Bimetallic Extruder Screw Barrel For Extruder Machine 

Diameter

Φ15mm-350mm

Designing

Screw structure and compression

ratio can be designed according

to different products  & different output requirement.

Materials

38CrMoAlA

(JIS SACM645)

SKD61

Application

Suit for hdpe ,ldpe, lldpe recycling.

Nitride Case Depth

0.5mm-0.8mm

Technology

1)Longer time Gas Nitriding treatment

2)special anti-wear & abrasion alloy (bimetallic)

3)Tungsten Carbide

4)cobalt base alloy

5)stainless steel

6)Gh113 nickel based alloy  

Compared to other supplier, our advantages

1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy

3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.

4.Fast and on time delivery .

5.Longer lifetime for the screw barrel.

Nitride Hardness

950-1020HV

Packing

Wrapped up by film in wooden

Nitride Brittleness

≤Grade One

Payment Term

T/T , L/C

Surface Roughness

Ra0.4um

Delivery Term

30 working days

Screw Straightness

0.015mm

Port Departure

Shanghai/Ningbo

Alloy Hardness

HRC58-62

Min. Order

1 set

Alloy Depth

0.5mm-0.8mm

Common Nitrided:1-3years

Bimetallic: much longer lifetime.