Question 1

What is 129.5 HRB in HV?

Accepted Answer

129.5 HRB = 233.1 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 233.1 HV in HRB?

Accepted Answer

233.1 HV = 129.5 HRB.

HRB	HV
114.5 HRB	206.1
119.5 HRB	215.1
124.5 HRB	224.1
129.5	233.1
134.5 HRB	242.1
139.5 HRB	251.1
144.5 HRB	260.1

129.5 HRB to HV

Formula (approximate)