Larger hot-rolled, hot-drawn, or extruded structural sections — U, I, H, L, and T profiles at or above 80 mm in height — are primary load-bearing components in commercial construction, bridge fabrication, and heavy industrial frameworks. The 80 mm minimum height threshold distinguishes these heavier members from lighter sections and aligns with the structural engineering specifications that govern their end use. Like all steel mill products, these sections are subject to Section 232 tariffs, and antidumping or countervailing duty orders on structural steel from certain origins may also apply depending on the specific profile and source country. Buyers should verify whether the section profile and country of origin trigger any active trade-remedy orders before contracting.

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