1.High quality material 2.Abrasion and corrosion resistant 3.Technical support 4.Any design in any size

extruder screw barrel for film blowing machine and wire drawing machine 

 Size: screw diameter:Φ20-Φ500mm

         Maximum screw length:10000mm

         Barrel inner bore diameter:Φ500mm

Material:    38CrMoAlA   

                 40CrMo   

                 42CrMo  

                 high quality alloy steel

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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

Extruding Screws Plastic Film Blowing Machine Extruder Screw and Barrel