518.5 HRB to HV

518.5 HRB = 933.3 HV

HRBHV
503.5 HRB906.3
508.5 HRB915.3
513.5 HRB924.3
518.5933.3
523.5 HRB942.3
528.5 HRB951.3
533.5 HRB960.3

518.5 HRB = 933.3 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