Question 1

What is 287.5 HRB in HV?

Accepted Answer

287.5 HRB = 517.5 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 517.5 HV in HRB?

Accepted Answer

517.5 HV = 287.5 HRB.

HRB	HV
272.5 HRB	490.5
277.5 HRB	499.5
282.5 HRB	508.5
287.5	517.5
292.5 HRB	526.5
297.5 HRB	535.5
302.5 HRB	544.5

287.5 HRB to HV

Formula (approximate)