Question 1

What is 191.5 HRB in HV?

Accepted Answer

191.5 HRB = 344.7 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 344.7 HV in HRB?

Accepted Answer

344.7 HV = 191.5 HRB.

HRB	HV
176.5 HRB	317.7
181.5 HRB	326.7
186.5 HRB	335.7
191.5	344.7
196.5 HRB	353.7
201.5 HRB	362.7
206.5 HRB	371.7

191.5 HRB to HV

Formula (approximate)