Comparison of Hardness on Various Scales
Vickers Brinell Rockwell Shore
HV HB HRC C
200 200 - 28
210 210 - 29
220 220 - 30
230 230 19.2 31
240 240 21.2 33
250 250 23.0 34
260 260 24.7 35
270 270 26.1 36
280 280 27.6 37
290 290 29.0 39
300 300 30.3 40
310 310 31.5 41
320 320 32.9 42
330 330 33.8 43
340 340 34.9 44
350 350 36.0 45
360 359 37.0 46
370 368 38.0 47
380 373 38.9 48
390 385 39.8 49
400 393 40.7 50
410 400 41.5 51
420 407 42.3 52
430 416 43.2 53
440 423 44.0 54
450 429 44.8 55
460 435 45.5 56
470 441 46.3 57
480 450 47.0 58
490 457 47.7 59
500 465 48.3 60
510 474 49.0 61
520 482 49.6 62
530 489 50.3 63
540 496 50.9 64
550 503 51.5 65
560 511 52.1 66
570 520 52.7 67
580 527 53.3 68
590 533 53.8 69
600 538 54.4 70
610 543 54.9 71
620 549 55.4 72
630 555 55.9 73
640 561 56.4 74
650 568 56.9 75
660 574 57.4 75
670 581 57.9 76
680 588 58.4 77
690 595 58.9 78
700 602 59.3 79
710 609 59.8 80
720 616 60.2 81
730 622 60.7 82
740 627 61.1 83
750 633 61.5 83
760 639 61.9 84
770 644 62.3 85
780 650 62.7 86
790 656 63.1 86
800 661 63.5 87
810 666 63.9 87
820 670 64.3 88
830 677 64.6 89
840 682 65.0 89
850 - 65.3 90
860 - 65.7 90
870 - 66.0 91
880 - 66.3 91
890 - 66.6 92
900 - 66.9 92