Crane Rails

https://www.zggroupcrane.com/products/crane-rails.html

Overhead crane rail, gantry crane rail also can be called crane track, steel rail track, etc. It is a metal groove or ridge that holds, guides, and reduces friction for a moving device and a steel-striped line used for a running trolley. The theoretical weight of China's standard crane track increased from 52.8kg/m to 118.1kg/m.