This page provides a simple Brinell to Rockwell hardness conversion table to help engineers, machinists, and manufacturers easily compare results across testing methods. Use this chart as a quick reference when working with specifications or materials that list different hardness scales.
| Brinell Hardness (HB) | Rockwell C (HRC) | Rockwell B (HRB) | Rockwell A (HRA) | Approximate Tensile Strength (MPa) |
|---|---|---|---|---|
| 800 | 72.0 | – | 88.0 | 2720 |
| 780 | 71.2 | – | 87.8 | 2650 |
| 760 | 70.5 | – | 87.5 | 2580 |
| 750 | 70.0 | – | 87.0 | 2550 |
| 740 | 69.4 | – | 86.8 | 2510 |
| 720 | 68.2 | – | 86.2 | 2450 |
| 700 | 67.0 | – | 85.5 | 2380 |
| 690 | 66.4 | – | 85.2 | 2340 |
| 680 | 65.8 | – | 84.8 | 2310 |
| 670 | 65.1 | – | 84.5 | 2280 |
| 660 | 64.5 | – | 84.2 | 2240 |
| 650 | 63.8 | – | 84.0 | 2210 |
| 640 | 63.0 | – | 83.7 | 2170 |
| 630 | 62.1 | – | 83.3 | 2140 |
| 620 | 61.2 | – | 83.0 | 2110 |
| 610 | 60.2 | – | 82.5 | 2070 |
| 600 | 59.2 | – | 82.0 | 2030 |
| 590 | 58.2 | – | 81.5 | 2000 |
| 580 | 57.2 | – | 81.1 | 1970 |
| 570 | 56.0 | – | 80.6 | 1930 |
| 560 | 55.0 | – | 80.3 | 1900 |
| 550 | 54.1 | – | 80.0 | 1860 |
| 540 | 53.1 | – | 79.5 | 1830 |
| 530 | 52.1 | – | 79.0 | 1800 |
| 520 | 51.1 | – | 78.5 | 1770 |
| 510 | 50.1 | – | 77.8 | 1730 |
| 500 | 49.1 | – | 77.0 | 1680 |
| 490 | 48.5 | – | 76.7 | 1660 |
| 480 | 47.5 | – | 76.2 | 1630 |
| 475 | 47.0 | – | 76.0 | 1600 |
| 470 | 46.5 | – | 75.7 | 1590 |
| 460 | 45.5 | – | 75.1 | 1560 |
| 450 | 44.5 | – | 74.5 | 1520 |
| 440 | 43.5 | – | 74.0 | 1490 |
| 430 | 42.7 | – | 73.5 | 1460 |
| 425 | 42.0 | – | 73.0 | 1440 |
| 420 | 41.5 | – | 72.7 | 1420 |
| 410 | 40.3 | – | 72.1 | 1390 |
| 400 | 39.1 | – | 71.5 | 1360 |
| 390 | 38.0 | – | 70.9 | 1320 |
| 380 | 37.3 | – | 70.4 | 1290 |
| 375 | 36.6 | – | 70.0 | 1270 |
| 370 | 36.0 | – | 69.6 | 1250 |
| 360 | 35.0 | – | 68.8 | 1220 |
| 350 | 34.0 | – | 68.0 | 1190 |
| 340 | 33.0 | – | 67.2 | 1150 |
| 330 | 32.0 | – | 66.6 | 1120 |
| 325 | 31.0 | – | 66.0 | 1100 |
| 320 | 30.5 | – | 65.5 | 1080 |
| 310 | 29.5 | – | 64.8 | 1050 |
| 300 | 28.5 | – | 64.0 | 1020 |
| 290 | 27.5 | – | 63.0 | 990 |
| 285 | 26.5 | – | 62.5 | 970 |
| 280 | 25.9 | – | 62.0 | 950 |
| 275 | 25.2 | – | 61.5 | 930 |
| 270 | 24.5 | – | 61.0 | 915 |
| 265 | 24.0 | – | 60.5 | 900 |
| 260 | 23.4 | – | 60.0 | 880 |
| 255 | 22.5 | – | 59.5 | 865 |
