Question 1

What is 251.5 HRB in HV?

Accepted Answer

251.5 HRB = 452.7 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 452.7 HV in HRB?

Accepted Answer

452.7 HV = 251.5 HRB.

HRB	HV
236.5 HRB	425.7
241.5 HRB	434.7
246.5 HRB	443.7
251.5	452.7
256.5 HRB	461.7
261.5 HRB	470.7
266.5 HRB	479.7

251.5 HRB to HV

Formula (approximate)