324.0-T5 Cast Aluminum
324.0-T5 aluminum is 324.0 aluminum in the T5 temper. To achieve this temper, the metal is artificially aged until it meets standard mechanical property requirements. The graph bars on the material properties cards below compare 324.0-T5 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
Elastic (Young's, Tensile) Modulus
71 GPa 10 x 106 psi
Elongation at Break
3.0 %
Fatigue Strength
77 MPa 11 x 103 psi
Poisson's Ratio
0.33
Shear Modulus
27 GPa 3.9 x 106 psi
Tensile Strength: Ultimate (UTS)
250 MPa 36 x 103 psi
Tensile Strength: Yield (Proof)
180 MPa 26 x 103 psi
Thermal Properties
Latent Heat of Fusion
500 J/g
Maximum Temperature: Mechanical
170 °C 340 °F
Melting Completion (Liquidus)
610 °C 1120 °F
Melting Onset (Solidus)
550 °C 1010 °F
Specific Heat Capacity
900 J/kg-K 0.21 BTU/lb-°F
Thermal Conductivity
150 W/m-K 85 BTU/h-ft-°F
Thermal Expansion
21 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
34 % IACS
Electrical Conductivity: Equal Weight (Specific)
120 % IACS
Otherwise Unclassified Properties
Base Metal Price
9.5 % relative
Density
2.7 g/cm3 170 lb/ft3
Embodied Carbon
7.9 kg CO2/kg material
Embodied Energy
150 MJ/kg 63 x 103 BTU/lb
Embodied Water
1090 L/kg 130 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
6.8 MJ/m3
Resilience: Unit (Modulus of Resilience)
220 kJ/m3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
52 points
Strength to Weight: Axial
26 points
Strength to Weight: Bending
33 points
Thermal Diffusivity
62 mm2/s
Thermal Shock Resistance
12 points
Alloy Composition
| Al | 87.3 to 92.2 | |
| Si | 7.0 to 8.0 | |
| Fe | 0 to 1.2 | |
| Mg | 0.4 to 0.7 | |
| Zn | 0 to 1.0 | |
| Cu | 0.4 to 0.6 | |
| Mn | 0 to 0.5 | |
| Ni | 0 to 0.3 | |
| Ti | 0 to 0.2 | |
| res. | 0 to 0.2 |
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
Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993