MATERIAL SCIENCE - Practice Mode

Explanation:

<p>Cast iron which contain carbon in free form, known as Gray&nbsp;cast iron. It is also known as commercial cast iron due to mostly used in commercial purpose. It contains 3 to 3.5 percentile carbon and rest iron. This cast iron has low tensile strength, high compressive strength and no ductility. It has excellence machining property. This metal is designate by FG followed by the digit show maximum tensile stress.</p>