Cold Work SAE 4140 4130 Seamless Alloy Steel Tube OD 10.75" Minimum ID 8.75" Maximum
Advantages:
1.High strength and hardenability,
2.Good toughness,
3.Small deformation during quenching,
4.High creep strength and lasting strength at high temperature.
Applications:
1.Forgings with higher strength and larger quenched and tempered section than 35CrMo steel,
2.Large gear for locomotive traction,
3.Supercharger transmission gear, rear axle, connecting rod
4.Spring clamp with great load,
5.Drill pipe joints and fishing tools in oil deep wells below 2000m.