Aluminum is an extremely rich metal element on the earth, and its reserves rank the first among metals. At the end of the 19th century, aluminum came to the fore and became a competitive metal in engineering applications. The development of the three important industries of aviation, construction and automobile requires that the materials have unique properties of aluminum and its alloys, which is greatly conducive to the production and application of this new metal aluminum.

Aluminum rod is a kind of aluminum product. The melting and casting of aluminum rod includes melting, purification, impurity removal, degassing, slag removal and casting processes. According to the different metal elements contained in aluminum bars, aluminum bars can be roughly divided into 8 categories.