Twin Screw Cylinder Barrel Twin Parallel Screw Barrel

Twin Screw and Cylinder, Parallel twin Screw Cylinder, Twin parallel Screw Cylinder, bimetallic screw barrel, double screws, PVC pipe/profile/granule extrusion screw barrel Specifications. Technical Information Base Materials: Stainless Technics: Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding Bimetallic alloy centrifugal casting Technical parameter: Nitrided layer depth: 0.5-0.8mm Nitrided hardness: 900-1000HV Nitrided brittleness: Less than grade 1 Surface roughness: Ra0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: >=950HV Chrome-plating layer depth: 0.025-0.085mm Bimetallic layer depth: 3mm Warranty and service: 1 year Our advantages: 1)Excellent raw materials 2)Good customer service 3)Rapid delivery 4)Reasonable price 5)Production quickly Experienced manufacture, we will be the best choice.…