Extrusion Screw barrel, plastic machinery screw barrel, PP/PE sheet/film extrusion screw barrel, extruder screw barrel, Bimetallic Screw Barrel

Specification:
Screw Diameter: Ø 15mm- Ø 300mm
L/D ratio: 15-46

Product classification:
Aiming at different plastic products the screw can be chosen from: General type, pin type, barrier type, separation type, and gas-exhausting type, etc.

Technical Information

Base Materials:
1)38CrMoAlA(JIS SACM645)

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy
3)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year

Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly

Experienced manufacturer, we will be the best choice.