On April 2, 2026, the White House issued two significant Presidential Proclamations under Section 232 of the Trade Expansion Act of 1962 that materially restructure existing US tariffs on imports of aluminum, steel, and copper products, and impose new tariffs on certain pharmaceutical products and ingredients. Together, these actions substantially change the tariff rates on a broad range of products and establish new country‑ and company‑specific frameworks that will have immediate and far‑reaching implications for importers, manufacturers, and global supply chains.
A New Framework for Section 232 Tariffs on Aluminum, Steel, and Copper Products
Effective April 6, 2026, the metals proclamation significantly increases Section 232 tariffs on aluminum, steel, and copper articles and derivatives. A 50 percent tariff now applies to the full value of covered aluminum, steel, and copper articles and derivatives listed in Annex I‑A, which includes products classified in Chapters 72, 73, 74,
