ductile iron pipe k9 1.range dn80-dn1600mm 2.comply ... restrained joint centrifugal casting ductile iron pipes according to ISO2531 and EN545Material:Ductile iron(1) standed:ISO2531-1998,EN545 ... T-type(7) High strength ,lighter than gray iron,good corrosion resistance,no furring,small flow resistance,easy ... 10)Payment term: L/C, T/T. ductile cast iron pipes with T type joint (k9 class standard effective ...