Trump Slaps New 50% Tariffs on Steel and Aluminum, Raising Costs for American Manufacturers and Consumers

President Trump issued a sweeping revision to his Section 232 metal tariffs on April 2, 2026, dramatically increasing costs for American businesses that rely on imported steel, aluminum, and copper. The new tariff structure eliminates key exemptions, doubles rates on many products, and applies to goods already en route to U.S. ports.

Tariffs Double to 50% on Core Metal Products

The revised tariffs impose a 50% duty on the full value of steel, aluminum, and copper articles -- double the previous 25% rate. This applies to products made "entirely or almost entirely" of these metals, including most items classified under standard trade codes for steel (chapter 72), aluminum (chapter 76), and copper (chapter 74).

Derivative products containing these metals face a 25% tariff on their full customs value. Previously, tariffs on derivative products applied only to the metal content portion, not the entire product value. That distinction has been eliminated, meaning manufacturers now pay tariffs on components, labor, and other materials embedded in finished goods.

The changes take effect at 12:01 a.m. EDT on April 6, 2026. The proclamation provides no exception for goods already in transit, forcing importers to absorb unexpected costs on shipments they cannot reroute or cancel.

Domestic Content Exemption Gutted

Under the previous tariff regime, products made with American-sourced steel, aluminum, or copper were completely exempt from Section 232 tariffs. That exemption has been replaced with a reduced 10% tariff.

To qualify for the 10% rate, manufacturers must prove their aluminum was "smelted and cast in the United States," their steel was "melted and poured in the United States," and their copper was "smelted and cast in the United States." Even companies that exclusively use domestic metal inputs will now face tariffs on their finished products.

This change undermines American metal producers and manufacturers who invested in domestic supply chains specifically to avoid tariffs. It also raises costs for infrastructure projects, construction, and manufacturing sectors that depend on derivative products like fasteners, electrical components, and industrial equipment.

Temporary Relief for Some Industrial Equipment

Certain industrial and electrical grid equipment receives a temporary tariff reduction to the higher of either 15% or the normal tariff rate. Products made with U.S. metal inputs qualify for a 10% rate instead. These reduced rates expire on January 1, 2028, when the equipment will face the full 25% tariff.

The administration reserves the right to revoke this temporary relief for any country at any time. Products from Belarus, Cuba, North Korea, and Russia are excluded from the reduction entirely.

Special Deal for the UK, Punitive Rates for Russia

The United Kingdom secured preferential treatment as part of ongoing trade negotiations. UK steel and aluminum products that would otherwise face the 50% tariff instead pay 25%. Products that would face the 25% tariff pay 15%. To qualify, the metal content must be smelted or cast in the UK.

Meanwhile, aluminum products from Russia remain subject to a 200% tariff, continuing the administration's punitive approach to Russian imports.

Economic Fallout for American Businesses

The revised tariff structure eliminates hundreds of products from the tariff list while adding dozens of new ones. But the net effect is a significant cost increase for American manufacturers, construction firms, and infrastructure projects.

By applying tariffs to the full customs value of derivative products instead of just the metal content, the administration is taxing labor, components, and other inputs that have nothing to do with metal production. This raises costs for American businesses without protecting domestic metal producers, who already face reduced demand as manufacturers seek alternatives to tariffed imports.

The elimination of the domestic content exemption is particularly damaging. Companies that invested in American supply chains to avoid tariffs now face a 10% tax on products made entirely with U.S. materials. This punishes exactly the behavior the tariffs were supposedly designed to encourage.

The lack of a grace period for goods in transit creates immediate cash flow problems for importers who contracted for shipments under the old tariff rates. Businesses cannot adjust pricing, renegotiate contracts, or source alternative suppliers for goods already at sea.

Trade War Escalation Continues

The tariff overhaul is the latest escalation in Trump's trade war, which has already triggered retaliatory tariffs from U.S. trading partners and disrupted global supply chains. By doubling tariff rates and eliminating exemptions, the administration is betting that higher costs for American businesses and consumers will somehow strengthen domestic manufacturing.

The evidence suggests otherwise. Previous rounds of steel and aluminum tariffs raised costs for manufacturers, eliminated jobs in metal-consuming industries, and failed to reverse the long-term decline in American steel production. The new tariffs are likely to produce the same results, only faster and more painfully.

For American businesses, the message is clear: the Trump administration is willing to sacrifice their competitiveness and profitability in pursuit of a trade policy that benefits a narrow slice of domestic metal producers while harming the broader economy.