High strength and high toughness: The tensile strength is close to that of steel, and it has the pressure resistance and certain elongation (toughness) of cast iron. It can withstand high internal working pressure and external loads (such as soil pressure, traffic load), and has good seismic performance.

Excellent corrosion resistance: The inside and outside of the pipe are usually treated with anti-corrosion (external wall spray zinc + asphalt/epoxy resin paint, inner wall cement mortar lining or epoxy resin coating), which greatly extends the service life (usually up to 50-100 years or more), especially suitable for underground laying.

Good sealing: Flexible interfaces (such as T-type and K-type socket interfaces) are used to allow a certain deflection angle, adapt to foundation settlement, reliable sealing, and low leakage rate.

Excellent hydraulic performance: The inner wall is smooth (especially the cement mortar lining), the water transmission resistance is small, it is not easy to scale after long-term use, and the water transmission capacity is stable.

Convenient and fast construction: The interface installation is relatively simple and the construction speed is fast.

Long service life and low maintenance cost: Superior overall performance and low life cycle cost.

In summary, ductile iron pipe is one of the main pipe materials for transporting water (including drinking water, sewage, industrial water, irrigation water, etc.) in modern municipal infrastructure (water supply, drainage, fire protection) and industrial pipeline systems. Its core value lies in safety, reliability, durability and high comprehensive benefits.