… Refined copper and copper alloys, unwrought. …
Explanatory notes
… (e.g., for alloying purposes) or into wire‑bars, slabs for rolling, billets (including those of circular cross‑section) … This heading further covers cast and sintered slabs, bars, rods and ingots, etc., provided they have not been worked … products are porous and of low strength and are normally rolled, extruded, forged, etc., to achieve useful density. …