... rail , train rail , iron rail Standard: BS, DIN, GB, JIS Grade: 55Q, Q235, 45Mn, 50Mn 18kg steel rails Steel Rail1. Light Rail Specification ... 653kg/m, 51.514kgm Length: 12.5m. Material: 50Mn ,U71Mn Standard: GB2585-813. Crane Rail Specification: QU70, QU80, QU100,QU120 Unit ... /m, 56.398kg/m Length: 12-25m Material: 55Q, U 71Mn Standard: BS11:19857. India Standard Rail Specification: CR80, CR100 Unit ...