170.5 HRC = 1,739.1 HV
| HRC | HV |
|---|---|
| 155.5 HRC | 1,586.1 |
| 160.5 HRC | 1,637.1 |
| 165.5 HRC | 1,688.1 |
| 170.5 | 1,739.1 |
| 175.5 HRC | 1,790.1 |
| 180.5 HRC | 1,841.1 |
| 185.5 HRC | 1,892.1 |
170.5 HRC = 1,739.1 HV
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140