6061 aluminum panels have high strength, good corrosion resistance and machinability, which makes 6061 grade suitable for all applications. The most widely used type of aluminum sheet for manufacturing projects. General purpose 6061 aluminum sheet stock is heat treatable, resistant to cracking caused by stress, easily weldable and machinable, but formable. The 6061 aluminum sheet stock is ideal for structural frames, base plates, corner braces, aircraft, marine and automotive parts, and more.