E-clip optimizes load-bearing capacity and integrates vibration damping, minimizing track settlement and maintenance frequency while delivering track stability under extreme conditions.
| E-type Rail clip specification | |
| 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 |
How is the elasticity of E-type rail clip fasteners ensured?
Elasticity in E-type rail clips is ensured through the use of high-quality spring steel (like 55 Si7, 60Si2MnA) as raw material, precise heat treatment (quenching & tempering for strength/toughness), and a specific design/manufacturing process (hot forging for uniform microstructure) that allows for controlled deformation and rebound, providing continuous clamping force and vibration absorption for long-term track stability.
Material Selection:
Made from specialized spring steel, chosen for its excellent mechanical properties, high fatigue strength, and elastic resilience after heat treatment.
| 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 |
Manufacturing & Heat Treatment:
Hot forging creates a uniform microstructure, enhancing durability and performance compared to other forming methods.
Quenching and tempering processes transform the steel into a state with high hardness and toughness, preventing brittle failure while maintaining elasticity.
Design & Function:
The clip's specific shape allows it to provide a constant toe load, holding the rail down firmly.
It's designed to absorb vibrations and impacts from passing trains, preventing rail movement and extending track life.
Quality Control:
Rigorous testing ensures clips withstand millions of load cycles without significant residual deformation, confirming their elastic performance.
What are the specifications for e-rail clips?
E-rail clip specifications focus on material (spring steel), hardness (44-48 HRC), fatigue life (millions of cycles), and performance (toe load, tension), adhering to standards like UIC, AREMA, or DIN, with variants for different rail profiles (e.g., UIC60, 115RE) and customized for corrosion protection and specific site needs.
| 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 |
GNEE RAIL supplies E rail clips, SKL rail clips, Nabla types rail clips, KPO rail clips, and other customized types of rail clips with competitive price and factory delivery, if you have any need, please feel free to contact us!