... steel It's easy to operate Pipe clamp/Steel pipe Clamp/Steel clamp/pipe fittingSize available:1",2",3",4 ... ",5",6.5"Material:40#steelApplication:1.Pipe clamp is used for linking pipeline transportation in the ... transport coal,ore and petrochemical, etc. 2.Pipe clamp also could be special use for high-speed railway ... shipment.Advantage:convenient,practical,durable and so on It's easy to operate.If you want ...