Question 1

What is 226.5 HRB in HV?

Accepted Answer

226.5 HRB = 407.7 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 407.7 HV in HRB?

Accepted Answer

407.7 HV = 226.5 HRB.

HRB	HV
211.5 HRB	380.7
216.5 HRB	389.7
221.5 HRB	398.7
226.5	407.7
231.5 HRB	416.7
236.5 HRB	425.7
241.5 HRB	434.7

226.5 HRB to HV

Formula (approximate)