What is the difference between aluminum and aluminum alloy?
2022-07-06

Aluminum alloy is the most widely used non-ferrous metal material in industry. It has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. In daily life, we see doors and windows, beds, cooking utensils, tableware, Bicycles, cars, etc., all contain aluminum alloys.

In addition, aluminum is one of the most commonly used metal materials in the construction industry, so have you ever understood the difference between aluminum alloy and aluminum?

This article will let Baowu take you to understand the difference between aluminum and aluminum alloy.

图片1.png  图片2.png

First, aluminum and aluminum alloys contain different elements.

The aluminum content of pure aluminum can reach more than 99%, and basically no other metal materials are added, even if it is hard aluminum, the other metals added will not exceed 4%.

The aluminum alloy is made of aluminum metal and other metals such as copper, zinc, manganese, silicon, magnesium and other metals. Combining the advantages of aluminum and other metals can form a protective oxide layer.

 

Secondly, the properties of aluminum and aluminum alloys are also different.

Pure aluminum is very ductile, very malleable, and has good corrosion resistance.

Because aluminum alloys are doped with other metals, aluminum alloys have high hardness, are not easy to deform, have full toughness, and are very bright in color. They are not only pure white and pure silver, but their corrosion resistance is poorer than pure aluminum.

图片3.png  图片4.png

Finally, aluminum and aluminum alloys are used for different purposes.

Pure aluminum items are rarely seen in life now, such as pure aluminum non-stick pans, aluminum bars, aluminum foil packaging, etc.

Aluminum alloys are more and more widely used in modern industry. Among them, hard aluminum alloys belong to aluminum-magnesium-copper series alloys. Through quenching and synthesis, their hardness and heat resistance can be greatly improved. They are mainly used in the manufacture of large-scale machinery. Aluminum alloys are mainly rust-proof aluminum alloys, such as doors and windows, cooking utensils, automobiles, etc., which belong to the aluminum-manganese series alloys, with moderate hardness, good plasticity, and can be used for many times, and at the same time have good corrosion resistance.

图片5.png  图片6.png

The above is the difference between aluminum and aluminum alloy. If you want to know more, please pay attention to Baowu at any time.