{"id":19291,"date":"2026-09-19T07:35:21","date_gmt":"2026-09-18T23:35:21","guid":{"rendered":"https:\/\/aobosteel.com\/?page_id=19291"},"modified":"2026-10-22T12:10:53","modified_gmt":"2026-10-22T04:10:53","slug":"minimum-thickness-for-hardness-testing","status":"publish","type":"page","link":"https:\/\/aobosteel.com\/ko\/minimum-thickness-for-hardness-testing\/","title":{"rendered":"\uacf5\uad6c\uac15 \uacbd\ub3c4 \uc2dc\ud5d8\uc744 \uc704\ud55c \ucd5c\uc18c \ub450\uaed8"},"content":{"rendered":"

\uacf5\uad6c\uac15 \uacbd\ub3c4 \uc2dc\ud5d8\uc744 \uc704\ud55c \ucd5c\uc18c \ub450\uaed8<\/h1>\n\n\n\n

\uacbd\ub3c4 \uc2dc\ud5d8\uc740 \uc555\uc785\uc790\ub97c \ubd80\ud488\uc5d0 \ub20c\ub7ec \ub123\uc73c\uba70, \uc555\ud754 \uc8fc\ubcc0\uc758 \uc7ac\ub8cc\ub3c4 \ud568\uaed8 \ubcc0\ud615\ub429\ub2c8\ub2e4. \ubd80\ud488\uc774 \ud558\uc911\uc5d0 \ube44\ud574 \ub108\ubb34 \uc587\uc73c\uba74 \uce21\uc815\uac12\uc740 \ub354 \uc774\uc0c1 \ud574\ub2f9 \uc7ac\ub8cc\uc758 \uacbd\ub3c4\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc774 \ud398\uc774\uc9c0\ub294 \uac01 \ub85d\uc6f0 \ubc0f \ube0c\ub9ac\ub12c \ud558\uc911\uc5d0 \ub300\ud574 \uacf5\ud45c\ub41c \ub450\uaed8 \ud55c\uacc4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud55c\uacc4\uc758 \uadfc\uac70\uac00 \ub418\ub294 \uaddc\uce59<\/h2>\n\n\n\n

\uc774 \ud45c\ub294 \ub2e4\uc774\uc544\ubaac\ub4dc \uc555\uc785\uc790\uc758 \uacbd\uc6b0 \uc555\ud754 \uae4a\uc774\uc758 \ucd5c\uc18c 10\ubc30, \uad6c\ud615 \uc555\uc785\uc790\uc758 \uacbd\uc6b0 15\ubc30 \ub450\uaed8\ub97c \ub530\ub985\ub2c8\ub2e4. \uacf5\ud45c\ub41c \uac12\uc740 \uc800\ud0c4\uc18c\uac15\uacfc \ub2f4\uae08\uc9c8 \ubc0f \ub728\uc784\ub41c \uc2a4\ud2b8\ub9bd \uac15\uc5d0\uc11c \ud655\ub9bd\ub41c \uac83\uc774\ubbc0\ub85c, \uc774\ub860\uc801 \ud55c\uacc4\ub77c\uae30\ubcf4\ub2e4 \uc2dc\ud5d8 \ub370\uc774\ud130\ub85c \uac80\uc99d\ub41c \uc9c0\uce68\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c\uc900 \uc2a4\ucf00\uc77c\uc5d0\uc11c \ub85d\uc6f0 1\uc218\uce58\ub294 \uae4a\uc774 0.002 mm, \ud45c\uba74 \uc2a4\ucf00\uc77c\uc5d0\uc11c\ub294 0.001 mm\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c 60 HRC \ud310\ub3c5\uac12\uc740 \uc555\uc785\uc790\uac00 \uacbd\ud558\uc911\uacfc \uc8fc\ud558\uc911 \uc0ac\uc774\uc5d0\uc11c \ubd80\ud488 \uc18d\uc73c\ub85c 0.08 mm \ub4e4\uc5b4\uac14\ub2e4\ub294 \uc758\ubbf8\uc774\uba70, \uc544\ub798 \ud55c\uacc4\ub294 \uac01 \uc2a4\ucf00\uc77c\uc5d0 \ub300\ud574 \uc774 \uacc4\uc0b0\uc744 \uc801\uc6a9\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c\uc758 \ub9c8\uc9c0\ub9c9 \ud589\ubcf4\ub2e4 \uc587\uc740 \uc7ac\ub8cc\ub294 \ubbf8\uc138\uc555\uc785 \ubc29\ubc95\uc73c\ub85c \uc2dc\ud5d8\ud574\uc57c \ud569\ub2c8\ub2e4. \ube44\ucee4\uc2a4 \uc555\uc785\uc790\uc758 \uacbd\uc6b0 \uacf5\uc791\ubb3c\uc740 \uc555\ud754 \ub300\uac01\uc120\uc758 \ucd5c\uc18c 1.5\ubc30 \ub450\uaed8\uc774\uc5b4\uc57c \ud558\uba70, \ub204\ud504 \uc555\uc785\uc790\uc758 \uacbd\uc6b0 \uae34 \ub300\uac01\uc120\uc758 \ucd5c\uc18c \uc808\ubc18\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uccab \ubc88\uc9f8 \uc2dc\ud5d8 \ud6c4 \uc555\ud754 \ubc14\ub85c \uc544\ub798 \uba74\uc744 \uac80\uc0ac\ud558\uc2ed\uc2dc\uc624. \ubc11\uba74\uc758 \uc735\uae30\ub098 \uc790\uad6d\uc740 \uc564\ube4c \ud6a8\uacfc\ub85c, \ud574\ub2f9 \ud558\uc911\uc5d0 \ube44\ud574 \ubd80\ud488\uc774 \ub108\ubb34 \uc587\ub2e4\ub294 \uc758\ubbf8\uc774\ubbc0\ub85c \ub2e4\uc74c\uc73c\ub85c \uac00\ubcbc\uc6b4 \uc2a4\ucf00\uc77c\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc564\ube4c \ud45c\uba74\uc774 \uc190\uc0c1\ub418\uba74 \uc774\ud6c4 \ud310\ub3c5\uac12\uc774 \ub0ae\uc544\uc9c0\ubbc0\ub85c \uc564\ube4c\ub3c4 \uac80\uc0ac\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

