Question 1

What is 311.5 HRB in HV?

Accepted Answer

311.5 HRB = 560.7 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 560.7 HV in HRB?

Accepted Answer

560.7 HV = 311.5 HRB.

HRB	HV
296.5 HRB	533.7
301.5 HRB	542.7
306.5 HRB	551.7
311.5	560.7
316.5 HRB	569.7
321.5 HRB	578.7
326.5 HRB	587.7

311.5 HRB to HV

Formula (approximate)