Aluminum 7149 Alloy (UNS A97129)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Applications

Introduction

Aluminium / aluminum is known for being flexible, light weight, durable, and an excellent thermal and heat conductor. It is also resistant to corrosion and free from rust.

By performing proper alloying and treatment to this metal, a wide variety of aluminium alloys can be produced with varying strengths. Aluminium / aluminum 7149 alloy is a heat treatable wrought alloy.

The following datasheet will provide more details about aluminium / aluminum 7149 alloy.

Chemical Composition

The following table shows the chemical composition of aluminium / aluminum 7149 alloy.

Element Content (%)
Aluminum, Al 85.9 - 89.5
Zinc, Zn 7.2 - 8.2
Magnesium, Mg 2 - 2.9
Copper, Cu 1.2 - 1.9
Iron, Fe ≤ 0.20
Manganese, Mn ≤ 0.20
Chromium, Cr 0.10 - 0.22
Silicon, Si ≤ 0.15
Titanium, Ti ≤ 0.10
Other (each) ≤ 0.050
Other (total) ≤ 0.15

Physical Properties

The physical properties of aluminium / aluminum 7149 alloy are outlined in the following table.

Properties Metric Imperial
Density 2.84 g/cm³ 0.103 lb/in³

Applications

Aluminium / aluminum 7149 alloy is chiefly used in the aerospace sector.

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