Recommended for processing:
HDPE, LDPE, LLDPE, PP, PVC, PET, PA, PC, ABS, PMMA, POM, TPU, EVA, Glass Fiber Reinforced Plastics, CaCO₃ Filled Materials, Flame Retardant Materials and Recycled Plastics.
Technical Specifications
| Item | Specification |
| Base Material | High-quality Alloy Steel (38CrMoAlA / SACM645 / DIN 1.8509 Optional) |
| Lining Material | Nickel-Based Bimetallic Alloy |
| Manufacturing Process | Centrifugal Casting |
| Alloy Layer Thickness | 1.5–3.5 mm |
| Barrel Inner Diameter | Ø20–Ø500 mm |
| Maximum Barrel Length | Up to 10,000 mm |
| Inner Layer Hardness | HRC 58–64 |
| Base Material Hardness | HB 240–280 |
| Straightness | ≤0.015 mm / 1000 mm |
| Inner Surface Roughness | Ra ≤0.4 μm |
| Concentricity | ≤0.03 mm |
| Nitriding Depth (Outside) | 0.5–0.8 mm (Optional) |
| Wear Resistance | Excellent |
| Corrosion Resistance | Excellent |
| Working Temperature | Up to 450°C |
Standard Alloy Composition
| Alloy Type | Main Characteristics | Recommended Materials |
| Fe-Based Alloy | Excellent Wear Resistance | PP, PE, ABS |
| Ni-Based Alloy | Wear + Corrosion Resistance | PVC, Flame Retardant Plastics |
| WC Reinforced Alloy | Ultra High Wear Resistance | Glass Fiber Filled Materials |
| Co-Based Alloy | High Temperature & Corrosion Resistance | Special Engineering Plastics |
Performance Advantages
✔ Excellent Wear Resistance
✔ Superior Corrosion Resistance
✔ Longer Service Life
✔ Excellent Heat Transfer Performance
✔ High Dimensional Stability
✔ Precision Machining
✔ Suitable for Continuous Heavy-Duty Production
✔ Reduced Maintenance Costs
Quality Control
Every barrel undergoes strict inspection before shipment:
- Chemical Composition Analysis
- Ultrasonic Testing (UT)
- Hardness Testing
- Bore Precision Inspection
- Straightness Inspection
- Surface Roughness Inspection
- Dimensional Inspection
- Dynamic Balancing (if required)
100% inspected before delivery.
Optional Customization
- Diameter: Ø20–Ø500 mm
- Length up to 10 meters
- Metric or Imperial Dimensions
- Different Flange Standards
- Heating/Cooling Holes
- Thermocouple Holes
- Water Cooling Channels
- Special Wear Resistant Alloy
- OEM & Drawing Customization Available