Name: China Customized Rail Fastener Spring E Clips Manufacturers Suppliers Factory - Gnee Steel
Brand: GNEE
SKU: 296490751

Rail Fastener Spring 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

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Rail e CLIP Fastening System

The Railway E-Clip is a spring steel fastening component that secures rail to sleeper through elastic tension, distinguished by its characteristic "E" profile that creates three-point contact with the rail foot. This single-piece design converts vertical wheel loads into persistent clamping force, absorbing impact energy and maintaining track geometry while requiring no maintenance throughout its decades-long service life.

Technical Specifications:

Production Stage	Process	Quality Check	Typical Value
Raw Material	Spring steel wire	Chemical analysis	C: 0.55–0.65%, Si: 1.4–1.7%
Forming	Cold-forming	Dimensional inspection	±1.5mm tolerance
Heat Treatment	Quench & temper	Hardness testing	38–46 HRC
Surface Finish	Coating application	Thickness measurement	50–100 μm
Final Assembly	Packaging	Visual inspection	100% checked
Shipping	Palletizing	Quantity verification	500–1000 clips/pallet

Installation & Maintenance Perspective:

Raw spring steel wire is cut to precise lengths based on clip size requirements.
Cold-forming process shapes the wire into the characteristic E-profile using progressive dies.
Heat treatment through quenching and tempering achieves optimal hardness of 38–46 HRC.
Surface finishing applies corrosion-resistant coating through dipping or spraying.
Final inspection verifies dimensional accuracy and visual quality before packaging.

Maintenance & Operational Perspective

Dimensional checks ensure critical measurements stay within ±1.5mm tolerance.
Load testing verifies toe load meets specified requirements for each production batch.
Hardness testing confirms proper heat treatment across random samples.
Visual inspection identifies surface defects under controlled lighting conditions.