Extruder Bimetallic Screw Barrel Bimetal Screw Barrel

Bimetallic screw barrel, Tungsten Carbide Screw Barrel, bimetal screw barrel, plastic machinery screw barrel, extrusion screw barrel, twin parallel screw barrel
Specification:
Screw diameter: 15mm-300mm
Maximal length: 8000mm
Barrel inner diameter: 15-300mm
Maximal length: 4000mm

Different bimetallic alloys are available for different raw materials.

1. Tungsten carbide screw and barrel
2. Wear resisting
3. Low power
4. Low noise level
5. High quality material
Application: Injection molding machine, extrusion

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
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
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year
Experienced manufacturer, we will be the best choice.