270.5 HV to HRC

270.5 HV = 26.52 HRC

HVHRC
255.5 HV25.05
260.5 HV25.54
265.5 HV26.03
270.526.52
275.5 HV27.01
280.5 HV27.5
285.5 HV27.99

270.5 HV = 26.52 HRC

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