Aluminium, is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic, ductile metal.
A 7990 (OTTO) Aluminium pellets, dia 3-12 mm, 99.99% Cas 7429-90-5 - used non-ferrous metal. Aluminium is almost always alloyed, which markedly improves its mechanical properties, especially when tempered.