Light steel rail, heavy steel rail, crane steel rail Product Description1). Steel rail type: Light steel rail, heavy steel rail, crane steel rail 2). Steel rail scope: Light steel rail ... /m, 18kg/m, 22kg/m, 24kg/m, 30kg/m. Heavry steel rail: 38kg/m, 43kg/m, 50kg/m, 60kg/m. Crane ... , rail bolts, or manufacture as your drawing. ishplate and Nuts for Steel Track Railway