Aluminium pipe and aluminium tube are mostly used for various industrial or construction applications, but homeowners and auto manufacturers are also fast appreciating the use of aluminium pipe and aluminium tube, and they have adapted it for common household applications. Using aluminium tube or pipe can save you a lot of money as it is a lighter and cheaper alternative to steel or iron pipes. Aluminium tubing is available in a range of diameters from 2-inch to 12-inch; and they are available with their ends threaded for use with couplers.