Light Rail 8kg/m Standard:GB11264-89 Material:Q235,Q235B,50Q, ... mainly used in railway, tunnel, crane,etc. Main standards: Q/YY001-2008,Q/YYG002-2008, GB2585-81,GB11264-89,GB2585-2007, YB222 ... -2000,UIC865,UIC860,AREMA2004,PrEN13674-1,Q/WG(DX) 01-85,ISCOR Main sizes:1.Light rail size: 4kg/m, 6kg/m ... /rail spacing baffle/fish bolt,etc.rail fittings 6kg~30kg light rail