740.5 Mohs to HRC

740.5 Mohs = 7.26 HRC

MohsHRC
725.5 Mohs7.11
730.5 Mohs7.16
735.5 Mohs7.21
740.57.26
745.5 Mohs7.31
750.5 Mohs7.36
755.5 Mohs7.41

740.5 Mohs = 7.26 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