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Railway Knowledge Center
UIC60 vs 136RE Rail: What’s the Difference?
The short answer: UIC60 and 136RE are two heavy mainline rail sections with roughly similar mass, but they are not the same rail and they do not interchange. UIC60 (now called 60E1…
Mining Railway Components: What You Need and Why
A mining railway needs the same categories of components as a mainline, but every one of them is specified harder. The rail is a heavy, head-hardened section for extreme axle loads and…
Why Do Fish Bolts Loosen? Causes and Prevention
Fish bolts loosen because they lose preload, not because the nut spins off on its own. The three reasons are almost always the same: the joint was never re-tightened after the first…
Best Rail Pad Material for Heavy Haul Railways
If you are specifying rail pad for a heavy haul line, the short answer is this: there is no single “best” material, but for axle loads of 25 t and above the…
Railway Fasteners for Heavy Haul Railways
Railway fasteners for heavy haul railways are not just bigger versions of the clips on a passenger line. They are specified around a different problem entirely: not vibration at speed, but sustained…
Railway Coupler Components Explained: Knuckle, Yoke, Shank and Draft Gear
A railway coupler is not one part. It is a chain of cast steel components, each with one job, that together carry every tonne of force between two railcars. The main railway…
How to Source Railway Fastening Components from China: RFQ, MOQ, Lead Time & Export Packaging
Sourcing railway fastening components from China comes down to five things done in the right order: write a complete RFQ, understand the MOQ, lock the lead time, agree payment terms, and spec…
Rail Fastening System Components: How All Parts Work Together
A rail fastening system is the set of components that holds the rail down to the sleeper and keeps it in gauge. It looks like a collection of small steel and plastic…
How to Read a Railway Rail Drawing: Cross-Section, Dimensions and Key Parameters
A railway rail may look simple from the outside: a long steel section with a wide bottom, a narrow middle, and a rounded top. But once you look at a railway rail…
How Does a Railway Coupler Work?
A railway coupler connects two vehicles through a knuckle-and-lock mechanism. When two cars come together, the knuckles interlock and a lock drops into place behind them by gravity, holding the connection closed.…
Rail Fish Plate Dimensions: Complete Size Chart for UIC, AREMA and BS Rails
Rail fish plate dimensions are always matched to the rail profile they join, not chosen as a standalone size. A fish plate is specified by its length, the number and diameter of…
Railway Rail Specifications: What Buyers Should Check Before Ordering
A railway rail specification is more than a weight and a steel grade. Before ordering, a buyer should verify the rail section and grade against the applicable standard, check that the material…