The E-type rail clip is a high-efficiency track fastener designed without bolts. Its core advantages of "easy installation and no need for periodic torque adjustment" allow for quick installation and removal using specialized tools, significantly reducing track construction timelines and maintenance costs. Its split design enables flexible adaptation to different sleeper spacings, making it particularly suitable for time-sensitive railway repair projects and cost-sensitive branch line construction.
| Item | E Clip Fasteners | |||
| Chemical Composition | 60Si2MnA | 60Si2CrA | 55Si2Mn | 38Si7 |
| C:0.56-0.64, Mn:060-0.90, Si:1.50-2.00, 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 | 44-48 HRC | |||
| Fatigue Life | 3-5 million cycles without breaking | |||
| Surface | Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized, Dacro coating, Color Painting | |||
| Standard | UIC, AREMA, BS, RDSO, DIN, JIS, ISCR, VALEC, GOSTR- EASC, GB/T or other upon requirements | |||
| Package | Moven Bag, Pallet | |||
| Delivery | Depends on order | |||
The E 2055 rail clip is a type of fastening component used in the railway industry to secure rails to railroad ties or sleepers. Rail clips play a crucial role in maintaining the stability and integrity of the railway track system by preventing lateral movement of the rails.
| Item | Diameter | Material | Weight | HRC Under pressure | Fatigue test |
|---|---|---|---|---|---|
| E2055 | ø20 | 60Si2MnA, 60Si2Cr, 55Si2Mn, 38Si7 | 0.80 kg | 44-48 | ≥950kg 5000000 times without breaking |
What are the common failure modes of the e2055 rail clip?
Common failure modes for E2055 (e-type) rail clips are primarily fatigue cracking, especially at the inside of the rear arch, due to repeated stress, vibration, heavy loads, or improper installation (over/under-deformation). Other issues include corrosion, material defects (inclusions, surface flaws), wear from friction, and loss of elasticity (creep), all leading to reduced grip and potential rail instability.
Key Failure Mechanisms:
Fatigue Fracture: The most significant failure mode, occurring at the inner radius of the rear arch.
Causes: High-frequency train traffic, heavy axle loads, rail irregularities (corrugation, welds), and resonant vibrations.
Installation Issues: Incorrect clip deflection (too much or too little) drastically shortens fatigue life.
Corrosion: Exposure to moisture, de-icing salts, and pollutants accelerates rust, weakening the clip.
Material Defects: Flaws from manufacturing, like cracks, scars, or non-metallic inclusions, act as stress risers, initiating fatigue cracks.
Wear & Tear: Friction with the rail base and sleeper causes material loss and reduced clip performance.
Creep (Plastic Deformation): Under sustained high loads and temperatures, clips can permanently deform, losing their essential elastic force.
Preventative Measures:
Ensure proper installation with recommended clip deflection (often 10-12mm) and gap.
Regular inspections for cracks, corrosion, and proper torque.
Use high-quality spring steel with good surface finish.
GNEE RAILWAY RAILWAYL as the largest rail clip and clamp production base in China, which has been qualified to tender medium and large scaled railway projects. In addition, GNEE RAILWAY RAILWAYL is approved elastic rail clip manufacturer by China's Railway Ministry and has been ISO9001-2008 certified. Our rail clip product is ideal for rail track assembly for advantages of easy fitment while track laying; economical maintenance; long durability and lifespan; fast replacement.
