crude and partially processed base metals; steel in the form of cast ingots, rolled or forged ingots, slabs, billets, sheet bars, rods, pipes, sheets, strips, and wire; tool steel, high-speed steel, structural steel, rust-, acid-, and heat-resistant steel, vacuum steel, hard manganese steel, special steel, magnetic steel; base metals and their alloys in the form of cast, forged, rolled, or sintered fittings, ingots, slabs, billets, sheet bars, rods, pipes, sheets, strips, and wire; hard metal alloys, sintered metal alloys, and compound alloys, sintered steel and sintered iron; gray cast iron and cast steel; metal conveyor chains; wear-resistant fine steel castings, especially for crusher parts, for grinding tools, for drag conveyor parts, for machine reinforcements, for rollers and wheels for machines, for guides, for grates, for slitting, cutting, and sieve plates, for bull wheel plates, for piping parts, for end and screw plows, for striker beams, and for machine drums; nonmagnetic fine steel castings; annealed fine steel castings, especially for furnace fittings, for machine reinforcements, for fireproof cast containers, for fireproof jets, for chains, for superheater parts, for fireproof pipe supports, for pipe stubs and pipe clamps, for supporting grates, for chutes, for recuperator parts, for retorts (containers made of fireproof material), for door frames and for mixing tools

mixing and kneading machines and parts therefor; namely, crushing tools, disks and disk supports, frames, worms, cylinders, cast cones, sliding floors, shaft covers, filter bowls, and cast rings; acid-resistant fine cast steel in the form of machine parts; namely, machine housings, armatures, pump and turbine wheels, diffusers, distributors, propellers for use in ventilators, pumps and fans, thrust pads and panels, cast drums and wheel parts