extruder screw and barrel for film blowing machine/ wire drawing machine/plastic extruder
extruder screw barrel for wire drawing machine and film blowing machine
Size: screw diameter:Φ20-Φ500mm
Maximum screw length:10000mm
Barrel inner bore diameter:Φ500mm
Material: 38CrMoAlA
high quality alloy steel
Technology: nitriding treatment,
alloy coating spraying,
heating treatment,
screw fully hardening,
specifications: Φ20mm-Φ300mm
Length ≤18000mm
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 customers requirement
extruder screw barrel for wire drawing machine
