Aluminum 7129 Alloy (UNS A97129)

Topics Covered

Chemical Composition
Physical Properties


Aluminium / aluminum is a chemical element in the periodic table that has the symbol Al and atomic number 13. It is found primarily as the ore bauxite.

Aluminium / aluminum and its alloys are used in a vast number of commercial sectors, which require light weight, durability, and high strength to make millions of structural components. Aluminium / aluminum 7129 alloy is a heat treatable wrought alloy.

The following datasheet will provide more details about aluminium / aluminum 7129 alloy.

Chemical Composition

The following table shows the chemical composition of aluminium / aluminum 7129 alloy.

Element Content (%)
Aluminum, Al 90.9 - 94
Zinc, Zn 4.2 - 5.2
Magnesium, Mg 1.3 - 2
Copper, Cu 0.50 - 0.90
Iron, Fe ≤ 0.30
Titanium, Ti ≤ 0.050
Vanadium, V ≤ 0.050
Gallium, Ga ≤ 0.030
Silicon, Si ≤ 0.15
Chromium, Cr ≤ 0.10
Manganese, Mn ≤ 0.10
Remainder (each) ≤ 0.050
Remainder (total) ≤ 0.15

Physical Properties

The physical properties of aluminium / aluminum 7129 alloy are outlined in the following table.

Properties Metric Imperial
Density 2.78 g/cm³ 0.100 lb/in³


Aluminium / aluminum 7129 alloy is chiefly used in the aircraft manufacturing sector.

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