1. Light rail: Size: 6kg/m, 8kg/m, 12kg/m, 15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m Material: Q235B 55Q 2. Heavy rail Size: 38 1. Light rail:Size: 6kg/m, 8kg/m, 12kg/m, 15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/mMaterial: Q235B 55Q2. Heavy railSize: 38kg/m, 43kg/m, 50kg/m, 60kg/mMaterial: U71Mn 50Mn3. CraneSize: QU70, QU80, QU100, QU120Material: U71Mn light rail, heavy rail, crane rail