bimetallic extruder rubber feed screw and barrel

Price: 1.0~100000.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C,WU
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Basic Info.
  • Brand Name: QY screw barrel 
  • Material: 38CrMoAlA 42CrMo 
  • Machine: screw barrel 
  • HS code: 8477900000 
  • Certificate: ISO9001 
  • Nitriding time: more than 120 hours 
  • Roughness: Ra0.4 um 
  • Hardness: HB240-280 
  • Screw Barrel: screw and barrel 
  • Bimetallic: Fe-based,Ni-based,Tungsten Carbide 
  • Warranty: Common 1-2 years,bimetallic is much longer 
  • Model No.: QY-057 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 200 sets/month
  • Packing:wooden case (export standard)
  • Delivery Date: within 30days after order confirmed

Bimetallic extruder rubber feed screw and barrel


Alloy-steel of high-quality

38 CrMoAlA(JIS SACM645)


Nitriding treatment

Electroplate hard-chrome

High-frequency quenching

Spraying corrosion wear-resisting dual metal layers

Vacuum quenching

Technical Parameter


Steel Material

DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA

Deepness of Nitriding Layer

0.5 mm -0.8 mm

Hardness of Nitriding

HV900 - HV1,020

Nitriding Brittleness

 ≤Grade 2

Cold feed pinned screw and barrel of rubber machine



Cold feed screw and barrel of rubber machine



Hot feed screw and barrel of rubber machine



Screw straight tolerance

0.015 mm/m

Surface roughness

Ra 0.4μm


For good plasticizing effect,we have different design of screw barrel to meet customer's demand. Gradual type,mutant type,wave type,barrier type,double screen type, shunt type,separation type,exhaust type, pin type, mixed type, double-head type,three-head type,multi head type etc.
bimetallic extruder rubber feed screw and barrel
bimetallic extruder rubber feed screw and barrel


Send message to this supplier
Ms. Feiying.Fang
Tel: 86-580-8340889
Mobile: 86-18205803693
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Contact Method
Zhoushan Qunying Plastic Machinery Manufactory
No.169,Xindao East Road,Jintang, Zhoushan, Zhejiang, China (Mainland)
Fax: 86-580-8342296
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