| 250 | 21.7 | – | 59.0 | 850 |
| 245 | 21.0 | – | 58.5 | 830 |
| 240 | 20.0 | 100.0 | 58.0 | 815 |
| 235 | 19.2 | 99.5 | 57.5 | 800 |
| 230 | 18.4 | 99.0 | 57.0 | 780 |
| 225 | 17.5 | 98.5 | 56.5 | 765 |
| 220 | 16.5 | 98.0 | 56.0 | 745 |
| 215 | 15.7 | 97.0 | 55.2 | 730 |
| 210 | 15.0 | 96.0 | 54.5 | 715 |
| 205 | 14.0 | 95.0 | 53.8 | 695 |
| 200 | 13.0 | 94.5 | 53.2 | 680 |
| 195 | 12.0 | 93.5 | 52.5 | 660 |
| 190 | 10.5 | 92.5 | 51.7 | 645 |
| 185 | 9.5 | 91.5 | 50.8 | 630 |
| 180 | 8.0 | 90.5 | 50.0 | 610 |
| 175 | 6.5 | 89.5 | 49.2 | 595 |
| 170 | 5.0 | 88.5 | 48.5 | 575 |
| 165 | – | 87.0 | 47.5 | 560 |
| 160 | – | 85.5 | 46.8 | 545 |
| 155 | – | 84.0 | 46.0 | 525 |
| 150 | – | 82.5 | 45.0 | 510 |
| 145 | – | 81.0 | 44.0 | 490 |
| 140 | – | 79.5 | 43.0 | 475 |
| 135 | – | 77.5 | 42.0 | 460 |
| 130 | – | 75.5 | 41.0 | 440 |
| 125 | – | 73.5 | 40.0 | 425 |
| 120 | – | 71.5 | 39.0 | 405 |
| 115 | – | 68.0 | 37.7 | 390 |
| 110 | – | 65.0 | 36.5 | 375 |
| 105 | – | 61.5 | 35.5 | 355 |
| 100 | – | 58.0 | 34.0 | 340 |
| 95 | – | 55.0 | 32.7 | 320 |
| 90 | – | 52.0 | 31.5 | 305 |
| 85 | – | 47.0 | 30.0 | 290 |
| 80 | – | 42.0 | 28.5 | 270 |
| 75 | – | 38.0 | 27.5 | 255 |
| Rockwell C (HRC) | Rockwell B (HRB) | Rockwell Superficial 30N | Rockwell Superficial 30T | Brinell (HB) | Vickers (HV) |
|---|---|---|---|---|---|
| 70 | – | 92.1 | 85.6 | – | 1076 |
| 68 | – | 91.5 | 84.0 | – | 940 |
| 66 | – | 90.7 | 82.2 | – | 865 |
| 64 | – | 89.8 | 80.4 | – | 800 |
| 62 | – | 88.8 | 78.6 | – | 746 |
| 60 | – | 87.8 | 76.8 | – | 697 |
| 58 | – | 86.8 | 75.0 | – | 653 |
| 56 | – | 85.7 | 73.3 | – | 613 |
| 54 | – | 84.6 | 71.6 | – | 578 |
| 52 | – | 83.4 | 69.9 | – | 544 |
| 50 | – | 82.2 | 68.1 | 481 | 513 |
| 48 | – | 80.9 | 66.4 | 461 | 484 |
| 46 | – | 79.6 | 64.7 | 444 | 458 |
| 44 | – | 78.3 | 63.1 | 426 | 434 |
| 42 | – | 76.9 | 61.4 | 409 | 412 |
| 40 | – | 75.4 | 59.7 | 392 | 392 |
| 38 | – | 73.8 | 58.0 | 375 | 372 |
| 36 | – | 72.2 | 56.4 | 360 | 354 |
| 34 | – | 70.5 | 54.7 | 344 | 336 |
| 32 | – | 68.7 | 53.1 | 331 | 319 |
| 30 | – | 66.8 | 51.4 | 318 | 302 |
| 28 | – | 64.8 | 49.8 | 305 | 286 |
| 26 | – | 62.7 | 48.1 | 294 | 271 |
| 24 | – | 60.5 | 46.5 | 284 | 258 |
| 22 | 96.0 | 58.1 | 44.8 | 274 | 246 |
| 20 | 94.5 | 55.7 | 43.1 | 264 | 235 |
| 18 | 93.0 | 53.0 | 41.4 | 255 | 225 |
| 16 | 91.5 | 50.3 | 39.8 | 246 | 216 |
| 14 | 90.0 | 47.3 | 38.1 | 238 | 208 |
