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6463-T4 Aluminum

6463-T4 aluminum is 6463 aluminum in the T4 temper. To achieve this temper, the metal is solution heat-treated and naturally aged. It has the second highest ductility compared to the other variants of 6463 aluminum.

The graph bars on the material properties cards below compare 6463-T4 aluminum to: 6000-series alloys (top), all aluminum alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

68 GPa 9.9 x 106 psi

Elongation at Break

16 %

Fatigue Strength

45 MPa 6.5 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.7 x 106 psi

Shear Strength

86 MPa 12 x 103 psi

Tensile Strength: Ultimate (UTS)

140 MPa 20 x 103 psi

Tensile Strength: Yield (Proof)

86 MPa 12 x 103 psi

Thermal Properties

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

160 °C 320 °F

Melting Completion (Liquidus)

660 °C 1210 °F

Melting Onset (Solidus)

620 °C 1140 °F

Specific Heat Capacity

900 J/kg-K 0.22 BTU/lb-°F

Thermal Conductivity

200 W/m-K 120 BTU/h-ft-°F

Thermal Expansion

23 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

54 % IACS

Electrical Conductivity: Equal Weight (Specific)

180 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

2.7 g/cm3 170 lb/ft3

Embodied Carbon

8.3 kg CO2/kg material

Embodied Energy

150 MJ/kg 66 x 103 BTU/lb

Embodied Water

1190 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

19 MJ/m3

Resilience: Unit (Modulus of Resilience)

54 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

14 points

Strength to Weight: Bending

22 points

Thermal Diffusivity

84 mm2/s

Thermal Shock Resistance

6.3 points

Alloy Composition

Aluminum (Al)Al 97.9 to 99.4
Magnesium (Mg)Mg 0.45 to 0.9
Silicon (Si)Si 0.2 to 0.6
Copper (Cu)Cu 0 to 0.2
Iron (Fe)Fe 0 to 0.15
Manganese (Mn)Mn 0 to 0.050
Zinc (Zn)Zn 0 to 0.050
Residualsres. 0 to 0.15

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

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

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

Aluminum Standards and Data, Aluminum Association Inc., 2013

ASM Specialty Handbook: Aluminum and Aluminum Alloys, J. R. Davis (editor), 1993

EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products