E Type Rail Elastic Clip is one of the common track fasteners in the railway fastening system, which is used to provide positive and durable track alignment under harshest working conditions, thus extending the life of railway track. Generally, rail elastic clip is made of forged spring steel with a diameter range from 18mm to 23mm, the main function of rail clip is to fasten railroad sleeper and steel rail together. The rail clip is considered as one of the best ways to ensure that rails not move, bend, warp, etc.
What's the compression resistance of E rail elastic clip?
E-clip compression resistance (or clamping force/toe load) varies by diameter, but typically ranges from 500 kgf (16mm) to 1400 kgf (20mm), with a high yield strength (around 1176 MPa) and stiffness (approx. 1.1 kN/mm or 206 GPa modulus) ensuring they maintain strong elastic force for millions of cycles, preventing rail movement.
Key Resistance Factors
Toe Load: This is the actual clamping force, defined by the clip's design and diameter, not just material strength.
Material Strength: Made from spring steel (like 60Si2MnA), they have high yield strength (e.g., 1176 MPa) and hardness (44-48 HRC).
Elastic Modulus: Around 206 GPa, allowing for significant elastic deformation.
Fatigue Life: Designed to withstand millions of load cycles (e.g., 5 million) without breaking under normal use.
| Name | E-type rail clip |
| Material | 60Si2MnA 60Si2CrA 55Si2Mn 38Si7 |
| Hardness | 44-48HRC |
| Fatigue Life | for Dia.18 is 3 millions cycles without breaking |
| for Dia.20 is 5 millions cycles without breaking | |
| Surface | plain (oiled), Oxide black, color painting or according to customer requirement |
| Standard | DIN17221, BS970, GB/T1222 |
What are the advantages of using e-railway elastic clips?
E-railway elastic clips offer advantages like vibration/noise reduction, enhanced safety, durability, and lower maintenance by using spring steel to provide constant clamping force, absorbing dynamic loads, resisting creep, and simplifying installation, ultimately improving track life, stability, and passenger comfort. They provide a self-tensioning, "fit-and-forget" system, reducing manual checks, suitable for heavy loads, high speeds, and various environments.
Vibration & Noise Reduction: Their elastic design effectively dampens vibrations and noise from passing trains, improving comfort and reducing track wear.
High Safety & Stability: They provide strong, reliable fastening, preventing rail movement (creep, tipping) and maintaining consistent gauge for safer transport.
Durability & Longevity: Made from spring steel with corrosion resistance, they withstand harsh conditions and high loads, leading to longer service life.
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.