... : 15kg, 22kg, 30kg, 40kg, 48kg, 57kg Standard: ISCOR standard Material: 700/900ALength: 9-25m 5. Australian standard steel rail Size: 31kg, 41kg, 47kg, 50kg ... , 53kg, 60kg, 66kg, 68kg, 73kg, 86kg, 89kg Standard: As 1085 standard Material: 900A ...