490.5 HV to HRC

490.5 HV = 48.09 HRC

HVHRC
475.5 HV46.62
480.5 HV47.11
485.5 HV47.6
490.548.09
495.5 HV48.58
500.5 HV49.07
505.5 HV49.56

490.5 HV = 48.09 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