403.5 HRB to HV

403.5 HRB = 726.3 HV

HRBHV
388.5 HRB699.3
393.5 HRB708.3
398.5 HRB717.3
403.5726.3
408.5 HRB735.3
413.5 HRB744.3
418.5 HRB753.3

403.5 HRB = 726.3 HV

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