Screw Barrel for Injection Molding Machinery,injection screw cylinder, screw barrel for plastic machinery, screw barrel for injection moulding machinery, screw barrel,bimetallic screw barrel,screw barrel for injection moulding machine,plastic machinery components,extruder machinery screw  barrel, injection moulding machinery, extruder screw barrel, bimetal screw barrel, screw cylinder,ultra-wearable resistant screw cylinder,spare parts for injection molding machinery, components of plastic machinery, accessory parts for plastic machinery

Specifications: 30g-25000g screws, can be matched with corresponded screw heads, distributors, barrels according to customer's requirement
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 950-1020Hv
Fragility of nitration: Less than grade 1
Surface roughness: Ra 0.4um
Surface Hardness of Nitrated Cr coating Layer: ≥950Hv
Hardness of Bimetallic Layer: HRC55-72
Thickness of Cr-coating Layer: 0.05-0.08mm
Depth of Bimetallic Layer: >2.5mm-4mm