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38CrMoAIA--Single Screw and Barrel for Injection Molding Machine for Rubber Line

38CrMoAIA--Single Screw and Barrel for Injection Molding Machine for Rubber Line

  • FOB Price:
  • US 500.00 /Set Get Latest Price
  • Order Quantity:
  • 1-30000 /Set Get Latest Price
  • Business:
  • Screw and barrel,Extruder single screw barrel,Conical twin screw barrel,Parallel twin screw barrel,Injection screw and barrel
  • Export:
  • 31% - 40%
  • Volume:
  • US$10 Million - US$50 Million
  • Address:
  • Xihou Industrial Park, Jintang Town, Zhoushan, Zhejiang, China (Mainland)

Product Detail

Quick Details
  • Place Of Origin:zhejiang China (mainland)
  • Brand Name:jinli
  • Model Number:jl15-250
  • Screw Diameter:25mm-250mm
  • Color:silver White
  • L/d Ratio:15-40
  • Base Material:38crmoaia(jis Sacm645)
  • Surface Roughness:ra0.4
  • Nitrided Hardness:900-1000hc(hrc55-65)
  • Nitrided Layer Deprh:0.5-0.8
  • Nitrided Brittleness:less Than Grade 1
  • Bimetallic Layer Depth:more Than 3mm
  • Bimetallic Layer Hardness:hrc55-70

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  • Surface Roughness
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  • Base Material


Product Description


      Jinli have rich experiences on handling material for PE, HDPE, PMMA, CPVC UPVC, RPVC, PC, Bakelite, meterial compound nylon & glass fiber etc.

Injection molding machine screw and barrel set contains screw, screw head, check ring, non return valve, barrel, nozzle and flange. We can provide customers accessories according to customers' requirements.

    The product specification:

Injection molding screw barrel specification

Diameter: Φ15mm-Φ250mm

Mould clamping force: 200T–3500T

Shot weight: 25G–30000G

We have full experiences on handling material for PMMA, CPVC, RPVC, bakelite, material compound nylon & glass fiber etc.

Screw structure can be designed according to different material and customer requirement!





Technical Information

Base Materials

1.       38CrMoVAIA (JIS SACM645)

2.       42CrMo (AISI 4140)

3.       4Cr5MoSi V1 (JIS SKD-61)

4.       DC43 (JIS G4404)

5.       Cr12MoV (SKD11)

6.       9Cr18MoV (Stainless Steel)

Bimetallic Alloy Materials

1.       Ni-based alloy/Deloro alloy

2.       Fe-based alloy

3.       Co-based alloy

4.       NiCo-based alloy

5.       Tungsten carbide/Wolfram carbide

Processing Technics

1.       Heat treatment

2.       High-frequency quenching

3.       Nitriding treatment

4.       Bimetallic alloy welding

5.       Bimetallic alloy centrifugal casting

6.       Hard- chrome electroplating

Technical Parameters

1.       Nitriding layer depth: 0.5-0.8mm

2.       Nitriding Hardness: 900-1000HV (HRC 55-65)

3.       Nitrided brittleness: Less than grade 1

4.       Surface roughness: Ra0.4

5.       Linearity of screw: 0.015mm

6.       Bimetallic layer depth: ≥3mm

7.       Bimetallic layer hardness: HRC 55-70

8.       Hard-chrome plating hardness after nitriding: ≥950HV

9.       Chrome-plating layer depth: 0.03-0.1mm


Packaging & Shipping

 Part.1: Packaging

Aiming at different sales area, we will choose different, however, we are general using wooden caces packag.




Part.2: ShippingJinli gained a grobal sales network reaching Middle Esat, Southeast Asia, Eastern Europe, Africa, South America etc. 



Product Process



Company Information

    Zhoushan Jinli Screw Industry Co, Ltd was established in the year fo 1998, we are a professional manufacturer of designing, reseaching and manufacturing all kinds of screws, barrels and other accessories for plastic and rubber machinery.

    Our company is located in Zhoushan city, it covers an area fir 12000sqm and has over 100 employees. We are well equipped with a variety of advanced machines, experiened R&D team, strict quality control system and perfect after-sales service. Thses conditions are ensuring us best quality and creating more and more long-team customers.

   In order to keep high quailty, we built quality contral system strictly follow ISO9001:2008 international  Quality System. Jinli spirit of "based on honesty, build win-win situation", in past 20 years, we developed together with customers. We believe our unremitting efforts will help us win greater markets and play s bigger role in this field in the future.






 Why choose Jinli:

First-class designing and researching team; 
High quality and durable products of screw barrel; 
Most professional sales who can serve for you timely; 
Best customer service especially after-sale service; 
Powerful company's strength support long-term cooperation. 




Q1: What is the main based material of  your screw and barrel?

    The main based materials are 38CrMoAIA(JIS SACM645) and Cr12Mov(SKD11)


Q2: What is your processing technics?

    Heat treatment, High-frequency quenching, Nitriding treatment, Bimetallic alloy welding etc.


Q3: If we don't have drawings, what should we do?

   It's a small case, we can surveying and mapping by ourself.


Q4: How long is the quality guarantee period of your product?

    The general type screw barrels' quality guarantee period is about one year, but the bimetallic screw and barrel is 1.8 times of other screw barrel. 


Contact Information

Zhoushan Jinli Screw Industry Co, Ltd


Add: Xihou Industrial Park, Jintang Town, Zhoushan City, Zhejiang, China.

Tel: 0086-580-8230057

Fax: 0086-580-8053150

Mobile: 0086-15958096992

Postal Code: 316031

Web: www.jlscrew.com







Welcome to contact with us, we will reply you as soon as quickly.

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