6061 aluminum bar is a 6 series aluminum alloy product. It is a high-quality aluminum alloy product that has undergone a heat treatment pre-stretching process. Although its strength cannot be compared with 2 series and 7 series aluminum alloy products, it has many magnesium and silicon alloy characteristics, and has excellent processing performance, excellent welding characteristics and electroplating properties, good corrosion resistance, high toughness, no deformation after processing, dense and defect-free material, easy polishing, easy color film, and excellent oxidation effect.