Question 1

What is 17 HRB in HV?

Accepted Answer

17 HRB = 30.6 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 30.6 HV in HRB?

Accepted Answer

30.6 HV = 17 HRB.

HRB	HV
14 HRB	25.2
15 HRB	27
16 HRB	28.8
17	30.6
18 HRB	32.4
19 HRB	34.2
20 HRB	36

17 HRB to HV

Formula (approximate)