Ductile iron pipe (1) Material:Ductile iron (2) The standed:ISO2531-1998,EN545-2006,Class:K9 (3) DN80-800mm (4) T-type Ductile iron self ... restrained pipes made by Xinxing pipe fittings co., ltd as below features:(1 ... (6) DN80-DN800mm(7) T-type(8) High strength ,lighter than gray iron,good corrosion resistance,no furring,small flow resistance,easy ...