Specifications 1.Alloy steel 4140,forged round bars. 2.Mainly used for making various kinds of machinery, automobile```

 forged round bar,manufacture: EAF+LF+VD

1) Size: 220mm~700mm

 

2) Length: follow by the requirement of customer(normal length is 3-6m)

 

3) Inspecting: UTS follows as   SEP 1921 C/C

 

4) Usage:Mainly used for making various kinds of machinery, automobile, mining spare part..

 

 5)Chemical Property

Analysis (% by weight)
C	Si	Mn	P	S	Cr	Mo	Ni	V	W
0.38	Max.	0.60	Max.	Max.	0.90	0.15
0.45	0.40	0.90	0.035	0.030	1.20	0.30