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5083-F Aluminum vs. AZ91E-F Magnesium

5083-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 (7, in this case) are not shown.

For each property being compared, the top bar is 5083-F aluminum and the bottom bar is AZ91E-F magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 13
2.5
Fatigue Strength, MPa 93
81
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 170
89
Tensile Strength: Ultimate (UTS), MPa 290
160
Tensile Strength: Yield (Proof), MPa 110
96

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 580
500
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 120
84
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
12
Electrical Conductivity: Equal Weight (Specific), % IACS 96
60

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.9
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1170
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 95
100
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 36
37
Thermal Diffusivity, mm2/s 48
49
Thermal Shock Resistance, points 12
9.0

Alloy Composition

Aluminum (Al), % 92.4 to 95.6
8.1 to 9.3
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 0 to 0.1
0 to 0.015
Iron (Fe), % 0 to 0.4
0 to 0.0050
Magnesium (Mg), % 4.0 to 4.9
88.8 to 91.3
Manganese (Mn), % 0.4 to 1.0
0.17 to 0.35
Nickel (Ni), % 0
0 to 0.0010
Silicon (Si), % 0 to 0.4
0 to 0.2
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0.4 to 1.0
Residuals, % 0
0 to 0.3