Aluminum Processing

Aluminum, or aluminium (Al), is a silvery white metal with a melting point of 660� C (1,220� F) and a density of 2.7 grams per cubic centimetre. The most abundant metallic element, it constitutes 8.1 percent of the Earth's crust. In nature it occurs chemically combined with oxygen and other elements. In the pure state it is soft and ductile, but