light rail material:Q235,unit weight:5.98kg/m,standard:GB11264-89 length:6-12m,type:GB6kg good quality and cheaper price light railmaterial:Q235,unit weight:5.98kg/m,standard:GB11264-89,length:6-12m,type:GB6kg,web thickness:4.76mm,head width:25.4mm,base width:50.8mm,rail height:50.8mmgood quality and cheaper price,cost and value to satisfy