... steel rails mine rail , crane rail , train rail , iron rail Standard: BS, DIN, GB, JIS Grade: 55Q, Q235, 45Mn, 50Mn 12kg steel rails Steel Rail1. Light Rail ... : YB222-63, GB11264-892 GB Heavy Rail Specification: 38kg/m, 43kg/m, 50kg/m Unit ... Material: 55Q Standard: South Africa Standard6. English Standard Rail Specification: 60A, 60R, 70A, 75A, 75R, ... 6-30kg railroad light steel rail for farm or mining ...