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5454-F Aluminum vs. AZ91E-F Magnesium

5454-F aluminum belongs to the aluminum alloys classification, while AZ91E-F magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is 5454-F aluminum and the bottom bar is AZ91E-F magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 18
2.5
Fatigue Strength, MPa 83
81
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 140
89
Tensile Strength: Ultimate (UTS), MPa 230
160
Tensile Strength: Yield (Proof), MPa 97
96

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 600
500
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 130
84
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
12
Electrical Conductivity: Equal Weight (Specific), % IACS 110
60

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.6
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 68
100
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 30
37
Thermal Diffusivity, mm2/s 55
49
Thermal Shock Resistance, points 10
9.0

Alloy Composition

Aluminum (Al), % 94.5 to 97.1
8.1 to 9.3
Chromium (Cr), % 0.050 to 0.2
0
Copper (Cu), % 0 to 0.1
0 to 0.015
Iron (Fe), % 0 to 0.4
0 to 0.0050
Magnesium (Mg), % 2.4 to 3.0
88.8 to 91.3
Manganese (Mn), % 0.5 to 1.0
0.17 to 0.35
Nickel (Ni), % 0
0 to 0.0010
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.25
0.4 to 1.0
Residuals, % 0
0 to 0.3