217.5 HV to HRC

217.5 HV = 21.32 HRC

HVHRC
202.5 HV19.85
207.5 HV20.34
212.5 HV20.83
217.521.32
222.5 HV21.81
227.5 HV22.3
232.5 HV22.79

217.5 HV = 21.32 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