171.5 HV to HRC

171.5 HV = 16.81 HRC

HVHRC
156.5 HV15.34
161.5 HV15.83
166.5 HV16.32
171.516.81
176.5 HV17.3
181.5 HV17.79
186.5 HV18.28

171.5 HV = 16.81 HRC

Formula (approximate)

1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140