Aluminium/Aluminum 7072 Alloy (UNS A97072)

Dec 13 2012

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations


Introduction

Aluminium/aluminum alloys have high corrosion resistance. They lose their strength when exposed to very high temperatures. However, their strength increases at subzero temperatures, thus making them a useful low-temperature alloy.

The following datasheet gives more details about the aluminium/aluminum 7072 alloy.

Chemical Composition

The following table shows the chemical composition of the aluminium/aluminum 7072 alloy.

Element Content (%)
Aluminium/aluminum, Al 99
Zinc, Zn 1

Physical Properties

The physical properties of the aluminium/aluminum 7072 alloy are tabulated below.

Properties Metric Imperial
Density 2.6-2.8 g/cm3 0.0939- 0.101 lb/in3

Mechanical Properties

The mechanical properties of the aluminium/aluminum 7072 alloy are outlined in the following table.

Properties Metric Imperial
Shear strength 62 MPa 8993 psi
Elastic modulus 70-80 GPa 10153-11603 ksi
Poisson's ratio 0.33 0.33
Hardness 28 28

Thermal Properties

The thermal properties of the aluminium/aluminum 7072 alloy are given in the following table.

Properties Conditions
T (ºC) Treatment
Thermal conductivity 227 W/mK 25 -

Other Designations

Other designations that are equivalent to the aluminium/aluminum 7072 alloy include:

  • ASTM B209
  • ASTM B221
  • ASTM B234
  • ASTM B241
  • ASTM B313
  • ASTM B345
  • ASTM B404
  • ASTM B547

 

Comments

  1. Gopinath Kumar Gopinath Kumar India says:
    April 1, 2016 at 3:36 AM

    Whats the market name or local name for the alloy AA7072??

    Reply

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