External Protection: Pipe: Metallic zine complying with the standard ISO8179 , and bitumen paint.
after Annealing, the microstructure of ductile iron pipes is ferrite and a littile pearlitepossessing excellent mechanical properties. ItemsDuctile iron pipeGrey iron pipeSteel pipe
Tensile strength (Mpa) Min 420150- 260Min400
Yield strength (Mpa) Min 300No confirmationNo confirmation
