Description
Technical Parameters
Types of Fish Plates
| Type | Design Features | Applications |
|---|---|---|
| Standard | Symmetric bolt holes, uniform section | Conventional tracks |
| Compromise | Tapered profile for rail transitions | Junction zones |
| Insulated | Nylon inserts (R ≥10⁹Ω) | Electrified sections |
| High-Strength | Alloy steel (e.g., 40CrNiMoA) | Heavy-haul lines (≥30t axle) |
Key Specifications
| Parameter | Requirement | Standard Reference |
|---|---|---|
| Material | Q235B/Q355B (Standard) U71Mn/U75V (HSR) |
TB/T 2344 (China) EN 14730 (EU) |
| Bolt Holes | 4–6 holes (Ø24–30mm) | AREMA 4.3.12 (USA) |
| Profile Type | Double-headed/Flat/Compromise | ISO 5003 (Int'l) |
| Length | 600–820mm (for 50–75kg/m rails) | UIC 864 |
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