When steel is cast, does it become weaker/more brittle or anything of this nature? what are the side effects of steel casting on the steel itself?How can you correct these?
Cast steel uses specific alloys of steel designed to improve the casting process. It has a specific strength and toughness range based on the alloying ingredients. It physical properties are a bit different from rolled steel. The primary problems with casting steel are porosity and voids or spaces where the mold is not completely filled with molten steel. These do not effect the basic strength of the steel but they can degrade the ability of the casting to function as designed.
It contains too many air bubble spacing and too many impurity that make it easily to be broken apart. Melt it down again with high heat to remove most impurity, after this process,it becomes iron.