what are the differences between aluminium , iron , steelproperties like strength , durability , corrosion resistance properties.finally which is cost efficient and best for all purpose.??
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the difference between iron, steel aluminium is that aluminium contains no carbon as iron steel doIron steel over time will rust but aluminium wontIn taking out carbon out off iron to make steel is it needs the carbon % to be less than 0.5% as with iron it still contains carbon at 1.5% to 2% so is not a very strong metal and steel In Strength Steel is stronger than aluminium and also weights heavier than aluminiumAluminium do sent corrode because it do sent contain iron as with steel it dose as oxygen reacts with it over time causing it to rustThis is why a coat of red oxide paint is put on it for finishing purposes In cost efficient steel is the cheaper as steel is a faster process in making itAs you only need 3 ingredients which are Iron ore, Coke which is coal burnt to take off impurities and leaves carbonAs with Aluminium it is more expensive as an expensive process to make and the ore and can only be mined in sear-tonn countries such as AustraliaHope this Helps :o)
