Bronze

Bronze is an alloy of copper and tin.

Uses
Trimia's catalogue of Outer Plane artifacts can manifest an urn of bronze that is capable of transporting users to Khalas on the plane of Gehenna.

Bronze plate mail armour is the best known practical use of bronze by adventurers.

Copper used for coinage and trade bars is typically a 94-96% copper 4-6% tin bronze alloy.

Most adventuring equipment, including weapons and armour can be made out of bronze.