e rail elastic clip
An E-type rail clip, also known as an elastic rail fastening or E-clip, is a spring-loaded fastening device that provides permanent elastic clamping for rail systems. These clips mount to sleepers using four coach screws and double spring washers, creating a secure yet flexible connection. The E-clip design provides a firm grip on the rail while allowing controlled movement and vibration absorption.
| Types and Specification of E Clip Fasteners | ||||
| 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 | |||
| 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 |
Frequently Asked Questions
- What makes E-clips "elastic" compared to rigid fastening methods?
E-clips are manufactured from spring steel that flexes under load while maintaining consistent clamping force. This elasticity allows the clip to accommodate rail movement from thermal expansion and train passage while continuously applying downward pressure, unlike rigid spikes that can loosen over time.
- Are E-clips suitable for high-speed rail applications?
Yes, E-clips are widely used in high-speed rail systems due to their excellent vibration dampening and consistent clamping characteristics. Their ability to maintain proper rail positioning under dynamic loading makes them ideal for tracks experiencing speeds above 200 km/h where traditional rigid fasteners might fail.
- How much vertical rail movement do E-clips allow?
E-clips typically permit 3-5mm of controlled vertical rail movement under load. This engineered flexibility helps absorb impact forces while preventing excessive displacement that could compromise track geometry or cause passenger discomfort.
As an OEM & OBM manufacturer, GNEE RAIL is capable of not only producing a wide range of internationally common types of rail clips, such as W Tension Clamp, e-Clip, Fast-Clip, SKL Tension Clamp, Nabla Blade, etc., but also customizing products tailored to our customers' specific requirements.
