“K” represents the pipe wall thickness coefficient; the larger the number after K, the thicker the pipe wall.
Tensile Strength ≥420MPa | Yield Strength ≥300MPa | Hardness ≤230HBW
Why choose DINSEN K7 Ductile Iron Pipe ?
- Material costs are reduced. Compared to K9, K7 has a thinner wall, resulting in lighter weight per unit length of pipe of the same specification, directly reducing raw material costs.
- Transportation and installation costs are also reduced: lighter weight means increased transport volume per trip, and on-site hoisting and handling are more convenient, leading to lower labor and machinery operating costs.
- Resource conservation is also achieved: from a macro perspective, the rational selection of K7 pipes reduces the consumption of resources such as iron ore and coke, aligning with the national green and low-carbon building materials development direction.













