Extruder Screw Barrel And Spare Parts For Coperion Twin Screw Extruder

3 .  Barrel materials:

We choose different kinds of materials for barrel according to different application.

Normally,there are two main kinds of materials,one is HIP powder tool steel,and the other is domestic steel.

Solid Barrel 

Barrel with installed liner 

* made of PM-HIP solid *WR13
By working closely with customers in choosing optional materials,we can minimize wear and tear and associated costs.

3 . Material & Processes of screw barrel for plastic extruder

Alloy-steel of High-quality
1)38CrMoAlA
2)42CrMo
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)Quality Duplex Stainless Steels
6)GH 113
7)Quality Powder Metallurgy Raw Materials
8)Cold/Thermal Spray Hard Metal process
9)Advanced nitriding Process
10)Corrosion & Abrasion Resistance Bimetal Spraying Process

4 . Types 

Convey Screw Segment
Mixing Screw Segment
Kneading Block Disk
Transition Screw Element
Deep groove transfer element
Screw element for side feeder
1flighted 2flighted flighted screw elements

5 . As per customer's demand,we can also supply below:
PVC/PE Film Blowing Screw;

Blow Molding Screw;

PS/PE/PP/ABS Sheet Extrusion Screw;

PE Aluminum Plate;

PPR Pipe Screw;

EVA Extrusion Screw;

HDPE High efficiency Screw;

PET Straps Screw;

XPS/EPE Foamed Screw;

Granulation Screw,Vented single screw etc.