6063-T6 Aluminum

6063-T6 aluminum is a type of 6063 aluminum. It is furnished in the T6 temper.

Material Properties

Base Metal Price16 % rel

Calomel Potential-740 mV

Density2.7 g/cm3 (170 lb/ft3)

Elastic (Young's, Tensile) Modulus69 GPa (10 x 106 psi)

Electrical Conductivity53 % IACS

Electrical Resistivity Order of Magnitude-7 10x Ω-m

Elongation at Break10 %

Fatigue Strength (Endurance Limit)70 MPa (10 x 103 psi)

Melting Onset (Solidus)620 °C (1150 °F)

Poisson's Ratio0.33

Shear Modulus26 GPa (3.8 x 106 psi)

Shear Strength150 MPa (22 x 103 psi)

Specific Heat Capacity900 J/kg-K

Strength to Weight Ratio93 kN-m/kg

Tensile Strength: Ultimate (UTS)250 MPa (36 x 103 psi)

Tensile Strength: Yield (Proof)210 MPa (30 x 103 psi)

Thermal Conductivity200 W/m-K

Thermal Diffusivity82

Thermal Expansion23 µm/m-K

Alloy Composition

Aluminum (Al)97.5 to 99.4 %

Magnesium (Mg)0.45 to 0.9 %

Silicon (Si)0.2 to 0.6 %

Iron (Fe)0 to 0.35 %

Residuals0 to 0.15 %

Zinc (Zn)0 to 0.1 %

Titanium (Ti)0 to 0.1 %

Manganese (Mn)0 to 0.1 %

Chromium (Cr)0 to 0.1 %

Copper (Cu)0 to 0.1 %

Further Reading

Aluminum Standards and Data, Aluminum Association Inc., 2013

ASTM B210: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes

ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B483: Standard Specification for Aluminum and Aluminum-Alloy Drawn Tube and Pipe for General Purpose Applications

EN 754-2: Aluminium and aluminium alloys. Cold drawn rod/bar and tube. Mechanical properties

EN 755-2: Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Mechanical properties

ISO 6361: Wrought Aluminium and Aluminium Alloy Sheets, Strips and Plates