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333.0-T6 Cast Aluminum

333.0-T6 aluminum is 333.0 aluminum in the T6 temper. To achieve this temper, the metal is solution heat-treated and artificially aged until it meets standard mechanical property requirements. It has the highest strength compared to the other variants of 333.0 aluminum.

The graph bars on the material properties cards below compare 333.0-T6 aluminum to: ANSI/AA cast aluminums (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

Brinell Hardness

110

Elastic (Young's, Tensile) Modulus

73 GPa 11 x 106 psi

Elongation at Break

1.5 %

Fatigue Strength

100 MPa 15 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

28 GPa 4.0 x 106 psi

Shear Strength

230 MPa 33 x 103 psi

Tensile Strength: Ultimate (UTS)

280 MPa 41 x 103 psi

Tensile Strength: Yield (Proof)

210 MPa 30 x 103 psi

Thermal Properties

Latent Heat of Fusion

520 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

590 °C 1090 °F

Melting Onset (Solidus)

530 °C 990 °F

Specific Heat Capacity

880 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

120 W/m-K 68 BTU/h-ft-°F

Thermal Expansion

21 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

29 % IACS

Electrical Conductivity: Equal Weight (Specific)

92 % IACS

Otherwise Unclassified Properties

Base Metal Price

10 % relative

Density

2.8 g/cm3 180 lb/ft3

Embodied Carbon

7.6 kg CO2/kg material

Embodied Energy

140 MJ/kg 61 x 103 BTU/lb

Embodied Water

1040 L/kg 120 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

3.8 MJ/m3

Resilience: Unit (Modulus of Resilience)

290 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

49 points

Strength to Weight: Axial

27 points

Strength to Weight: Bending

34 points

Thermal Diffusivity

47 mm2/s

Thermal Shock Resistance

13 points

Alloy Composition

Aluminum (Al)Al 81.8 to 89
Silicon (Si)Si 8.0 to 10
Copper (Cu)Cu 3.0 to 4.0
Iron (Fe)Fe 0 to 1.0
Zinc (Zn)Zn 0 to 1.0
Magnesium (Mg)Mg 0.050 to 0.5
Manganese (Mn)Mn 0 to 0.5
Nickel (Ni)Ni 0 to 0.5
Titanium (Ti)Ti 0 to 0.25
Residualsres. 0 to 0.5

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

Followup Questions

Further Reading

ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings

Iron in Aluminium Alloys: Impurity and Alloying Element, N. A. Belov et al., 2002

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