Applications of E Type Rail Elastic Clip in Rail Fastening System
The E-type rail clip fastening system is one of the most classic and widely used technologies in modern track engineering. Its core component-the E-type elastic clip, with its unique geometric design and superior mechanical properties, provides crucial stability and durability to the railway track. This system utilizes a spring steel clip shaped like the letter "E" to apply a continuous and powerful clamping force, precisely securing the rail to concrete sleepers or metal baseplates, forming a solid line of defense for the track structure.
| Item included | Quantity | Material | Size | Remark |
| E clip | 2 | 60Si2MnA, 60Si2CrA | Dia. 16mm,18mm or 20mm (E1809, E2006,E2007,E2009,etc | Hardness: 44-48HRC |
| Toe Load: Dia.16mm: 500-700kgf; Dia.18mm:750-900kgf; Dia.20mm:1100-1400kgf | ||||
| Fatigue life: 5 millions cycles without breaking | ||||
| Standard: DIN17221, BS970, GB/T1222 | ||||
| Shoulder | 2 | QT500-7, QT450-10 | For UIC54, UIC60, 115RE, BS80lbs, BS100lbs, 50kg rail, 60kg rail, etc. | Note: Hardness of E-clip is 44-48HRC; Toe Load for E-clip is 500-700kgf (Dia.16mm); 750-900kgf(Dia.18mm); 1100-1400kgf(Dia.20mm); Fatigue life of E-clip is 5 millions cycles without breaking DIN17221, BS970, GB/T1222 qualified E-clip |
| Rail pad | 1 | HDPE, rubber or EVA | ||
| Insulator | 2 | Reinforced Nylon 66 (PA66) |
The application areas of this system are extensive, covering almost all types of railway scenarios. On heavy-haul railways that carry bulk cargo, where axle loads are immense and impact forces are high, the E-type clip effectively resists significant longitudinal and lateral forces due to its high fatigue strength and excellent elasticity, preventing rail creep and ensuring track smoothness. On high-speed passenger dedicated lines and railways, where system stability directly impacts operational safety and ride comfort, the constant clamping force provided by the E-type clip ensures precise gauge and effectively absorbs high-frequency vibrations, providing a stable track platform for high-speed trains.
| 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 |
Furthermore, in urban rail transit systems such as subways and trams, the high frequency of departures and frequent starts/stops place higher demands on the durability and maintenance convenience of the fastening system. The E-type clip system, with its relatively simple structure and easy installation and replacement, can significantly reduce lifecycle maintenance costs. Simultaneously, its insulating components effectively block track current, ensuring operational safety. The system is highly versatile, adaptable to various rail sections from 50kg/m to 60kg/m, and can meet the elastic and insulating needs of different lines by pairing with various rail pads and insulating gauge blocks.
| 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 | |||
As a reliable supplier of track components, GNEE RAIL provides a full range of E-type clip fastening system solutions. Our E-type clips are manufactured from premium spring steel and undergo precise heat treatment processes, ensuring their hardness and fatigue life fully comply with international standards. We are committed to providing customers with high-performance, long-lasting, and cost-effective track fastening products, supporting the construction and development of global railway infrastructure.
If you require more technical details about the E-type clip fastening system or wish to obtain a customized solution, please do not hesitate to contact GNEE RAIL. We look forward to offering you our professional services.
