E-type rail clip can provide durable alignment which can protect the steel rail and the fastenings from high pressure. The materials of e clip is spring steel which make e clip of high strength. There are many types of e clip: E1609, E1809, E1817, E2007, E2009, E2055, etc.
What are the load-bearing requirements for E-type rail clip fasteners?
E-type rail clips provide robust fastening, meeting standards like EN13481 by offering significant toe loads (e.g., 10kN for standard types, up to 14kN max) and high creep/twist resistance, designed for various loads up to 26 tonnes axle weight (and heavier-duty versions for up to 40t), using high-strength spring steel for durability and fatigue resistance (millions of cycles).
Key Load-Bearing Characteristics
- Toe Load: This is the primary measure of downward force. Standard E-clips often target ~10kN (kilonewtons) per clip, with maximum forces reaching 14kN, but this varies by diameter and manufacturer.
- Axle Load Capacity: Systems using E-clips are rated for different traffic types, commonly handling up to 26 tonnes axle loads, with specialized heavy-haul versions supporting up to 40 tonnes.
- Creep & Twist Resistance: The clips, along with rail pads, create a permanently elastic grip, ensuring high resistance to longitudinal rail movement (creep) and twisting, crucial for welded tracks.
| 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 is the working principle of the railway elastic clip?
Railway elastic clips work by using their inherent spring properties to create a strong, flexible clamping force (toe load) that secures the rail to the sleeper, preventing lateral/longitudinal movement and absorbing vibrations, effectively maintaining correct rail gauge and ensuring safety under repeated high stresses, impacts, and temperature changes. Made from spring steel, they flex and twist, applying pressure to hold the rail down and prevent shifting, while also cushioning the impact from passing trains, crucial for track stability.
Key Principles:
- Elasticity & Spring Action: The clip's design allows it to bend and twist, creating a continuous, elastic clamping force on the rail.
- Clamping Force (Toe Load): This pressure secures the rail to the sleeper (or baseplate), preventing it from moving sideways (lateral) or lengthwise (longitudinal) due to train forces or temperature fluctuations.
- Vibration & Shock Absorption: The elastic structure absorbs energy from wheel impacts, reducing noise, vibration, and stress on the track components.
- Stress Management: They are designed to handle repeated bending, torsion, and fatigue from constant train loads, while also resisting corrosion.
- Gauge Maintenance: By holding the rail firmly, the clip ensures the correct distance (gauge) between the rails, which is vital for safe train passage.
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.