Aluminum Sheet 6061 O Temper exhibits above average corrosion resistance, good machinability, high strength after heat treatment, light weight, good weldability, and the ability to be heat treated for even higher strength, all at an affordable price 6061 is the most commonly used aluminum alloy in the world due to its positive characteristics It is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames HEAT TREATMENT IS NECESSARY TO PROVIDE STRENGTH, AS O TEMPER IS EXTREMELY SOFT