505.5 HV to HRC

505.5 HV = 49.56 HRC

HVHRC
490.5 HV48.09
495.5 HV48.58
500.5 HV49.07
505.549.56
510.5 HV50.05
515.5 HV50.54
520.5 HV51.03

505.5 HV = 49.56 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