Hersteller von PET-Extrusionsschnecken und -zylindern in China

              extrusion single screw cylinder

Diameter

Φ15mm-Φ350mm

Designing

Screw structure and compression

ratio can be designed according 

to different products  & different output requirement.

Materials

38CrMoAlA

(JIS SACM645)

SKD61

 Application

pp,pe and other polymer granulator

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 

Nitride Hardness

960-1060HV

Packing

Wrapped up by film in wooden

Nitride Brittleness

≤Grade One

Payment Term

T/T , L/C , western union

Surface Roughness

Ra0.4um

Delivery Term

15-25 working days

Screw Straightness

0.015mm

Port Departure

Shanghai/Ningbo

Alloy Hardness

HRC58-72

Min. Order

1 piece

Alloy Depth

1.5mm-3.5mm

Common Nitrided:2.5-4years

Bimetallic: much longer lifetime.

Guarantee