Description

Our screw barrels are widely used in extruders, injection molding machine, rubber processing machine, other plastic rubber machine

Screw barrel for rubber &plastic machine

Product name: Injection / extruder machine/screw barrel/ screw barrel assembly part

Key word: Screw barrel, bimetallic screw barrel, extruder screw barrel, screw barrel for injection molding machine, conical or parallel screw barrel,

Material: *8CrMoAlA, SKD*1, SKD*1, HPT2B, high quality alloy steel, etc

Technology: Nitriding treatment, alloy coating sparying, heat-treatment, etc

Appliance: PE, PVC, PP, etc

Technical index:

Depth of Nitrated Layer: 0.**0.8mm

Hardness of nitration: *******0Hv
Fragility of nitration: Less than grade 1

Surface roughness: Ra 0.4um
Hardness of Cr-coating Layer: ≥ **0Hv

Thickness of Cr-coated Layer: 0.***0.*8mm

Hardness of Bimetallic Layer: HRC****2

Depth of Bimetallic Layer: >2mm

Used for granulation, PE, PP, PA, PC, ABS, AS, etc

We supply various types of screw barrels according to customer's requirement