Description
Technical Parameters
Railway Rail Clips
| Category | Definition/Parameter | Technical Standards | Application Notes |
|---|---|---|---|
| Material Types | 1. Spring Steel: - 60Si2MnA (EN 10089) - 51CrV4 (for high-speed) 2. Stainless Steel: - AISI 304 (coastal use) |
ISO 683-14, ASTM A313 | Hardness: 42-50 HRC. |
| Key Dimensions | - Clip height: 40-50mm (installed) - Wire diameter: 12-16mm - Deflection: 10-15mm under load |
EN 13230-3, UIC 865 | Must match rail profile (e.g., UIC 60). |
| Performance | - Lateral stiffness: 20-60 kN/mm - Temperature range: -40°C to +80°C - Corrosion resistance: >1,200h salt spray |
ISO 9227, EN 13481-5 | Coating: ZnAl15 (80-120μm). |
Clip Types Comparison
| Type | Clamp Force | Installation | Best For |
|---|---|---|---|
| Nabla Clip | 8-12 kN | Tool-free press | Urban transit |
| SKL15 | 15 kN | Hydraulic tool | Heavy-haul lines |
| Fastclip | 10-14 kN | Manual lever | Mixed traffic |
| e-Clip | 9-11 kN | No tools | Light rail |
Installation & Maintenance
| Step | Requirement | Tool/Standard |
|---|---|---|
| Pre-installation | Clean rail foot (Ra ≤12.5μm) | Steel brush |
| Clamping force | 10.5 kN ±0.8 kN (for KPW-14) | Calibrated load cell |
| Torque (if bolted) | 150-180 N·m | Digital torque wrench |
| Inspection | Annual visual check for cracks/deformation | EN 13230-3 |
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