Rail 1.Standard:GB 3426-1982, GB 2585-2007, GB 11264-1989 2.Grade:U71Mn 45Mn Q235 55Q,etc 3.Type:QU70-QU120 & 9-75 kg/m Light Rail (GB 11264-1989) Typekg/mSection SizemmTheoreticalWeightkg/mLengthmHeightBottomWidthHeadWidthHeadHeightWebHeightBottomHeightWebThickness963.5063.5032.1017.4835.7210.305.908.947.0, 6.5, 6.0,5.5, 5.01269.8569.8538.1019.8537.7012.307.5412.2010.0, 9.5, 9.0,8.5, 8.0, 7.5,7. ...