379.5 HRB to HV

379.5 HRB = 683.1 HV

HRBHV
364.5 HRB656.1
369.5 HRB665.1
374.5 HRB674.1
379.5683.1
384.5 HRB692.1
389.5 HRB701.1
394.5 HRB710.1

379.5 HRB = 683.1 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