A rail fish plate is a fundamental joint component that enables non-welded rail lines to function safely by maintaining alignment and continuous load transfer across rail connections. GNEE RAIL provides fish plates covering GB 8–60 kg/m, UIC50/54/60, DIN536 A55–A120, QU70/80/100/120, JIS rail profiles, AS1085 rails, BS11 sections, and AREMA/ASCE standards, together with full technical support for jointed rail systems.
| Fishplate for UIC Standard Steel Rail | |||
| Steel Rail Type | Steel Rail Weight (KG/M) | Fishplate Standard | Fishplate Material |
| UIC54 | 54.43 | UIC | 45#,55# |
| UIC60 | 60.34 | ||
| Fishplate for BS Standard Steel Rail | |||
| BS50'O' | 24.833 | BS 47-1 | 55#,45# European Grade 700 |
| BS60A | 30.618 | ||
| BS75R | 37.041 | ||
| BS80A | 39.761 | ||
| BS90A | 45.099 | ||
| BS100A | 50.182 | ||
| BS113A | 56.398 | ||
| Joint Bar for AREMA 2007 Standard Steel Rail | |||
| 100RE(TR50) | 50.35 | AREMA 2007 | 45#,55#,AREMA Grade Steel |
| 115RE | 56.9 | ||
| 115-119RE | |||
| 132RE | 65.31 | ||
| 133RE | 66.1 | ||
| 136RE | 67.41 | ||
| 132-136RE | |||
| Fishplate For Chinese Standard Steel Rail | |||
| GB15KG | 15.2 | YB226-63 | Q235,45# |
| GB18KG | 18.06 | YB225-63 | |
| GB22KG | 22.3 | YB14-63 | |
| GB24KG | 24.46 | ||
| GB30KG | 30.1 | YB351-63 | |
| GB38KG | 38.733 | TB/T 2345-2008 | 45#,55# |
| GB43KG | 44.653 | ||
| GB50KG | 51.514 | ||
What is the difference between a transition rail joint bar and a standard rail joint bar?
A transition (or compromise) rail joint bar connects two rails of different sizes, heights, or profiles, featuring an asymmetrical, irregular shape to bridge the discrepancy. A standard rail joint bar joins identical rail types, possessing a uniform profile. Transition bars are designed specifically for smooth, safe, and stable train passage where rail profiles change.
Key Differences:
- Function: Standard bars join similar rail profiles; transition bars connect dissimilar (e.g., 136# to 115#) rail sections.
- Design/Shape: Standard bars are symmetrical and uniform. Transition bars are asymmetrical, often with specialized hole spacing to accommodate differing rail head/web dimensions.
- Application: Transition bars, often called "compromise joints," are used at specific, infrequent, and critical points where infrastructure changes, unlike standard bars which are used throughout the track.
- Impact: Transition bars are designed to prevent the significant wheel-rail impact that would occur if, for example, a 2-inch difference in rail height was joined with a standard connector.
Essentially, standard bars are for uniformity, while transition bars are for compatibility.
How to choose the right type of rail fish plate?
Choosing the right rail fish plate (joint bar) requires matching the plate to the rail profile (weight/section), ensuring compatibility with the operating environment (load, speed, corrosion risk), and adhering to standard specifications (e.g., AREMA, EN). Key types include standard (flat-bottom), insulated (for signaling), and compromise (for joining different rail sizes).
Key Selection Factors:
Rail Profile & Size: The fish plate must fit perfectly to the rail section (e.g., 50R, 60R, 75R, 90R) to ensure structural integrity and prevent gaps.
Operating Environment:
- High Load/Freight: Use high-strength, hot-rolled, or forged steel fish plates for maximum durability.
- Electrified Tracks: Require insulated fish plates (using fiberglass or composites) to prevent electrical current leakage between rail joints.
- Corrosive Areas: Coastal or high-moisture areas require corrosion-resistant, stainless steel, or specially coated plates.
Fish Plate Type:
- Standard: Used for general, uniform rail connections.
- Compromise Joint: Specifically designed to join two different sizes of rails, featuring an offset design.
- One-Meter Long: Preferred for high-density routes, bridge approaches, or concrete sleepers for better stability.
- Safety Standards: Adhere to specific railway standards (e.g., AREMA, IR, EN/GB/T) to ensure safety.
Founded in 2008, GNEE RAIL is a leading global manufacturer and supplier of railway components, specializing in high-quality rail fish plates (joint bars/splice bars) with strong production capacity and global service capabilities.
Our rail fish plate portfolio is comprehensive and compliant with international standards including UIC, AREMA, BS, DIN, and GB, covering light rail (8kg-30kg), heavy rail (38kg-75kg), and crane rail (QU70-QU120) systems. We offer diverse types such as insulated joint bars, bulged fish plates, and compromise rail joints,with precise specifications (4-hole/6-hole, 24-inch/36-inch), ensuring excellent mechanical performance.We uphold strict quality control supported by ISO 9001:2015 certification, an in-house inspection center, and third-party audits by SGS and BV. Our one-stop service includes customization, production, packaging, and after-sales support, tailored to clients' project needs.
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