Aluminum coil and aluminum alloy are related in that aluminum coil can be made from aluminum alloy. An aluminum alloy is a material composed of aluminum and other metallic or non-metallic elements, which are mixed to enhance its properties. Aluminum coils are long, rolled sheets of aluminum that can be made from various types of aluminum, including alloys. The use of an alloy allows for the creation of aluminum coils with specific characteristics, such as increased strength, corrosion resistance, or formability, depending on the application requirements. Thus, aluminum coils are often manufactured from aluminum alloys to meet the demands of diverse industries.