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324.0-F Aluminum vs. AZ91E-F Magnesium

324.0-F aluminum belongs to the aluminum alloys classification, while AZ91E-F magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 324.0-F aluminum and the bottom bar is AZ91E-F magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
46
Elongation at Break, % 4.0
2.5
Fatigue Strength, MPa 79
81
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Tensile Strength: Ultimate (UTS), MPa 210
160
Tensile Strength: Yield (Proof), MPa 110
96

Thermal Properties

Latent Heat of Fusion, J/g 500
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 610
600
Melting Onset (Solidus), °C 550
500
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 150
84
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
12
Electrical Conductivity: Equal Weight (Specific), % IACS 120
60

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 7.9
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1090
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.0
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 85
100
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
69
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 29
37
Thermal Diffusivity, mm2/s 62
49
Thermal Shock Resistance, points 9.7
9.0

Alloy Composition

Aluminum (Al), % 87.3 to 92.2
8.1 to 9.3
Copper (Cu), % 0.4 to 0.6
0 to 0.015
Iron (Fe), % 0 to 1.2
0 to 0.0050
Magnesium (Mg), % 0.4 to 0.7
88.8 to 91.3
Manganese (Mn), % 0 to 0.5
0.17 to 0.35
Nickel (Ni), % 0 to 0.3
0 to 0.0010
Silicon (Si), % 7.0 to 8.0
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0.4 to 1.0
Residuals, % 0
0 to 0.3