Question 1

What is 257.5 HRB in HV?

Accepted Answer

257.5 HRB = 463.5 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 463.5 HV in HRB?

Accepted Answer

463.5 HV = 257.5 HRB.

HRB	HV
242.5 HRB	436.5
247.5 HRB	445.5
252.5 HRB	454.5
257.5	463.5
262.5 HRB	472.5
267.5 HRB	481.5
272.5 HRB	490.5

257.5 HRB to HV

Formula (approximate)