Types of steel and steel making process - Study in India ...
When the carbon percentage in iron is less than 2% it is termed as steel and more than 2% but less than 6% it is called cast iron. Steel is an alloy of iron and carbon with other elements or interstitial solid solution of carbon in iron. Theoretically, steel has a maximum of 2.11% carbon but in practice, the amount of carbon rarely exceeds 0.8%.