Views: 20 Author: Site Editor Publish Time: 2017-06-27 Origin: Site
Due to the low density, high strength, and good plasticity of aluminum alloy that is close to quality steel, thus it can be manufactured into different kinds of profiles with excellent electrical conductivity, thermal conductivity and corrosion resistance, which is widely used among industry, the consumption use of them is only less than steel.
Some aluminum alloys own god mechanical properties, physical properties and corrosion resistance that can be obtained by heat treatment.
Hard aluminum alloy, Cu - Mg - AI system, generally containing a small amount of Mn can be strengthened by heat treatment.
Super hard aluminum alloy, Al Cu - Mg - Zn system, can be strengthened by heat treatment; It is a kind of aluminum alloy with the highest strength at room temperature, however, its corrosion resistance is poor, and can be easily softened under high temperature.
Wrought aluminum alloy mainly consist of Zn - Mg - Si - Al system, adding different kinds of elements, but the content is very small, thus it has excellent thermal plasticity, suitable for forging, it is also known as forging aluminum alloy.
Pure aluminum’ density is small (=2.7g/cm3), it’s about 1/3 of iron, But due to the low melting point (660 C) of aluminum, it can be easily deformed, that’s why we use them to extrude profiles.