AISI 4140 steel

AISI 4140 steel 1.Hot rolled/black surface/dia:12~450MM/length:3000~8000MM 2.100% Ulteasonic test standards AISI 4140 steel

Alloy steel(SAE4140 steel): 1.Hot rolled/black surface/dia:12~450MM/length:3000~8000MM 2.100% Ulteasonic test standards

Alloy steel(SAE4140 steel): 1.Hot rolled/black surface/dia:12~450MM/length:3000~8000MM 2.100% Ulteasonic test standards

Alloy  steel /Round bars(SAE 4140 steel )

1) Delivery condition: Hor-rolled,black surface

Hardness: ≤220HB.

2) Chemical composition:

C	Si	Mn	Cr	Mo	P	S	Ni	Cu
0.41~0.45	0.17~0.35	0.60~0.75	0.99-1.1	0.16-0.20	≤0.018	≤0.030	0.012	0.07

3) Specification:DIA.12~450mm;Length:3000~8000mm

4) Payment :prepay 30% deposit,T/T or L/C at sigth.

AISI 4140 steel