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Specifications

Single screw barrel for chemical fiber extruder

Specification:
Diameter: dia15- dia300
L/D ratio:15-50
 
Base Materials:
1)38CrMoAlA(JIS SACM645)                        
2)42CrMo(AISI 4140)
3)Cr12MoV(JIS SKD-11)
 
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:
1) Heat treatment
2) Nitriding treatment
3) Hard-chrome electroplating
4) Bimetallic alloy welding
5) Bimetallic alloy centrifugal casting
 
Technical parameter:
Nitrided layer depth:0.5-0.8mm
Nitrided hardness:900-1000HV 
Nitrided brittleness: 2 Level
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding:more than 950HV
Chrome-plating layer depth:0.025-0.085mm
Bimetallic layer depth:3mm
Bimetallic hardness:HRC50-65

We always adopt high-quality materials, provide best quality, perfect service, 
prompt delivery and very competitive price for you.  
 
Hope we can cooperate with you. Thank you!