Railway Fasteners Steel Rail E Clip

Railway Fasteners Steel Rail E Clip

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

Diameter Material Hardness Clamping Force Surface Treatment Applicable Climate Zone Low-Temp Toughness (Min.) Single Set Cost Range (USD)
E12-Cold φ12mm 50CrVA 40–45 HRC 5–8 kN Hot-dip galvanizing (≥85μm) -40℃~25℃ (Cold Regions) 25J (-40℃)
E14-Desert φ14mm 60Si2MnA 42–47 HRC 9–12 kN Dacromet (≥10μm) + Zinc Plating -5℃~50℃ (Arid Desert) 20J (-20℃)
E16-Coastal φ16mm 55SiMnVB 44–49 HRC 15–18 kN Epoxy Coating (≥60μm) 0℃~40℃ (Coastal Humid) 22J (-30℃)
E18-HS-Cold φ18mm 60Si2CrVA 46–51 HRC 18–22 kN Dacromet + Sealant (≥12μm) -35℃~30℃ (HSR Cold Zone) 30J (-40℃)
E10-Tunnel φ10mm 60Si2MnA 39–44 HRC 4–6 kN Phosphate Coating + Oil 10℃~35℃ (Humid Tunnel) 18J (-10℃)

Railway Fasteners Steel Rail E Clip

Practical Quality & Emergency Maintenance Checklist

Inspection Stage Key Item Test Method Acceptance Criterion Sampling/Execution Rule Tool/Reference
Incoming Check Material & Environmental Compliance Handheld PMI + RoHS Test C: 0.56–0.64% (60Si2MnA); Pb/Cd/Hg ≤1000ppm 5 pcs/batch Portable PMI Analyzer; RoHS Detector
Extreme Environment Test Salt-Spray & Heat Resistance Salt-Spray Chamber + Heat Aging Test No Red Rust After 600h; No Softening at 150℃ 2 pcs/batch Salt-Spray Tester; High-Temp Oven
Emergency Repair Quick Installation Speed Mock Emergency Operation Installation ≤12s/piece (2-person team) 10 pcs/500m track (quarterly drill) Emergency E-Clip Toolkit
Long-Term Service Coating Wear & Force Decay Thickness Gauge + Dynamic Force Tester Coating Wear ≤15% (3 Years); Force Loss ≤8% (5×10⁵ Cycles) 5 pcs/km annually Magnetic Thickness Gauge; Dynamic Tester

 

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Railway Fasteners Steel Rail E ClipRailway Fasteners Steel Rail E Clip

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