Question 1

What is 427.5 HRB in HV?

Accepted Answer

427.5 HRB = 769.5 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 769.5 HV in HRB?

Accepted Answer

769.5 HV = 427.5 HRB.

HRB	HV
412.5 HRB	742.5
417.5 HRB	751.5
422.5 HRB	760.5
427.5	769.5
432.5 HRB	778.5
437.5 HRB	787.5
442.5 HRB	796.5

427.5 HRB to HV

Formula (approximate)