Description
Technical Parameters
Railway Screw Spikes - Product Specifications & Applications
| Parameter Category | Technical Specification | Application Context |
|---|---|---|
| Product Designation | Heavy-duty Screw Spike | Suitable for main railway lines |
| Material Composition | 40Cr/35VB alloy steel | Enhanced wear resistance |
| Surface Finish | Mechanical galvanizing 60μm | Alternative to hot-dip galvanizing |
| Thread Specification | UNC coarse thread series | Prevents vibration loosening |
| Standard Dimensions | 5/8"×6" to 1"×8" | Imperial size options available |
| Proof Load Test | Meets ISO 898-1 Class 8.8 | Quality assurance standard |
| Installation Method | Impact wrench compatible | Efficient installation ensured |
| Service Environment | -40°C to +60°C | Wide temperature adaptation |
Railway Screw Spikes - Performance & Quality Verification
| Verification Aspect | Performance Standard | Quality Evidence |
|---|---|---|
| Microstructure Analysis | Fine tempered sorbite | Metallographic test report |
| Impact Toughness | ≥40J at -40°C | Low-temperature impact test |
| Stress Durability | 5000 hours salt spray test | Corrosion resistance verified |
| Vibration Test | 2×10^6 cycles at 25Hz | Anti-loosening performance |
| Non-destructive Testing | Magnetic particle inspection | Surface defect detection |
| Assembly Compatibility | Fits standard base plates | Interchangeability guaranteed |
| Production Certification | ISO 9001:2015 | Quality management system |
| Delivery Condition | Anti-rust oil protection | Ready for immediate use |
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