Name: China Railroad Fastener E Clips Manufacturers Suppliers Factory - Free Sample - GNEE RAIL
Brand: GNEE
SKU: 294552883

Railroad Fastener E Clips

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

↵Rail e Clip Fastening System

Railway E-clips are specialized elastic fasteners characterized by their distinctive "E" profile when viewed from the side. Manufactured from high-grade spring steel, these single-component fasteners provide crucial clamping force to secure rails to baseplates or sleepers in modern track systems. Their design ensures reliable longitudinal and lateral restraint while incorporating electrical insulation properties for track circuit functionality.

Technical Specifications:

Specification Category	Urban Transit Grade	Heavy Haul Grade	Corrosion-Resistant Grade	High-Speed Rail Grade	Economy Grade
Primary Material	60Si7 Spring Steel	51CrV4 Alloy Steel	AISI 316 Stainless Steel	SUP9A Special Steel	55Cr3 Steel
Surface Treatment	Zinc-Aluminum Coating	Dacromet 3200 Series	Passivated Finish	Multi-layer Polymer	Hot-Dip Galvanized
Operating Temp Range	-30°C to +70°C	-40°C to +80°C	-50°C to +100°C	-40°C to +90°C	-20°C to +60°C
Fatigue Test Cycles	7 Million Minimum	5 Million Minimum	6 Million Minimum	10 Million Minimum	3 Million Minimum
Electrical Resistance	>10⁹ Ω	>10⁹ Ω	>10¹⁰ Ω	>10⁹ Ω	>10⁸ Ω
Installation Tool	Hydraulic Tensioner	Manual Lever Tool	Special Corrosion-Tool	Precision Calibrator	Standard Pliers
Compliance Marking	CE + National Rail	EN 13481-4	ISO 9227 C5-M	TSI 1302/2014	National Standard Only

Application Scenarios

Industrial Sidings and Port Facilities: Employed in areas with infrequent but heavy loading cycles, where resistance to rail creep from shunting operations is critical.
• Temperature-Variable Regions: Specially engineered versions accommodate significant thermal expansion/contraction in climates with extreme seasonal temperature variations.
• Bridge and Viaduct Installations: Selected for their consistent clamping force that helps maintain track geometry on elevated structures subject to additional dynamic forces.

Maintenance & Operational Perspective

Installation-Specific Tensioning: Unlike some fasteners, E-clips require precise initial installation tensioning, after which they typically maintain their clamping force without adjustment.
Condition Monitoring Techniques: Advanced inspection methods include ultrasonic testing for internal flaws and laser measurement of clip geometry to detect deformation before visible signs appear.
Environmental Stress Factors: Performance degradation primarily relates to exposure conditions - coastal environments accelerate corrosion while high-UV areas degrade insulating components.