Iron and steel barbed wire, twisted hoop wire, single flat wire, and loosely twisted double wire used for fencing are agricultural and security perimeter products with a long history of antidumping and countervailing duty scrutiny from multiple origins. Section 232 tariffs on steel also apply, layering trade-remedy exposure that importers must carefully evaluate by origin. The heading encompasses both traditional barbed wire and the flat or hoop wire variants used in agricultural fencing, so product form and construction details should be clearly documented on commercial invoices.

AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.