228.5 HRB to HV

228.5 HRB = 411.3 HV

HRBHV
213.5 HRB384.3
218.5 HRB393.3
223.5 HRB402.3
228.5411.3
233.5 HRB420.3
238.5 HRB429.3
243.5 HRB438.3

228.5 HRB = 411.3 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