Ductile Iron Pipe Product Introduction: Annually produce 200 thousand tons of DN80 mm - DN1800 mm ductile iron pipes with the length of six meters . Because of the excellent performance and quality, the product upgrades the reliability of the pipe network . Specification: 1. Standard: ISO2531 / EN545 / EN598 Class: K92. Material: Ductile Iron3. Type: T type4. Effective Length: 6m by bulk shipment OR 5. 7m by 20' & 40' container. 5. Coating: Internal: cement mortar lining (using a high- speed cetrifugal process) according to ISO4179.