| Rockwell [HRC] | Brinell [HB] |
Vickers [HV] |
Rockwell[HRC] | Brinell [HB] |
Vickers [HV] |
|
|---|---|---|---|---|---|---|
| 66 | - | 865 | 45 | 421 | 446 | |
| 65 | 739 | 832 | 44 | 409 | 434 | |
| 64 | 722 | 800 | 43 | 400 | 4263 | |
| 63 | 705 | 772 | 42 | 390 | 412 | |
| 62 | 688 | 746 | 41 | 381 | 402 | |
| 61 | 670 | 720 | 40 | 371 | 392 | |
| 60 | 654 | 697 | 39 | 362 | 382 | |
| 59 | 634 | 674 | 38 | 353 | 372 | |
| 58 | 615 | 653 | 37 | 344 | 363 | |
| 57 | 595 | 633 | 36 | 336 | 354 | |
| 56 | 577 | 613 | 35 | 327 | 345 | |
| 55 | 560 | 595 | 34 | 319 | 336 | |
| 54 | 543 | 577 | 33 | 311 | 327 | |
| 53 | 525 | 560 | 32 | 301 | 318 | |
| 52 | 512 | 544 | 31 | 294 | 310 | |
| 51 | 496 | 528 | 30 | 286 | 302 | |
| 50 | 481 | 513 | 29 | 279 | 294 | |
| 49 | 469 | 498 | 28 | 271 | 286 | |
| 48 | 455 | 484 | 27 | 264 | 279 | |
| 47 | 443 | 471 | 26 | 258 | 272 | |
| 46 | 432 | 458 | 25 | 253 | 266 |