Our vehicles are made mainly of steel, with some aluminium, copper, brass, glass and plastics.
Metals are ‘ferrous’ or ‘nonferrous’. Ferro means iron, the base material being iron ore. Any grade of steel is ‘ferrous’, including stainless. Steels are usually the hardest, strongest and toughest metals we find in vehicles.
Non-ferrous means ‘not containing iron’. All other metals fit this category – aluminium, brass, copper, lead etc. and alloys made from a mixture of them.
More exotic metals such as titanium are rarely used in consumer vehicles. Some steels may be hardened to varying degrees and are used for knives, gears, bearings, tools, etc.
There are many types of steel, with their uses and characteristics defined by other minerals added during manufacture. All steels contain some carbon, for instance, the…