Factory wholesale Polyethylene Hose Plastic Extruder Machine - Parallel twin screw and barrel – Jwell

1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
3) 9Cr18Mov
4) CW6Mo5Cr4V2

High quality alloy-steel
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
3) 9Cr18Mov
4) CW6Mo5Cr4V2

Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
Spray bimetallic coating