Thermal conductivity against densityHigher and further left: spreads more heat for its weightThermal expansion against thermal conductivityLower and further right: warps less when heated
Sources2 documents: Kaiser Aluminum, U.S. Department of Defense
Values for
Wrought. 6061-T6/T651, Kaiser Aluminum typical properties (sheet, coil & plate datasheet); Poisson from MIL-HDBK-5J
1
Alloy 6061 Sheet, Coil & Plate Technical DataKaiser Aluminumarchived copyYield strength: typical, 0.2% offset, .500 in dia specimenUltimate tensile strength: typicalElongation at break: typical, in 4D, 0.500 in dia specimenYoung's modulus (stiffness): typicalDensity: nominalThermal conductivity: typical, 20 °CThermal expansion: typical, mean 20-100 °CSpecific heat: typical, at 100 °CMelting point: solidus-liquidus
2
MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003)U.S. Department of DefensePoisson's ratio: typical (handbook physical constant)
Aluminum has a thermal conductivity of 167 W/m·K (96.5 BTU/hr·ft·°F). Basis: typical, 20 °C. Source: Kaiser Aluminum, Alloy 6061 Sheet, Coil & Plate Technical Dataarchived copy.
Specific heat of Aluminum
The specific heat capacity of Aluminum is 896 J/kg·K (0.214 BTU/lb·°F). Basis: typical, at 100 °C. Source: Kaiser Aluminum, Alloy 6061 Sheet, Coil & Plate Technical Dataarchived copy.
Coefficient of thermal expansion of Aluminum
Aluminum expands 23.6 µm/m·K (13.1 µin/in·°F): a 100 mm part grows 118 µm over a 50 °C rise. Basis: typical, mean 20-100 °C. Source: Kaiser Aluminum, Alloy 6061 Sheet, Coil & Plate Technical Dataarchived copy.
Thermal diffusivity of Aluminum
Computed from the conductivity, density and specific heat (k / ρc): 69 mm²/s, how fast a temperature change spreads through it.
Melting point of Aluminum
Aluminum melts at 582–652 °C (1,080–1,206 °F). Basis: solidus-liquidus. Source: Kaiser Aluminum, Alloy 6061 Sheet, Coil & Plate Technical Dataarchived copy.