Tungsten Ores and Concentrates

Tungsten ores and concentrates — classified at the US level as either crude ores (2611003000) or processed concentrates (2611006000) — are a strategic mineral input for cemented carbide cutting tools, high-speed steel, and specialty alloys used in defense and aerospace applications. Imports under this heading are subject to Section 301 tariffs when originating from China, making supplier diversification a priority for US manufacturers. Bolivia and Spain lead recorded US imports under this heading, with Portugal, Mongolia, and Rwanda also among notable sources.