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Best Methods to Make S G Iron or Ductile Iron: Spheroidal Graphite Iron (S G iron), also known as Ductile Iron, is a type of cast iron that exhibits excellent strength and ductility due to the presence of spherical graphite nodules in its microstructure. To produce high-quality S G iron, several key methods and techniques are employed:Material Selection: Start with high-quality raw materials, typically scrap iron, steel, and pig iron. These materials should have low levels of impurities to ensure a clean melt. Melting Proc... more