Specification(diameter):35-77~92-188

L/D16-35

Twin conical screws and barrels various types are available

Material:38CrMoALA  40Cr 

Technology:PAT spraying ,Thermal spraying ,Screw fully hardening

Hardness:55HRC-72HRC

Alloy thickness: 2.5cm-4cm
Nitrition Layer Depth:0.5-0.8mm
Nitrition Fragility:Less than Grade Two
Used for producing pipes, profiles and sheets of ordinary plastic,PP,PE,ABS,AS,PS, etc.