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Home > Products > HDPE Pipe for Water Supply > Nitride Double Parallel Screw Cylinder For Recycling Extrusion 

Nitride Double Parallel Screw Cylinder For Recycling Extrusion 

  • Nitride Double Parallel Screw Cylinder For Recycling Extrusion 
  • Nitride Double Parallel Screw Cylinder For Recycling Extrusion 
  • Nitride Double Parallel Screw Cylinder For Recycling Extrusion 
  • Nitride Double Parallel Screw Cylinder For Recycling Extrusion 

Nitride Double Parallel Screw Cylinder For Recycling Extrusion 

    Packaging: Wooden Case (Exported Standard) 

Product Description

Nitride double parallel screw cylinder for recycling extrusion
Double parallel screw cylinder
Screw Diameter : 55/2,65/2,70/2,80/2,88/2,90/2,100/2,110/2,130/2...
Application : Pvc water pipe. drainage pipe. pe film. wpc profile,pvc cable,pe pellet...
Plastic processed : PVC PP PE HDPE LHDPE PET WPC, etc.
Technical Parameter
Nitride Case Depth
Nitride Hardness
Nitride Brittleness
≤Grade One
Surface Roughness
Screw Straightness
Alloy Hardness
Alloy Depth
Chromium Coating Thickness
Material & Technologies
Quality 38CrMoAIA (41CrAIMo7)
Quality Duplex Stainless Steel
Quality Powder Metallurgy Materials
Hard Metal Cold/Thermal Spraying Technology
Zinc 3# Steel
Advanced Nitriding Technology
Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology
Technological Process
1.Rough Machining
2.Quenching and Tempering
3.Finish Machining
5 Sprey conating Bimetallic
6.Screw polishing
  • We are able to take mapping, design for clients and make products as per customer's drawing or sample excellently , also can help customer to repair the old screw and barrel by useing bimetallic-alloy process
  • Screw structure, compression ratio and material can be changed according to different products and output.
  • Technological Process can be chosed acoodring to your requirments.
  • Commonly used materials: 38crMoAIA, nitrogen treatment . Various high quality alloy steels , according to different usage, the choose for alloy is different, some require for abrasion-resistant while some require for corrsion-resistant. For standard, we have Fe-based, Ni-based, W2C alloy,Tunsten alloy etc for choice
The foreign material we used as following:
1. Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,
2. USA steel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440
3. Sweden steel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30
4. Australia Steel, M202,M300,W302,K460,W300,K900,K100,W321
5. Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30
6. Japan Steel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.

Our Certificates:
Nitride double parallel screw cylinder for recycling extrusion

Factory pics:
Nitride double parallel screw cylinder for recycling extrusion
Nitride double parallel screw cylinder for recycling extrusion

Quality Certificate:
100%Quanlity Inspection
As the screw and barrel are the important parts for plastic extruders and injection molding machine,they affect the machine performance and quality directly,therefore,QunYing established quality control system strictly as ISO 9001:2008 International Quality System, our every production process is under strict inspection , Those provides solid foundation for our quality products!What we need to do is to make sure best quality of each screw and barrel.Till now,our screw and barrel has been sold to more than 40 countries in the world and enjoy a good reputation by our customers!

Products sales network:
About us
QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY, Nippon Steel, Toshiba, Nissei, Mitsubishi and etc. We also can supply all types of screw and barrel according to your different requirements.

What is our advantage:
First:Cretive in designs,our desinging team is very strong,since we have unique culture to motivate them,in order to meet requirement,we work closely to our customer and market!
Second:We have 10 years' experience of manufacturing varied screws, barrels and spares.We are keeping improving our production stytem day by day on the delievey,quality control,all the efforts have improved the customers satisfaction!
Third:We are located in China's screw Town-Jintang,Town in zhoushan city,near to Ningbo Port and Shanghai Port!
Finally,We assure the customer benefits,we supply best quality and competitive price,also best customer service!

Zhoushan Qunying Plastic Machinery Manufactory

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 Established in the year 2003, we, "Zhoushan QUNYING plastic machinery" are engaged in manufacturing and supplying a diverse range of Screw & Barrel and machines. These products are precision engineered using the best quality raw material that we procure from a trusted vendor base. Furthermore, the long lasting life, resistance against corrosion, dimensional accuracy, robust construction and economical prices of our range makes it suitable for heavy usage in most of the industrial applications. Our dedicated team of professionals ensures that we produce only defect-free products so as cater to the long list of clientele. We possess great process knowledge for designing different set of products according to the specific requirements of our customers. Besides, our team members work in complete synchronization with the clients for meeting their varied industry needs and demands.

Company Info

  • Company Name: Zhoushan Qunying Plastic Machinery Manufactory
  • Representative: Lu Miaojun
  • Product/Service: Bimetallic Screw Barrel , Injection Molding Screw , Extrusion Screw Barrel , Tungsten Carbide Screw Barrel , Twin Screw Barrel For Pipe , PVC Screws Barrels
  • Capital (Million US $): 300000RMB
  • Year Established: 2003
  • Total Annual Sales Volume (Million US $): US$2.5 Million - US$5 Million
  • Export Percentage: 21% - 30%
  • No. of R&D Staff: 5 -10 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Contact Person: Ms. LU
  • Tel: 86-580-8340889
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