Rail E Clip Fastening System
The Railway E-Clip is a resilient spring steel fastener that locks rails onto concrete sleepers. Its asymmetric shape generates a consistent toe load, securing the rail against vertical and lateral forces from train traffic. Designed for high fatigue resistance, the clip absorbs dynamic shocks without loosening. This maintenance-free component is essential for high-speed lines, freight routes, and urban transit systems. Installation is fast using a hydraulic applicator, ensuring uniform clamping across long track sections.
Technical Specifications:
| Parameter | Value | Unit |
|---|---|---|
| Material Grade | 60Si2Mn | Spring steel |
| Hardness | 42 – 48 | HRC |
| Toe Load | 10 – 12 | kN |
| Maximum Deflection | 14 | mm |
| Fatigue Cycles | 2.5 million | minimum |
| Coating Thickness | 80 | μm |
| Operating Temp | -40 to +70 | °C |
| Tool Type | Hydraulic | applicator |
| Rail Compatibility | 50E1 – 60E1 | UIC profiles |
Installation & Maintenance Perspective:
- Asymmetric legs convert vertical wheel load into elastic clamping pressure.
- Progressive spring rate adjusts resistance as deflection increases under load.
- Constant toe load prevents rail creep and gauge widening over time.
- Energy absorption reduces transmitted vibration to concrete sleepers.
- Self-centering geometry maintains alignment after repeated load cycles.
Maintenance & Operational Perspective
- 60Si2Mn spring steel provides high yield strength for elastic recovery.
- Quenching and tempering create uniform martensitic structure for durability.
- Chromium alloy addition enhances hardenability and fatigue resistance.
- Hot-dip galvanizing prevents corrosion in tunnel and coastal environments.
- Surface hardness balances wear resistance with ductility for installation.
Gnee Professional supplier
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