E Type Rail Elastic Clip Railway Fastening System

E Type Rail Elastic Clip Railway Fastening System

Railway Clip is used to fasten the rails to the underlying base plate together with the concrete sleeper. A variety of different types of heavy-duty clips are used to fasten the rails to the underlying baseplate or Sleeper, one common being the E Clip, which is shaped like a stubby paperclip. Another one is the SKL Tension Clamp, which is also the most widely used type all over the world. Others like KPO Clamp and Nabla Clip, also used in different situations.
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Description
Technical Parameters

Railway E Clips - Basic Specifications & Materials Comparison

Feature Type A (Heavy Duty) Type B (Standard) Type C (Corrosion Resistant)
Material 60Si2MnA Spring Steel 55CrSi Alloy Steel AISI 316 Stainless Steel
Hardness (HRC) 44-48 40-44 36-40
Surface Treatment Zinc Plating (≥20μm) Phosphating + Black Oxide Passivation
Tensile Strength (MPa) ≥1600 ≥1450 ≥800
Operating Temperature -40°C ~ +120°C -30°C ~ +100°C -50°C ~ +200°C
Corrosion Resistance Moderate (Salt Spray: 240h) Good (Salt Spray: 360h) Excellent (Salt Spray: 1000h+)
Primary Application Heavy-haul Railways, Switches Conventional Ballasted Track Coastal/Underground Metro, Tunnels

 

E Type Rail Elastic Clip Railway Fastening System

Railway E Clips - Geometric Dimensions & Performance Parameters

Parameter Specification Tolerance Test Standard
Total Length (L) 78 mm ±0.5 mm EN 13146, AS 1085
Leg Height (H) 18 mm ±0.3 mm EN 13146
Thickness (t) 10 mm ±0.2 mm ISO 5002
Opening Width (W) 25 mm ±0.8 mm EN 13146
Bending Radius (R) 6 mm ±0.5 mm ISO 7800
Elastic Deflection 8-12 mm at 15kN ±1 mm EN 13146-5
Clamping Force 12-18 kN ±1.5 kN UIC 864-0
Fatigue Life ≥2 million cycles - EN 13146-6

 

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E Type Rail Elastic Clip Railway Fastening SystemE Type Rail Elastic Clip Railway Fastening System

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