Descripción del producto

Extruder screw and barrel for blowing film machine or blow film
Material: *8CrMoAIA *0CrMo *2CrMo high quality alloy steel
Technology: Nitriding treatment, alloy coating spraying, heating treating, screw fully hardening.

Size: Screw diameter: Φ**-Φ**0mm
Maximum screw length: ****0mm
Barrel inner bore diameter: Φ**0mm
Material: Alloy steel or bimetallic material in high quality
Technology: Nitriding treatment,
Alloy coating spraying,
Heating treatment,
Screw fully hardening,
Bimetallic screw and barrel
Depth of nitrition layer: 0.**0.8mm
Nitriding treatment, surface hardness: HV≥ *******0
Fragility of nitrition: Less than grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.**5mm
Depth of bimetallic layer>2mm
Hardness of alloy plating: HRC****2
Depth of alloy layer: 2.5mm*4mm
Used for granulation, PP, PE, PA, PC, ABS, AS etc

We can manufacture various kinds of screw barrels according to the customer's requirement