... BS, DIN, GB, JIS Grade: 55Q, Q235, 45Mn, 50Mn 18kg steel rails Steel Rail1. Light Rail Specification: 12kg/m, 15kg/ ... 30.1kg/m Length: 6m,7m,8m,9m,10m , Material: Q235, 50Q, 55Q Standard: YB222-63, GB11264-892 GB ... : 22.542kg/m, 30.25kg/m Length: 9m Material: 55Q Standard: South Africa Standard6. English Standard Rail ... .69kg/m, 88.96kg.m Length: 12m Material: U71Mn Standard: GB3426-82 18kg steel rails