Screw Barrel of Extruder machine

Price: 100.0~10000.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C
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Basic Info.
  • Place of Origin: Zhejiang, China (Mainland) 
  • Brand Name: shenglong 
  • Screw diamter: 45mm,55mm,65mm.75mm,90mm,100mm,110mm 120mm and etc 
  • Ratio of length to diameter: L/D=22:1 OR 30:1 
  • Usage: blow molding process parts 
  • appliance: Suit for pe (hdpe, ldpe, lldpe) film blowing 
  • screw type: extrusion cylinder for pe film blowing machine parts 
  • Plastic processed: Suit for hdpe ,ldpe, lldpe film blown machine 
  • Advantages: 1.Strong Technical Support 2,After sales service 
  • Bimetallic alloy: Cobalt based alloy &Tungsten carbide covering (duplex alloy layer) 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 3000 set/month
  • Packing:wooden case
  • Delivery Date: 25-35days


Extruder screw barrel
1. ISO 9001:2008 Certificate.
2. Advanced nitrating technology
3. Quality twin-phase stainless


Alloy-steel of high-quality

1. 38 CrMoAIA(JIS SACM645)

2. 42CrMo(AISI4140)

3. 9Cr18MoV

4. CW6Mo5Cr4V2

5. SKD61



2.Nitriding treatment

3.Electroplate hard-chrome

4.High-frequency quenching

5.Spraying corrosion wear-resisting dual metal layers

6.Vacuum quenching

Technical Parameters:


1. Nitride Depth: 0.55-0.7mm

2. Nitride Hardness: 850-960HV

3. Surface Roughness: Ra≤0.8um

4. Screw Straightness: 0.015mm

5. Bimetallic Hardness: HRC50-62

6. Bimetallic Depth: 1.5-2.0mm


1. Nitride Depth: 0.55-0.7mm

2. Nitride Hardness: 960-1020HV

3. Surface Roughness: Ra≤1.6um

4. Bimetallic Hardness: HRC50-65

5. Bimetallic Depth: 1.5-2.0mm

Send message to this supplier
Ms. Ruth Shen (sales)
Tel: 86-580-8055263
Mobile: 13857884034
Enter between 20 to 3,000 chatacters.
Contact Method
Zhoushan Shenglong Machinery Co.,Ltd.
Chuanchang Road,No.11,Ligang Industry,Dinghai, Zhoushan, Zhejiang, China (Mainland) / 316032
Fax: 86-580-8053677
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