6061-T651 aluminum is the main alloy of 6061 aluminum alloy. It is a high quality aluminum alloy product produced by heat treatment pre-stretching process. Its strength can not be compared with 2XXX system or 7XXX system, but its magnesium and silicon alloy have many characteristics. Good processing performance, excellent welding characteristics and electroplating, good corrosion resistance, high toughness, no deformation after processing, dense material without defects, easy to polish, easy to color film, excellent oxidation and other excellent features. So widely used in decoration, packaging, construction, transportation, electronics, aviation, aerospace, weapons and other industries.