Product Overview
ZHITIAN twin screw extruder screw elements are engineered for high-performance mixing, dispersion, and conveying in modern extrusion lines. Each element is CNC-machined with micron-level precision, ensuring excellent fit, torque transmission, and flow balance between elements.
Designed to meet the demands of plastic compounding, engineering polymer modification, and additive masterbatch production, these screw elements combine wear resistance, corrosion protection, and dimensional stability for consistent performance even under high-shear and high-temperature conditions.
Technical Data Table
| Material Type |
Typical Grade |
Key Property |
Hardness (HRC) |
Application |
| High-Speed Tool Steel |
W6Mo5Cr4V2 |
Excellent wear resistance |
60–65 |
High-shear compounding and filler applications |
| Nitrided Steel |
38CrMoAl |
Good toughness and nitrided hard surface |
58–62 |
General-purpose extrusion |
| Tool Steel |
Cr12MoV |
High wear resistance and stability |
60–64 |
Reinforced and abrasive material processing |
| Hot-Work Tool Steel |
SKD61 |
Excellent thermal fatigue resistance |
56–60 |
High-temperature extrusion |
| PM-HIP Alloy |
SAM26 / SAM39 / CPM10V / CPM9V |
Superior wear + corrosion resistance |
62–68 |
Harsh wear or corrosive compounding environments |
Key Advantages
Tight dimensional tolerance (≤0.02 mm) ensuring smooth assembly and interchangeability
Material options for both wear and corrosion resistance
Optimized flight geometry for efficient mixing and uniform material distribution
Compatible with international extruder models (Coperion, Leistritz, Theysohn, JSW, and more)
Custom-made elements available according to drawing or material requirement
Applications
Engineering plastic compounding (PA, PC, PBT, PET, etc.)
Color and additive masterbatch production
Filler and flame-retardant plastic modification
Rubber and thermoplastic elastomer extrusion
Biodegradable material and recycled plastic processing
About ZHITIAN
ZHITIAN is a leading manufacturer of twin screw extruder components, specializing in screw elements, barrels, gearboxes, and shafts. With over 20 years of experience and a focus on precision machining, powder metallurgy materials (SAM26, SAM39, CPM10V, CPM9V), and laser cladding repair, ZHITIAN delivers reliable, high-performance extrusion solutions trusted by customers in Europe, America, and Asia.
FAQ
Q1: What materials are best for high-wear applications?
A1: W6Mo5Cr4V2 and CPM10V are ideal for abrasive and high-shear processes, offering outstanding wear resistance and durability.
Q2: How to improve corrosion resistance in screw elements?
A2: Use PM-HIP materials like SAM26 or SAM39, which combine wear and corrosion resistance for demanding processing conditions.
Q3: Are ZHITIAN screw elements interchangeable with other brands?
A3: Yes. Our elements are fully compatible with most global twin screw extruder models, based on accurate CAD measurement and standardization.
Q4: Can you manufacture according to our drawings or samples?
A4: Absolutely. ZHITIAN supports OEM production based on technical drawings, 3D scanning, or reverse-engineering from worn parts.
Q5: How do you ensure consistent quality?
A5: Every screw element undergoes hardness testing, 3D coordinate measurement, and metallurgical inspection before shipment.
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