| 12 | 88.5 | 44.2 | 36.4 | 230 | 200 |
| 10 | 87.0 | 41.0 | 34.7 | 222 | 193 |
| 8 | 85.5 | 37.6 | 33.1 | 215 | 187 |
| 6 | 84.0 | 34.1 | 31.4 | 209 | 181 |
| 4 | 82.5 | 30.5 | 29.7 | 203 | 176 |
| 2 | 81.0 | 26.7 | 28.1 | 197 | 171 |
| 0 | 79.6 | 22.8 | 26.4 | 192 | 166 |
| – | 78.0 | – | – | 187 | 162 |
| – | 76.0 | – | – | 180 | 156 |
| – | 74.0 | – | – | 172 | 150 |
| – | 72.0 | – | – | 165 | 144 |
| – | 70.0 | – | – | 158 | 139 |
| – | 68.0 | – | – | 151 | 134 |
| – | 66.0 | – | – | 145 | 129 |
| – | 64.0 | – | – | 140 | 125 |
| – | 62.0 | – | – | 135 | 121 |
| – | 60.0 | – | – | 131 | 117 |
| – | 58.0 | – | – | 127 | 114 |
| – | 56.0 | – | – | 123 | 110 |
| – | 54.0 | – | – | 120 | 107 |
| – | 52.0 | – | – | 117 | 104 |
| – | 50.0 | – | – | 114 | 101 |
| – | 48.0 | – | – | 111 | 98 |
| – | 46.0 | – | – | 108 | 96 |
| – | 44.0 | – | – | 105 | 93 |
| – | 42.0 | – | – | 102 | 91 |
| – | 40.0 | – | – | 99 | 89 |
| – | 38.0 | – | – | 97 | 87 |
| – | 36.0 | – | – | 95 | 85 |
| – | 34.0 | – | – | 92 | 83 |
| – | 32.0 | – | – | 90 | 81 |
| – | 30.0 | – | – | 88 | 79 |
| – | 28.0 | – | – | 86 | 77 |
| – | 26.0 | – | – | 84 | 76 |
| – | 24.0 | – | – | 82 | 74 |
| – | 22.0 | – | – | 81 | 73 |
| – | 20.0 | – | – | 79 | 72 |
| – | 18.0 | – | – | 78 | 70 |
| – | 16.0 | – | – | 76 | 69 |
| – | 14.0 | – | – | 75 | 68 |
| – | 12.0 | – | – | 74 | 67 |
| – | 10.0 | – | – | 73 | 66 |
| – | 8.0 | – | – | 72 | 64 |
| – | 6.0 | – | – | 70 | 63 |
| – | 4.0 | – | – | 69 | 62 |
| – | 2.0 | – | – | 68 | 61 |
| – | 0.0 | – | – | 67 | 60 |
Conclusion:
If you’re looking to optimize your stamping process, MISUMI’s comprehensive range of press die components can help. Explore this calculator and several of our other helpful tools (including a punch and die calculator) and articles to enusre quality development and manufacturing.
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Author: Scott Bredemann | Updated: 4/10/2025
Disclaimer:
The content on this webpage is for informational purposes only. MISUMI makes no guarantees, expressed or implied, regarding the accuracy, completeness, or validity of the information. Performance parameters, tolerances, designs, materials, or processes should not be assumed to reflect third-party suppliers’ or manufacturers’ deliverables within MISUMI’s network. Buyers are responsible for specifying their part requirements