2017 aluminum alloy material profile

August 16, 2019

[China Aluminum Industry Network] Material Introduction


The 2017 aluminum sheet is based on the previous 2nd-generation alloy for industrial applications. It has high strength and good cutting performance, but it has poor corrosion resistance. The characteristics of the 2 series aluminum plates are higher hardness, among which the original copper content is relatively high, about 3-5%. The 2 series aluminum sheet belongs to aerospace aluminum and is currently not commonly used in conventional industries. There are fewer manufacturers currently producing 2 series aluminum plates in China. The quality can not be compared with foreign countries. Currently imported aluminum sheet is mainly provided by Korean and German production companies. With the development of China's aerospace industry, the 2 series of aluminum sheet production technology will be further improved.

Material properties

2017 is a typical hard aluminum alloy in the aluminum-copper-magnesium system. Its composition is reasonable and its overall performance is good. Many countries produce this alloy, which is a large amount of hard aluminum. The alloy is characterized by high strength, a certain degree of heat resistance, and can be used as a working part below 150°C. At temperatures above 125°C, the strength of the 2017 alloy is higher than that of the 7075 alloy. The hot state, annealing and new quenching conditions are all better, and the heat treatment strengthening effect is significant, but the heat treatment process is demanding. The corrosion resistance is poor, but it can be effectively protected by coating with pure aluminum. It is easy to produce cracks during welding, but it can be welded or riveted using special techniques. Widely used in aircraft structures, rivets, wheel hubs, propeller components and other structural components.

Material use

2017 aluminum plates are commonly used in rivets, general mechanical parts, aircraft, ships, traffic, building structures, transportation tool structures, propeller components, and accessories.

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