Strengthened Tariffs on Steel, Aluminum, and Copper Imports
Summary
President Trump signed a Proclamation strengthening Section 232 tariffs on imported steel, aluminum, and copper. Articles made entirely or mostly of these metals face a 50% flat tariff on full value; derivative articles face 25%; metal-intensive industrial equipment and electrical grid equipment face 15% through 2027. The proclamation establishes new calculation rules to ensure tariffs reflect full import value rather than artificially low foreign prices.
What changed
The White House announced strengthened Section 232 tariffs on steel, aluminum, and copper imports via Presidential Proclamation. The new tariff structure establishes: 50% flat rate on articles made entirely or almost entirely of aluminum, steel, or copper (e.g., steel coils, aluminum sheet); 25% flat rate on derivative articles substantially made of these metals; 15% through 2027 for metal-intensive industrial equipment and electrical grid equipment; 10% for products made abroad with American steel, aluminum, and copper; and no tariffs for products containing 15% or less of these metals. The Proclamation also defines tariff assessment methods to reflect full import value rather than artificially low foreign prices.
Importers of steel, aluminum, copper, and derivative products should immediately review their HTS classifications to determine applicable tariff rates under the new structure. Companies manufacturing industrial equipment or electrical grid components should assess their metal content to determine if the 15% transitional rate applies. Supply chain reviews should evaluate sourcing of American-made metals to potentially qualify for the 10% reduced rate. These tariffs build on previous Section 232 actions and are designed to protect domestic manufacturing and national security.
What to do next
- Review HTS classifications for steel, aluminum, and copper imports to determine applicable tariff rate
- Assess product metal content to verify whether 50%, 25%, 15%, or 10% rate applies
- Evaluate supply chain for potential use of American-made metals to qualify for reduced 10% tariff
- Review contracts with foreign suppliers for tariff pass-through provisions
Source document (simplified)
Fact Sheet: President Donald J. Trump Strengthens Tariffs on Steel, Aluminum, and Copper Imports
The White House
April 2, 2026
BOLSTERING DOMESTIC MANUFACTURING OF STRATEGIC METALS AND THEIR DERIVATIVES: Today, President Donald J. Trump signed a Proclamation to strengthen tariffs imposed on imported steel, aluminum, and copper in order to more effectively address the national-security threat posed by such imports.
- The Proclamation defines the way that tariffs are assessed, ensuring that they reflect the full value of imported steel, aluminum, and copper products—not an artificially low foreign price.
The Proclamation also establishes clear rules for calculating Section 232 metals tariffs.
- Articles made entirely or almost entirely of aluminum, steel, or copper will pay a flat 50% on their full value — for example, steel coils and aluminum sheet.
- Derivative articles substantially made of steel, aluminum, or copper will pay a flat 25% on their full value.
- Certain metal-intensive industrial equipment and electrical grid equipment will pay 15% through 2027, to accelerate the massive industrial base buildout currently underway across the United States.
- Products made abroad but entirely with American steel, aluminum, and copper will be subject to lower tariffs of 10%.
- Products made of 15% or less steel, aluminum, or copper will no longer be subject to Section 232 metals tariffs. STRENGTHENING ECONOMIC AND NATIONAL SECURITY: President Trump has strengthened tariffs on imported aluminum, steel, and copper to protect the national security of the United States, including the economic resilience of vital industries and the financial position of American workers.
In 2025, the United States became the third largest steel producing nation in the world, surging past rival economies—thanks to President Trump’s Section 232 tariffs program. New steel plants are being built in America, for the first time in a generation, revitalizing our great steel communities and providing good-paying jobs for American workers.
- Over 4 million tons of new crude steelmaking capacity is expected to become operational in the next two years, including in West Virginia, Arkansas, and South Carolina, with additional investments underway across the country.
New U.S. aluminum and copper smelting is also underway across America. Earlier this year, Century Aluminum and Emirates Global Aluminum announced a joint venture to build the first new aluminum smelter in the United States in decades, in Oklahoma. Companies such as Highland Copper, Ivanhoe Electric, Rio Tinto, and Wieland are expanding U.S. copper mining, smelting, and fabrication facilities.
This buildout — and the continued health of these vital American industries — is only possible through the continued implementation and strengthening of the President’s Section 232 tariff programs. These tariffs ensure domestic producers and workers can compete on a level playing field.
PUTTING AMERICAN PRODUCTION FIRST: Today’s Proclamation builds on previous actions taken by President Trump that strengthen national security while uplifting the economic position of American workers, families, and communities.In his first term, President Trump revolutionized international trade by using Section 232 to tariff steel and aluminum imports — addressing decades of short-sighted, globalist trade policies that had allowed these domestic industries to weaken.
In February 2025, President Trump issued a historic Proclamation overhauling the steel and aluminum tariffs, including by eliminating hundreds of thousands of product-specific exceptions and country-specific exemptions that had accumulated during the Biden years.
In June 2025, President Trump boldly increased the steel and aluminum tariff rates to 50% — a level strong enough to ensure the strengthening of these critical industries.
In July 2025, President Trump issued a historic proclamation adding copper to the Section 232 tariffs program, at the same 50% rate as steel and aluminum.
Through the strategic use of tariffs, President Trump has, among other things, brought hundreds of billions of dollars back to the American people and promoted foreign investment in American commerce and American workers.
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