... train rail , iron rail Standard: BS, DIN, GB, JIS Grade: 55Q, Q235, 45Mn, 50Mn 12kg steel rails Steel Rail1 ... 3kg/m, 24.46kg/m, 30.1kg/m Length: 6-12m Material: Q235, 50Q, 55Q Standard: YB222-63 ... Length:10,12m Material:U71Mn Standard: KSB8106-80, JIS E 1101-935. South Africa Standard Rail Specification: ... Length: 12m Material: U71Mn Standard: GB3426-82 6-30kg railroad light steel rail for farm or mining ...