How to supply BS90A steel rail to traditional Commonwealth countries?
BS90A steel rail is British standard rail, now belong to EN13674-4 standard named 45E1, most traditional commonwealth countries like Pakistan, Bangladesh and Sri Lanka would like to use it. This rail should belong to light steel rail, normally only can be used for mining railroad line, even industrial cargo railroad, should use more than 50 kereta api kg/m, but they also use it for state railway rail. Such as Sri Lanka, always express this tender, they also choose 350HT heat treatment [...]