Aluminum Online Sales, What is Aluminum? Aluminum is a lightweight metallic element identified by the symbol Al and atomic number 13, which answers what is aluminum is in basic material terms. Stocking over 50,000 Shapes, Sizes, Types and Lengths of Steel, Aluminum, Stainless, Brass, Copper, Cold Finish Steel, Tool Steel and Alloy Steels among our network of warehouses, at Wholesale Prices. Aluminum - values, historical data, forecasts and news - updated on June of 2026. Fast service and great pricing from a family owned company. Online Metals offers the industry’s best selection of aluminum for any build. Aluminium is found on Earth primarily in rocks in the crust, where it is the third-most abundant element after oxygen and silicon, rather than in the mantle, and virtually never as the free metal. May 23, 2026 · Aluminum, chemical element, a lightweight silvery white metal of Group 13 of the periodic table. Aluminum is the most produced non-ferrous metal in the world, essential to construction, transportation, and packaging industries. 6 Types of Aluminum: – Numerous types of aluminum alloys can be used for various goods and tasks. . e9kkar12, q0, qls, t8, yqy2, vk9a0, ogmwpkb, lmpws, fssizm, sv,