Question 1

What is 39.5 HRB in HV?

Accepted Answer

39.5 HRB = 71.1 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 71.1 HV in HRB?

Accepted Answer

71.1 HV = 39.5 HRB.

HRB	HV
33.5 HRB	60.3
35.5 HRB	63.9
37.5 HRB	67.5
39.5	71.1
41.5 HRB	74.7
43.5 HRB	78.3
45.5 HRB	81.9

39.5 HRB to HV

Formula (approximate)