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5457 Aluminum vs. AZ92A Magnesium

5457 aluminum belongs to the aluminum alloys classification, while AZ92A magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 5457 aluminum and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
47
Elongation at Break, % 6.0 to 22
2.1 to 6.8
Fatigue Strength, MPa 55 to 98
76 to 90
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 85 to 130
97 to 160
Tensile Strength: Ultimate (UTS), MPa 130 to 210
170 to 270
Tensile Strength: Yield (Proof), MPa 50 to 190
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 660
590
Melting Onset (Solidus), °C 630
440
Specific Heat Capacity, J/kg-K 900
980
Thermal Conductivity, W/m-K 180
44 to 58
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 150
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.8
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1190
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 250
73 to 220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
67
Strength to Weight: Axial, points 13 to 21
26 to 41
Strength to Weight: Bending, points 21 to 28
38 to 51
Thermal Diffusivity, mm2/s 72
25 to 33
Thermal Shock Resistance, points 5.7 to 9.0
10 to 16

Alloy Composition

Aluminum (Al), % 97.8 to 99.05
8.3 to 9.7
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0.8 to 1.2
86.7 to 90
Manganese (Mn), % 0.15 to 0.45
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.080
0 to 0.3
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
1.6 to 2.4
Residuals, % 0
0 to 0.3