Which metal is the main component of bronze?

Copper is the main component of bronze.

Bronze is a family of copper-based alloys, traditionally made by combining copper with tin. The proportions vary, and modern bronzes may also contain aluminium, silicon, manganese, or other elements. Copper gives bronze its characteristic reddish-brown foundation.

The development of tin bronze was historically important because the alloy is harder and more durable than pure copper. Bronze tools, weapons, ornaments, and sculptures were central to many ancient societies. The period in which bronze became a dominant material is known as the Bronze Age.

Bronze is often confused with brass. Brass is also copper-based, but its principal additional element is zinc rather than tin. Different bronze compositions have different colors, strengths, and corrosion behavior, so the word bronze does not identify one single exact formula.