Length: 5.5m-6m Standard: ISO2531 / EN545 / EN598 Application: Sewage Water/ Dringking water Shape: Round Hardness: 230HB Pipe Wall Thickness: K7 / K8 / K9 / C40 / C30 / C25 Pull Strength: 420Mpa Yield (≥ MPa): 270 Material: Ductile Iron