
ISO2531 En545 En598 Class K7 K8 K9 C25 C30 C40 Water Pressure Ductile Iron Pipe. ISO Standard Compliance: Meets ISO2531, EN545, and EN598 standards for water and sewage pipelines. High Strength Material: Ductile iron with pull strength over 420MPa and yield strength of 300MPa. Comprehensive Certifications: Certified with ISO9001, ISO14001, and ISO45001 management systems. Flexible Customization: Offers full, minor, and flexible customization from samples or designs. Durable Coating Options: Available with bitumen painting for enhanced corrosion resistance. Fast Lead Time: Peak and off-peak season lead time within 15 working days. 100% Quality Inspection: All finished products undergo visual and functional inspection before shipment. Wide Application Range: Suitable for drinking water, sewage transport, and chemical industry pipelines.