Aluminum alloy structural profile
Aluminium alloy structural profiles are the most widely used type of non-ferrous metal structural materials in industry and have been widely used in aviation, aerospace, automotive, machinery manufacturing, marine, construction, decoration and chemical industries.
With the rapid development of science and technology and industrial economy in recent years, the demand for welded structures of aluminum alloys has been increasing, and the research on the welding properties of aluminum alloys has also been deepened. The extensive application of aluminum alloys has promoted the development of aluminum alloy welding technology. At the same time, the development of welding technology has expanded the application field of aluminum alloys. Therefore, the welding technology of aluminum alloys has become one of the hot topics of research.
Through long-term production practices and scientific experiments, people have gradually strengthened aluminum by adding alloying elements and using heat treatment methods. This has led to a series of aluminum alloys. The alloy formed by adding certain elements can maintain high strength while maintaining the advantages of pure aluminum, and the σb values can reach 24 to 60 kgf/mm2. This makes its “specific strength” (the ratio of strength to specific gravity σb/ρ) outweigh many alloy steels and becomes an ideal structural material. It is widely used in machinery manufacturing, transportation machinery, power machinery and aerospace industries, etc. , skin, compressors, etc. are often made of aluminum alloys to reduce their own weight.
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