Aluminum 6063-T831


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: UNS A96063; ISO AlMg0.5Si; Aluminium 6063-T831; AA6063-T831

Component   Wt. %
AlMax 97.5 
CrMax 0.1 
CuMax 0.1 
FeMax 0.35 
Component   Wt. %
Mg0.45 - 0.9 
MnMax 0.1 
Other, eachMax 0.05 
Other, totalMax 0.15 
Component   Wt. %
Si0.2 - 0.6 
TiMax 0.1 
ZnMax 0.1 

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

Physical PropertiesMetricEnglishComments
Density2.7 g/cc0.0975 lb/in³ AA; Typical

Mechanical Properties
Hardness, Brinell7070 AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop9393 Converted from Brinell Hardness Value
Hardness, Vickers8080 Converted from Brinell Hardness Value
Ultimate Tensile Strength207 MPa30000 psi AA; Typical
Tensile Yield Strength186 MPa27000 psi AA; Typical
Elongation at Break10 %10 % AA; Typical; 1/16 in. (1.6 mm) Thickness
Modulus of Elasticity68.9 GPa10000 ksi AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poisson's Ratio0.330.33 
Shear Modulus25.8 GPa3740 ksi 
Shear Strength124 MPa18000 psi AA; Typical

Electrical Properties
Electrical Resistivity3.3e-006 ohm-cm3.3e-006 ohm-cm 

Thermal Properties
CTE, linear 68°F23.4 µm/m-°C13 µin/in-°F AA; Typical; Average over 68-212°F range.
CTE, linear 250°C25.6 µm/m-°C14.2 µin/in-°F Average over the range 20-300ºC
Specific Heat Capacity0.9 J/g-°C0.215 BTU/lb-°F 
Thermal Conductivity200 W/m-K1390 BTU-in/hr-ft²-°F Estimated from other heat treatments.
Melting Point616 - 654 °C1140 - 1210 °F AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater
Solidus616 °C1140 °F AA; Typical
Liquidus654 °C1210 °F AA; Typical

Processing Properties
Annealing Temperature413 °C775 °F hold at temperature for 2 to 3 hr; cool at 50°F per hour from 775 to 500°F
Solution Temperature521 °C970 °F 
Aging Temperature177 °C350 °F hold at temperature for 8 hr

References for this datasheet.


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