Why use rail elastic clips

Sep 28, 2025 Leave a message

The Rail Clip is an indispensable key component in the railway fastening system. Its primary function is to securely fasten the rail to the sleeper (or Rail Tie Plate) while providing necessary elastic restraint, thereby ensuring the stability of the track structure and the safety of train operation.

 

rail clip

 

There are several important reasons for using rail clips:

 

Firstly, the rail clip ensures gauge stability. During train operation, vertical and lateral forces are generated. Without reliable elastic fastening, the rail gauge is prone to change, potentially leading to unstable train operation or even derailment. By elastically clamping the rail, the clip maintains stability in both the longitudinal and lateral directions, thereby guaranteeing the long-term precision of the track geometry.

 

rail clip

 

Secondly, the rail clip provides vibration damping and cushioning. When train wheel loads are transmitted through the rail to the sleeper and ballast, impact and vibration occur. The rail clip, utilizing its own elasticity and in conjunction with the Rail Pad, absorbs impact forces, reduces the transmission of vibration to the sleeper and ballast, decreases rail fatigue and sleeper wear, and simultaneously mitigates the environmental impact of noise.

 

rail clamp

 

Thirdly, the rail clip secures the rail and prevents its longitudinal movement. Working in coordination with other fastening system components such as the tie plate, Rail Bolt, Rail Anchor, and Fishplate, it forms a stable integrated structure, enabling the rail to maintain a reliable position even under high-speed train or heavy-haul transport conditions.

 

rail fastening

 

Furthermore, rail clips are easy to install and have long maintenance intervals. They are suitable for various sleeper types, including concrete, timber, and composite sleepers, and are widely used in high-speed railways, heavy-haul railways, and industrial track systems.

 

Specifications of Rail Clips

 

E-type Clips
Model Diameter Material Hardness
E1809 ø20 60Si2MnA 44-48
E1813 ø18 60Si2MnA 44-48
E2001 ø20 60Si2MnA 44-48
E2039 ø20 60Si2MnA 60Si2MnA
E2055 ø20 60Si2MnA 60Si2MnA
SKL Tension clips
Model Diameter Material Hardness
SKL1 ø13 60Si3CrA 42-47
SKL3 ø13 60Si3CrA 42-47
SKL12 ø13 38Si7 42-47
SKL14 ø14 60Si2MnA 42-47

 

Other Rail Clips
Model Russia rail clip Deenik clip Anti-vandal clip Fast clip GL1419 GL1419
Diameter ø18 ø25 ø18 ø15 ø14

 

GNEE RAIL can supply various specifications and models of rail clips, made from materials including high-strength spring steel and alloy steel. Contact us for more product information.