Question 1

What is 28.5 HRB in HV?

Accepted Answer

28.5 HRB = 51.3 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 51.3 HV in HRB?

Accepted Answer

51.3 HV = 28.5 HRB.

HRB	HV
22.5 HRB	40.5
24.5 HRB	44.1
26.5 HRB	47.7
28.5	51.3
30.5 HRB	54.9
32.5 HRB	58.5
34.5 HRB	62.1

28.5 HRB to HV

Formula (approximate)