... , GB, JIS Grade: 55Q, Q235, 45Mn, 50Mn 18kg steel rails Steel Rail1. Light Rail Specification: 12kg/m, 15kg/m, 18kg ... m, 22kg/m, 24kg/m, 30kg/m Unit Weight: 12.2kg/m, 15.2kg/m, 18.06kg/m, 22.3kg ... Weight: 38.733kg/m, 44.653kg/m, 51.514kgm Length: 12.5m. Material: 50Mn ,U71Mn Standard: GB2585-813. Crane Rail ... .099kg/m, 50.182kg/m, 56.398kg/m Length: 12-25m Material: 55Q, U 71Mn Standard: BS11:19857. India ...