\ub450\uaed8\ub97c \ub9cc\ub4e4\uae30 \uc704\ud574 \uc587\uc740 \uc2dc\ud3b8\uc744 \uacb9\uce58\ub294 \uac83\uc740 \uc870\uac01\ub4e4\uc774 \uc11c\ub85c \ubbf8\ub044\ub7ec\uc9c0\ubbc0\ub85c \ud5c8\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub458 \uc774\uc0c1\uc758 \uc2a4\ucf00\uc77c\uc774 \uc5ec\uc804\ud788 \uc801\ud569\ud55c \uacbd\uc6b0, \ub354 \ud070 \uc555\ud754\uc774 \uc7ac\ub8cc\ub97c \ub354 \ub9ce\uc774 \ud3ec\ud568\ud558\uace0 \ubd80\ud488\uc744 \ub354 \uc798 \ub300\ud45c\ud558\ub294 \uac12\uc744 \ubc18\ud658\ud558\ubbc0\ub85c \ub354 \ubb34\uac70\uc6b4 \ud558\uc911\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

\uac01 \ub450\uaed8\uc5d0\uc11c \ub85d\uc6f0 \uc2dc\ud5d8\uc744 \uc704\ud55c \ucd5c\uc18c \uacbd\ub3c4<\/h2>\n\n\n\n

