The first question is very simple: What is the difference between iron and steel?

1- Iron is an element, Steel is an alloy comprising of Iron and Carbon.

2- The Iron that contains less than2% of Carbon is called Steel.

3- Steel is a derivative of Iron.

Both his method of manufacturing factories in and out of different Cast is full of impurities and is not refined to the extent required and used in the simple things either steel was goodwill at high temperatures and in modern factories and is used in many industries