Aluminum alloy is the most widely used structural material of nonferrous metal in industry

Aluminum alloy pipeline said that aluminum alloy is a kind of nonferrous metal structure materials widely used in industry, in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry has been a large number of applications. With the rapid development of industrial economy, the demand for aluminum alloy welded structural parts is increasing day by day. At present, aluminum alloy is a widely used alloy.

Aluminum alloy profile is a kind of nonferrous metal structure material widely used in industry, in aviation, aerospace, automobile, machinery manufacturing, ship, construction, decoration. And has been widely used in the chemical industry. With the rapid development of science and technology and industrial economy in recent years, the demand for aluminum alloy welded structural parts is increasing day by day. The extensive application of aluminum alloy promotes the development of aluminum alloy welding technology, and the development of aluminum alloy welding technology expands the application field of aluminum alloy, so the welding technology of aluminum alloy is becoming one of the research hotspots.

Actually aluminium alloy door and wooden door have their advantage, but discuss which kind of good, still want to consider their limitation first. Aluminium alloy door can waterproof, moistureproof, not easy deformation, cheap, long life. But aluminium alloy door is not quite good-looking namely, choice space is very small, home outfit shows class not quite.

Dalian aluminum alloy pipe, small density of pure aluminium (rho = 2.7 g/cm3), is about 1/3 of the iron, low melting point (660 ℃), aluminum is face-centered cubic structure, therefore, has the very high plasticity (delta: 32 ~ 40%, and bits of: 70 ~ 90%), easy to machining, can be made into all kinds of shapes, plates, corrosion resistant performance is good. However, the strength of pure aluminum is very low and the annealed state sigma b value is about 8kgf/mm2, so it is not suitable to be used as a structural material.

Through long-term production practice and scientific experiments, people gradually add alloy elements and use heat treatment methods to strengthen aluminum, which has obtained a series of aluminum alloy. The alloy formed by adding certain elements can have a high strength while maintaining the advantages of pure aluminum such as light quality. The value of sigma b is up to 24 ~ 60kgf/mm2 respectively.