Question 1

What is 317.5 HRB in HV?

Accepted Answer

317.5 HRB = 571.5 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 571.5 HV in HRB?

Accepted Answer

571.5 HV = 317.5 HRB.

HRB	HV
302.5 HRB	544.5
307.5 HRB	553.5
312.5 HRB	562.5
317.5	571.5
322.5 HRB	580.5
327.5 HRB	589.5
332.5 HRB	598.5

317.5 HRB to HV

Formula (approximate)