Bimetallic Extrusion Screw Barrel For Extrusion Machine

material

Grade A   Wc-10 tungsten carbide alloy

Processing range

Inner diameter : φ16mm-φ450mm ,effective length to 9000mm

Processing technic

Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side

Alloy powder composition

Wc(50%~60%),C,Si,Cr,B,Ni,Mo,Co,etc

Index of hardness

HRC62-65,the service life of 5-6 times longer than the nitrided one

Characteristics of alloy

High wearing resistance,high corrosion resistance and high temperature resistance

Apply to

PE pipes, PVC, PPR, wood and plastic, XPS extruded plate, wire and cable, blown film machine, recycled plastic, etc

material

Grade C Fe-30 Fe-based alloy

Processing range

Inner diameter : φ16mm-φ450mm ,effective length to 9000mm

Processing technic

Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side

Alloy powder composition

Fe,C,Si,Cr,B,Mo,Ni, Co,etc

Index of hardness

HRC59-61,the service life of 3-5 times longer than the nitrided one

Characteristics of alloy

Wearing and corrosion resistance

Apply to

PE pipes, PVC, PPR, wood and plastic, XPS extrusion board, blown film machine, recycled plastic, etc