screw and barrel for PVC extrude professional manufactory long work life anti corrosion alloy bimetallic steel

Technological Process:

Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining

For good plasticizing effect, we have different design of screw barrel to meet customer's demand:

gradual type, mutant type, wave type, barrier type, double screen type, shunt type, separation type, exhaust type, pin type, double-head type, multi head type etc.


Easy operation

Optimum performance


Low power consumption

Corrosion resistance


Alloy-steel of high-quality

Raw MaterialThe Finnished Product Processing Requirments
38CrMoAla, SACM645, 42CrMoNitriding Treatment
42CrMo, AISI4140Hard chrome coated layer
Cr12MoV, SKD11, SKD61, YXMI, EFZD,DC53, SKH55, SKH59, SKH58, SKH51, SKH-9, ASP60, ASP25, CW6Mo5Cr4V2 High frequency quenching
4Cr5MoSiV1, SKD-61, SKD-11Spraying bimetal alloy layer and nitriding treatment
YPT72, DAC-MAGIC, 4Cr5MoSiV1whole bimetallic cladding stainless steel
HPM38, SI36, SUS440, 9Cr18MoVHigh frequency quenching

Technical Parameters:

1. Nitride Depth: 0.5-0.8mm

2. Nitride Hardness: 950-1020HV

3. Surface Roughness: Ra≤0.4um

4. Screw Straightness: 0.015mm

5. Bimetallic Hardness: HRC50-65

6. Bimetallic Depth: 1.5-2.0mm

Screw & Barrel For Injection Molding Machine ( screw nozzle for injection screw & barrel )

Production scope:

Screw diameter : Φ15~Φ500

Maximum screw length : 10,000mm

Barrel inner bore diameter : Φ500mm

Mould Clamping Force : 100KN-35000KN

Shot Weight : 30-30000g

Screw can be mated with different heads.

Barrel can be mated with different nozzles.



FOB Price: US $ 100 - 5,000 / Set |
Minimum Order: 1 Set/Sets
Port: Ningbo /Shanghai
Payment Terms: T/T

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