Automobile cab Door panels

Type of steel its cold rolled interstitial free high strength steel. Used for critical component of which strength also one of the concern.

subtitutional alloy and interstitial alloy

IF-steels have a nearly complete fixation of all interstitial dissolved nitrogen and carbon atoms, i.e. neutralisation of N and C. The complete 'killing' of the steel is performed by the micro-alloying titanium and:or niobium. By this method, the N and C atoms are 'arrested' and all negative effects described by the 'Cottrell-Cloud' theory are very much reduced or even abolished: These are the upper- and lower-yield point (yield-point effect, discontinuous yielding), strain aging and blue brittleness.

Steel is an example of an alloy. To be exact an interstitial alloy which means that a much smaller element is inserted into the larger element to make an alloy which has heightened characteristics. Steel is comprised of iron and carbon. It's very strong, corrodes in harsh sunlight and rain.