Alloyed steels; Alloys of common metal; Brass, unwrought or semi-wrought; Cast iron, unwrought or semi-wrought; Cast steel; Chrome iron; Common metals, unwrought or semi-wrought; Containers of metal for compressed gas or liquid air; Copper, unwrought or semi-wrought; Fittings of metal for pipes; Fittings of metal for flexible pipes; Iron slabs; Metal gratings; Muselets in the nature of wire closures for bottles; Steel pipes; Steel sheets; Steel, unwrought or semi-wrought; Tombac; Tubes of metal