Description
Technical Parameters
Railway Fastening System
| Category | Component | Function | Common Types/Models | Material Standard |
|---|---|---|---|---|
| Primary Fasteners | Elastic Rail Clip | Clamps rail foot to baseplate | Pandrol e-clip, SKL-12, Nabla | EN 10270 (Spring steel) |
| Screw Spike | Anchors rail to concrete sleeper | DE-type, SKL-15 | AREMA Ch.30 (Carbon steel) | |
| Bolting Systems | Shoulder Bolt | Secures clip to sleeper | M24, M30 (Metric) | ISO 898-1 (Grade 8.8/10.9) |
| Hook Bolt | For wooden sleeper connections | AREMA-standard | ASTM A325 (Structural) | |
| Anchoring | Rail Anchor | Prevents longitudinal rail movement | E-clip type, KPO | EN 10025 (S355 steel) |
| Insulation | Insulated Shoulder | Maintains electrical isolation | GFN-type, Nylon composite | UIC 864 (PA66) |
| Auxiliary | Tensioning Washer | Maintains clip pressure | W-type, Wave washer | DIN 137 (Spring steel) |
| Locking Plate | Prevents bolt loosening | Zw-type, Lattice plate | EN 10111 (Mild steel) |
Key Fastener Performance Comparison
| Fastener Type | Clamping Force | Corrosion Resistance | Typical Lifespan | Sleeper Compatibility |
|---|---|---|---|---|
| Pandrol e-clip | 10-12 kN | Galvanized (100μm) | 25+ years | Concrete |
| DE Screw Spike | 15-18 kN | Epoxy-coated | 20 years | Concrete/FFU |
| SKL-12 Clip | 8-10 kN | Zinc-nickel alloy | 30 years | Concrete/wood |
| M24 Shoulder Bolt | 250 N·m torque | Hot-dip galvanized | 15 years | All types |
gnee-professional supplier
Hot Tags: rail fastening system for high speed rail, China rail fastening system for high speed rail manufacturers, suppliers, factory, innovative rail fastening, modern rail fastening, railway fastening components, electroplating of rail fastening, E clip Fastening System, chemical resistance of rail fastening
