Railway Fishplate for Rail P50 | Railroad Fasteners

A railway fishplate for P50 rail is a critical joint bar used to connect P50 (50 kg/m) rail sections, providing structural continuity and alignment for standard and heavy-haul railway tracks. 

Technical Specifications

• Rail Compatibility: Specifically designed for P50/R50 rail profiles, which stand 152 mm tall with a base width of 132 mm.

• Weight: Standard fishplates for P50 rail typically weigh 6.8 kg per piece for 6-hole variants under common standards TB/T 2345-2008. Some variations for different industrial needs can range higher. Signum is able to customize P50 railway fishplates according to your drawing and requirements.

• Material: Manufactured from high-strength carbon steel, such as 50#, 45#, or 50Mn.

• Hole Configuration: Most commonly available in 6-hole patterns to ensure maximum joint rigidity, though 4-hole versions exist for lighter industrial applications.

• Hole Dimensions: Typically features bolt holes of 31 mm in diameter to accommodate high-strength fish bolts. 

Standards and Compliance

• GOST P51685-2022: The latest standard for Russian and Eurasian railway systems.

• GB2585-2007: The Chinese national standard commonly used for international export.

• TB/T 2345-2008: Technical requirement for joint bars used in standard railway systems. 

Key Applications

• Mainline Railways: Used for medium-weight national trunk lines and subways.

• Industrial Use: Frequently found in mine car railway lines, industrial transportation corridors, and crane tracks.

• Transit: Suitable for urban rail systems and medium-to-low-speed railway networks. 

Other Rail Fish Plates Available