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5457 Aluminum vs. ZC63A Magnesium

5457 aluminum belongs to the aluminum alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5457 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 55
60
Elastic (Young's, Tensile) Modulus, GPa 68
48
Elongation at Break, % 6.0 to 22
3.3
Fatigue Strength, MPa 55 to 98
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Shear Strength, MPa 85 to 130
130
Tensile Strength: Ultimate (UTS), MPa 130 to 210
220
Tensile Strength: Yield (Proof), MPa 50 to 190
130

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 180
98
Melting Completion (Liquidus), °C 660
550
Melting Onset (Solidus), °C 630
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46
32
Electrical Conductivity: Equal Weight (Specific), % IACS 150
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 8.4
22
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1190
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 250
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 13 to 21
29
Strength to Weight: Bending, points 21 to 28
38
Thermal Diffusivity, mm2/s 72
58
Thermal Shock Resistance, points 5.7 to 9.0
12

Alloy Composition

Aluminum (Al), % 97.8 to 99.05
0
Copper (Cu), % 0 to 0.2
2.4 to 3.0
Iron (Fe), % 0 to 0.1
0
Magnesium (Mg), % 0.8 to 1.2
89.2 to 91.9
Manganese (Mn), % 0.15 to 0.45
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.080
0 to 0.2
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.050
5.5 to 6.5
Residuals, % 0
0 to 0.3