... ductile iron centrifugal pipe (1) The standard:ISO2531-1998,EN545-2006,Class:K12 (2) DN200-1000mm (3) type: Toyton pn10 pn16 Ductile iron EN545 centrifugal pipe made by Xinxing pipe ... fitting co., ltd featured as below:(1)Material:Ductile iron(2) The standard:ISO2531-1998,EN545 ... strength ,lighter than gray iron,good corrosion resistance,no ...