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Alloy steel /Round bar(SAE 4140 /DIN 1.7225/ 42CrMo )
1) Delivery condition: Hot-rolled, black surface,Hardness: ≤220HB
2) Chemical composition: C=0.41~0.45,Si=0.17~0.35,Mn=0.60~0.75,
P≤0.018,S≤0.030,Cr=0.99~1.1,Mo=0.16~0.20,Ni=≤0.012,Cu≤0.07.
3)Specification:Thickness:30/35/40..350mm,Length:2500~4000mm,or as customers’ requirement
4) Payment terms: 30% deposit, balance against L/C at sight or T/T.
It can be steel plate, flat bar or round bar.
1.7225/4140/42CrMo4 steel