\ubd80\ud488 \ub450\uaed8\uc5d0 \ud574\ub2f9\ud558\ub294 \ud589\uc744 \uc77d\uc73c\uc2ed\uc2dc\uc624. \ubd80\ud488\uc774 \ud574\ub2f9 \uc5f4\uc758 \uac12\ubcf4\ub2e4 \uacbd\ub3c4\uac00 \ub192\uc73c\uba74 \ud574\ub2f9 \uc2a4\ucf00\uc77c\uacfc \ud558\uc911\uc744 \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc73c\ubbc0\ub85c \ub2e4\uc74c\uc73c\ub85c \uac00\ubcbc\uc6b4 \uc2a4\ucf00\uc77c\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub450\uaed8
mm<\/th>		\ub450\uaed8
\uc548\uc5d0.<\/th>		A
60 kgf<\/th>		D
100 kgf<\/th>		C
150 kgf<\/th>		15N
15 kgf<\/th>		30N
30 kgf<\/th>		45N
45 kgf<\/th><\/tr><\/thead>
0.127<\/td>0.005<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td><\/tr>
0.152<\/td>0.006<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>92<\/td>\u2026<\/td>\u2026<\/td><\/tr>
0.203<\/td>0.008<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>90<\/td>\u2026<\/td>\u2026<\/td><\/tr>
0.254<\/td>0.010<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>88<\/td>\u2026<\/td>\u2026<\/td><\/tr>
0.305<\/td>0.012<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>83<\/td>82<\/td>77<\/td><\/tr>
0.356<\/td>0.014<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>76<\/td>78.5<\/td>74<\/td><\/tr>
0.381<\/td>0.015<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td><\/tr>
0.406<\/td>0.016<\/td>86<\/td>\u2026<\/td>\u2026<\/td>68<\/td>74<\/td>72<\/td><\/tr>
0.457<\/td>0.018<\/td>84<\/td>\u2026<\/td>\u2026<\/td>(a)<\/td>66<\/td>68<\/td><\/tr>
0.508<\/td>0.020<\/td>82<\/td>77<\/td>\u2026<\/td>(a)<\/td>57<\/td>63<\/td><\/tr>
0.559<\/td>0.022<\/td>78<\/td>75<\/td>69<\/td>(a)<\/td>47<\/td>58<\/td><\/tr>
0.610<\/td>0.024<\/td>76<\/td>72<\/td>67<\/td>(a)<\/td>(a)<\/td>51<\/td><\/tr>
0.635<\/td>0.025<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>(a)<\/td>(a)<\/td>\u2026<\/td><\/tr>
0.660<\/td>0.026<\/td>71<\/td>68<\/td>65<\/td>(a)<\/td>(a)<\/td>37<\/td><\/tr>
0.711<\/td>0.028<\/td>67<\/td>63<\/td>62<\/td>(a)<\/td>(a)<\/td>20<\/td><\/tr>
0.762<\/td>0.030<\/td>60<\/td>58<\/td>57<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr>
0.813<\/td>0.032<\/td>(a)<\/td>51<\/td>52<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr>
0.864<\/td>0.034<\/td>(a)<\/td>43<\/td>45<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr>
0.889<\/td>0.035<\/td>\u2026<\/td>\u2026<\/td>\u2026<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr>
0.914<\/td>0.036<\/td>(a)<\/td>(a)<\/td>37<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr>
0.965<\/td>0.038<\/td>(a)<\/td>(a)<\/td>28<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr>
1.016<\/td>0.040<\/td>(a)<\/td>(a)<\/td>20<\/td>(a)<\/td>(a)<\/td>(a)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98: ASM Handbook, Vol. 8, \ud45c\uc900 \ubc0f \ud45c\uba74 \ub85d\uc6f0 \uacbd\ub3c4 \uc2dc\ud5d8\uae30\ub85c \ub2e4\uc591\ud55c \ub450\uaed8\uc758 \uae08\uc18d\uc744 \uc2dc\ud5d8\ud558\uae30 \uc704\ud55c \ucd5c\uc18c \uacf5\uc791 \uae08\uc18d \uacbd\ub3c4 \uac12. (a)\ub294 \ub3d9\uc77c\ud558\uac70\ub098 \ub354 \ud070 \ub450\uaed8\uc758 \uae08\uc18d\uc5d0 \ub300\ud55c \ucd5c\uc18c \uacbd\ub3c4\uac00 \uc5c6\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc6d0\ubcf8 \ud45c\uc5d0\ub294 \uad6c\ud615 \uc555\uc785\uc790 \uc5f4(B, F, G, 15T, 30T \ubc0f 45T \uc2a4\ucf00\uc77c)\ub3c4 \ud3ec\ud568\ub418\uc5b4 \uc788\uc73c\uba70, \uc774\ub294 \uad6c\ub9ac \ubc0f \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uacfc \uac19\uc740 \uc5f0\uc9c8 \uae08\uc18d\uc5d0 \uc801\uc6a9\ub418\ubbc0\ub85c \uc5ec\uae30\uc5d0 \uc7ac\ud604\ud558\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\uc587\uc740 \uacbd\ud654 \uc2a4\ud2b8\ub9bd\uc5d0 \ub300\ud55c \uacc4\uc0b0 \uc608<\/h2>\n\n\n\n

