Ductile Iron Pipe With Cast Iron Ci Reducing Bush

Socket Union, Mild Steel Fittings, Union Tee, Pipe Nipple, Brass Ball And Check Valve, Universal And Dummy Coupling, and so on are examples of malleable cast iron fittings. Sizes range from 0.5 to 2 inches. Although later coatings and linings decreased corrosion and enhanced hydraulics, cast iron pipe was typically used untreated. When studied under a microscope, the graphite in cast iron pipe creates flakes during the casting process. Ductile iron pipe, which is a direct outgrowth of cast iron pipe, has supplanted it. The injection of magnesium during the casting process allows the graphite to form spheres (graphite nodules) rather than flakes, which distinguishes ductile iron pipe from cast iron. While this permits the material to remain ca-stable, the finished product is far more durable than cast iron and allows for elastic properties. Cast iron pipe is no longer made in large quantities since ductile iron pipe is widely regarded as a superior product. To this day, cast iron pipe is still in use by many public utilities, municipalities, and private companies.