Steel is used for many different things, classified by its carbon content. Steels with high carbon content is used for dies and cutting tools as it is hard and brittle.Low to medium ones are used for sheeting and structural forms as it is amenable to welding and tooling.Chromium steels are used in automobile and aeroplane parts because they have a combination of strength, hardness and elasticity.Mild or carbon steels can be used for many thing:Bullets,Nuts,Bolts, Chains, Hinges, Knives,Armour,Pipes and Magnets.
