'Birmabright' is a trade name of the former Birmetals Co. (Birmabright works in Clapgate Lane, Quinton,
Birmingham,
UK) for various types of lightweight sheet metal in an
alloy of
aluminium and
magnesium. The BB2 is one example, of which equivalent specifications are British standard NS4, American 5251 and
ISO designation AlMg2.
Birmabright is best known as the material used in the body of the
Land Rover and other classic British vehicles.