Question 1

What is 377.5 HRB in HV?

Accepted Answer

377.5 HRB = 679.5 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 679.5 HV in HRB?

Accepted Answer

679.5 HV = 377.5 HRB.

HRB	HV
362.5 HRB	652.5
367.5 HRB	661.5
372.5 HRB	670.5
377.5	679.5
382.5 HRB	688.5
387.5 HRB	697.5
392.5 HRB	706.5

377.5 HRB to HV

Formula (approximate)