Bimetallic Twin Screw Barrel for Plastic Extrusion Machine

Price: 500.0~5000.0 USD
Trade Term: FOB
Payment Terms: T/T,WU
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Basic Info.
  • Plastic Type: PVC 
  • Use: Others 
  • Shaft Design: Single 
  • Brand Name: lianzhong 
  • Port: NINGBO 
  • Treatment: Nitriding or Bimetallic 
  • Material: 38Crmoala, SKD, SACM645, 42Crmo etc 
  • Apply for: PVC,UPVC, PP, PE, etc 
  • HRC: HV850-1100 
  • Surface Roughness: Ra0.4um 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air, Land
Supply Capacity
  • Production Capacity: 1500 sets
  • Packing:export standard wooden case
  • Delivery Date: 25-35 days

Screws and barrels for Extruder 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)

Size: Screw Diameter: 10mm- 400mm
Length: <=4000mm
Barrel ID: 10mm- 400mm
Technology: Nitriding treatment, alloy coating spraying, heat-treatment
Appliance: PVC, PP, PE, PA, PC, ABS, AS etc

Specification of dimension:
For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50
Fro barrel: Dia. 30-500 mm Length 300-8000 mm

Nitriding treatment
Electroplated hard-chrome
High-frequency quenching
Spray coating Bimetallic-alloy

Technical parameters:
Nitrition layer hardness: 900-1000HV
Nitrition fragility: Less than grade one
Surface roughness: Ra0.4um
Nitrition depth: 0.5-0.8mm
Cr-plating layer depth: 0.03-0.08mm
Cr-plating layer hardness: 850HV
Bimetallic layer hardness: 55HRC-68HRC
Bimetallic layer depth: 3-4mm

Screw can be mated with different heads of screw, barrel
Can be mated with different sprinkler heads.


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Ms. lu
Tel: 86-576-7784278
Mobile: +86-13503734287
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Contact Method
Yinshan Road, Huangyan Area, Taizhou, Zhejiang, China (Mainland) / 318020
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