QU80 Crane Rail steel Rail 1)Size:QU70,QU80,QU100,QU120 2)Materials:U71Mn 3)Quality:steady quality,accept testing. QU80 Crane Rail steel Rail1)Size:QU70,QU80,QU100,QU120 2)Materials:U71Mn3)Quality:steady quality,accept testing.4)Bao Steel Specification: Light railHeight (mm)Bottom widthHead widthMiddle thicknessLengthWeight (kg/m)StandardSize(mm)(mm)(mm)(m)Kg/m 55044224.512-12.55.03GB8655425712- ...