Question 1

What is 227.5 HRB in HV?

Accepted Answer

227.5 HRB = 409.5 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 409.5 HV in HRB?

Accepted Answer

409.5 HV = 227.5 HRB.

HRB	HV
212.5 HRB	382.5
217.5 HRB	391.5
222.5 HRB	400.5
227.5	409.5
232.5 HRB	418.5
237.5 HRB	427.5
242.5 HRB	436.5

227.5 HRB to HV

Formula (approximate)