With what material is aluminium alloy shell good?

Hello, we should first make clear that the shell you use is used in a certain aspect. Generally speaking, the aluminum shell is mostly made of 6063, and a few of 6061.

6063 aluminum alloy shell, surface treatment effect is better, and easy to cut, machinability is also the industry's best choice. The 6061 has the upper hand in hardness, but the finish is less effective.

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