249.5 HRB to HV

249.5 HRB = 449.1 HV

HRBHV
234.5 HRB422.1
239.5 HRB431.1
244.5 HRB440.1
249.5449.1
254.5 HRB458.1
259.5 HRB467.1
264.5 HRB476.1

249.5 HRB = 449.1 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