AERODUR

Unwrought and semi-wrought common metal for further manufacture, namely, stainless steel and bright steel; semi-finished products of steel in the form of rods, [ plates, sheets, ] billets, blocks [, wire, profiles, screw rings; auxiliary welding materials of metal, namely, welding wires, welding bands, and welding rods, excluding paints, primers and clear coats for use on civil and military airplanes and aerospace carriers ]