Aluminum 6063-O

Aluminum 6063-O

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-O; AA6063-O

Component    Wt. %
Al Max 97.5
Cr Max 0.1
Cu Max 0.1
Fe Max 0.35
Component    Wt. %
Mg 0.45 – 0.9
Mn Max 0.1
Other, each Max 0.05
Other, total Max 0.15
Component    Wt. %
Si 0.2 – 0.6
Ti Max 0.1
Zn Max 0.1

Material Notes: 
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 25 25  AA; Typical; 500 g load; 10 mm ball
Ultimate Tensile Strength 89.6 MPa 13000 psi  AA; Typical
Tensile Yield Strength 48.3 MPa 7000 psi  AA; Typical
Modulus of Elasticity 68.9 GPa 10000 ksi  AA; Typical; Average of tension and compression. Compression modulus is about 2% greater than tensile modulus.
Poisson’s Ratio 0.33 0.33
Fatigue Strength 55.2 MPa 8000 psi  AA; 500,000,000 cycles completely reversed stress; RR Moore machine/specimen
Machinability 30 % 30 %  0-100 Scale of Aluminum Alloys
Shear Modulus 25.8 GPa 3740 ksi
Shear Strength 68.9 MPa 10000 psi  AA; Typical

Electrical Properties

Electrical Resistivity 2.99e-006 ohm-cm 2.99e-006 ohm-cm  AA; Typical at 68°F

Thermal Properties

CTE, linear 68°F 23.4 µm/m-°C 13 µin/in-°F  AA; Typical; Average over 68-212°F range.
CTE, linear 250°C 25.6 µm/m-°C 14.2 µin/in-°F  Average over the range 20-300ºC
Specific Heat Capacity 0.9 J/g-°C 0.215 BTU/lb-°F
Thermal Conductivity 218 W/m-K 1510 BTU-in/hr-ft²-°F  AA; Typical at 77°F
Melting Point 616 – 654 °C 1140 – 1210 °F  AA; Typical range based on typical composition for wrought products 1/4 inch thickness or greater
Solidus 616 °C 1140 °F  AA; Typical
Liquidus 654 °C 1210 °F  AA; Typical

Processing Properties

Annealing Temperature 413 °C 775 °F  hold at temperature for 2 to 3 hr; cool at 50°F per hour from 775 to 500°F
Solution Temperature 521 °C 970 °F
Aging Temperature 177 °C 350 °F  hold at temperature for 8 hr