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6360-T66 Aluminum

6360-T66 aluminum is 6360 aluminum in the T66 temper. To achieve this temper, the metal is solution heat-treated and artificially aged, with additional process control to yield more favourable properties. It has the highest strength compared to the other variants of 6360 aluminum.

The graph bars on the material properties cards below compare 6360-T66 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

9.1 %

Fatigue Strength

67 MPa 9.8 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

26 GPa 3.7 x 106 psi

Shear Strength

130 MPa 19 x 103 psi

Tensile Strength: Ultimate (UTS)

220 MPa 32 x 103 psi

Tensile Strength: Yield (Proof)

170 MPa 24 x 103 psi

Thermal Properties

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

160 °C 320 °F

Melting Completion (Liquidus)

640 °C 1190 °F

Melting Onset (Solidus)

630 °C 1170 °F

Specific Heat Capacity

900 J/kg-K 0.22 BTU/lb-°F

Thermal Conductivity

210 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)

210 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

50 points

Strength to Weight: Axial

23 points

Strength to Weight: Bending

30 points

Thermal Diffusivity

86 mm2/s

Thermal Shock Resistance

9.9 points

Alloy Composition

Aluminum (Al)Al 97.8 to 99.3
Silicon (Si)Si 0.35 to 0.8
Magnesium (Mg)Mg 0.25 to 0.45
Iron (Fe)Fe 0.1 to 0.3
Manganese (Mn)Mn 0.020 to 0.15
Copper (Cu)Cu 0 to 0.15
Titanium (Ti)Ti 0 to 0.1
Zinc (Zn)Zn 0 to 0.1
Chromium (Cr)Cr 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

Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984

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

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

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015