• Model NO.: Customized
  • Automation: Automatic
  • Screw Barrel: 38crmoala Base Material Twin Parallel Screw
  • Nitrided Hardness: 900-1000hv
  • Surface Roughness: Ra0.4
  • Trademark: Zhongyang
  • Origin: China(Mainland) Zhejiang
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Nitrided Layer Depth: 0.5-0.8mm
  • Nitrided Brittleness: Less Than Grade 1
  • Linearity of Screw: 0.015mm
  • Specification: ISO9001: 2008
  • HS Code: 84779000
38CrMoAlA base material twin parallel screw and barrel

Specification: (Parallel twin screw )
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.

Aluminum Pipe

Aluminum Tube,Aluminum Round Pipe,Aluminum Square Pipe,Aluminium pipe

HANNSTAR INDUSTRY , https://www.hannstarmetal.com