Section 232 copper tariffs (50%)
50% tariffs on semi-finished copper and copper-intensive derivative products, effective August 2025 — the first Section 232 action on copper. The regime was folded into the unified metals framework in 2026: expanded coverage in April, further adjustments and a 15% transitional rate for certain categories in June, running through December 31, 2027.
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Timeline
- In effectFederal Register
June 2026 adjustments
Further rate-structure adjustments effective June 8, 2026 through December 31, 2027.
Official sources - In effectFederal Register
Folded into unified metals framework
Coverage expanded and enforcement tightened alongside steel and aluminum.
Official sources - In effectFederal Register
50% copper tariff takes effect
Proclamation imposes 50% tariffs on semi-finished copper products and copper-intensive derivatives.
Official sources
Official sources
- Proclamation adjusting imports of copper · 90 FR 37727
- June 2026 proclamation further adjusting metals tariffs · 91 FR 34085
Last verified 06/12/2026
Related measures
Section 232 steel tariffs (50%)
National-security tariffs on steel, in place since 2018 and sharply expanded in 2025–26: the rate doubled to 50% in June 2025, country exemptions ended, the duty base now covers the full customs value of derivative articles, and hundreds of downstream products were added. A 15% transitional rate for certain metal-intensive equipment runs through December 31, 2027. Unaffected by the Supreme Court's IEEPA ruling.
Current rate: 50% on steel articles and most derivatives; 15% transitional rate for certain metal-intensive equipment
Expires by law:Section 232 aluminum tariffs (50%)
National-security tariffs on aluminum, expanded in lockstep with steel: 50% since June 2025 for all origins, derivative coverage broadened repeatedly, duties assessed on full customs value since April 2026, and a 15% transitional rate for certain equipment through December 31, 2027. Unaffected by the Supreme Court's IEEPA ruling.
Current rate: 50% on aluminum articles and most derivatives; 15% transitional rate for certain metal-intensive equipment
Expires by law:Section 232 automobile and auto-parts tariffs (25%)
25% tariffs on imported passenger vehicles and light trucks since April 2025, extended to key auto parts in May 2025. USMCA-qualifying vehicles are tariffed only on non-U.S. content, and an import-adjustment offset phases down support for U.S. assemblers. Unaffected by the IEEPA ruling.
Current rate: 25% on passenger vehicles, light trucks, and listed auto parts