Steel Aisi 4340 Round Bar

We are exporting and producing of Steel AISI 4340 Round Bar to our consumer with the following details:
1,Size of 4340 Alloy Steel
Round bar
Diameter(mm) 20~800
Length (mm) 3000~9000


Plate
Thickness(mm) Max:800
Width (mm) Max:2200
Length (mm) Max:9000

The specification can be customized.
2,Chemical Compositons
Grade 4340
C 0.38-0.43
Si 0.15-0.35
Mn 0.60-0.80
P a 0.035
S a 0.040
Cr 0.70-0.90
Mo 0.20-0.30
Ni 1.65-2.00

3,Features of 4340 alloy steel
1, Chromium molybdenum alloy steel;
2, High strength and toughness;
3, Good stability of hardenability and anti-overheating;
4, Good high tensile strength with shock resistance.
4,Typical Applications
1, Heavy machinery and high-load of shaft;
2, Rotor shaft and blades;
3, Special performance requirements of the vital parts after nitriding treatment.