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

Screw Barrel, Twin Screw, Parallel Screw manufacturer / supplier in China, offering 38crmoala Parallel Double Screw and Barrel, Twin Co-Rotating Screw Elements Tin Screw Barrel, Twin Parallel Screw Barrel Double Screw Barrel PVC Granule Profile/Pellets and so on.

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Supplier Homepage Product Parallel twin screw and barrel 38crmoala Parallel Double Screw and Barrel

38crmoala Parallel Double Screw and Barrel

FOB Price: Get Latest Price
Min. Order: 1 Set
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Screw: Twin-Screw
  • Origin: Zhejiang of China
  • Trademark: Zhongyang
  • HS Code: 84779000
Product Description
Parallel Double Screw and Barrel 38CrMoAla

Specification:
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients

Technical Information

Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

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

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

Experienced manufacture, we will be the best choice.
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