Question 1

What is 421.5 HRB in HV?

Accepted Answer

421.5 HRB = 758.7 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 758.7 HV in HRB?

Accepted Answer

758.7 HV = 421.5 HRB.

HRB	HV
406.5 HRB	731.7
411.5 HRB	740.7
416.5 HRB	749.7
421.5	758.7
426.5 HRB	767.7
431.5 HRB	776.7
436.5 HRB	785.7

421.5 HRB to HV

Formula (approximate)