... /m, 12kg/m,15kg/m, 18kg/m, 22kg/m, 24kg/m, 30kg/m Unit Weight: 8.94kg/m, 12.2kg/m, 15.2kg/m, 18.06kg/m, 22.3kg/m, 24.46kg/m ... , 30.1kg/m ... , QU80, QU100, QU120 Unit Weight: 52.80kg/m, 63.69kg/m, 88.96kg/m, 118.8 kg/m Length: 12m Material: U71Mn Specification: GB3426-82 ...