Sep 2025
Hardness Comparison Table
Tensile strength
[N/mm²] |
Vickers hardness HV
[F = 98 N] |
Brinell hardness
HB |
Rockwell hardness |
| HRA |
HRB |
HRC |
| 255 | 80.0 | 76.0 | - | - | - |
| 270 | 85.0 | 80.7 | 41.0 | - | - |
| 285 | 90.0 | 85.5 | 48.0 | - | - |
| 305 | 95.0 | 90.2 | 52.0 | - | - |
| 320 | 100 | 95.0 | 56.2 | - | - |
| 335 | 105 | 99.8 | - | - | - |
| 350 | 110 | 105 | 62.3 | - | - |
| 370 | 115 | 109 | - | - | - |
| 385 | 120 | 114 | 66.7 | - | - |
| 400 | 125 | 119 | - | - | - |
| 415 | 130 | 124 | 71.2 | - | - |
| 430 | 135 | 128 | - | - | - |
| 450 | 140 | 133 | 75.0 | - | - |
| 465 | 145 | 138 | - | - | - |
| 480 | 150 | 143 | 78.7 | - | - |
| 495 | 155 | 147 | - | - | - |
| 510 | 160 | 152 | 81.7 | - | - |
| 530 | 165 | 156 | - | - | - |
| 545 | 170 | 162 | 85.0 | - | - |
| 560 | 175 | 166 | - | - | - |
| 575 | 180 | 171 | 87.1 | - | - |
| 595 | 185 | 176 | - | - | - |
| 610 | 190 | 181 | 89.5 | - | - |
| 625 | 195 | 185 | - | - | - |
| 640 | 200 | 190 | 91.5 | - | - |
| 660 | 205 | 195 | 92.5 | - | - |
| 675 | 210 | 199 | 93.5 | - | - |
| 690 | 215 | 204 | 94.0 | - | - |
| 705 | 220 | 209 | 95.0 | - | - |
| 720 | 225 | 214 | 96.0 | - | - |
| 740 | 230 | 219 | 96.7 | - | - |
| 755 | 235 | 223 | - | - | - |
| 770 | 240 | 228 | 98.1 | 20.3 | 60.7 |
| 785 | 245 | 233 | - | 21.3 | 61.2 |
| 800 | 250 | 238 | 99.5 | 22.2 | 61.6 |
| 820 | 255 | 242 | (101) | 23.1 | 62.0 |
| 835 | 260 | 247 | - | 24.0 | 62.4 |
| 850 | 265 | 252 | (102) | 24.8 | 62.7 |
| 865 | 270 | 257 | - | 25.6 | 63.1 |
| 880 | 275 | 261 | (104) | 26.4 | 63.5 |
| 900 | 280 | 266 | - | 27.1 | 63.8 |
| 915 | 285 | 271 | (105) | 27.8 | 64.2 |
| 930 | 290 | 276 | - | 28.5 | 64.5 |
| 950 | 295 | 280 | - | 29.2 | 64.8 |
| 965 | 300 | 285 | - | 29.8 | 65.2 |
| 995 | 310 | 295 | - | 31.0 | 65.8 |
| 1030 | 320 | 304 | - | 32.2 | 66.4 |
| 1060 | 330 | 314 | - | 33.3 | 67 |
| 1095 | 340 | 323 | - | 34.3 | 67.6 |
| 1125 | 350 | 333 | - | 35.5 | 68.1 |