Grade classification of aluminum plate

In the aluminum alloy brand is representative, the following is according to the 7075T651 aluminum plate brand as an example. The first 7 indicates aluminum and aluminum alloy group - aluminum-zinc-magnesium alloy. Aluminium and aluminium alloy groups are divided into nine broad categories. Among them, aluminum and aluminum alloy of 1, 3, 5, 6 and 7 series are mainly used, and other series are less likely to be used in actual use.

Class I: Series 1: industrial pure aluminum

Second class: 2 series: aluminum copper alloy

Third class: 3 series: aluminum manganese alloy

Fourth class: 4 series: aluminum silicon alloy

Fifth class: 5 series: aluminum magnesium alloy

Sixth class: 6 series: aluminum magnesium silicon alloy

Seventh class: 7 series: aluminum, zinc, magnesium and copper alloys

Class 8: Series 8: Other alloys

Class 9: Series 9: Spare alloys