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Hardness Conversion: HRC
40 to 49
Hardness conversion table — Rockwell B, Rockwell C, Brinell, and Vickers equivalents per ASTM E140 and ASTM A370
| scale | hardness value | approximate tensile ksi | approximate tensile mpa | hb (dimensionless) | hrc | hv (dimensionless) | material class |
|---|---|---|---|---|---|---|---|
| HRC | 40 | 100 | 689 | 341 | 40 | 392 | steel |
| HRC | 41 | 103 | 710 | 353 | 41 | 402 | steel |
| HRC | 42 | 106 | 731 | 362 | 42 | 412 | steel |
| HRC | 43 | 110 | 758 | 371 | 43 | 423 | steel |
| HRC | 44 | 113 | 779 | 381 | 44 | 434 | steel |
| HRC | 45 | 116 | 800 | 390 | 45 | 446 | steel |
| HRC | 46 | 120 | 827 | 400 | 46 | 458 | steel |
| HRC | 47 | 124 | 855 | 409 | 47 | 471 | steel |
| HRC | 48 | 128 | 882 | 421 | 48 | 484 | steel |
| HRC | 49 | 133 | 917 | 432 | 49 | 498 | steel |
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