Characteristics of aluminum coil: soft, strong plasticity and excellent usability. It is very suitable for applications involving complex forming because it hardens more slowly than other alloys. It is the most weldable aluminum in aluminum alloy and has various welding methods. 1100 grade aluminum can not be heat treated, but it has strong corrosion resistance and is widely used in the chemical and food processing industries. Its surface is flat and beautiful, which can be used in the field of jewelry