What Are the Advantages of E Type Rail Elastic Clip?
The E-type rail elastic clip has become a mainstay in global track fastening systems due to a series of proven exceptional advantages. These advantages collectively form a solid foundation for the safe, stable, and economical operation of railway tracks.
Firstly, its core advantage lies in outstanding mechanical performance and long-term reliability. Manufactured from premium spring steel (e.g., 60Si2MnA) and subjected to precise heat treatment processes, the E-type clip achieves high hardness (typically 44-48 HRC) and an extremely high fatigue life. This enables it to withstand millions of cycles of severe impact loads without fracturing or plastically deforming, providing long-term, stable, and consistent clamping force to the track. This effectively prevents rail creep at its root and ensures precise gauge maintenance.
| railway E clips Specifications | ||||
| Type | E clip (e1809, e2006,e2007,e2009,etc) | |||
| Skl clip (skl1,skl3,skl12,skl14) | ||||
| Or the type by customers' drawings | ||||
| 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 |
| Hardness | For e clip: 44-48HRCFor skl clip: 42-47HRC | |||
| 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 | |||
| Standard refers | DIN17221, BS970, GB/T1222 | |||
Secondly, the E-type clip possesses excellent elasticity and self-adjusting capability. Its unique "E" shape is inherently an efficient elastic element. When a train passes, it absorbs and releases energy through slight elastic deformation, effectively cushioning dynamic impacts and vibrations. More importantly, even when minor wear or loosening occurs in track components due to high-frequency vibrations and temperature variations, the stored elastic potential energy in the clip drives it to automatically make fine adjustments, continuously compensating for any loss of pressure due to wear. This ensures the clamping force remains effective, significantly reducing the frequency and intensity of routine maintenance.
Thirdly, simple installation and maintainability contribute significantly to its economic benefits. With its mature structural design, the E-type clip can be installed without special or complex tools. It allows for efficient batch installation using specialized machinery, as well as easy manual installation and removal on-site using hand tools. This "design for maintenance" philosophy greatly enhances the efficiency of track upkeep and shortens line possession times, thereby substantially saving operational and maintenance costs over its entire lifecycle.
Furthermore, the E-type clip system demonstrates strong environmental adaptability and versatility. Through various surface treatments (e.g., oiling, oxide blackening, zinc plating), it can withstand harsh environments ranging from humidity and salt-alkali conditions to industrial pollution, effectively resisting corrosion. Simultaneously, its standardized model range (e.g., E2055, E2001) ensures broad compatibility with various rail types and sleeper designs worldwide, offering a perfectly matched E-type clip solution for everything from heavy-haul mainlines to urban subways.
The E-type clip fastening systems provided by GNEE RAIL not only fully embody all the technical advantages mentioned above but are also backed by our stringent quality control, comprehensive product range, and professional customization capabilities. We ensure you receive the track fastening products with optimal performance, longest service life, and the highest overall cost-effectiveness.
