Rail E Clip For Railway Fastening System

Rail E Clip For 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

Model Code Wire Diameter Material Grade Surface Treatment Gauge Adaptation Range Applicable Rail Type Compliance Standards
E10-LT φ10mm 50CrVA Electro-galvanizing (≥20μm) ±3mm 22–30kg/m Light Rail EN 13481-4, CJ/T 527
E12-Main φ12mm 60Si2MnA Hot-dip galvanizing (≥85μm) -4~+5mm 38–50kg/m Mainline Rail EN 13481-3, GB/T 13489
E14-HD φ14mm 55SiMnVB Dacromet (≥10μm) + Zinc Plating -6~+6mm 50–75kg/m Heavy-Haul Rail AREMA 10, AAR M-101
E16-HS φ16mm 60Si2CrVA Ceramic Coating (≥25μm) -5~+4mm 60kg/m High-Speed Rail TB/T 3562, EN 13481-2
E08-Tram φ8mm 60Si2MnA Epoxy Coating (≥50μm) ±2mm 18–22kg/m Tram Rail TB/T 3395.1, EN 13230-1

Rail E Clip for Railway Fastening System

Full-Process Quality Inspection Checklist

Inspection Stage Key Inspection Item Test Method Acceptance Criterion
Incoming Material Chemical Composition & Diameter Handheld XRF + Digital Caliper C: 0.55–0.65% (60Si2MnA); Diameter Tolerance: ±0.15mm
Mechanical Performance Elasticity Recovery & Impact Toughness Compression-Recovery Tester + Charpy Impact Tester Elasticity Recovery Rate ≥95%; Impact Energy ≥20J (-40℃)
On-Site Installation Clamping Force Stability & Fit Gap Portable Force Gauge + Gap Gauge Force Loss ≤5% After 1000 Vibrations; Fit Gap ≤0.2mm
Long-Term Service Corrosion Resistance & Coating Wear Salt-Spray Test + Thickness Gauge No Red Rust After 600h; Coating Thickness Loss ≤10% (3 Years)
Risk Assessment Fatigue Crack & Deformation Ultrasonic Flaw Detector + Dial Indicator No Internal Cracks (≥0.2mm); Permanent Deformation ≤0.1mm

 

 

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Rail E Clip for Railway Fastening SystemRail E Clip for Railway Fastening System

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