The specifications of 50 kg railroad steel rail Brand Name: NLD Standard: GB/Foreign Standard Type: Heavy Rail Secondary Or Not: Non-secondary Material: 45Mn/71Mn Head Width: 70mm Rail Height: 152mm Bottom Width: 132mm Web Thickness: 15.5mm Weight: 51.51kg/m Length: 12.5m Application: Crane,rail transfer cart,railway transport The parts of 50 kg railroad steel rail We also supply the rails accessories to connect and fix rails. such as joint bar, bolts and nuts to connect rails, clamps, foundation bolts and nuts to fix the rails on the ground or steel I-beam.