Known for its versatility, Aluminum 6061 flat bar is usually used for aerospace, marine, electronic, ornamental, machinery, and structural applications. 6061 aluminum rectangle bar offers a good strength-to-weight ratio, above average corrosion resistance, good machinability, and excellent weldability,. Aluminum 6061 rectangular bar is available in standard and custom-cut lengths, making Aluminum Flat bar stock ideal for stairs, ramps, flooring, machining parts, and more. Price and order online and enjoy the convenience of having your purchase shipped directly to you.