Question 1

What is 456.5 HRB in HV?

Accepted Answer

456.5 HRB = 821.7 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 821.7 HV in HRB?

Accepted Answer

821.7 HV = 456.5 HRB.

HRB	HV
441.5 HRB	794.7
446.5 HRB	803.7
451.5 HRB	812.7
456.5	821.7
461.5 HRB	830.7
466.5 HRB	839.7
471.5 HRB	848.7

456.5 HRB to HV

Formula (approximate)