Aluminum Alloy – 6082  

Aluminum Alloy 6082 finds wide applications in Aircraft fittings, camera lens mounts, couplings, marines fittings and hardware, electrical fittings and connectors, decorative or misc. hardware, hinge pins, magneto parts, brake pistons, hydraulic pistons, appliance fittings, valves and valve parts; bike frames.



6000 Series Aluminum Alloy; Aluminum Alloy; Metal; Nonferrous Metal

Composition Notes:

Aluminum content reported is calculated as remainder.

Composition information provided by the Aluminum Association and is not for design.

Component Wt. %
Al 95.8 – 98.6
Cr 0.04- 0.35
Cu 0.15 – 0.4
Fe Max 0.7
Mg 0.8-1.2
Mn Max 0.15
Other, each Max 0.05
Other, total Max 0.15
Si 0.4 -0.8
Ti Max 0.15
Zn Max 0.25

Material Notes:

Information provided by Alcoa, Starmet and the references. General 6061 characteristics and uses: Excellent joining characteristics, good acceptance of applied coatings. Combines relatively high strength, good workability, and high resistance to corrosion; widely available. The T8 and T9 tempers offer better chipping characteristics over the T6 temper.

Data points with the AA note have been provided by the Aluminum Association, Inc. and are NOT FOR DESIGN.

Physical Properties:

Density Metric English Comments
Mechanical Properties
Hardness, Brinell 95 95 AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop 120 95 Converted from Brinell Hardness Value
Hardness, Rock well A 40 40 Converted from Brinell Hardness Value
Hardness, Rock well B 60 60 Converted from Brinell Hardness Value
Hardness, Vickers 107 107 Converted from Brinell Hardness Value
Ultimate Tensile Strength 310 MPa 45000 psi A: Typical
Tensile Yield Strength 276 MPa 40000 psi AA: Typical
Elongation at Break 12% 12% AA; Typical; 1/16 in. (1.6 mm) Thickness
Elongation at Break 17% 17% AA; Typical; 1/2 in. (12.7 mm) Diameter
Modulus of Elasticity      68.9 GPa 10000 ksi AA; Typical; Average of tension and compression.                     
Notched Tensile Strength 324 MPa 47000 psi 2.5 cm width x 0.16 cm thick side-notched specimen, Kt = 17
Ultimate Bearing Strength 607 MPa 88000 psi Edge distance/pin diameter = 2.0
Bearing Yield Strength 386 MPa 56000 psi Edge distance/pin diameter = 2.0
Poisson's Ratio 0.33                        0.33        Estimated from trends in similar Al alloys.
Fatigue Strength stress                 96.5 MPa 14000 psi              AA; 500,000,000 cycles completely reversed RR Moore machine/specimen
Fracture Toughness        29 MPa-m½    26.4 ksi-in½ KIC; TL orientation.
Machinability 50 %       50 %       0-100 Scale of Aluminum Alloys
Shear Modulus 26 GPa  3770 ksi Estimated from similar Al alloys.
Shear Strength  207 MPa 30000 psi AA; Typical

Electrical Properties:

Electrical Resistivity         3.99e-006 ohm-cm 3.99e-006 ohm-cm AA; Typical at 68°F

Thermal Properties:

CTE, linear 68°F 23.6 µm/m-°C    13.1 µin/in-°F AA; Typical; Average over 68-212°F range
CTE, linear 250°C               25.2 µm/m-°C    14 µin/in-°F Estimated from trends in similar Al alloys 20-300°C
Specific Heat Capacity 0.896 J/g-°C 0.214 BTU/lb-°F  
Thermal Conductivity     167 W/m-K 1160 BTU-in/hr-ft²-°F AA; Typical at 77°F
Melting Point     composition for wrought Eutectic melting can        582 - 652 °C         1080 - 1205 °F AA; Typical range based on typical products 1/4 inch thickness or greater be completely eliminated by homogenization
Solids 582 °C    1080 °F AA; Typical
liquids 652 °C    1205 °F AA; Typical

Processing Properties:

Solution Temperature  529 °C   985 °F  
Aging Temperature        160 °C   320 °F   Rolled or drawn products; hold at temperature for 18 hr

Aging Temperature        177 °C   350 °F   Extrusions or forgings; hold at temperature for 8 hr

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