S49 Rail Fish Plate For Railway Fastening

A railway fish plate for S49 rail is a precisely engineered metal bar used to bolt the ends of two S49 rail sections together, ensuring structural integrity and a smooth transition for train wheels.  These components are crucial for maintaining proper rail alignment and accommodating thermal expansion. 

Key Specifications

S49 fish plates are manufactured to specific standards to match the dimensions of the S49 rail profile, which is interchangeable with the EN 49E1 standard rail (nominal weight of approximately 49.39 kg/m). 

• Design: The plates are rolled to fit the web area of the rail, featuring tapered top and bottom edges that wedge between the rail head and base when bolted into place. This design is engineered to handle dynamic impact loads that can be 2-3 times the static axle load.

• Fastening: Two fish plates are used per joint (one on each side of the rail) and are secured using high-strength fish bolts, nuts, and washers. The bolt holes are often slightly wider or off-round to allow for minor rail movement due to temperature changes. 

Types of S49 Fish plates

• Standard Fish plates: These are the most common type, used for connecting typical S49 rail sections in general railway applications.

• Insulated Fish plates: Made from high-strength composite or insulated materials, these are used in electrified sections or near signaling systems to create a necessary electrical break while maintaining mechanical connection.

• Joggled Fish plates: Specialized, temporary repair fish plates used in emergencies to allow reduced-speed traffic over a damaged (e.g., cracked welded) rail joint. 

Signum offers valued railway fastening components(including S-49 railway fish plate) with high quality and competitive price. We comply with customer requirements. You can rest assure of the quality. We accept 3rd part inspection consigned by the client before shipment.