Question 1

What is 233.5 HRB in HV?

Accepted Answer

233.5 HRB = 420.3 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 420.3 HV in HRB?

Accepted Answer

420.3 HV = 233.5 HRB.

HRB	HV
218.5 HRB	393.3
223.5 HRB	402.3
228.5 HRB	411.3
233.5	420.3
238.5 HRB	429.3
243.5 HRB	438.3
248.5 HRB	447.3

233.5 HRB to HV

Formula (approximate)