Question 1

What is 374.5 HRB in HV?

Accepted Answer

374.5 HRB = 674.1 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 674.1 HV in HRB?

Accepted Answer

674.1 HV = 374.5 HRB.

HRB	HV
359.5 HRB	647.1
364.5 HRB	656.1
369.5 HRB	665.1
374.5	674.1
379.5 HRB	683.1
384.5 HRB	692.1
389.5 HRB	701.1

374.5 HRB to HV

Formula (approximate)