40.5 HRC to HV

40.5 HRC = 413.1 HV

HRCHV
34.5 HRC351.9
36.5 HRC372.3
38.5 HRC392.7
40.5413.1
42.5 HRC433.5
44.5 HRC453.9
46.5 HRC474.3

40.5 HRC = 413.1 HV

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