\uacbd\ud654\ub41c \uc587\uc740 \ub2e8\uba74\uc744 \uc5b4\ub290 \uc2a4\ucf00\uc77c\ub85c \uc2dc\ud5d8\ud560 \uc218 \uc788\ub294\uc9c0 \uacb0\uc815\ud558\ub294 \uc0ac\ub840\ub294 63 HRC\uc758 0.36 mm(0.014 in.) \uacf5\uad6c\uac15 \uc2a4\ud2b8\ub9bd\uc73c\ub85c, \uc774\ub294 C \uc2a4\ucf00\uc77c\uc5d0 \ube44\ud574 \ub108\ubb34 \uc587\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

63 HRC \uac12\uc740 \uc720\ud6a8\ud55c C \uc2a4\ucf00\uc77c \uc2dc\ud5d8\uc744 \uc704\ud574 \uc57d 0.71 mm(0.028 in.)\uc758 \ub450\uaed8\uac00 \ud544\uc694\ud558\ubbc0\ub85c \ud574\ub2f9 \uc2a4\ud2b8\ub9bd\uc740 \uc774 \uc2a4\ucf00\uc77c\ub85c \uc2dc\ud5d8\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ud45c\uba74 \uc2a4\ucf00\uc77c\ub85c \ud658\uc0b0\ud558\uba74 63 HRC\ub294 \uc57d 69.9 HR45N, 80.1 HR30N \ubc0f 91.4 HR15N\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

45N \uc2a4\ucf00\uc77c\uc740 \uc81c\uc678\ub429\ub2c8\ub2e4. \ud45c\uc5d0\uc11c \ud574\ub2f9 \ub450\uaed8\uc5d0 \ucd5c\uc18c 74 HR45N\uc744 \uc694\uad6c\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. 30N \uc2a4\ucf00\uc77c\uc740 \ucd5c\uc18c 80 HR30N\uc744, 15N \uc2a4\ucf00\uc77c\uc740 \ucd5c\uc18c 76 HR15N\uc744 \uc694\uad6c\ud558\ubbc0\ub85c \ub458 \uc911 \ud558\ub098\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub458 \uc911\uc5d0\uc11c\ub294 30N\uc774 \ub354 \ub098\uc740 \uc120\ud0dd\uc785\ub2c8\ub2e4. \uacbd\uc9c8 \uac15 \ubc94\uc704\uc5d0\uc11c 30N \uc2a4\ucf00\uc77c\uc758 \uacbd\ub3c4 1\ud3ec\uc778\ud2b8\ub294 15N \uc2a4\ucf00\uc77c\uc758 \uc57d 0.5\ud3ec\uc778\ud2b8\uc5d0 \ud574\ub2f9\ud558\ubbc0\ub85c 30N \uc2a4\ucf00\uc77c\uc774 \uc791\uc740 \ucc28\uc774\ub97c \ub354 \uc798 \uad6c\ubd84\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ube0c\ub9ac\ub12c \uc2dc\ud5d8\uc744 \uc704\ud55c \ucd5c\uc18c \ub450\uaed8<\/h2>\n\n\n\n

