Ductile Iron, also known by many other names such as Ductile Iron, Ductile Iron, Ductile Iron, etc. Known for its resistance to fatigue and impact due to its rich nodular inclusions. Ductile iron castings are strong.What really defines the group of materials that make up ductile iron is its graphite structure. Unlike graphite flakes in gray iron, the graphite structure in ductile iron is...