Question 1

What is 27 HRB in HV?

Accepted Answer

27 HRB = 48.6 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 48.6 HV in HRB?

Accepted Answer

48.6 HV = 27 HRB.

HRB	HV
21 HRB	37.8
23 HRB	41.4
25 HRB	45
27	48.6
29 HRB	52.2
31 HRB	55.8
33 HRB	59.4

27 HRB to HV

Formula (approximate)