><\/g>\n<g transform=\"translate(340,316)\"><g class=\"z20-cw\"><use href=\"#z20i2\"\/><\/g><\/g>\n<g transform=\"translate(397,346)\"><g class=\"z20-cw\"><use href=\"#z20i2\"\/><\/g><\/g>\n\n<g transform=\"translate(220,395)\"><g class=\"z20-ccw\"><use href=\"#z20bk\"\/><\/g><\/g>\n<g transform=\"translate(300,395)\"><g class=\"z20-ccw\"><use href=\"#z20bk\"\/><\/g><\/g>\n<g transform=\"translate(380,395)\"><g class=\"z20-ccw\"><use href=\"#z20bk\"\/><\/g><\/g>\n<g transform=\"translate(460,395)\"><g class=\"z20-ccw\"><use href=\"#z20bk\"\/><\/g><\/g>\n\n<line x1=\"356\" y1=\"232\" x2=\"504\" y2=\"232\" class=\"z20-track\"\/>\n<circle cx=\"520\" cy=\"232\" r=\"16\" fill=\"none\" stroke=\"#D85A30\" stroke-width=\"0.8\" stroke-dasharray=\"3 2\"\/>\n<path d=\"M 440 222 L 480 222\" stroke=\"#D85A30\" stroke-width=\"1.5\" fill=\"none\" stroke-linecap=\"round\" marker-end=\"url(#z2a)\"\/>\n<text x=\"520\" y=\"208\" class=\"z20-t z20-acc\" text-anchor=\"middle\">\ube60\ub978 \ub864 \uad50\uccb4<\/text>\n\n<g class=\"z20-ro\"><g class=\"z20-ccw\"><use href=\"#z20wr\"\/><\/g><\/g>\n<\/svg>\n\n<div style=\"display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;margin-top:14px;font-size:12px;color:#444441;\">\n<div style=\"display:flex;align-items:center;gap:6px;\"><span style=\"display:inline-block;width:14px;height:14px;border-radius:50%;background:#888780;border:1px solid #2C2C2A;\"><\/span>\ubc31\ud0b9 \ubca0\uc5b4\ub9c1 \u00d7 8<\/div>\n<div style=\"display:flex;align-items:center;gap:6px;\"><span style=\"display:inline-block;width:14px;height:14px;border-radius:50%;background:#9FE1CB;border:1px solid #0F6E56;\"><\/span>2\ucc28 \uc911\uac04 \u00d7 6<\/div>\n<div style=\"display:flex;align-items:center;gap:6px;\"><span style=\"display:inline-block;width:14px;height:14px;border-radius:50%;background:#D3D1C7;border:1px solid #5F5E5A;\"><\/span>1\ucc28 \uc911\uac04 \ub2e8\uacc4 \u00d7 4<\/div>\n<div style=\"display:flex;align-items:center;gap:6px;\"><span style=\"display:inline-block;width:14px;height:14px;border-radius:50%;background:#B4B2A9;border:1px solid #444441;\"><\/span>\uc791\uc5c5\uc6a9 \ub864 2\uac1c (\uc778\ucd9c \uac00\ub2a5)<\/div>\n<div style=\"display:flex;align-items:center;gap:6px;\"><span style=\"display:inline-block;width:20px;height:4px;background:#534AB7;\"><\/span>\uc2a4\ud2b8\ub9bd(\uac00\uc5ed\uc2dd)<\/div>\n<\/div>\n\n<p style=\"text-align:center;font-size:11px;color:#5F5E5A;margin:10px 0 0;\">Z-Hi = 20-Hi \ud074\ub7ec\uc2a4\ud130 + \uce21\uba74 \uc778\ucd9c\uc2dd \uc791\uc5c5 \ub864 \u2014 \ubd84\ud574 \uc5c6\uc774 \uba87 \ubd84 \ub9cc\uc5d0 \ub864 \uad50\uccb4 \uac00\ub2a5<\/p>\n<\/div>\n\n\n\n<h2 id=\"h-what-d2-s-chemistry-actually-delivers-at-the-roll-surface\" class=\"wp-block-heading\">D2\uc758 \ud654\ud559 \uc131\ubd84\uc774 \ub864 \ud45c\uba74\uc5d0\uc11c \uc2e4\uc81c\ub85c \uc81c\uacf5\ud558\ub294 \ud6a8\uacfc\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ub0c9\uac04 \uc555\uc5f0\uc740 \uc2a4\ud2b8\ub9bd\uc774 \ub864 \uc0ac\uc774\ub97c \ud1b5\uacfc\ud560 \ub54c\ub9c8\ub2e4 \uadf9\uc2ec\ud55c \ud45c\uba74 \uc555\ub825\uc744 \uac00\ud569\ub2c8\ub2e4. \ub864\uc740 \uc7a5\uae30\uac04\uc758 \uc0dd\uc0b0 \uacf5\uc815 \ub3d9\uc548 \uce58\uc218 \uc815\ud655\ub3c4\ub97c \uc720\uc9c0\ud574\uc57c \ud560 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uc2a4\ud2b8\ub9bd \ud45c\uba74\uc758 \ub9c8\ubaa8\uc5d0\ub3c4 \uacac\ub38c\uc57c \ud558\ubbc0\ub85c, \uac15\uc7ac\ub294 \ub2e8\uc21c\ud788 \ub192\uc740 \uc778\uc131\ubcf4\ub2e4\ub294 \ub192\uc740 \uc555\ucd95 \uac15\ub3c4\uc640 \ub2e8\ub2e8\ud558\uace0 \uc548\uc815\uc801\uc778 \ubbf8\uc138 \uad6c\uc870\ub97c \uac00\uc838\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D2\ub294 \ubc14\ub85c \uadf8\ub7ec\ud55c \uc870\ud569\uc744 \uc704\ud574 \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uad6c\uc131 \uc131\ubd84\uc740 \ub300\ub7b5 \ud0c4\uc18c 1.5%\uc640 \ud06c\ub86c 11.5~12.0%\uc774\uba70, \uc18c\ub7c9\uc758 \ubab0\ub9ac\ube0c\ub374\uacfc \ubc14\ub098\ub4d0\uc774 \ucca8\uac00\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud654\ud559\uc801 \uc870\uc131\uc740 \uc5f4\ucc98\ub9ac\ub41c \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8 \uae30\uc9c0 \ub0b4\uc5d0 \uc870\ubc00\ud558\uace0 \ud06c\ub86c \ud568\ub7c9\uc774 \ub192\uc740 M7C3 \ud0c4\ud654\ubb3c\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. D2\uc758 \ub0b4\ub9c8\ubaa8\uc131\uc740 \ubc14\ub85c \uc774 \ud0c4\ud654\ubb3c \ub355\ubd84\uc785\ub2c8\ub2e4. \ud0c4\ud654\ubb3c\uc740 \ub864\uacfc \uc2a4\ud2b8\ub9bd \uc0ac\uc774\uc758 \uc9c0\uc18d\uc801\uc778 \ub9c8\ucc30\uc5d0\ub3c4 \ub864 \ud45c\uba74\uc774 \uc190\uc0c1\ub418\uc9c0 \uc54a\uc744 \ub9cc\ud07c \ucda9\ubd84\ud788 \ub2e8\ub2e8\ud569\ub2c8\ub2e4. \uc8fc\ubcc0\uc758 \uc5f4\ucc98\ub9ac\ub41c \uae30\uc9c0\ub294 \uc555\ucd95 \ud558\uc911\uc744 \uc9c0\uc9c0\ud558\uace0 \uc555\ub825 \ud558\uc5d0\uc11c\ub3c4 \ub864\uc758 \uce58\uc218 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac83\uc774 \ubc14\ub85c D2 \uac15\uc7ac\uac00 \uacf5\uae30 \uacbd\ud654\uac15\uc73c\ub85c \ubd84\ub958\ub418\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. D2 \uac15\uc7ac\ub294 \uc624\uc77c\uc774\ub098 \ubb3c\uc5d0 \ub2f4\uae08\uc9c8\ud558\ub294 \ub300\uc2e0 \uacf5\uae30 \ub2f4\uae08\uc9c8\ub85c \ub450\uaed8 \ubc29\ud5a5\uc73c\ub85c \uc644\uc804\ud55c \uacbd\ub3c4\ub97c \uc5bb\uae30 \ub54c\ubb38\uc5d0 \uc5f4\ucc98\ub9ac \uc911 \ubcc0\ud615\uc774 \uc801\uc2b5\ub2c8\ub2e4. D75mm \ub2e8\uba74\uc758 \uc815\ubc00 \uc5f0\uc0ad \ub864\uc758 \uacbd\uc6b0, \uacbd\ud654 \uacfc\uc815\uc5d0\uc11c\uc758 \uce58\uc218 \uc548\uc815\uc131\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \uc644\uc131\ub41c \ub864\uc774 \uc555\uc5f0 \uacf5\uc815\uc5d0 \ub4e4\uc5b4\uac00\uae30 \uc804\uae4c\uc9c0 \uc6d0\ud615\uc744 \uc720\uc9c0\ud558\uace0, \uc9c1\uc120\uc744 \uc720\uc9c0\ud558\uba70, \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704 \ub0b4\uc5d0 \uc788\ub3c4\ub85d \ud558\ub294 \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-sizing-and-hardness-in-practice\" class=\"wp-block-heading\">\uc2e4\uc81c \uc0ac\uc774\uc988 \ubc0f \uacbd\ub3c4 \uce21\uc815<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D2 \uac15\uc7ac\ub294 \ud074\ub7ec\uc2a4\ud130 \ubc00\uc5d0\uc11c \uc57d 6.4mm\uc5d0\uc11c \ucd5c\ub300 300mm\uc5d0 \uc774\ub974\ub294 \ub113\uc740 \uc9c1\uacbd \ubc94\uc704\ub97c \uc9c0\uc6d0\ud558\ubbc0\ub85c, \ub3d9\uc77c \uc2a4\ud0e0\ub4dc \ub0b4\uc5d0\uc11c \uc2ac\ub9bc\ud55c \uc791\uc5c5 \ub864\uacfc \ub2e4\uc18c \ud070 \uc911\uac04 \ub864 \ubaa8\ub450\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac \ubaa9\ud45c\ub294 \ub450 \ub864 \uac04\uc5d0 \uc57d\uac04\uc758 \ucc28\uc774\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc791\uc5c5 \ub864\uc740 \uc2a4\ud2b8\ub9bd\uc5d0 \uc9c1\uc811\uc801\uc778 \uc555\ucd95 \ud558\uc911\uc744 \ubc1b\uae30 \ub54c\ubb38\uc5d0 \uc77c\ubc18\uc801\uc73c\ub85c 58~64 HRC\ub85c \uacbd\ud654 \ucc98\ub9ac\ub429\ub2c8\ub2e4. \ubc18\uba74, \uc218\uba85 \ub3d9\uc548 \ub354 \ub9ce\uc740 \uc811\ucd09 \ud53c\ub85c\ub97c \uacaa\ub294 \uc911\uac04 \ub864\uacfc \uad6c\ub3d9 \ub864\uc740 \ub0b4\ub9c8\ubaa8\uc131\uacfc \ud53c\ub85c \uc218\uba85\uc758 \uade0\ud615\uc744 \ub9de\ucd94\uae30 \uc704\ud574 \uc77c\ubc18\uc801\uc73c\ub85c 58~62 HRC \ubc94\uc704\ub85c \uc57d\uac04 \ub354 \uc5f0\ud558\uac8c \ucc98\ub9ac\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uc218\uce58\ub4e4\uc740 \uc784\uc758\uc801\uc778 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4. \ud0c4\ud654\ubb3c \ud568\ub7c9\uc774 \ub192\uc740 \ub9c8\ub974\ud150\uc0ac\uc774\ud2b8\uac15\uc774 \ubc18\ubcf5\uc801\uc778 \ud5e4\ub974\uce20 \uc811\ucd09 \uc751\ub825 \ud558\uc5d0\uc11c \uc5b4\ub5bb\uac8c \uac70\ub3d9\ud558\ub294\uc9c0\uc5d0 \ub300\ud55c \uc2e4\uc9c8\uc801\uc778 \uc774\ud574\ub97c \ubc18\uc601\ud55c \uc218\uce58\uc774\uba70, \ubc14\ub85c \uc774\ub7ec\ud55c \uc774\ud574\uac00 \ub864 \ube14\ub7ad\ud06c\uac00 \uc0ac\uc591\ub300\ub85c \uc791\ub3d9\ud558\ub294\uc9c0 \uc544\ub2c8\uba74 \uc0ac\uc6a9 \ucd08\uae30\uc5d0 \ud30c\uc190\ub418\uac70\ub098 \ubc15\ub9ac\ub418\ub294\uc9c0\ub97c \uad6c\ubd84\ud558\ub294 \uae30\uc900\uc774 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-why-brittleness-stops-being-a-limitation-here\" class=\"wp-block-heading\">\ucde8\uc131\uc774 \ub354 \uc774\uc0c1 \uc81c\uc57d \uc694\uc18c\uac00 \ub418\uc9c0 \uc54a\ub294 \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D2\uc758 \uc54c\ub824\uc9c4 \uc57d\uc810\uc740 \uc778\uc131\uc785\ub2c8\ub2e4. \ub192\uc740 \ud0c4\ud654\ubb3c \ud568\ub7c9\uc73c\ub85c \ub0b4\ub9c8\ubaa8\uc131\uc774 \ub6f0\uc5b4\ub098\uc9c0\ub9cc, \uc774\ub85c \uc778\ud574 \uac15\ucca0 \ubaa8\uc11c\ub9ac\uac00 \ucde8\uc131\ud574\uc9c0\ub294 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c D2\ub294 \ub864 \ubcf8\uccb4\uac00 \uc804\uccb4 \uae38\uc774\uc5d0 \uac78\uccd0 \uad7d\ud798 \ubc0f \uc778\uc7a5 \uc751\ub825\uc744 \uacac\ub38c\uc57c \ud558\ub294 \uc77c\ubc18\uc801\uc778 \uc555\uc5f0\uae30\uc5d0\uc11c \uc194\ub9ac\ub4dc \ub864\ub85c \uac70\uc758 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 2\ub2e8 \ub610\ub294 4\ub2e8 \uc555\uc5f0\uae30\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ucde8\uc131\uc774 \uc2ec\uac01\ud55c \ub2e8\uc810\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud074\ub7ec\uc2a4\ud130 \ubc00\uc758 \uae30\ud558\ud559\uc801 \uad6c\uc870\ub294 \ubb38\uc81c\ub97c \uc6b0\ud68c\ud558\ub294 \ub300\uc2e0 \uadfc\ubcf8\uc801\uc778 \ud574\uacb0\ucc45\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4. \ubc31\uc5c5 \ub864\uc774 \uc555\uc5f0\ub825\uc758 \uc218\uc9c1 \ubc0f \uc218\ud3c9 \uc131\ubd84\uc744 \ubaa8\ub450 \ud761\uc218\ud558\uae30 \ub54c\ubb38\uc5d0 \uc791\uc5c5 \ub864 \uc790\uccb4\ub294 \ud718\uc5b4\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc791\uc5c5 \ub864\uc740 \uc911\uac04 \ub864 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc758\ud574 \uae38\uc774 \ubc29\ud5a5\uc73c\ub85c \uc644\uc804\ud788 \uc9c0\uc9c0\ub41c \uc21c\uc218 \uc555\ucd95 \uc0c1\ud0dc\uc5d0 \ub193\uc785\ub2c8\ub2e4. \ud558\uc911 \uacbd\ub85c\uc5d0\uc11c \uad7d\ud798 \ubc0f \uc778\uc7a5 \uc751\ub825\uc744 \uac70\uc758 \ubaa8\ub450 \uc81c\uac70\ud568\uc73c\ub85c\uc368 D2\uc758 \ucde8\uc131\uc740 \ub354 \uc774\uc0c1 \uc124\uacc4 \uc704\ud5d8 \uc694\uc18c\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub0a8\uc740 \uac83\uc740 D2\uac00 \ud56d\uc0c1 \uac00\uc7a5 \uac15\uc810\uc744 \ubcf4\uc600\ub358 \ud2b9\uc131, \uc989 \uc555\ucd95 \ud558\uc911 \ud558\uc5d0\uc11c \ub9c8\ubaa8\uc5d0 \uac15\ud558\uace0 \uacbd\ub3c4\ub97c \uc720\uc9c0\ud558\ub294 \ub2a5\ub825\uc785\ub2c8\ub2e4. \uc13c\uc9c0\ubbf8\ub974 \uc124\uacc4\uc640 \uc57c\uae08\ud559\uc740 \uc0ac\uc2e4\uc0c1 \uc11c\ub85c\ub97c \uc704\ud574 \ub9cc\ub4e4\uc5b4\uc9c4 \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 id=\"h-specifying-d2-bar-for-roll-manufacturing\" class=\"wp-block-heading\">\ub864 \uc81c\uc870\uc6a9 D2 \ucca0\uadfc \uc0ac\uc591<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7ec\ud55c \uc6a9\ub3c4\ub85c D2 \ubd09\uac15\uc744 \uc8fc\ubb38\ud558\ub294 \uc81c\ucca0\uc18c \ub864 \uc81c\uc870\uc5c5\uccb4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ubc15\ud53c \ubc0f \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc6d0\ud615 \ubd09\uac15\uc744 \uc9c0\uc815\ud569\ub2c8\ub2e4. \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub294 \ucd5c\uc885 \ub2f4\uae08\uc9c8 \ubc0f \ud15c\ud37c\ub9c1 \uacf5\uc815\uc744 \uc790\uccb4\uc801\uc73c\ub85c \uc218\ud589\ud558\uae30 \uc804\uc5d0 \ub864 \uac00\uacf5\uc5d0 \uc801\ud569\ud55c \ucd08\uae30 \uacbd\ub3c4\ub97c \uc81c\uacf5\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubd09\uac15 \uc9c1\uacbd\uc740 \uc5f4\ucc98\ub9ac \ud6c4 \ub9c8\ubb34\ub9ac \uac00\uacf5 \ubc0f \uc5f0\uc0ad\uc744 \uc704\ud55c \ucda9\ubd84\ud55c \uc5ec\uc720\ub97c \ub0a8\uaca8\ub450\ub3c4\ub85d \uc124\uc815\ub418\uba70, \ubc15\ud53c\uba74\uc758 \uce58\uc218 \uacf5\ucc28\ub294 \uc77c\ubc18\uc801\uc778 \uacf5\uad6c \ubc0f \uae08\ud615 \uc791\uc5c5\ubcf4\ub2e4 \ud6e8\uc52c \uc911\uc694\ud569\ub2c8\ub2e4. \uc774\ub294 \ub864 \uac00\uacf5 \uc5c5\uccb4\uac00 \uacbd\ud654 \uc804\uc5d0 \uc81c\uac70\ud574\uc57c \ud558\ub294 \uc7ac\ub8cc\uc758 \uc591\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">EU\ub85c \uc81c\ud488\uc744 \ubc30\uc1a1\ud558\ub294 \uacf5\uae09\uc5c5\uccb4\uc758 \uacbd\uc6b0, \ub864 \uc81c\uc870\uc5c5\uccb4\uac00 \uac00\ub298\uace0 \uace0\uac00\uc758 \ub864 \ube14\ub7ad\ud06c\uc5d0 \ub300\ud55c \uacbd\ud654 \uacf5\uc815\uc5d0 \ubd09\uc7ac\ub97c \ud22c\uc785\ud558\uae30 \uc804\uc5d0 \ucd94\uc801 \uac00\ub2a5\ud55c \ubb38\uc11c\uac00 \ud544\uc694\ud558\uae30 \ub54c\ubb38\uc5d0 \ud654\ud559 \uc870\uc131, \uacbd\ub3c4 \ubc0f \uae08\uc18d \uc870\uc9c1 \uc0c1\ud0dc\ub97c \ub2e4\ub8e8\ub294 EN 10204 3.1\uc5d0 \ub530\ub978 \ubc00 \ud14c\uc2a4\ud2b8 \uc778\uc99d\uc11c\ub294 \uc774\ub7ec\ud55c \uc720\ud615\uc758 \uc8fc\ubb38\uc5d0 \ub300\ud55c \ud45c\uc900 \uc694\uad6c \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1015\" height=\"500\" src=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/IMG_20220112_102015.png\" alt=\"\" class=\"wp-image-16803\" srcset=\"https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/IMG_20220112_102015.png 1015w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/IMG_20220112_102015-300x148.png 300w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/IMG_20220112_102015-768x378.png 768w, https:\/\/aobosteel.com\/wp-content\/uploads\/2026\/07\/IMG_20220112_102015-18x9.png 18w\" sizes=\"auto, (max-width: 1015px) 100vw, 1015px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Aobo Steel\uc740 EN 10204 3.1 \ubb38\uc11c\ub97c \ubcf4\uc720\ud55c \ud611\ub825\uc0ac\ub97c \ud1b5\ud574 \ub0c9\uac04 \uc555\uc5f0 \ub864 \uc0dd\uc0b0\uc6a9 D2\/1.2379 \uc6d0\ud615 \ubd09\uac15\uc744 \ubc15\ud53c \ubc0f \uc5b4\ub2d0\ub9c1 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\ub85c \uacf5\uae09\ud558\uba70, \uc720\ub7fd \ud56d\uad6c\uae4c\uc9c0 CIF \uc870\uac74\uc73c\ub85c \ubc30\uc1a1\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. Sendzimir \ubc0f \uae30\ud0c0 \ud074\ub7ec\uc2a4\ud130 \ubc00 \uc801\uc6a9 \ubd84\uc57c\uc758 \ub4f1\uae09 \uc120\ud0dd \ub610\ub294 \ubd09\uac15 \uc0ac\uc591 \uad00\ub828 \uae30\uc220\uc801\uc778 \ubb38\uc758 \uc0ac\ud56d\uc740 \ub2f9\uc0ac\uc758 D2 \uacf5\uad6c\uac15 \uacf5\uae09\uc5c5\uccb4 \ud398\uc774\uc9c0\ub97c \ud1b5\ud574 \uc5f0\ub77d\ud574 \uc8fc\uc2ed\uc2dc\uc624.<\/p>","protected":false},"excerpt":{"rendered":"<p>Why AISI D2 Tool Steel Is the Standard Choice for Sendzimir Cluster Mill Work Rolls Cold rolling mills that use a Sendzimir configuration, commonly called 20-High or Z-Hi cluster mills, are built around one core design decision: the work rolls are made deliberately small in diameter. A smaller work roll lowers the rolling force needed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":17016,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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