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Name: Haijiang Sales Team
Tel: +86-574-87994054
Fax: +86-574-56877329
Mobile: +86-18658255281
Add: 707,Minghui Dasha 666#,Jinyulu,Yinzhou area, Ningbo city,China
Skype: haiflymachinery
QQ: 2692648818
SKYPE: haiflymachinery QQ: 2692648818

Screw barrels

Screw barrels
Product name:Screw barrels
Price:Please Click Below Inquiry Button

Our screw barrels are widely used in extruders, injection molding machine, rubber processing machine, other plastic rubber machine 
Screw barrel for rubber &plastic machine Product name: Injection / extruder machine/screw barrel/ screw barrel assembly part 
Key word: Screw barrel, bimetallic screw barrel, extruder screw barrel, screw barrel for injection molding machine, conical or parallel screw barrel,
Material: 38CrMoAlA, SKD11, SKD61, HPT2B, high quality alloy steel, etc 
Technology: Nitriding treatment, alloy coating sparying, heat-treatment, etc 
Appliance: PE, PVC, PP, etc 
Twin Screw BarrelTwin Screw Barrel

Technical index: 
Depth of Nitrated Layer: 0.5-0.8mm 
Hardness of nitration: 900-1020Hv 
Fragility of nitration: Less than grade 1 
Surface roughness: Ra 0.4um 
Hardness of Cr-coating Layer: ≥ 950Hv 
Thickness of Cr-coated Layer: 0.03-0.08mm 
Hardness of Bimetallic Layer: HRC55-72 
Depth of Bimetallic Layer: >2mm 
Used for granulation, PE, PP, PA, PC, ABS, AS, etc 
We supply various types of screw barrels according to customer's requirement
Screw &Barrel

Basic Info.

Model NO.:  Screwbarrel001

Type:  Injection Blow Molding

Material:  Bimetallic Alloy

Sorts:  Controlled by Electric Fully

Degree of Finish:  Ra>0.4um

Export Markets:  Global

Additional Info.

Trademark: Haifly screw

Packing:  Wooden Crate

Standard:  International Standard

Origin:  Dongguan, China

HS Code:  8477900000

Production Capacity:  500 Sets/Month
bimetallic screw barrel

Product Description

Zinc Alloy Twin Screw Barrel for Injection Molding Machine 

According to the customer demands to make the goods. 

Material: Alloy-Steel of High-Quality 

1) 38CrMoAlA(JIS SACM645) 

2) 42CrMo(AISI 4140) 

3) Cr12MOV(JIS SKD-11) 

4) 4Cr5MoSiV1(JIS SKD-61) 


Nitriding treatment 

Electroplated hard-chrome 

High-frequency quenching 

Spray coating Bimetallic-alloy 
extruder screw barrel


Screw can be mated with different heads of screw, barrel 

Can be mated with different sprinkler heads.
Screw Barrels