Sep 2025
Hardness Comparison Table
Tensile strength
[N/mm²] |
Vickers hardness HV
[F = 98 N] |
Brinell hardness
HB |
Rockwell hardness |
| HRB |
HRC |
HRA |
| 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 | 67.0 |
| 1095 | 340 | 323 | - | 34.3 | 67.6 |
| 1125 | 350 | 333 | - | 35.5 | 68.1 |
| 1155 | 360 | 342 | - | 36.6 | 68.7 |
| 1190 | 370 | 352 | - | 37.7 | 69.2 |
| 1220 | 380 | 361 | - | 38.8 | 69.8 |
| 1255 | 390 | 371 | - | 39.8 | 70.3 |
| 1290 | 400 | 380 | - | 40.8 | 70.8 |
| 1320 | 410 | 390 | - | 41,8 | 71.4 |
| 1350 | 420 | 399 | - | 42.7 | 71.8 |
| 1385 | 430 | 409 | - | 43.6 | 72.3 |
| 1420 | 440 | 418 | - | 44.5 | 72.8 |
| 1455 | 450 | 428 | - | 45.3 | 73.3 |
| 1485 | 460 | 437 | - | 46.1 | 73.6 |
| 1520 | 470 | 447 | - | 46.9 | 74.1 |
| 1555 | 480 | (465) | - | 47.7 | 74.5 |
| 1595 | 490 | (466) | - | 48.4 | 74.9 |
| 1630 | 500 | (475) | - | 49.1 | 75.3 |
| 1665 | 510 | (485) | - | 49.8 | 75.7 |
| 1700 | 520 | (494) | - | 50.5 | 76.1 |
| 1740 | 530 | (504) | - | 51.1 | 76.4 |
| 1775 | 540 | (513) | - | 51.7 | 76.7 |
| 1810 | 550 | (523) | - | 52.3 | 77.0 |
| 1845 | 560 | (532) | - | 53.0 | 77.4 |
| 1880 | 570 | (542) | - | 53.6 | 77.8 |
| 1920 | 580 | (551) | - | 54.1 | 78.0 |
| 1955 | 590 | (561) | - | 54.7 | 78.4 |
| 1995 | 600 | (570) | - | 55.2 | 78.6 |
| 2030 | 610 | (580) | - | 55.7 | 78.9 |
| 2070 | 620 | (589) | - | 56.3 | 79.2 |
| 2105 | 630 | (599) | - | 56.8 | 79.5 |
| 2145 | 640 | (608) | - | 57.3 | 79.8 |
| 2180 | 650 | (618) | - | 57.8 | 80.0 |
| - | 660 | - | - | 58.3 | 80.3 |
| - | 670 | - | - | 58.8 | 80.6 |
| - | 680 | - | - | 59.2 | 80.8 |
| - | 690 | - | - | 58.7 | 81.1 |
| - | 700 | - | - | 60.1 | 81.3 |
| - | 720 | - | - | 61.0 | 81.8 |
| - | 740 | - | - | 61.8 | 82.2 |
| - | 760 | - | - | 62.5 | 82.6 |
| - | 780 | - | - | 63.3 | 83.0 |
| - | 800 | - | - | 64.0 | 83.4 |
| - | 820 | - | - | 64.7 | 83.8 |
| - | 840 | - | - | 65.3 | 84.1 |
| - | 860 | - | - | 65.9 | 84.4 |
| - | 880 | - | - | 66.4 | 84.7 |
| - | 900 | - | - | 67.0 | 85.0 |
| - | 920 | - | - | 67.5 | 85.3 |
| - | 940 | - | - | 68.0 | 85.6 |