NALCO Launches High-Performance IA91 Aluminum Alloy for Advanced Casting Applications

Published: Mar 6, 2026 18:52

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Rio Tinto and Giampaolo Build a Strong Partnership in the Matalco Joint Venture
In a groundbreaking move, industry giants Rio Tinto and the Giampaolo Group proudly announced the successful completion of a transformative transaction, marking the establishment of the Matalco joint venture. This strategic alliance brings together the collective strength of North America’s leading producers of primary aluminum and secondary aluminum, aiming to meet manufacturers’ growing demand for environmental protection materials.
Driving Growth: Rio Tinto Holds a 50% Equity Stake in Matalco
Following receipt of all regulatory approvals, Rio Tinto acquired a 50% equity stake in the Matalco business from the Giampaolo Group for a significant $700 million, subject to customary closing adjustments.

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