경도 단위 환산표
| Rockwell | Vickers | Brinell | Shore | Tensile strength | |||
|---|---|---|---|---|---|---|---|
| HRA | HRB | HRC | HV | HB | HS | Kgf/㎟ | N/㎟ |
| 60Kgf | 100Kgf | 150Kgf | 50Kgf | 3000Kgf | JIS | ||
| 70.3 | 39.8 | 390 | 369 | 53.7 | 127 | 1245 | |
| 69.8 | 110.0 | 38.8 | 380 | 360 | 52.6 | 123 | 1206 |
| 69.2 | 37.7 | 370 | 350 | 51.5 | 120 | 1177 | |
| 68.7 | 109.0 | 36.6 | 360 | 341 | 50.4 | 115 | 1128 |
| 68.1 | 35.5 | 350 | 331 | 49.3 | 112 | 1098 | |
| 67.6 | 108.0 | 34.4 | 340 | 322 | 48.1 | 109 | 1069 |
| 67.0 | 33.3 | 330 | 313 | 47.0 | 105 | 1030 | |
| 66.4 | 107.0 | 32.2 | 320 | 303 | 45.8 | 103 | 1010 |
| 65.8 | 31.0 | 310 | 294 | 44.6 | 100 | 981 | |
| 65.2 | 105.5 | 29.8 | 300 | 284 | 43.4 | 97 | 951 |
| 64.8 | 29.2 | 295 | 280 | 42.8 | 96 | 941 | |
| 64.5 | 104.5 | 28.5 | 290 | 275 | 42.2 | 94 | 922 |
| 64.2 | 27.8 | 285 | 270 | 41.6 | 92 | 902 | |
| 63.8 | 103.5 | 27.1 | 280 | 265 | 40.9 | 91 | 892 |
| 63.5 | 26.4 | 275 | 261 | 40.3 | 89 | 873 | |
| 63.1 | 102.0 | 25.6 | 270 | 256 | 39.7 | 87 | 853 |
| 62.7 | 24.8 | 265 | 252 | 39.1 | 86 | 843 | |
| 62.4 | 101.0 | 24.0 | 260 | 247 | 38.4 | 84 | 824 |
| 62.0 | 23.1 | 255 | 243 | 37.8 | 82 | 804 | |
| 61.6 | 99.5 | 22.2 | 250 | 238 | 37.2 | 81 | 794 |
| 61.2 | 21.3 | 245 | 233 | 36.5 | 79 | 775 | |
| 61.7 | 98.1 | 20.3 | 240 | 228 | 35.9 | 78 | 765 |
| 96.7 | 18.0 | 230 | 219 | 34.1 | 75 | 736 | |
| 95.0 | 15.7 | 220 | 209 | 33.2 | 71 | 696 | |
| 93.4 | 13.4 | 210 | 200 | 31.8 | 68 | 667 | |
| 91.5 | 11.0 | 200 | 190 | 30.4 | 65 | 637 | |
| 89.5 | 8.5 | 190 | 181 | 29.0 | 62 | 608 | |
| 87.1 | 6.0 | 180 | 171 | 27.7 | 59 | 579 | |
| 85.0 | 3.0 | 170 | 162 | 26.5 | 56 | 549 | |
| 81.7 | 0.0 | 160 | 152 | 25.0 | 53 | 520 | |
| 78.7 | 150 | 143 | 23.7 | 50 | 490 | ||
| 75.0 | 140 | 133 | 22.1 | 46 | 451 | ||
| 71.2 | 130 | 124 | 20.6 | 44 | 431 | ||
| 66.7 | 120 | 114 | 19.1 | 40 | 392 | ||
| 62.3 | 110 | 105 | 17.6 | ||||
| 56.2 | 100 | 95 | 16.1 | ||||