Question 1

What is 254.5 HRB in HV?

Accepted Answer

254.5 HRB = 458.1 HV. Use the converter on this page to convert to other hardness units instantly.

Question 2

How do you convert HRB to HV?

Accepted Answer

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. Multiply your HRB value by the appropriate factor to get HV, or use the interactive converter above.

Question 3

What is 458.1 HV in HRB?

Accepted Answer

458.1 HV = 254.5 HRB.

HRB	HV
239.5 HRB	431.1
244.5 HRB	440.1
249.5 HRB	449.1
254.5	458.1
259.5 HRB	467.1
264.5 HRB	476.1
269.5 HRB	485.1

254.5 HRB to HV

Formula (approximate)