\ube0c\ub9ac\ub12c \uad6c\ub294 \ub85d\uc6f0 \uc555\uc785\uc790\ubcf4\ub2e4 \ub354 \ud06c\uace0 \uae4a\uc740 \uc555\ud754\uc744 \ub0a8\uae30\ubbc0\ub85c \ub450\uaed8 \ud55c\uacc4\uc5d0 \ub354 \ube68\ub9ac \ub3c4\ub2ec\ud569\ub2c8\ub2e4. \uc774 \ud45c\ub294 10 mm \uad6c\ub85c \ub450 \uac00\uc9c0 \uc2dc\ud3b8 \ub450\uaed8\uc5d0\uc11c \uc548\uc804\ud558\uac8c \uc2dc\ud5d8\ud560 \uc218 \uc788\ub294 \ucd5c\uc18c \uacbd\ub3c4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ucd5c\uc18c \ub450\uaed8
mm<\/th>		\ucd5c\uc18c \ub450\uaed8
\uc548\uc5d0.<\/th>		3000kgf
load<\/th>		1500 kgf
load<\/th>		500 kgf
load<\/th><\/tr><\/thead>
1.6<\/td>0.0625<\/td>602<\/td>301<\/td>100<\/td><\/tr>
3.2<\/td>0.125<\/td>301<\/td>150<\/td>50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucd9c\ucc98: ASM Handbook, Vol. 8, \ube0c\ub9ac\ub12c \uacbd\ub3c4 \uc2dc\ud5d8\uc744 \uc704\ud55c \ucd5c\uc18c \ub450\uaed8 \uc694\uad6c \uc0ac\ud56d. \uc2dc\ud3b8\uc740 \uc555\ud754 \uae4a\uc774\uc758 \ucd5c\uc18c 10\ubc30 \ub450\uaed8\uc774\uc5b4\uc57c \ud558\uba70, 3000 kgf\uc5d0\uc11c 300 HB \ud310\ub3c5\uac12\uc758 \uacbd\uc6b0 3.2 mm(0.125 in.)\uc785\ub2c8\ub2e4. 375 HB(\uc57d 40 HRC)\ub97c \ucd08\uacfc\ud558\ub294 \uc7ac\ub8cc\ub294 \ub85d\uc6f0 C \uc2a4\ucf00\uc77c \ub610\ub294 \ube44\ucee4\uc2a4\ub85c \uc774\ub3d9\ud569\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\uacf5\uad6c\uac15\uc5d0\uc11c \ud55c\uacc4\uac00 \uc911\uc694\ud55c \uacbd\uc6b0<\/h2>\n\n\n\n

\ub098\uc774\ud504 \uc2a4\ud1a1, \uc2ac\ub9ac\ud130 \ub098\uc774\ud504, \uc2ec \ub2e4\uc774 \ubc0f \ud1b1\ub0a0\uc740 \uacbd\ud654\ub41c \uc587\uc740 \uc0c1\ud0dc\ub85c \uc785\uace0\ub429\ub2c8\ub2e4. C \uc2a4\ucf00\uc77c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub9c8\uc9c0\ub9c9 \uc5f0\uc0ad \uc5ec\uc720\uc5d0\uc11c \uc81c\uc678\ub418\uba70, \ud45c\uba74 N \uc2a4\ucf00\uc77c\uc774 \uc720\ud6a8\ud558\uac8c \uc720\uc9c0\ub418\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub3d9\uc77c\ud55c \ub450\uaed8 \ub17c\ub9ac\uac00 \uc9c8\ud654 \ub610\ub294 \uace0\uc8fc\ud30c \ub2f4\uae08\uc9c8 \uce35\uc5d0\ub3c4 \uc801\uc6a9\ub429\ub2c8\ub2e4. \ucf00\uc774\uc2a4\ub97c \uad00\ud1b5\ud558\ub294 \ud558\uc911\uc740 \uc2ec\ubd80 \uacbd\ub3c4\ub97c \ud310\ub3c5\ud558\ubbc0\ub85c \uac12\uc774 \ub0ae\uac8c \ub098\uc635\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud310\ub3c5\uac12\uc740 \uc804\ub2e8 \ub610\ub294 \ub808\uc774\uc800 \uc808\ub2e8 \uac00\uc7a5\uc790\ub9ac\uc5d0\uc11c \ub5a8\uc5b4\uc9c4 \uc5f0\uc0ad \ud3c9\uba74\uc5d0\uc11c, \uadf8\ub9ac\uace0 \ud0c8\ud0c4\uce35 \uc544\ub798\uc758 \uc7ac\ub8cc\uc5d0\uc11c \uce21\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \ud45c\uba74\uc744 \uac00\uc5f4\ud558\uac70\ub098 \ub0c9\uac04 \uac00\uacf5\ud558\ub294 \ud45c\uba74 \uc900\ube44\ub294 \ubc18\ud658\ub418\ub294 \uac12\uc744 \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacbd\ub3c4 \uac12\uc744 \uc81c\uc2dc\ud558\uae30 \uc804\uc5d0<\/h2>\n\n\n\n

