Rail Fastening Rail Fast Clip

Rail Fastening Rail Fast 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 Fast Clips

Model

Surface Treatment

Applicable Scenario & Rail

Installation Efficiency

Anti-Loosening Structure

Fatigue Life (Min.)

Compliance Stds

FC-11-TT

Electro-galvanizing (≥25μm)

Urban Tram (30kg/m rail, Coastal)

≤12s/clip

Serrated Contact Surface

1.2×10⁶ Cycles

EN 13481-4, CJ/T 527

FC-14-FH

Hot-dip galvanizing (≥85μm)

Regional Freight (50kg/m rail, Desert)

≤18s/clip

Spring Washer + Lock Nut

2.0×10⁶ Cycles

EN 13481-3, GB/T 13489

FC-16-HDM-Pro

Dacromet (≥8μm) + Zinc Plating

Heavy-Haul Mining (75kg/m rail, High Vibration)

≤22s/clip

Wedge-Type Self-Locking

3.5×10⁶ Cycles

AREMA 10, GB/T 13489

FC-15-HS350

Dacromet + Sealant (≥10μm)

High-Speed Rail (60kg/m rail, Low-Temp)

≤20s/clip

Elastic Deformation Lock

5.0×10⁶ Cycles

TB/T 3395.3-2015, EN 13481-2

FC-09-Metro

Phosphate Coating + Oil

Urban Metro (22kg/m rail, Tunnel)

≤10s/clip

Rubber Pad Anti-Loosen

1.0×10⁶ Cycles

TB/T 3395.1-2015, CJ/T 527

Rail Fastening Rail Fast Clip

Enhanced Quality & Safety Checklist (Aligned with Latest Sampling Standards)

Management Stage

Key Item

Test/Operation Method

Acceptance Criterion

Sampling/Execution Rule

Tool/Reference

Incoming Inspection

Material & Impact Toughness

Handheld PMI + Charpy Impact Test

C: 0.56–0.64% (60Si2MnA); Impact Energy ≥80J/cm² (20℃)

3 pcs/batch; 5 pcs/batch

Portable PMI Analyzer; Charpy Tester

Installation

Fastener Torque & Fit

Torque Wrench + Mock Installation

M10: 40–65N·m; M12: 60–80N·m; No Stuck During Installation

10 pcs/100m track

Adjustable Torque Wrench; Gauge Block

In-Service Check

Clamping Force & Anti-Loosen

Dynamic Force Tester + Vibration Test

Force Loss ≤8% After 5×10⁵ Cycles; No Loosening After 1000Hz Vibration

2 pcs/km monthly

Dynamic Force Tester; Vibration Bench

Maintenance

Reusability & Surface

Visual Inspection + Hardness Test

No Cracks/Deformation; Hardness Deviation ≤1 HRC; Coating Intact ≥90%

100% of Dismantled Clips

10× Magnifier; Portable Rockwell Tester

Quality Spot-Check

Batch Consistency

Random Sampling (Full Specs Test)

All Parameters Within Model Ranges; No Batch Deviation

1% of Batch (Min. 5 Pcs)

Comprehensive Test Bench

 

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Rail Fastening Rail Fast ClipRail Fastening Rail Fast Clip

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