screw and barrel for injection mold machine

screw and barrel for plastic injection molder machine/molding machine key words: plastic injection molder machine screw and barrel, injection molding machinery screw barrel, screw and barel for plastic injection molding machinery, screw barrel for plastic injection molder, screw barrel, screw cylinder, single screw and barrel, injection screw barrel, screw Size: screw diameter:Φ20-Φ500mm Maximum screw length:10000mm Barrel inner bore diameter:Φ500mm Material: 38CrMoAlA 40CrMo 42CrMo high quality alloy steelTechnology: nitriding treatment, alloy coating spraying, heating treatment, screw fully hardening,specifications: 30g-25000g screw Depth of nitrition layer: 0.5-0.8mm Nitriding treatment, surface hardness: HV≥900-1000 Fragility of nitrition: less than grade 1 Surface roughness: Ra 0.4um Surface of hardness of nitrated Cr coating layer: ≥950HV Thickness of Cr coationg layer: 0.03-0.08mm Used for granulation,PP, PE, PA, PC, ABS,AS etc We can manufacture various kinds of screw barrels according to the customer’s requirement