... ,low price! Name:pex-al-pex Products:Elbows,Reducers,pipe tees,bends,pipe caps...Material:Carbon steel,alloy steelStandard:ANSI,ASME,API ... ,GB,...Wall Thick:SCH10,SCH20,SCH40,STD,SCH80,XS,SCH160Size:1/2"--48"Range of Application:Chemical industry, petroleum industry, construction industry ... can ask me Generally we produce three kinds of material pipe polyethylene, polypropylene and aluminum pipe PE-RT