Aluminium / Aluminum 6066 Alloy (UNS A96066)

Sep 13 2012

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal properties
Other Designations
Applications

Introduction

Aluminium / Aluminum alloys have good corrosion resistance. They tend to lose some of their strength when subjected to high temperatures. However, their strength can be increased when exposed to subzero temperatures.

The following datasheet gives an overview of Aluminium / Aluminum 6066 alloy.

Chemical Composition

The following table shows the chemical composition of Aluminium / Aluminum 6066 alloy.

Element Content (%)
Aluminium / Aluminum, Al 95.7
Silicon, Si 1.40
Magnesium, Mg 1.10
Copper, Cu 1
Manganese, Mn 0.8

Physical Properties

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

Mechanical Properties

The mechanical properties of  Aluminium / Aluminum 6066 alloy are outlined in the following table.

Properties Metric Imperial
Tensile strength 150 MPa 21755 psi
Yield strength 83 MPa 12038 psi
Shear strength 97 MPa 14069 psi
Fatigue strength 110 MPa 15954 psi
Elastic modulus 70-80 GPa 10153-11603 ksi
Poisson's ratio 0.33 0.33
Hardness 43 43

Thermal properties

The thermal properties of Aluminium / Aluminum 6066 alloy are given in the following table.

Properties Conditions
T (ºC) Treatment
Thermal conductivity 147 W/mK 25 -

Other Designations

Other designations equivalent to Aluminium / Aluminum 6066 alloy include ASTM B221.

Applications

Aluminium / Aluminum 6066 alloy is used in forgings and extrusion for welded structures.

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