Question 1

What is 402.5 HRB in HV?

Accepted Answer

402.5 HRB = 724.5 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 724.5 HV in HRB?

Accepted Answer

724.5 HV = 402.5 HRB.

HRB	HV
387.5 HRB	697.5
392.5 HRB	706.5
397.5 HRB	715.5
402.5	724.5
407.5 HRB	733.5
412.5 HRB	742.5
417.5 HRB	751.5

402.5 HRB to HV

Formula (approximate)