Alloy-steel of high-quality

1.38 CrMoAIA(JIS SACM645)

2.42CrMo(AISI4140)

3.9Cr18MoV

4.CW6Mo5Cr4V2

5.SKD61

 

bimetallic alloy maerials:

1.Fe-based alloy

2,Ni-based alloy

3,Co-based alloy

4.NiCo-based alloy

5.Tungsten carbide

 

Heat-treatment

Nitriding treatment

Electroplate hard-chrome

High-frequency quenching

Spraying corrosion wear-resisting dual metal layers

Vacuum quenching

Screw structure and compression ratio can be designed according to different products and raw material.

if there is any need, please contact  us .