Aluminum Sheet and Foil 101

Manufacturing Aluminum Foil

The manufacturing of aluminum foil dates back to the early 20th century when small quantities of foil were produced by hammering. It didn’t take long to realize that manufacturing aluminum sheet and foil in this manner was labor-intensive.

Today aluminum foil and sheet are produced by rolling the material through a continuous mill which makes the aluminum thinner and longer. Thickness is reduced through this process and the aluminum product is wound into a coil at the end of the production line. These coils are then cold rolled in cold rolling mills. The coils can be heated in a furnace to soften it for further cold rolling or to produce the mechanical properties desired.

For some aluminum sheet products cold rolling is the last step in the process. However, other types of aluminum sheet require more processing. In this case, they go through further elevated temperature processing in order to increase their strength.

Learn more about All Foils assortment of aluminum sheet.

Contact us if you’d like more information about our aluminum sheet and foil products.

Types of Aluminum Alloys

Choosing the right aluminum alloy for your application is an important step. There are a great deal of aluminum alloys available, and selecting one means considering a variety details such as corrosion resistance, density, tensile strength, workability and more. Luckily, the experts at All Foils have been helping partners determine the ideal types of aluminum alloys for their unique applications for decades.

All Foils maintains an inventory of a variety of wrought aluminum alloys ranging from 1000 to 8000 series in the International Alloy Designation System. Under this IADS system, each alloy is given a four digit number, with the first digit indicating the major allowing elements. For instance, 1000 series aluminum alloys are essentially pure aluminum and maintains a minimum 99% aluminum content by weight. 1000 series can be worked hardened.

On the opposite end of the spectrum is 8000 series aluminum alloys which feature elements not covered by other numerical designations, such as aluminum-lithium alloys. Since lithium is the least dense elemental material, aluminum-lithium alloy is significantly less dense than pure aluminum. Al-Li alloys are primarily used in the aerospace industry.

Alloys from each series lend themselves well to the various applications and end users of aluminum. For help selecting the ideal aluminum alloy for your application, please contact All Foils.

Gauge Sizes of Aluminum Sheet

Gauge is a measurement indicating the thickness of a sheet metal. Higher numbers refer to a thinner sheet and vice versa. Generally speaking, 000000 gauge aluminum sheet is the thickest measuring 14.732 mm while 40 gauge aluminum sheet is the thinnest measuring .079 mm.

All Foils has a variety of aluminum sheet on-hand ranging from 1.016 mm to .00508 mm in thickness or .040” to .0002”. We are happy to work with you to determine the appropriate gauge or thickness for your needs and discuss custom orders if your desired gauge is outside our current inventory.

Learn more about All Foils’ assortment of aluminum sheet in various gauges and thicknesses.