\uc774 \ud398\uc774\uc9c0\uc758 \ud55c\uacc4\ub294 \uae68\ub057\ud558\uace0 \ud3c9\ud3c9\ud558\uba70 \ud3c9\ud589\ud55c \uc2dc\ud3b8\uc744 \uac00\uc815\ud569\ub2c8\ub2e4. \ubc18\uacbd, \ubc84, \uc804\ub2e8 \uac00\uc7a5\uc790\ub9ac \ub610\ub294 \uc190\uc0c1\ub41c \uc564\ube4c\uc740 \ubaa8\ub450 \uacb0\uacfc\ub97c \ubcc0\ud654\uc2dc\ud0a4\uba70, \uc774\ub7ec\ud55c \ud6a8\uacfc \uc911 \uac00\uc7a5 \uc791\uc740 \uac83\ub3c4 \uc2dc\ud5d8 \uc790\uccb4\uc758 \uacf5\ucc28\ubcf4\ub2e4 \ud07d\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uac12\uc740 \uacf5\ud45c\ub41c \ucc38\uc870 \ub370\uc774\ud130\uc785\ub2c8\ub2e4. \uc790\uccb4 \uc81c\ud488\uc744 \uaddc\uc815\ud558\ub294 \ud45c\uc900\uc5d0 \ub530\ub77c \ud5c8\uc6a9 \uae30\uc900, \uc2a4\ucf00\uc77c \ubc0f \uc2dc\ud5d8 \uc704\uce58\ub97c \ud655\uc778\ud558\uace0, \uc120\ud0dd\ud55c \uc2a4\ucf00\uc77c\uc758 \uc720\ud6a8 \ubc94\uc704 \ub0b4\uc5d0\uc11c \ud310\ub3c5\uac12\uc744 \uc720\uc9c0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

\uc774 \uc0ac\uc774\ud2b8\uc758 \uad00\ub828 \ucc38\uc870 \ud398\uc774\uc9c0: \ud658\ubd09\uc6a9 \uacbd\ub3c4 \uc2dc\ud5d8 \ubcf4\uc815 \uacc4\uc218<\/a>, \uacbd\ub3c4 \uc2dc\ud5d8 \ubc29\ubc95<\/a>, \uacf5\uad6c\uac15 \uacbd\ub3c4 \ud658\uc0b0 \uacc4\uc0b0\uae30<\/a>, \uacf5\uad6c\uac15 \ud488\uc9c8 \uac80\uc99d<\/a>, \uacf5\uad6c\uac15 \uacf5\uae09<\/a>.<\/p>\n\n\n\n

\ucd9c\ucc98: ASM Handbook, Volume 8, Mechanical Testing and Evaluation (ASM International), Edward L. Tobolski(Wilson Instruments Division, Instron Corporation) \ubc0f Andrew Fee(\ucee8\uc124\ud134\ud2b8)\uc758 \ub17c\ubb38 Macroindentation Hardness Testing, Andrew Fee(\ucee8\uc124\ud134\ud2b8)\uc758 \ub17c\ubb38 Selection and Industrial Applications of Hardness Tests. \uac12\uc740 \ucc38\uc870\uc6a9\uc73c\ub85c\ub9cc \uc7ac\ud604\ub418\uc5c8\uc2b5\ub2c8\ub2e4. Aobo Steel\uc740 \ud480\ub9bc \uc0c1\ud0dc\uc758 \uacf5\uad6c\uac15\uc744 \uacf5\uae09\ud569\ub2c8\ub2e4.<\/em><\/p>","protected":false},"excerpt":{"rendered":"

