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Hardness Conversion: HRB
Hardness conversion table — Rockwell B, Rockwell C, Brinell, and Vickers equivalents per ASTM E140 and ASTM A370
| scale | hardness value | hb (dimensionless) | hrb (dimensionless) | hv (dimensionless) | material class |
|---|---|---|---|---|---|
| HRB | 100 | 240 | 100 | 240 | steel |
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