Question 1

What is 127.5 HRB in HV?

Accepted Answer

127.5 HRB = 229.5 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 229.5 HV in HRB?

Accepted Answer

229.5 HV = 127.5 HRB.

HRB	HV
112.5 HRB	202.5
117.5 HRB	211.5
122.5 HRB	220.5
127.5	229.5
132.5 HRB	238.5
137.5 HRB	247.5
142.5 HRB	256.5

127.5 HRB to HV

Formula (approximate)