On August 26, 2022, the U.S. Department of Commerce issued an announcement stating that in response to applications submitted by the Aluminum Association Common Alloy Folha de alumínio Working Group and its members Aluminum Sheet/CAAS) anti-dumping and anti-subsidy case initiated an anti-circumvention investigation to examine whether the products involved are produced from 4017 aluminum alloys in order to avoid anti-dumping and countervailing duties on aluminum alloy sheets. 4017 Folha de alumínio, in coils or cut-to-length in millimeters.

On November 28, 2017, the U.S. Department of Commerce announced that it independently initiated a double-reverse investigation on aluminum alloy sheets imported from China. On November 7, 2018, the U.S. Department of Commerce made an affirmative final ruling on the case. Em dezembro 7, 2018, the US International Trade Commission made an affirmative final ruling on industrial damage in the case. On February 6, 2019, the United States officially imposed countervailing duties on Chinese aluminum alloy sheets. On February 8, 2019, the United States officially imposed anti-dumping duties on Chinese chapas de liga de alumínio. The products involved were those with a thickness greater than 0.2 mm and less than or equal to 6.3 milímetros. Aluminum alloy sheets or coils to length, involving U.S. Harmonized Tariff Nos. 7606.11.3060, 7606.11.6000, 7606.12.3090, 7606.12.6000, 7606.91.3090, 7606.91.6080, 7606.92.3090, 7606.92.6080 Produtos, and some products under headings 7606.11.3030, 7606.12.3030, 7606.91.3060, 7606.91.6040, 7606.92.3060, 7606.92.6040, 7607.11.9090.