bimetallic screw barrel
Longer lifespan with high performance of anti wearance

bimetallic screw barrel  

Based Material: 38CrMoAlA, SKD61 etc.

Treatment: bimetallic spraying, centrifugal casting

Depth of Nitrated Layer: 0.5-0.8mm            

Hardness: 58-72 HRC  

Fragility of nitration: Less than grade 1      

Surface roughness: Ra 0.4um 

Thickness of Bimetallic layer:2-4mm