We often hear people say that Superman is the man of steel. But if you think about it, what makes steel so special anyway? For those who don’t know, steel is an alloy which is made up of iron and carbon. It is know for being hard, ductile and has tensile strength.
Steel has lots of uses. It is used for construction of buildings, railways and roads. It is also used for materials such as steel drums, furniture and heavy equipment.