U.S. Department of the Treasury

The terms copper and copper products mean any raw, semi-fabricated, fabricated, or finished form of copper or copper alloy of all grades, sizes, and thicknesses, including in the following forms: ores and concentrates; copper mattes; cement copper (precipitated copper); refined, unrefined, wrought, or unwrought copper; billets; cathodes; bars, rods, profiles, plates, sheets, strips, foil, tubes, and pipes; tube and pipe fittings; powders and flakes; reservoirs, tanks, vats, and similar containers; wire, stranded wire, ropes, cables, and plaited band; castings, stampings, and forgings; and waste and scrap, including slag. (31 C.F.R. § 561.333; 31 C.F.R. § 562.314).