... train rail , iron rail Standard: BS, DIN, GB, JIS Grade: 55Q, Q235, 45Mn, 50Mn 18kg steel rails Steel Rail1. Light Rail Specification: 12kg/m, 15kg ... ,9m,10m , Material: Q235, 50Q, 55Q Standard: YB222-63, GB11264-892 GB Heavy Rail Specification: 38kg/m, 43kg/m, ... Standard Rail Specification: CR80, CR100 Unit Weight: 63.69kg/m, 88.96kg.m Length: 12m Material: U71Mn Standard: GB3426-82 18kg steel rails ...