Aluminum 6111 Alloy (UNS A96111)

Aluminum alloys are alloys in which aluminum is the chief metal with the other elements being silicon, magnesium, manganese, copper, and zinc.

Aluminum 6111 alloy is a wrought alloy that is a heat treatable. It possesses high strength and excellent stretch-forming characteristics. Almost 85% of aluminum is used for wrought products.

The following datasheet will provide more details about aluminum 6111 alloy.

Chemical Composition

The following table shows the chemical composition of aluminum 6111 alloy.

Element Content (%)
Silicon, Si 0.7 - 1.1
Magnesium, Mg 0.5 - 1
Iron, Fe 0.4 max
Manganese, Mn 0.15 - 0.45
Zinc, Zn 0.15 max
Chromium, Cr 0.1 max
Titanium, Ti 0.1 max
Other (each) 0.05 max
Other (total) 0.15 max
Aluminum, Al Remainder

Physical Properties

The physical properties of aluminum 6111 alloy are outlined in the following table.

Properties Metric Imperial
Density 2.71 g/cm³ 0.0979 lb/in³
Melting point (T4) 585-650°C 1085-1202°F

Mechanical Properties

The mechanical properties of aluminum 6111-T4 alloy are tabulated below.

Properties Metric Imperial
Tensile strength 280 MPa 40610 psi
Yield strength 150 MPa 21755 psi
Elongation at break 26% 26%
Shear modulus 26 GPa 3770 ksi
Poisson’s ratio 0.33 0.33

Thermal Properties

The thermal properties of aluminum 6111-T4 alloy are tabulated below.

Properties Metric Imperial
Thermal conductivity 154 W/mK 1068 BTU in/hr.ft².°F


Aluminum 6111 alloy is chiefly used in the automotive sector for components such as exposed body panels so as to reduce the overall weight of the vehicle.

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