Description
Technical Parameters
Railway Fishplate Technical Parameters
| Parameter | Specification |
|---|---|
| Standard Name | Rail Joint Bar |
| Standard | TB/T 2344 (Chinese Railway Standard) |
| Material | Q235B, 45# Steel, 60# Steel |
| Surface Treatment | Hot-dip Galvanized or Painted |
| Applicable Rail | 50kg/m, 60kg/m, 75kg/m |
| Bolt Holes | 4-hole or 6-hole |
| Bolt Size | M24×75 (Common) |
| Tensile Strength | ≥370MPa (Q235B) |
| Installation Torque | 400-500N·m |
| Operating Temp. | -40℃～+60℃ |
| Main Function | Connect rails and maintain gap |
Fishplate Type Comparison
| Type | Key Features | Typical Applications |
|---|---|---|
| Standard | Uniform cross-section, cost-effective | Conventional railway tracks |
| Reinforced | 20-30% thicker web section | Heavy-haul lines (30+ ton axle loads) |
| Insulated | Nylon or composite insulation components | Electrified sections, signaling areas |
| Compromise | Special angle design for rail joints | Transition curves, special trackwork |
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