Question 1

What is 551.5 HRB in HV?

Accepted Answer

551.5 HRB = 992.7 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 992.7 HV in HRB?

Accepted Answer

992.7 HV = 551.5 HRB.

HRB	HV
536.5 HRB	965.7
541.5 HRB	974.7
546.5 HRB	983.7
551.5	992.7
556.5 HRB	1,001.7
561.5 HRB	1,010.7
566.5 HRB	1,019.7

551.5 HRB to HV

Formula (approximate)