Question 1

What is 18 HRB in HV?

Accepted Answer

18 HRB = 32.4 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 32.4 HV in HRB?

Accepted Answer

32.4 HV = 18 HRB.

HRB	HV
15 HRB	27
16 HRB	28.8
17 HRB	30.6
18	32.4
19 HRB	34.2
20 HRB	36
21 HRB	37.8

18 HRB to HV

Formula (approximate)