SJSZ Bimetallic conical twin screw barrel for pvc extrusion profile

Price: 100.0~10000.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C
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Basic Info.
  • Place of Origin: Place of Origin 
  • Model No: shenglong 
  • Plastic Type: PVC 
  • Steel material: 38CrMoAla,SACM645,SKD61,GH113 
  • Steel Hardness after: HB280-320 
  • Nitriding hardness: HV900 
  • Surface Roughness: Ra0.4 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 3000 set/month
  • Packing:wooden case
  • Delivery Date: 25-35days
Packaging & Delivery
Packaging Details:Wood case (Standard Export Packing).
Delivery Detail:25days after order confirmed
1.SJSZ Bimetallic conical twin screw barrel
2.Base Material: 38CrMoAlA;
3,High quality alloy .
4,Nitriding treating

Specifications of standard twin conical screw and barrel:
45/90, 51/105, 55/110, 65/132, 80/156, 80/172, 92/188.
Advantages of Twin conical screw and barrel:
1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses
   different alloy and welding methods for the screw of different functions.
  • Easy operation
  • Optimum performance
  • Durable
  • Low power consumption
  • Corrosion/wear resistance
     twin conical screw barrel for pvc extrusion profile
Screw structure and compression
ratio can be designed according
to different products  &different mixtrues.
pvc  profile
Nitride Case Depth
1)Longer time Gas Nitriding treatment
2)special anti-wear & abrasion alloy (bimetallic)
3)tungsten carbide
4)cobalt base alloy
5)stainless steel
6)Gh113 nickel based alloy  
Nitride Hardness
Wrapped up by film in wooden
Nitride Brittleness
≤Grade One
Payment Term
T/T , L/C
Surface Roughness
Delivery Term
25 working days
Screw Straightness
Port Departure
Alloy Hardness
Min. Order
1 set
Alloy Depth
Common Nitrided:2.5-4years
Bimetallic: much longer lifetime.
If the screw diameter or l/d ratio is not fixed, please feel free to inform the products and mixture you need, we can select & design the matching cylinder screw by your requirement.
Technological Process:
Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining
SJSZ Bimetallic conical twin screw barrel for pvc extrusion profile
SJSZ Bimetallic conical twin screw barrel for pvc extrusion profile

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Ms. Ruth Shen (sales)
Tel: 86-580-8055263
Mobile: 13857884034
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Contact Method
Zhoushan Shenglong Machinery Co.,Ltd.
Chuanchang Road,No.11,Ligang Industry,Dinghai, Zhoushan, Zhejiang, China (Mainland) / 316032
Fax: 86-580-8053677
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