Rockwell Hardness (page 4 / 4)

HRC38
HRC40
HRC45 to HRC53
HRC52
HRc 44-51
HRc 47-52
HV 140 min
HV 140-250
HV 420-520
HV 420-545
HV 423-544
HV 458-560
HV 460-560
M103
M61
M71(R113)
Max 100 HRB
Max B100
Max B95
Min 46 HRC Through hardened
Min 52 HRC Case Hardened
Not Applicable
Not Rated
Not rated
RC 38 to 43
RC 38-43
RC 44-51
RC 60-65
RC 62-64
RC 62-65
RC-34 max.
RC36-43
RC38
RC43-52
RC44-51
RC47-51
RC47-52
RC47-53
RC47-54
RC48-53
Rc 36-42
Shore A65-75
Vickers 350-425 HV
Vickers Hardness 140
Work Hardened