Aluminum is a silver-white metal, the third most abundant in the earth's crust after oxygen and silicon. The density of aluminum is relatively small, only 34.61% of iron and 30.33% of copper, so it is also called a light metal. Aluminum is the world's largest non-ferrous metal after steel in production and consumption. The density of aluminum is only 2.7103g/cm³, which is about 1/3 of the density of steel, copper or brass. Due to its light material, aluminum is often used in the manufacture of land, sea and air vehicles such as automobiles, trains, subways, ships, airplanes, rockets, and spaceships to reduce its own weight and increase its loading capacity.

Classification

Aluminum ingots can be divided into three types: aluminum ingots for remelting, high-purity aluminum ingots and aluminum alloy ingots according to different components; according to shape and size, they can be divided into strip ingots, round ingots, plate ingots, and T-shaped ingots.

Several common aluminum ingots

Aluminum ingot for remelting--15kg, 20kg (≤99.80%Al)

T-shaped aluminum ingot--500kg, 1000kg (≤99.80%Al)

High-purity aluminum ingot--l0kg, 15kg (99.90%～99.999%Al)

Aluminum alloy ingot--10kg, 15kg (Al--Si, Al--Cu, Al--Mg)

Plate ingot--500～1000kg (for plate making)

Round ingot--30～60kg (for wire drawing)