Gold Member Since 2012
Audited Supplier
Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

Bimetallic Screw, Plastic Machine, PVC manufacturer / supplier in China, offering Extruder Bimetallic Screw Barrel Bimetal Screw Barrel, Parallel Double Screw Cylinder for PVC Pipe Extrusion, Plastic Machinery Bimetallic Conical Twin Screw and Barrel and so on.

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Supplier Homepage Product Bimetallic screw and barrel Extruder Bimetallic Screw Barrel Bimetal Screw Barrel

Extruder Bimetallic Screw Barrel Bimetal Screw Barrel

FOB Price: US $60 / Piece
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $60/ Piece
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Production Capacity: 100 Sets/Month
Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Extruder bimetallic screw barrel
  • Plastic Processed: WPC
  • Automation: Automatic
  • Size: Customize
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
  • Type: Pipe Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Trademark: Zhongyang
  • Origin: Zhoushan, China
Product Description
Bimetallic screw barrel, Tungsten Carbide Screw Barrel, bimetal screw barrel, plastic machinery screw barrel, extrusion screw barrel, twin parallel screw barrel
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)

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.
Base Materials:1)38CrMoAlA(SACM 645)
2)42CrMo(AISI 4140)
Bimetallic Alloy Materials:1)Fe-based alloy
2)Ni-based alloy
3)Co-based alloy
4)Tungsten carbide
Bimetallic alloy level:
Alloy powder including 40% Tungsten Carbide 
Alloy powder including 25% Tungsten Carbide
Alloy powder including 9.5% Tungsten Carbide
Processing Technology: Heat treatment
High-frequency quenching 
Nitriding treatment
Hard-chrome electroplating 
Bimetallic alloy welding
Technical Parameter:

Nitrided layer depth:0.50-0.80mm
Nitrided hardness: 950-1100HV 
Nitrided brittleness: Less than 2 level
Surface roughness: Ra 0.4  μm
Linearity of screw: 0.015mm/m
Hard-chrome plating hardness after nitriding: ≥950HV
Chrome-plating layer depth: 0.025~0.10mm 
Bimetallic layer depth: 3-5 mm
Bimetallic hardness: HRC60-70
Suitable Plastic Material:PP, PE, HDPE, LDPE,LLDPE etc.
Our products advantages:
1)High productivity             2)Good plasticizing effect
3)Low energy consumption 4)Wear resistant&Corrosion resistant
5)Long using life                6)Fast production&On time delivery  
7)Best customer service!

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