state two uses of each with reasons of the forms of iron: (a) Pig iron (b) mild steel (c) hard steel
Pig Iron:
It is used to make cast iron ,wrought iron,steel after refining.
It is used for making column,base plate,bracket.
It can be used to craft simple, decorative metal pieces used for external building decoration.
Mild steel:
It is widely used in making pipelines.
It is used in automobile parts, motorcycle frames, and most cookware.