Aluminum IBeam American Standard 6061T6 exhibits high strength, low weight, above average corrosion resistance, ease of machining, and has excellent weldability 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 American Standard IBeam has a tapered flange thickness with the section near the spine being thicker than the edges