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 |
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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