An article from

Dive Brief

The Pittsburgh-based metals producer would become the world’s largest bauxite miner as part of the acquisition and establish an operational foothold in South Africa.

Published July 6, 2026

South32's Worsley bauxite and alumina refinery operation in Western Australia. Pittsburgh-base Alcoa is purchasing the asset as part of an acquisition valued at $5.6 billion. Meanwhile, South32 is looking to exit the industry to focus more on copper and critical minerals.