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Bimetallic Screw Shaft Barrel For Plastic 

  • Bimetallic Screw Shaft Barrel For Plastic 
  • Bimetallic Screw Shaft Barrel For Plastic 
  • Bimetallic Screw Shaft Barrel For Plastic 

Bimetallic Screw Shaft Barrel For Plastic 

    Packaging: wooden case (export standard) 

Product Description

To all our old or new friends:

Thanks for your visiting.Qunying screw, our is one of the best machinery parts supplier in China.We cooperate with many machine factories.We produce screw and barrel over 10 years in China,rich experience in producing or designing.Choose Qunying, you best choice!

Technical Parameters:

Diameter: Ø15-Ø300

L/D ratio:15-60

Or other according to requirement, we are rich experience in producing and designing!


1.Product: Bimetallic screw shaft barrel for plastic

2.Material:38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140);Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61)

3.Nitrided Hardness:HV900°~1000°

4.Hardness after hardening and tempering: HB260 °

5.Nitrided Depth: 0.4~0.8mm

6.Nitrided Brittleness: above 2 stage

7.Surface Roughness: Ra0.4

8.Screw straightness: 0.015mm

9.Hardess of surface chromium-plating after Nitriding: HV≥950HV

10.Chromium plating Depth: 0.05~0.10mm

11.Alloy Depth: 0.8~3.0mm

12.Alloy hardness: HRC56°~65°

13.Alloy(bimetallic): iron,nickel,tungsten,molybdenum

Grade available for shaft and barrel:

1. Standard grade: 38CrMoAlA + nitriding 96 hours
2. Bimetallic grade: 38CrMoAlA + bimetallic alloy
3. TC-A grade: Tungsten carbide 40%
4. TC-B grade: Tungsten carbide 25%
5. TC-C grade: Tungsten carbide 9.5%

Scope of application

WPC sheet,pallets,pinch,pipe,profiles,soft PVC,pvc foam sheet,film,tape,recycled,tape tube,water pipe,drainage pipe,etc.



Company Information: we are factory,all produced by ourselves.


Our customer feedback after using.

 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,Chende,Chenxiong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba, Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrel according to your different requirements.

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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