Ferrous Recycling Ferrous metals contain iron, and are known for their strength. Steel is the most recycled material in the world, beating all other products combined. Examples of ferrous metals are: mild steel, carbon steel, stainless steel, cast iron, and wrought iron. Non-Ferrous Recycling When a metal is defined as non-ferrous it means that it does not have a significant amount of iron in its chemical composition. Examples of non-material are: aluminium, copper, lead, nickel, tin, titanium and zinc, and alloys such as brass. Auto Recycling Every year, more than 18 million tons of steel from automobiles are recycled by the steel industry. Approximately 86 percent of a car’s material content is recycled, re-used or used for energy recovery. About 60 percent of a passenger vehicle consists of steel and iron. The steel used to make a brand new car contains at least 25 percent of recycled content.