Ductile iron is a type of cast iron known for its high strength, flexibility, and impact resistance. Its unique microstructure, featuring spherical graphite nodules, enhances its ductility compared to traditional cast iron. This makes ductile iron ideal for pipes, fittings, and flanges used in water and wastewater systems, as well as in industrial applications. Its durability and ability to withstand high pressures make it a reliable choice for infrastructure projects, offering long-lasting performance and cost-effectiveness.