Which metal is known for its excellent malleability and ductility?

The metal recognized for its outstanding malleability and ductility is aluminium. Malleability refers to a material's ability to deform under compressive stress, allowing it to be hammered or rolled into thin sheets without breaking. Ductility, on the other hand, refers to the ability of a material to be stretched into a wire.

Aluminium excels in both of these characteristics, making it highly versatile for various manufacturing applications. Its lightweight nature combined with these properties makes it ideal for industries ranging from aerospace to construction. Additionally, aluminium's resistance to corrosion adds to its appeal as a material choice.

Other metals listed, such as zinc, steel, and iron, do not demonstrate the same level of malleability and ductility as aluminium. For instance, while zinc is malleable, it is not as ductile as aluminium. Steel is generally strong and tough, but its malleability can vary depending on its alloy composition and treatment. Iron, while somewhat malleable and ductile in its pure form, tends to be more brittle as it is often found in alloys or cast forms. Thus, aluminium stands out as the superior choice when considering these properties.