The basic info of aluminum

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2019-03-22

Today let’s talk about some info of aluminum. Aluminum is a light metal, and its compounds are widely distributed in nature, second only to oxygen and silicon. Among the metal varieties, second only to steel, it is the second largest category of metal. Aluminum has good electrical conductivity and ductility, and its application range is very wide, involving light industry, electric power, electrical, electronics, automobile, machinery manufacturing, construction, packaging and other industries.

The most attention we pay is to the price.

What factors will influence the price of the aluminum? Let’s see (1) production and import and export volume; (2) inventory; (3) the level of electricity; (4) the degree of application of related alternative products; (5) the improvement and innovation of production processes.

There are many metals, but aluminum is more suitable for futures trading, why? Please check below: first, large number of production and sales, with a large number of buyers and sellers; second, uniform quality, simple specifications, easy to classify the grade; third, easy to store, convenient transportation; fourth, price fluctuations

Overview of international and domestic transactions: The largest exchange of aluminum contracts in the world is the London Metal Exchange (LME), the Shanghai Metal Exchange is one of the more influential exchanges. So for customers abroad, they mainly check prices based on the LME, and for chinese factories, they check prices based on SME.

Compared with other metal materials of aluminum and aluminum alloy, it has the following characteristics:

1, high intensity

Aluminum and aluminum alloys have high strength. After a certain degree of cold working, the strength of the substrate can be strengthened, and some grades of aluminum alloy can also be strengthened by heat treatment.

2, good electrical and thermal conductivity

The electrical and thermal conductivity of aluminum is second only to silver, copper and gold.

3, easy for processing

After adding a certain alloying element, a cast aluminum alloy with good casting properties or a deformed aluminum alloy with good plasticity can be obtained.

4, low density

The density of aluminum and aluminum alloys is close to 2.7 g/, which is about 1/3 of that of iron or copper.

5, good corrosion resistance

It is easy to naturally produce a dense and strong protective film on the surface of aluminum, this film can protect the substrate from corrosion. By artificial anodizing and coloring, a cast aluminum alloy with good casting properties.

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