Aluminum 6061-T913

Aluminum 6061-T913

Subcategory: 6000 Series Aluminum Alloy; Aluminum Alloy; Metal; Nonferrous Metal

Close Analogs:

Composition Notes:
Aluminum content reported is calculated as remainder.
Composition information provided by the Aluminum Association and is not for design.

Key Words: al6061, UNS A96061; ISO AlMg1SiCu; Aluminium 6061-T913, AD-33 (Russia); AA6061-T913

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

Material Notes: 
Information provided by Alcoa 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.

Uses: 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.

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

Physical Properties

Physical Properties Metric English Comments
Density 2.7 g/cc 0.0975 lb/in³  AA; Typical

Mechanical Properties

Hardness, Brinell 123 123  500 kg load with 10 mm ball. Calculated value.
Hardness, Knoop 153 153  Converted from Brinell Hardness Value
Hardness, Rockwell A 47.7 47.7  Converted from Brinell Hardness Value
Hardness, Rockwell B 76 76  Converted from Brinell Hardness Value
Hardness, Vickers 139 139  Converted from Brinell Hardness Value
Tensile Strength, Ultimate 460 MPa 66700 psi
Tensile Strength, Yield 455 MPa 66000 psi
Elongation at Break 10 % 10 %  In 5 cm; Sample 1.6 mm thick
Modulus of Elasticity 69 GPa 10000 ksi  Average of Tension and Compression. In Aluminum alloys, the compressive modulus is typically 2% greater than the tensile modulus
Poisson’s Ratio 0.33 0.33  Estimated from trends in similar Al alloys.
Shear Modulus 26 GPa 3770 ksi  Estimated from similar Al alloys.
Shear Strength 240 MPa 34800 psi

Electrical Properties

Electrical Resistivity 4e-006 ohm-cm 4e-006 ohm-cm

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 170 W/m-K 1180 BTU-in/hr-ft²-°F  Estimated from other heat treatments.
Melting Point 582 – 652 °C 1080 – 1205 °F  AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater; Eutectic melting can be completely eliminated by homogenization.
Solidus 582 °C 1080 °F  AA; Typical
Liquidus 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