Any metal formed from iron is categorized as what type of metal?

Metals formed from iron are categorized as ferrous metals. This classification is based on the chemical composition and properties that are associated with iron. Ferrous metals, which include steel and cast iron, contain iron as their principal component and are known for their magnetic properties and high tensile strength.

These metals are widely used in construction, manufacturing, and various industrial applications due to their robustness and durability. The presence of iron also influences characteristics such as corrosion resistance and ductility, making ferrous metals suitable for a broad range of uses.

In contrast, the other options refer to different categories of metals. Non-ferrous metals do not contain significant amounts of iron and include metals like copper, aluminum, and lead. Aluminum is specifically a type of non-ferrous metal and is known for its lightweight and resistance to corrosion. Composite metals refer to materials made from two or more distinct metal components, but this is not relevant when discussing metals specifically formed from iron. Thus, the classification of any metal formed from iron as a ferrous metal is accurate and based on established metallurgical principles.