Iron is the oldest component of the chemical elements in the discovery of nature ,; iron in nature exists in the form of oxide . It is the fourth mohighest elements found in the presence of nature. And iIron ist able element significantly stable element. However, often we note that the metal surface which enters in the composition of the iron Eelement , ithas undergone chemical change , which becomes a brittle coarse texture , and makes it imperative wethat it is replaced or processed soon; ,whaten will this change happen?

Eroded surfaces of the stainless steel ., in the case of chemical or election chemical reaction with the middle and outer, and this is called rust, - corrosion rust, and it causes losses in the global economy - billions annually, - as it destroys a huge amount of stainless steel. structures and machinery. AIn regards to resistance to rust., You must know the causes and effective ways to resist it.