extruder screw and barrel for plastic injection molding machine
extruder screw and barrel for plastic injeciton molding machine
Material: 38CrMoAlA
high quality alloy steel
Technology: 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
We can manufacture various kinds of screw barrels according to the customers requirement
extruder screw and barrel for plastic injection molding machine
