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8090 Aluminum vs. ZC63A Magnesium

8090 aluminum belongs to the aluminum alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 8090 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
48
Elongation at Break, % 3.5 to 13
3.3
Fatigue Strength, MPa 91 to 140
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
19
Tensile Strength: Ultimate (UTS), MPa 340 to 490
220
Tensile Strength: Yield (Proof), MPa 210 to 420
130

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
98
Melting Completion (Liquidus), °C 660
550
Melting Onset (Solidus), °C 600
470
Specific Heat Capacity, J/kg-K 960
950
Thermal Conductivity, W/m-K 95 to 160
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
32
Electrical Conductivity: Equal Weight (Specific), % IACS 66
140

Otherwise Unclassified Properties

Base Metal Price, % relative 18
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 8.6
22
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 1160
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
58
Strength to Weight: Axial, points 34 to 49
29
Strength to Weight: Bending, points 39 to 50
38
Thermal Diffusivity, mm2/s 36 to 60
58
Thermal Shock Resistance, points 15 to 22
12

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
2.4 to 3.0
Iron (Fe), % 0 to 0.3
0
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
89.2 to 91.9
Manganese (Mn), % 0 to 0.1
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
5.5 to 6.5
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0
0 to 0.3