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Help CenterHigh-Quality Forged Extruder Plunger for Industrial Machinery Applications
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As a specialized manufacturer since 2017, Wuxi Weiman Gaodeng Special Steel Co., Ltd. delivers precision-forged extruder plungers that redefine durability in industrial operations. Our 1,000-3,000 sqm facility combines advanced forging technology with metallurgical expertise to produce plungers capable of withstanding extreme extrusion pressures. With annual exports exceeding $5 million to global markets including North America, Europe and Asia, we ensure each plunger enhances machinery performance while minimizing downtime.
Engineering Excellence & Performance Features
- Advanced Forging Technique: Utilizing closed-die hot forging at 1100-1250°C for superior grain structure and fatigue resistance
- Material Superiority: Customizable alloy steel compositions (H13, 4140, 4340 options) for specific thermal/mechanical stress requirements
- Precision Machining: CNC-controlled finishing with ±0.02mm tolerance for perfect seal integration
- Thermal Management: Optimized heat treatment cycles prevent deformation under continuous high-temperature operation
Technical Specifications
| Parameter | Standard Range | Custom Options |
|---|---|---|
| Diameter | 80-500mm | Up to 800mm |
| Stroke Length | 500-2500mm | Extended lengths available |
| Working Pressure | 800-1500 MPa | High-pressure designs |
| Surface Finish | Ra 0.4μm | Mirror polishing |
Operational Benefits
- 35% longer service life compared to cast alternatives due to forged integrity
- Reduced maintenance frequency with precision-sealed wear surfaces
- Energy savings through optimized mass distribution and friction reduction
- Compatibility with aluminum, copper, and polymer extrusion systems
Global Reliability Assurance
Backed by our 101-200 strong technical team and shipping from multiple Chinese ports (Shanghai, Ningbo, Suzhou), we guarantee consistent quality across all 50+ served markets. Our plungers undergo rigorous:
- Ultrasonic testing for internal defects
- Dimensional validation with CMM
- Load simulation up to 120% rated capacity
Contact our engineering team for custom solutions that match your specific extrusion pressure profiles and production volumes.
Frequently Asked Questions
Q: What materials are available for extreme temperature applications?
A: We offer H13 tool steel with optional nitriding for operations exceeding 500°C, maintaining hardness above HRC 45.
Q: Can you replicate obsolete plunger designs?
A: Yes, our reverse engineering service can reproduce discontinued components from samples or drawings.
Q: How do you prevent surface scoring in abrasive media?
A: Through proprietary surface hardening techniques creating 0.5-1.2mm case depth with HRC 60+ hardness.
Q: What is your minimum order quantity?
A: MOQ starts at 1 unit for standard designs, with volume discounts available.
Q: Do you provide installation guidance?
A: Comprehensive mounting manuals and video tutorials accompany every shipment.
Q: How do you handle international shipping?
A: We manage documentation and logistics from designated ports, with Incoterms flexibility.
Q: What warranty do you offer?
A: 18-month warranty against manufacturing defects under normal operating conditions.
Q: Can you provide material certifications?
A: Full traceability with Mill Test Certificates available upon request.
Send Inquiry to This Supplier
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