Iron

Iron is one of the most common elements on earth. 35% Of the earth consists of iron. It is rarely found in nature in a solid state. Mostly it is bound in ores and must be extracted. After man had learned to process copper and produce bronze, thousands of years passed before iron could also be extracted in a usable form.

Macro image of an iron-nickel meteorite

Pure iron is a relatively soft transition metal that oxidizes very strongly in a humid environment. The hot metal extracted from the ores must be freed from the unwanted elements and enriched with desired alloying elements. For example, the addition or reduction of carbon can influence the hardness of the steel.

See also

Aluminium

Aluminium can be formed and machined extremely well. It is particularly suitable for lightweight constructions.

Read more
Bauxite

Here you can find out why aluminium was discovered so late and how aluminium can be produced.

Read more
Carbon

The carbon concentration influences the hardness of steels. In this way, the right steel can be found for every application.

Read more

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