174.5 HRC = 1,779.9 HV
| HRC | HV |
|---|---|
| 159.5 HRC | 1,626.9 |
| 164.5 HRC | 1,677.9 |
| 169.5 HRC | 1,728.9 |
| 174.5 | 1,779.9 |
| 179.5 HRC | 1,830.9 |
| 184.5 HRC | 1,881.9 |
| 189.5 HRC | 1,932.9 |
174.5 HRC = 1,779.9 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