... --DN1400 2. K7&K9&K8 3.ling according to ISO4179 ductile iron pipe dn 600 Standard: JIS, AISI, ASTM, GB, DIN, ENPlace of ... articles, construction and decorations, railroad vehicles.Some seamless stainless steel pipe/tube which has excellent corrosion resistant, mechanical properties are suitable ... Certificate is supplied with shipment, Third Part Inspection is acceptable. ductile iron pipe dn 600