4140/4130/4340/52100/8620 Alloy Steel

What are the details of 4140 Alloy Steel ?

1,Size of 4140 Alloy Steel
Round bar
Diameter(mm) 20~1200
Length (mm) 3000~9000
Plate
Thickness(mm) Max:800
Width (mm) Max:2200
Length (mm) Max:9000
The specification can be customized.


What is the similar steel grades?
AISI/SAE:4140 DIN:1.7225 JIS:SCM440 GB:42CrMo

What are the chemical compositions of 4140 steel?
C:0.38-0.43 Si:0.15-0.35 Mn:0.75-1.00 P:max 0.035 S:max 0.040
Cr:0.80-1.10 Mo:0.15-0.25


Features of 4140 steel.
1, Chromium molybdenum alloy steel
2, Slightly higher carbon content then 4130
3, Greater strength and heat treatment

Applications of 4140 steel.
1, Applications in the oil and gas sector
2, Connection rods, collets, conveyor pins
3, Gears, stem assemblies
4, Pump shafts and tool holders
4140/4130/4340/52100/8620 Alloy Steel