E-clip optimizes load-bearing capacity and integrates vibration damping, minimizing track settlement and maintenance frequency while delivering track stability under extreme conditions.
What is the function of the e rail elastic clip?
An elastic rail clip (or e-clip) functions as a crucial component in railway fastening systems, securing rails to sleepers, preventing unwanted rail movement (vertical, horizontal, creep, twist), absorbing vibrations, and ensuring track integrity and safety by providing a reliable, resilient connection that withstands dynamic train loads.
Key Functions:
- Secure Rail-Sleeper Connection: Fastens the steel rail to the baseplate and underlying sleeper (tie).
- Prevent Rail Movement: Holds the rail firmly, stopping it from moving side-to-side (lateral), up-and-down (vertical), or creeping along the track.
- Maintain Gauge: Ensures the correct distance (gauge) between the rails for safe passage of trains.
What are the specifications for replacing E-type rail clip fasteners?
Replacing E-type rail clips involves matching the clip's diameter (e.g., 16mm, 18mm, 20mm) to the rail profile (UIC54, 60kg, etc.) and using high-strength spring steel (60Si2MnA is common) for the clip, ensuring correct installation gaps (around 3/8" or 10mm) between the clip's arch and the tie plate, and potentially using specific pads/insulators (HDPE/Rubber) for concrete sleepers, following strict material and performance standards like hardness (HRC 42-47) and fatigue life.
Key Specifications for Replacement
- Clip Material: High-quality spring steel, often 60Si2MnA or 60Si2CrA, for excellent elasticity and durability.
| Material | 60Si2MnA | 60Si2CrA | 55Si2Mn | 38Si7 |
| Chemical composition(%) | C:0.56-0.64, Mn:0.60-0.90, Si:1.60-2.00, Cr:≤0.35, P:≤0.03, S:≤0.03 | C:0.56-0.64, Mn:0.40-0.70, Si:1.40-1.80,Cr:0.70-1.00 P:≤0.03, S:≤0.03 | C:0.52-0.60, Mn:0.60-0.90, Si:1.50-2.00,Cr:≤0.35 P:≤0.03, S:≤0.03 | C:0.35-0.42, Mn:0.50-0.80, Si:1.50-1.80, P:≤0.03, S:≤0.03 |
- Clip Diameter: Must match the rail profile and groove size, common sizes include E1609, E1809, E2007, E2055.
| Model | Diameter | Material | Under Pressure | HRC | Weight |
| E1609 | Ø 16mm | 60Si2MnA | ≥950kg | 44-48 | 0.43kg/pc |
| E1809 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.61kg/pc |
| E1813 | Ø 18mm | 60Si2MnA | ≥950kg | 44-48 | 0.62kg/pc |
| E2001 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
| E2009 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
| E2039 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
| E2007 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
| E2055 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
| E2056 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
| E2063 | Ø 20mm | 60Si2MnA | ≥950kg | 44-48 | 0.80kg/pc |
- Hardness: Typically HRC 42-47 for effective performance.
- Fatigue Life: Must withstand millions of cycles (e.g., 5 million) without failure.
- Installation Gap: Approximately 3/8 inch (around 10mm or a pencil's diameter) between the clip's inner edge and the shoulder/tie plate.
GNEE RAIL offer an extensive range of rail clips with optimum quality, these rail clips are designed with high precision and made up of premium grade spring steel. GNEE has been the largest and most competitive production base of rail clip in China after more than 18 years' rail clip producing experience, and have qualification to tender nationally large and medium scaled rail projects. What's more, our rail clip can be customized according to clients' requirements.