1.Nitrided screw and barrel:
Material:38CrMoAlA
Surface hardness:≧HV900
Nitriding depth:0.5-0.8mm
1. Screw alloy material:basic material is 38CrMoAlA,bimetallic is welded on the screw flight,prolonging the life of the screw.
Specification：
Specifications:
Diameter:Φ45/2—Φ250/2
L/D ratio:16-40
We can design the twin screw and barrel according to the customers requirements.