Railway E18 Rail Clip

Railway E18 Rail Clip

Railway spring clips, also known as elastic rail clips, are a key component used in railway track fastening systems. They are mainly made of spring steel and generate buckling pressure through their own bending and torsion deformation, firmly fixing the rails on the sleepers, ensuring the integrity of the track, preventing the rails from moving longitudinally and transversely relative to the sleepers, ensuring driving safety and accurate track gauge. The spring clips also have the function of absorbing the impact energy of vehicle travel and reducing shock.
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Description
Technical Parameters

Basic Parameters

Parameter Specification Test Standard
Model Definition E18 ("E" for Elastic, "18" indicates 180mm design length) TB/T 3395-2015
Working Length 180±0.5mm GB/T 28268-2012
Material 60Si2MnA Spring Steel GB/T 1222-2016
Hardness (HRC) 42-47 ISO 6508-1:2016
Initial Clamping Force ≥12.5 kN (after installation) TB/T 3396.2-2020
Permanent Deformation ≤1.2mm (after 3 million fatigue cycles) EN 13146-5:2020
Fatigue Life ≥3 million cycles (25Hz, ±7.5kN load) UIC 864:2018

Railway E18 Rail Clip

 

International Comparison

Parameter China E18 Germany SKL15 Japan HRC18
Min. Clamping Force 12.5 kN 14.0 kN 11.8 kN
Weight 2.8 kg 3.1 kg 2.6 kg
Corrosion Life 15 years 20 years 12 years

 

Application of Rail Clips

Railway E18 Rail Clip

Railway E18 Rail ClipRailway E18 Rail Clip

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