Canada supplies roughly 60% to 70% of the imports that come into the U.S. market. Canadian suppliers like Rio Tinto produce high quality aluminum that is typically sold to stateside buyers.

The European Union estimates that the first wave of Donald Trump’s steel and aluminum tariffs will hit as much as €28 billion ($29.3 billion) of the bloc’s exports in what would be a massive escalation in the US president’s trade war.

On Feb. 10, 2025, just a week after announcing country-specific, blanket tariffs on Canada, Mexico, and China, President Trump implemented his America First Trade Policy, signing two proclamations: Adjusting Imports of Steel Into the United States and Adjusting Imports of Aluminum Into the United States.