4140 Heat Treat Chart. 2) fully hardened 4140 ranges from 54 to 59 hrc. 1) 4140 is an ok die steel but is not recommended for radical shaped dies such as narrow fullering, crown and so on.
1) 4140 is an ok die steel but is not recommended for radical shaped dies such as narrow fullering, crown and so on. 2) fully hardened 4140 ranges from 54 to 59 hrc.
1 4140 heat treat chart
1) 4140 Is An Ok Die Steel But Is Not Recommended For Radical Shaped Dies Such As Narrow Fullering, Crown And So On.