What is heavy rail? What is light rail?
Heavy rail is larger than light rail cross section and can bear more force. The early line railway, as well as the use of 38 kg of rail, now is the use of 50 kg and 60 kg.
General rail means rail laying, dedicated lines, bend and tunnel rails. Among them, the standard track length is 12.50 meters and 25 meters in two, the laying of the curve rail, slightly shorter length, 12.46 meters, 12.42 meters and 24.96 meters, 24.92 meters and other rail, general specification for 38, 43, 45, 50, 60 (kg / m).
The rail is divided into two kinds of heavy rail and light rail, and the rail specification is expressed by the nominal weight per meter. 3, heavy rail: nominal weight of more than 30 kg per meter rail, belong to heavy rail, heavy rail is divided into general rail and crane rail two.
