# Section 232 Aluminium Tariffs

*Last updated: 2026-07-02*

> As of July 2026.

As of July 2026. Unlike market-injury trade remedies, the Section 232 aluminium tariffs rest solely on a national security rationale: Section 232 of the U.S. Trade Expansion Act of 1962 authorises the President to impose duties or import quotas where aluminium imports threaten domestic production capacity in a defence-relevant sector. The rate was raised from 10% to 25% on 10 February 2025 and has stood at 50% since 4 June 2025. All former country exemptions, absolute quotas, and tariff-rate quotas (TRQs) were revoked effective 12 March 2025. Since the 6 April 2026 overhaul (Proclamation 11021) the duty is assessed on the full customs value of the goods rather than only the aluminium content; the proclamation of 1 June 2026 (effective 8 June 2026, temporary through 31 December 2027) expanded a reduced 15% rate to further metal-intensive goods, lowered the threshold to qualify as "entirely" U.S. metal from 95% to 85%, and capped the Section 232 rate for a group of partner countries – Argentina, Ecuador, El Salvador, Guatemala, Japan, South Korea, Liechtenstein, Switzerland, Taiwan, the United Kingdom and the EU – at a total of 15% (including the regular import duty); for the United Kingdom this cap replaces the earlier 25% rate under the US-UK arrangement. Primary aluminium and semi-finished and derivative products across the value chain are in scope; certain derivative groups with high metal content may be subject to a reduced rate. Section 232 measures are routinely challenged as inconsistent with WTO obligations. For the overall picture see Steel and Aluminum Tariffs (Section 232); closely related are the Section 232 steel tariffs and Section 232 copper tariffs. Not to be confused with general additional duties or the reciprocal tariffs imposed under IEEPA.

**Source:** White House, Proclamation „Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper into the United States" (1. Juni 2026, wirksam 8. Juni 2026), https://www.whitehouse.gov/presidential-actions/2026/06/further-adjusting-the-tariff-regimes-for-imports-of-aluminum-steel-and-copper-into-the-united-states/; Proclamation 11021 (April 2026); Section 232, Trade Expansion Act of 1962 (19 U.S.C. § 1862)

## Quick Facts

| Property | Value |
|---|---|
| Term | Section 232 Aluminium Tariffs |
| Language | EN |
| Word count | 284 |
| Last updated | 2026-07-02 |
| Source | White House, Proclamation „Further Adjusting the Tariff Regimes for Imports of Aluminum, Steel, and Copper into the United States" (1. Juni 2026, wirksam 8. Juni 2026), https://www.whitehouse.gov/presidential-actions/2026/06/further-adjusting-the-tariff-regimes-for-imports-of-aluminum-steel-and-copper-into-the-united-states/; Proclamation 11021 (April 2026); Section 232, Trade Expansion Act of 1962 (19 U.S.C. § 1862) |

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