Light Rail 8kg/m Standard:GB11264-89 Material:Q235,Q235B,50Q, ... , precise chemical composition control, high dimensional accuracy and excellent surface quality,the products are mainly used in railway, tunnel, crane,etc ... -1,Q/WG(DX) 01-85,ISCOR Main sizes:1.Light rail size: 4kg/m, 6kg/m, 8kg/m, 9kg/m ... /rail spacing baffle/fish bolt,etc.rail fittings 6kg~30kg light rail