Al 6063 is an alloy with magnesium and silicon as the alloying elements. 6063 coated aluminum sheet produced by Mirach Coating is widely used in frame construction aluminum doors and windows, curtain walls, in order to ensure the high wind resistance performance, assembly performance, and decorative properties, the comprehensive performance requirements of the aluminum alloy is much higher than the industrial standard. â?º Features & Applications 6063 coated aluminum sheet is commonly referred to as an architectural alloy. It has a high resistance to corrosion with excellent finishing characteristics. The 6063 coated aluminum sheet has average machinability and forming hot or cold is acceptable. Also due to its conductivity it is utilized in electrical substations. It is commonly used in the manufacture of pipe railings, furniture, windows, stair rails, and in pipe railing.