... : 50Mn ,U71Mn Standard: GB2585-813. Crane Rail Specification: QU70, QU80, QU100,QU120 Unit Weight: 52.80kg/m, 63.69kg/m, 88.96kg ... Length: 9m Material: 55Q Standard: South Africa Standard6. English Standard Rail Specification: 60A, 60R, 70A, 75A, 75R, 80A, 80R, 90A, ... 25m Material: 55Q, U 71Mn Standard: BS11:19857. India Standard Rail...... Specification: CR80, CR100 Unit Weight: 63.69kg/m, 88.96kg ...