K7 K8 K9 C25 C40 ISO2531 Ductile Cast Iron Pipe for Pressure Pipeline

K7 K8 K9 C25 C40 ISO2531 Ductile Cast Iron Pipe for Pressure Pipeline. High Strength Material: Pull strength exceeds 420MPa with yield strength of 300MPa for superior durability. Corrosion Resistance: Features high elongation and excellent corrosion resistance for long-term pipeline use. Standard Compliance: Meets ISO2531, EN545, EN598, and GB/T13295 standards with 100% water pressure testing. Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs. Fast Delivery: Average lead time within 15 workdays for both peak and off-peak seasons. Quality Assurance: ISO9001 and ISO14001 certified with 100% visual and function inspection for finished products. Versatile Applications: Suitable for pipeline transport, chemical industry, and construction decoration projects. Large Production Capacity: Annual production capacity exceeds 500,000 tons with automated finishing lines.