Mar 12, 2025
Trump's Steel and Aluminum Tariffs: A Complete Timeline of Key Events
On March 12, Trump imposed 25% tariffs on steel and aluminum, with Canada retaliating on C$150 billion in goods
On March 6, Trump paused some USMCA tariffs on Canada and Mexico, but most goods remained taxed
Trump's tariffs caused market volatility, inflation fears, and retaliation, prompting a timeline of announced tariffs and their effective dates
Tariffs on Canada & Mexico — March 4 (partially delayed to April 2) Trump's 25% tariffs on Canada and Mexico began March 4, with partial USMCA exemptions; potash and oil face 10% tariffs
Tariffs on China — implemented on Feb. 4, 2nd tranche on March 4 Trump’s tariffs on China began Feb. 4; China retaliated with tariffs on US goods and restrictions on 25 firms
Tariffs on steel and aluminium — March 12 Trump’s 25% steel and aluminum tariffs began March 12, heavily impacting Canada, but a planned 50% hike was scrapped
Reciprocal tariffs — April 2 onward Trump's reciprocal tariffs may begin April 2, targeting agriculture, cars, semiconductors, and lumber, but negotiations could delay them
Trump plans 25% EU tariffs and is investigating copper imports, with timelines unclear
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