Bimetallic Screw & Barrel For Plastic Machine

Bimetallic Screw & Barrel For Plastic Machine
Product Details

Quick Details

  • Place of Origin: Zhejiang, China (Mainland)

  • Brand Name: JS-ALLOY

  • Model Number: JS-

  • Application material: PP,PE,ABS

  • Application machine: plastic machine

  • Screw parts: screw head,seat ring, back-up ring

  • Barrel parts: Nozzle,Flange

  • Injection screw size: OD18-250MM

  • Feature: wear resistance and corrosion resistance

  • Based material: High quality 38Crmoala

  • Surface treatment: Bimetallic

  • Screw type: Single or twin screw

  • Guarantee time: More than 1 year

Packaging & Delivery

Packaging Details1.screw and barrel are coated with a layer of oil. 
2.screw and barrel are wrapped in a layer of plastic film. 
3.screw and barrel are fixed in strong wooden case. 
4.Volume for one set of screw and barrel is about 0.5cubic meter -5 cubic meter
Delivery TimeWithin 20 days after confirmed with buyer


1) Application Machine:Plastic machine 
2) Based Material: 38CrMoAlA 
3) Manufacturer: Jinsheng 
4) Screw type: Bimetallic 


Product Description

Bimetallic screw & barrel for plastic machine


Screw diameter: 30-360mm

Barrel diameter: 85-360mm

Mould Clamping Force: 250-32000KN

Shot Weight: 15-50000g

Screw can be mated with different head

Barrel can be mated with different nozzles

The compression ratio of the screw can be designed according to different products and mixtures


 Technicl Parameter

Base Material          

1)38CrMoAlA(JIS SACM645)

2)Cr12MOV(JIS SKD-11) 

3)4Cr5MoSiV1(JIS SKD-61)  

4)42CrMo(AISI 4140) 


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

Bimetallic Alloy level  

Level A - containing Tungsten of 40%

Level B - containing tungsten of 25%

Level C - containing tungsten of 9.5%

Heat Treatment 

Nitriding treatment(>100 Hours)

Hard Chrome Plating treatment

Nickel alloy plating.treatment

High-frequency quenching

Technology Parameter

1)Depth of Nitrided Layer: 0.5-0.8 mm

   Hardness of Nitrided Layer: 950-1020Hv 

2)Thickness of Hard Chrome Plating Layer: 0.03-0.08mm

   Hardness of Hard Chrome Plating Layer: ≥950HV

3) Bimetallic Barrel Centrifugal Casting (Inlay Alloy)

    Bimetallic Screw: Plasma Alloy Coating Spraying

    Depth of Bimetallic Layer: >2mm

    Hardness of Bimetallic Layer: HRC58°-62°

Basic Information

Nitrided Brittleness:Less Than Grade 1

Surface Roughness:Ra 0.4um

Screw Straightness:0.015mm

 Material Application

1)General Plastics


3)PA + GF(Glass Fiber)

4)Flame-resistant Reinforced Plastics

5)Modified Engineering Plastics

6)All kinds of Mixed Recycled Material(in Scrap or Granule),etc

Other Information

1)  Name:   Bimetallic screw & barrel for plastic machine

2) Lead Time: About 20 to 25 working days after we receive the deposit

3) Packaging Detail: Film wrapped in wooden case without fumigation (export standard) But can be customized according to customer requirements

4) Means of transport: Ocean, Air, Express

5) Long lifetime,low energy consumption.

6) Wonderful plasticizing

7) High wear resistance, resistance to corrosion

8) Fast and On time delivery

Product Flow

Blanking     ---->  Rough Machining   ---->         Quenching & Tempering   ---->         Semi Finishing Machining     ---->      Finish Machining   --->        Nitriding or Bimetallic Processed  --->      Detecting  Finished Product    --->        Packing & Shipping   

 Company Information

 Jinsheng Bimetallic Plastic Machinery Factory was established in 2004. It was developed as a large-scale and comprehensive company specializing in manufacturing the kinds of Screws and Barrels in Zhoushan.such as bimetallic barrel & screw ,conical twin screws & barrels ,parallel twin screws & barrels,single screw &barrel , rubber screw & barrel ,planetary screw & barrel and  components apply for injection molding machine and extruder machine .


For the material of screw and barrel we usually used: #45 steel,40Cr,38CRMOALA, 42CrMo,SKD11,SKD61 and high temperture ALLOY etc.


Jinsheng team aim at providing the best services to customers which include providing short lead time, best price and best after sales services. These allow us to create good relationship with customer. Moreover, our engineering department can design special screw and barrel design for some special plastic material such as HDPE, LDPE. This special design can provide high output with low energy consumption. With our great effort on product quality and services, we win a lot of support from different customers which from machinery and plastics field. we will make improvement continuously so as to win customer support from different countries.


To our old customer’s help and continuous support,we thank you. 
To our new customers,we give you our warmest welcome.


Packaging & Shipping

1.screw and barrel are coated with a layer of oil.
2.screw and barrel are wrapped in a layer of plastic film.
3.screw and barrel are fixed in strong wooden case.
4.Volume for one set of screw and barrel is about 0.5cubic meter -5 cubic meter



Means of transport: Ocean, Air, Express,we can operate by customer request.

Our Services

Jinsheng Services and Advantage:

1) Jinsheng have more than 1 year quarantee
2) Jinsheng have over 10 years history
3) Jinsheng have a strong work-hard team
4) Jinsheng is the first factory to make the bimetallic screw and barrel
5) Jinsheng will handle all difficult for products 
6) Jinsheng will meet customer request
7) Jinsheng will be keeping improving


What is Jinsheng company CULTURE?

Management idea  : confidence    determination

Working Spirit :Responsibility,improvement

Positioning :stability,development, international


Jinsheng Export to 

Due to our high quality products and outstanding customer service, we have gained a global sales network reaching America, Germany, Brazil, Russia, Ukraine, India, Pakistan,Egpyt,Argentina and some other countries and regions.

Find excellent quality bimetallic screw & barrel for plastic machine made in China from one of the largest manufacturers and suppliers - Jinsheng Bimetallic. Leveraging on advanced equipment and superior techniques, we can offer you bimetallic screw & barrel for plastic machine with high resistance, high quality and competitive price. With many products in stock, we warmly welcome you to buy or wholesale our products.