Comparison table of rail fastening clips (elastic rail clips) for Conventional Railways, High-Speed Railways, and Urban Rail Transit (Metro)
| Category | Conventional Railway Rail Clip | High-Speed Railway Rail Clip | Urban Rail Transit (Metro) Rail Clip |
|---|---|---|---|
| Speed Range | ≤160 km/h | ≥250 km/h | ≤120 km/h |
| Typical Types | Type I, Type II (TB/T 1495) | WJ-7, WJ-8, Vossloh SKL | DTⅢ, e-type clip, Nabla |
| Stiffness | Medium (load-bearing focused) | High (precise track alignment) | Low (vibration damping prioritized) |
| Fatigue Life | ≥1 million cycles | ≥3 million cycles | ≥2 million cycles |
| Material | 60Si2Mn, 55Si2Mn (spring steel) | 60Si2CrA, nano-modified alloy steel | Stainless steel (SUS304), hot-dip galvanized steel |
| Corrosion Protection | Standard zinc plating or paint | Dacromet coating, multi-alloy plating | Hot-dip galvanizing, stainless steel |
Conventional Railway Clips: Simple design, cost-effective, but lower fatigue & corrosion resistance.
High-Speed Railway Clips: High precision, elasticity, and advanced materials for stability at high speeds.
Metro Clips: Optimized for vibration damping and corrosion resistance in humid underground environments.
Specification
|
Item |
Elastic Strip |
|
Material |
60Si2Mn/60Si2Cr |
|
Type |
For train railway subway |
|
Usage |
Rail Industry |
|
Pack |
Standard Package |
|
Color |
Customized Color |
Application of Rail Clips
Railway spring clips are widely used in conventional railways, high-speed railways and urban rail transit to fix rails, provide elastic buffers and maintain track gauge stability. Conventional railway spring clips focus on load bearing (such as Type I and Type II), high-speed railway spring clips (such as WJ-7) require high smoothness and fatigue resistance, and subway spring clips (such as DTⅢ) focus on vibration reduction, noise reduction and corrosion resistance.
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