Question 1

What is 406.5 HRB in HV?

Accepted Answer

406.5 HRB = 731.7 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 731.7 HV in HRB?

Accepted Answer

731.7 HV = 406.5 HRB.

HRB	HV
391.5 HRB	704.7
396.5 HRB	713.7
401.5 HRB	722.7
406.5	731.7
411.5 HRB	740.7
416.5 HRB	749.7
421.5 HRB	758.7

406.5 HRB to HV

Formula (approximate)