Minimum Thickness for Hardness Testing Tool Steel A hardness test presses an indenter into the part, and the material around the indentation is deformed with it. If the part is too thin for the load, the reading is no longer the hardness of the material. This page carries the published thickness limits for each Rockwell […]<\/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":"default","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-19291","page","type-page","status-publish","hentry"],"yoast_head":"\nMinimum Thickness for Hardness Testing | Aobo Steel<\/title>\n<meta name=\"description\" content=\"Minimum workpiece thickness for Rockwell and Brinell hardness testing at each scale and load, with the worked example for a 0.36 mm hardened tool steel strip.\" \/>\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\/minimum-thickness-for-hardness-testing\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Minimum Thickness for Hardness Testing Tool Steel\" \/>\n<meta property=\"og:description\" content=\"Minimum workpiece thickness for Rockwell and Brinell hardness testing at each scale and load, with the worked example for a 0.36 mm hardened tool steel strip.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/aobosteel.com\/ko\/minimum-thickness-for-hardness-testing\/\" \/>\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=\"2026-10-22T04:10:53+00:00\" \/>\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=\"5\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/\"},\"author\":{\"name\":\"Evan\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#\\\/schema\\\/person\\\/96118415c30ca6bb52eaf1127b052ef7\"},\"headline\":\"Minimum Thickness for Hardness Testing Tool Steel\",\"datePublished\":\"2026-09-18T23:35:21+00:00\",\"dateModified\":\"2026-10-22T04:10:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/\"},\"wordCount\":1068,\"publisher\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#organization\"},\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/\",\"url\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/\",\"name\":\"Minimum Thickness for Hardness Testing | Aobo Steel\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/#website\"},\"datePublished\":\"2026-09-18T23:35:21+00:00\",\"dateModified\":\"2026-10-22T04:10:53+00:00\",\"description\":\"Minimum workpiece thickness for Rockwell and Brinell hardness testing at each scale and load, with the worked example for a 0.36 mm hardened tool steel strip.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/aobosteel.com\\\/minimum-thickness-for-hardness-testing\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/aobosteel.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Minimum Thickness for Hardness Testing Tool Steel\"}]},{\"@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\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Minimum Thickness for Hardness Testing | Aobo Steel","description":"Minimum workpiece thickness for Rockwell and Brinell hardness testing at each scale and load, with the worked example for a 0.36 mm hardened tool steel strip.","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\/minimum-thickness-for-hardness-testing\/","og_locale":"ko_KR","og_type":"article","og_title":"Minimum Thickness for Hardness Testing Tool Steel","og_description":"Minimum workpiece thickness for Rockwell and Brinell hardness testing at each scale and load, with the worked example for a 0.36 mm hardened tool steel strip.","og_url":"https:\/\/aobosteel.com\/ko\/minimum-thickness-for-hardness-testing\/","og_site_name":"AoboSteel","article_publisher":"https:\/\/www.facebook.com\/profile.php?id=61565368220197","article_modified_time":"2026-10-22T04:10:53+00:00","twitter_card":"summary_large_image","twitter_misc":{"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04":"5\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/#article","isPartOf":{"@id":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/"},"author":{"name":"Evan","@id":"https:\/\/aobosteel.com\/#\/schema\/person\/96118415c30ca6bb52eaf1127b052ef7"},"headline":"Minimum Thickness for Hardness Testing Tool Steel","datePublished":"2026-09-18T23:35:21+00:00","dateModified":"2026-10-22T04:10:53+00:00","mainEntityOfPage":{"@id":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/"},"wordCount":1068,"publisher":{"@id":"https:\/\/aobosteel.com\/#organization"},"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/","url":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/","name":"Minimum Thickness for Hardness Testing | Aobo Steel","isPartOf":{"@id":"https:\/\/aobosteel.com\/#website"},"datePublished":"2026-09-18T23:35:21+00:00","dateModified":"2026-10-22T04:10:53+00:00","description":"Minimum workpiece thickness for Rockwell and Brinell hardness testing at each scale and load, with the worked example for a 0.36 mm hardened tool steel strip.","breadcrumb":{"@id":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/aobosteel.com\/minimum-thickness-for-hardness-testing\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/aobosteel.com\/"},{"@type":"ListItem","position":2,"name":"Minimum Thickness for Hardness Testing Tool Steel"}]},{"@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\/"}]}},"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":"Minimum Thickness for Hardness Testing Tool Steel A hardness test presses an indenter into the part, and the material around the indentation is deformed with it. If the part is too thin for the load, the reading is no longer the hardness of the material. This page carries the published thickness limits for each Rockwell…","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":"Minimum Thickness for Hardness Testing Tool Steel A hardness test presses an indenter into the part, and the material around the indentation is deformed with it. If the part is too thin for the load, the reading is no longer the hardness of the material. This page carries the published thickness limits for each Rockwell…","_links":{"self":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/19291","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=19291"}],"version-history":[{"count":5,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/19291\/revisions"}],"predecessor-version":[{"id":24084,"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/pages\/19291\/revisions\/24084"}],"wp:attachment":[{"href":"https:\/\/aobosteel.com\/ko\/wp-json\/wp\/v2\/media?parent=19291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}