Rail Joint Fish Plates: Technical Data Sheet
| PROPERTY | SPECIFICATION |
|---|---|
| Product Category | Compromise Fish Plates |
| Material Grade | 50CrVA Spring Steel / 60Si2MnA |
| Heat Treatment | Quenched & Tempered |
| Surface Finish | Hot-Dip Galvanized (≥85μm) / Powder Coated |
| Mechanical Properties | Yield Strength: ≥550 MPa • Hardness: 24-30 HRC |
| Fatigue Performance | >2×10⁶ load cycles (UIC 864-6) |
| Corrosion Protection | Salt Spray: 1000 hours (Red rust) |
Application & Installation Profile
| CHARACTERISTIC | DETAILS |
|---|---|
| Joint Configuration | Supported Joint • Suspended Joint • Bridge Joint |
| Bolt Configuration | 4-Bolt / 6-Bolt Patterns (M24 × 130 mm) |
| Installation Torque | 450-550 N·m (Lubricated threads) |
| Key Innovation | Interlocking groove design for vertical stability |
| Performance Features | - Shear resistance: ≥350 kN - Electrical insulation kits available - Thermal expansion accommodation |
| Inspection Protocol | NDT testing every 2 years for stress cracks |
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