The application of aluminum in the
structural industry has a history of more than 100 years. It was first used as architectural decoration materials, such as door and window frames, glass curtain wall frames, building outsourcing aluminum panels, vertical locking roof, etc.In the 1930s, aluminum alloy was used in the load-bearing and maintenance structure of buildings.At present, aluminum alloy has become the largest construction metal material besides steel, and 27% of the world's aluminum output is used in construction every year.At present, aluminum alloy is used more and more as load-bearing structural material, such as bridge, warehouse, space structure and so on.
Pure aluminum has good ductility but low strength and is generally only used in low stress
structural at room temperature.In order to improve the performance of pure aluminum, people make all kinds of aluminum alloy by adding various metal elements in pure aluminum, the
structural of aluminum alloy is usually aluminum, magnesium, silicon alloy.
Among them, 6XXX series contains magnesium and silicon elements. This series of aluminum alloy has good corrosion resistance and similar strength to Q235 steel, and is easy to extrude and shape. Most aluminum alloy profiles used in building
structural belong to this series, such as
6061 T6 Aluminum structural profile profiles
, which is widely used in aluminum alloy building structures.