Uses of different series of aluminum alloys

- 2020-08-10 -
Series 1: It belongs to the series with the largest aluminum content. The purity can reach more than 99.00%. Used in conventional industrial fields

2 series: higher hardness, the highest content of copper in its dao, about 3-5%, used in aviation

Series 3: Manganese is the main component. The content is between 1.0-1.5, used in industries and products that require high rust prevention

Series 5: It belongs to the more commonly used alloy aluminum plate series of aluminum alloys, 5000 series aluminum sheet is magnesium, and the main features are low density, high tensile strength, high elongation, and good fatigue strength, but it cannot be heat treated. It is also widely used in conventional industries

Series 6: Mainly contains two elements of magnesium and silicon, 6000 series aluminum sheet is suitable for applications with high requirements for corrosion resistance and oxidation

7 Series: It belongs to the aviation series of aluminum alloys, it is an aluminum-magnesium-zinc-copper alloy, a heat-treatable alloy, and a super-hard aluminum alloy. It has good wear resistance and good weldability, but has poor corrosion resistance.

Extended information

series of aluminum alloys classification


Pure aluminum is divided into two categories: smelted products and pressure processed products. The former is represented by the chemical composition Al, and the latter is represented by the Chinese Pinyin LV (aluminum, industrial). Aluminum alloys can be divided into deformable aluminum alloys and cast aluminum alloys according to processing methods:

The deformed aluminum alloy can withstand pressure processing. It can be processed into various shapes and specifications of aluminum alloy. Mainly used in the manufacture of aviation equipment, doors and windows for construction, etc. Deformable aluminum alloys are divided into non-heat-treatable reinforced aluminum alloys and heat-treatable reinforced aluminum alloys. The non-heat-treatable reinforced type cannot improve the mechanical properties through heat treatment, but can only be strengthened by cold working deformation. It mainly includes high-purity aluminum, industrial high-purity aluminum, industrial pure aluminum, and anti-rust aluminum. Heat-treatable reinforced aluminum alloys can improve mechanical properties through heat treatment methods such as quenching and aging. It can be divided into duralumin, forged aluminum, super-duralumin and special aluminum alloys.

Cast aluminum alloys can be divided into aluminum-silicon alloys, aluminum-copper alloys, aluminum-magnesium alloys, aluminum-zinc alloys and aluminum-rare-earth alloys according to their chemical composition. Among them, aluminum-silicon alloys include hypereutectic silicon aluminum alloys, eutectic silicon aluminum alloys, and monolithic alloys. Crystalline silicon aluminum alloy, cast aluminum alloy is used in the as-cast state.

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