Description
Technical Parameters
Rail-Matching Technical Specs
| Model | Length | Width | Thickness (Max.) | Applicable Rail Model | Bolt Hole Qty (Per Side) | Bolt Hole Spacing | Material | Surface Treatment | Shear Strength (Min.) | Compliance Stds |
|---|---|---|---|---|---|---|---|---|---|---|
| FP-30-LT | 380mm | 80mm | 22mm | 30kg/m Light Rail | 4 | 80mm | Q345 Carbon Steel | Hot-dip galvanizing (≥85μm) | 180MPa | GB/T 11265.1-2022, EN 13230-1 |
| FP-50-Mainline | 440mm | 100mm | 28mm | 50kg/m Passenger Rail | 6 | 70mm | Q460 Carbon Steel | Electro-galvanizing (≥30μm) | 220MPa | GB/T 11265.1-2022, AREMA 31 |
| FP-75-HeavyHaul | 500mm | 120mm | 35mm | 75kg/m Freight Rail | 8 | 65mm | 45# Alloy Steel | Dacromet (≥12μm) + Zinc Plating | 260MPa | GB/T 11265.1-2022, AREMA 31 |
| FP-60-HSR | 480mm | 110mm | 32mm | 60kg/m High-Speed Rail | 6 | 75mm | Q690 High-Strength Steel | Hot-dip galvanizing (≥100μm) | 300MPa | GB/T 11265.1-2022, TB/T 3560 |
| FP-22-Metro | 320mm | 70mm | 18mm | 22kg/m Metro Rail | 4 | 72mm | Q345 Carbon Steel | Epoxy Coating (≥60μm) | 160MPa | GB/T 11265.1-2022, TB/T 3395.2 |
Connection & Durability Inspection Checklist
| Inspection Stage | Key Item | Test Method | Acceptance Criterion | Sampling Rule |
|---|---|---|---|---|
| Incoming Check | Material & Dimension | Handheld PMI + Digital Caliper | C: 0.18–0.28% (Q345); Length ±1mm, Thickness ±0.5mm | 3 pcs/batch |
| On-Site Installation | Splice Precision | Rail Gauge + Straightedge | Rail Joint Gap ≤0.8mm; Vertical Misalignment ≤0.3mm | 10 pcs/10km track |
| Short-Term Performance | Bolt Torque & Shear Test | Torque Wrench + Shear Fixture | Bolt Torque: M24: 550–700N·m; Shear Strength ≥90% of Min. Value | 2 pcs/km monthly |
| Long-Term Durability | Fatigue & Corrosion | Fatigue Test Bench + Salt-Spray Test | No Cracks After 2×10⁶ Cycles; No Red Rust After 800h | 1 pc/batch |
| Batch Audit | Bolt Hole Integrity | Hole Gauge + Visual Inspection | Hole Diameter Tolerance: H12; No Burrs/Deformation | 2% |
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