EN545 EN598 ISO2531 DI Pipes The standard of pipe: ISO 2531 - 1998, EN545-2002 , ... Effective length: 6M when using bulk shi EN545 EN598 ISO2531 DI PipesSpecifications: 1) The standard of pipe: ISO 2531 - 1998, EN545 ... 8) High strength, lighter than gray iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life time 9 ...