Aluminum 6205 Alloy (UNS A96205)

Topics Covered

Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties


Aluminum alloys are alloys formed with aluminum (Al) as the chief metal with the alloying elements being manganese, magnesium, copper, silicon and zinc.

Aluminum 6205 alloy is a wrought alloy with good corrosion resistance. The following datasheet will provide more details about aluminum 6205 alloy.

Chemical Composition

The following table shows the chemical composition of aluminum 6205 alloy.

Element Content (%)
Aluminum, Al 98.4
Silicon, Si 0.80
Magnesium, Mg 0.50
Zinc, Zn 0.1
Manganese, Mn 0.1
Chromium, Cr 0.10

Physical Properties

The physical properties of aluminum 6205 alloy are outlined in the following table.

Properties Metric Imperial
Density 2.71 g/cm³ 0.0979 lb/in³
Melting point 613 - 645 °C 1140 - 1190 °F

Mechanical Properties

The mechanical properties of aluminium / aluminum 6205 alloy are tabulated below.

Properties Metric Imperial
Tensile strength 260 MPa 37700 psi
Yield strength 140 MPa 20300 psi
Elongation at break 19% 19%
Elastic modulus 69 GPa 10000 ksi
Shear modulus 26 GPa 3770 ksi
Poisson’s ratio 0.33 0.33
Hardness, Brinell 65 65
Hardness, Knoop (converted from Brinell hardness value) 88 88
Hardness, Vickers (converted from Brinell hardness value) 75 75

Thermal Properties

The thermal properties of aluminium / aluminum 6205 alloy are tabulated below.

Properties Conditions
T (°C) Treatment
Thermal conductivity 172 W/mK 25 T1


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