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

Screw Element Segmented Barrel, Plastic Extruder, XPS Foam Extrusion Screw Barrel manufacturer / supplier in China, offering Elements Screws Segmented Barrel Twin Screw Elements Segmented Barrel, Conical Twin Screw Barrel Double Screw Barrel, Durable Planetary Screw Barrel Assembly and so on.

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Supplier Homepage Product Screw element and segmented barrel Elements Screws Segmented Barrel Twin Screw Elements Segmented Barrel

Elements Screws Segmented Barrel Twin Screw Elements Segmented Barrel

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ Piece
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Port: Ningbo, China
Production Capacity: 150 Sets/ Month
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: Screw Element
  • Customized: Customized
  • Trademark: Zhongyang
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
  • Certification: CE, ISO
  • Size: Customize
  • Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
  • Origin: Zhejiang of China
Product Description
Screw elements, Parallel Twin Screw barrel, Element Segmented Barrel, extrusion screw elements, plastic machinery components

Parallel twin screw diameter: Φ 18-Φ 177mm

2)38CrMoAlA(JIS SACM645)

1)Heat treatment
2)Nitriding treatment
3)Vacuum quenching

Technical parameter:
D/d ratio: 1.55
Nitrided layer depth: ≥ 0.4mm
Nitrided hardness: 950-1050HV

Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.
Main Base materials 
1.38CrMoAlA  (Nitriding Steel) 
2.  SKD-61   (Special Tool Steel) 
3.  42CrMo (Ultrahigh Strength   Steel) 
4. DC53 ( Cold Work   Die Steel)   
5. W6Mo5Cr4V2 ( High-Speed   Tool   Steel ) 
6. HPT 
Main Alloy Materials 
1.  Ni-based alloy/Deloro alloy 
2.  Tungsten carbide/Wolfram carbide 
3.  NiCo-based alloy 
4.  Fe-based alloy 
5.  Co-based alloy   
Processing Technics 
1.  Heat treatment 
2.  Quenching 
3.  Nitriding treatment 
4.  Bimetallic alloy welding 
5.  Bimetallic alloy centrifugal casting 
6.  Hard-chrome electroplating 
Technical parameters 
Nitriding layer depth 0.5-0.8mm 
Nitrided hardness HRC56-58 
Nitrided brittleness Less than grade 1 
Surface roughness Ra 0.4 
Linearity of screw 0.015mm 
Hard-chrome plating hardness ≥HRC57 
Chrome-plating layer depth 0.03-0.09mm 
Bimetallic layer depth 3 mm 
Bimetallic layer hardness HRC58-62 
Above are main technical information, a suitable screw and barrel will be made according to your requirement. 
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