Introduction of U71Mn Standard Crane Rail QU70 1.Size: QU70,QU80,QU100,QU120 2. Material : U71Mn 3.Standard: YB/T5055-93 STANDARD 4.Length: 12M Parameter of U71Mn Standard Crane Rail QU70 Mode Size mm AXBXCXD Weight(kg/m) Length(m) QU70 120x120x70x28 52.80 9/9.5/1010.5/11/11.512/12..5m QU80 130x130x80x32 63.69 9/9.5/1010.5/11/11.512/12..5m QU100 150x150x100x38 88.96 9/9.5/1010.5/11/11.512/12..5m QU120 170x170x120x44 118.10 9/9.5/1010.5/11/11.512/12..5m