... m,38kgs/m-43kgs/m Material:Q235B Except the Crane rails(Steel Rails), the main products of our company are:Light ... Rails of 4kgs/m,8kgs/m,12kgs/m,15kgs/m, ... is Q235 and 55Q. Length is 6m,8m,9m,10mHeavy Rails of 38kgs/m,43kgs/m,50kgs/m, material is U71Mn ... GB2585-2007,Q/YYG002-2008.Length is 12m,12.5mCrane Rails of QU70,QU80,QU100,QU120,material is U71Mn,standard is ...