Sheet aluminum is a widely used material. It has a high strength yet is lightweight making it versatile. It is popular in metalworking because it can be easily cut into different lengths; as well as bent into an array of different shapes. It can be purchased in sheets ranging anywhere from 1X2 FT to 4X10FT.
Prices will vary depending on where you choose to purchase your material. You can usually obtain cut-to-size service when buying sheets from a retailer for no additional charge. It also comes in a variety of thickness gauges. Whatever the demands of your project are sheet aluminum is the answer you are looking for.