... Class:K8,K9 OD:DN80-1200mm T type k9 seamless ductile iron pipe with ISO2531 and EN545 We ... China.We can offer the centrifugal casting ductile iron pipes according to ISO2531 and EN545, DN80-1200mm ... ) DN80-DN1200mm(6) High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, ... .4822.7583.0353.3103.585 T type k9 seamless ductile iron pipe with ISO2531 and EN545