Description
Technical Parameters
Railway Fishplate (Joint Bar)
| Parameter | Specification | Remarks |
|---|---|---|
| Type | Standard/Compromise/Insulated | Per UIC 864 or AREMA standards |
| Material | 55# carbon steel or EN8 alloy | Yield strength ≥355 MPa |
| Rail Compatibility | UIC60/54, BS80A, AREMA 115RE | Matched to rail profile |
| Bolt Hole Qty | 4-hole or 6-hole | 22-24mm diameter |
| Length | 600-820mm (varies by rail size) | Symmetrical design |
International Standards
| Standard | Region | Key Requirement |
|---|---|---|
| UIC 864 | Europe | Fatigue life ≥2 million cycles |
| AREMA Ch.4 | North America | Impact toughness ≥27J at -40°C |
| BS 47 | UK | BS80A rail compatibility |
| TB/T 2345 | China | Q235B steel with Zn coating |
Installation Data
| Process | Parameter | Tool Required |
|---|---|---|
| Bolt tightening | 400-500 N·m torque | Calibrated torque wrench |
| Gap adjustment | 4-6mm joint gap | Feeler gauge |
| Alignment | ≤1mm vertical offset | Laser level |
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