Aluminum 7008 Alloy (UNS A97008)

May 8 2013

Topics Covered

Introduction
Chemical Composition
Physical Properties
Applications

Introduction

Aluminium / aluminum is a silverish white metal. The versatility of this metal makes it the most widely used metal after steel. Worldwide the demand for aluminium / aluminum has grown to around 29 million t/yr (2011 estimate).

Aluminium / aluminum 7008 alloy is a wrought alloy type with zinc as its key alloying element.

The following datasheet will provide more details about aluminium / aluminum 7008 alloy.

Chemical Composition

The following table shows the chemical composition of aluminium / aluminum 7008 alloy.

Element Content (%)
Aluminum, Al 92.4 - 94.7
Zinc, Zn 4.5 - 5.5
Magnesium, Mg 0.70 - 1.4
Chromium, Cr 0.12 - 0.25
Silicon, Si ≤ 0.10
Iron, Fe ≤ 0.10
Copper, Cu ≤ 0.050
Titanium, Ti ≤ 0.050
Manganese, Mn ≤ 0.050
Remainder (each) ≤ 0.050
Remainder (total) ≤ 0.10

Physical Properties

The physical properties of aluminium / aluminum 7008 alloy are outlined in the following table.

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

Applications

Aluminium / aluminum 7008 alloy is chiefly used in the aviation industry.

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