The Purpose Of The Nabla Rail Clip

Sep 03, 2025 Leave a message

Rail clip, or called elastic rail clip, is used to fasten steel rails to the underlying tie plate. Through bending and distortion, rail clip can put pressure on the rail, which prevents longitudinal movement of the rail, either from changes in temperature or through vibration. In general, rail clips are made of forged spring steel produced by hot forging process.

 

Structurally, the Nabla clip rail fastening system comprises Nabla clips, which securely and stably fasten the steel rails to railway sleepers with the appropriate clamping force.

 

The Purpose of the Nabla Rail Clip

 

rail fastening

(1) Vibration Suppression: The Nabla rail clip reduces vibrations caused by passing trains. By securing the rail to the sleeper, it minimizes sleeper vibration and ensures smooth and safe operation.

(2) Cyclic Stress Resistance: It withstands both static and dynamic cyclic stresses, maintaining stability under various operating conditions.

(3) Positional Stability: The clip keeps the rail securely in place, helping maintain accurate track gauge and limiting unwanted movement.

(4) Lateral Force Resistance: It effectively resists lateral forces to prevent rail displacement, improving overall safety and stability.

(5) Reduced Dynamic Amplification: The clip decreases dynamic amplification during train movement, lowering additional stress on sleepers and other parts, thereby extending system life.

(6) Durability and Cost Efficiency: Offering a high-quality fastening solution, it prolongs the railway system's service life and lowers maintenance costs, delivering long-term economic benefits.

 

Types of rail clips provided by GNEE RAIL

 

rail fasteners

 

Series Type Hardness Material Fatigue life Surface Standard








E rail clip

E1,E2,E3






44-48HRC






60Si2MnA:
C:0.56-0.64,Mn:0.60-0.90,
Si:1.60-2.00,Cr:≤0.35, P:≤0.03, S:≤0.03

60Si2CrA:
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

55Si2Mn:
C:0.52-0.60,Mn:0.60-0.90,
Si:1.50-2.00,Cr:≤0.35 P:≤0.03, S:≤0.03

38Si7:C:0.35-0.42,Mn:0.50-0.80,
Si:1.50-1.80, P:≤0.03, S:≤0.03










For Dia.18 is 3 million cycles
without breaking.


For Dia.20 is 5 million cycles
without breaking.















plain (oiled), Oxide black, color painting or according to customer requirement.















DIN17221, BS970, GB/T1222
E1609
E1809
E1817
E2001
E2006
E2009
E2055
E2056


Vossloh clip&
Forged rail clip



SKL1

 

42-47HRC


PR rail clip
PR309


44-48HRC
PR401
PR601
PR85
Customized production of rail clips are available according to your drawings or samples!

 

Parameters of GNEE's Main Rail Clip Products

 

Model Diameter Weight Material
Type III Ø18 0.80kg/pc 60Si2MnA
E1609 Ø16 0.43 kg/pc 60Si2MnA
E1809 Ø20 0.61kg/pc 60Si2MnA
E1813 Ø18 0.62kg/pc 60Si2MnA
E2001 Ø20 0.80kg/pc 60Si2MnA
E2007 Ø20 0.80kg/pc 60Si2MnA
E2009 Ø20 0.80kg/pc 60Si2MnA
E2039 Ø20 0.80kg/pc 60Si2MnA
E2055 Ø20 0.80kg/pc 60Si2MnA
E2056 Ø20 0.80kg/pc 60Si2MnA
E2063 Ø20 0.80kg/pc 60Si2MnA
PR85 Rail Clip Ø13 0.25kg/pc 60Si2MnA
PR309A Ø19 0.85kg/pc 60Si2MnA
PR401 Ø20 0.97kg/pc 60Si2MnA
PR415 Ø20 0.95kg/pc 60Si2MnA
PR601A Ø20 1.03kg/pc 38Si7
SKL 1 Ø13 0.48kg/pc 60Si2CrA
SKL 3 Ø13 0.48kg/pc 60Si2CrA
SKL 12 Ø13 0.53kg/pc 38Si7
SKL 14 Ø13 0.53kg/pc 60Si2MnA
Special Rail Clip Ø13 0.48kg/pc 60Si2MnA
Russia Rail Clip Ø18 0.58kg/pc 60Si2MnA
Deenik Clip Ø25 0.49-0.68kg/pc 60Si2MnA
Single Anti-
Theft
Ø20 0.25kg/pc 60Si2MnA

 

Get the GNEE Product Catalog.