1. The most typical characteristic is its weldability. There are many other aluminum alloys, such as 7075 and 2014 are stronger than 6061 and 7005, but they are almost impossible to weld.
2. It has a high density, 2.78 g / cm3, and may be slightly stronger depending on the tempering. No precipitation hardening is required, but it can be cooled in air.
3. Has moderate corrosion resistance. Compared with the tempers of T6 and T651, T7351 and T73 have good resistance to stress corrosion cracking.
4. The level of anodizing reaction is good. It can perform both hard oxidation and solid color coating oxidation.
5. High-strength heat treatment, good mechanical properties, good usability, easy processing, good wear resistance, etc.

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