الوصف

Ductile iron pipe is a cast iron pipe. The quality requirements of cast iron pipe nodulizing grade control **3 (spheroidization rate "*0%), so the mechanical ductile material itself cast iron pipe finished productscan be improved, the performance has the nature of iron, steel.Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation,mainly used for municipal, industrial and mining enterprises of water,gas, oil etc..