Aluminum 6063-T6

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-T6; AA6063-T6

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/in AA; Typical

Mechanical Properties
Hardness, Brinell7373 AA; Typical; 500 g load; 10 mm ball
Hardness, Knoop9696 Converted from Brinell Hardness Value
Hardness, Vickers8383 Converted from Brinell Hardness Value
Ultimate Tensile Strength241 MPa35000 psi AA; Typical
Tensile Yield Strength214 MPa31000 psi AA; Typical
Elongation at Break12 %12 % 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.
Ultimate Bearing Strength434 MPa62900 psi Edge distance/pin diameter = 2.0
Bearing Yield Strength276 MPa40000 psi Edge distance/pin diameter = 2.0
Poisson's Ratio0.330.33 
Fatigue Strength68.9 MPa10000 psi AA; 500,000,000 cycles completely reversed stress; RR Moore machine/specimen
Machinability50 %50 % 0-100 Scale of Aluminum Alloys
Shear Modulus25.8 GPa3740 ksi 
Shear Strength152 MPa22000 psi AA; Typical

Electrical Properties
Electrical Resistivity3.32e-006 ohm-cm3.32e-006 ohm-cm AA; Typical at 68F

Thermal Properties
CTE, linear 68F23.4 m/m-C13 in/in-F AA; Typical; Average over 68-212F range.
CTE, linear 250C25.6 m/m-C14.2 in/in-F Average over the range 20-300C
Specific Heat Capacity0.9 J/g-C0.215 BTU/lb-F 
Thermal Conductivity200 W/m-K1390 BTU-in/hr-ft-F AA; Typical at 77F
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 50F per hour from 775 to 500F
Solution Temperature521 C970 F 
Aging Temperature177 C350 F hold at temperature for 8 hr

References for this datasheet.

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