... Q235, 45Mn, 50Mn 12kg steel rails Steel Rail1. Light Rail Specification: 12kg/m, 15kg/m, 18kg/m, ... 813. Crane Rail Specification: QU70, QU80, QU100,QU120 Unit Weight: 52.80kg/m, 63.69kg/m, 88 ... . South Africa Standard Rail Specification: 22,30 Unit Weight: 22.542kg/m, 30.25kg/m Length ... Unit Weight: 63.69kg/m, 88.96kg.m Length: 12m Material: U71Mn Standard: GB3426-82 6-30kg railroad light steel rail for ...