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8090 Aluminum vs. EZ33A Magnesium

8090 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 29 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 8090 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
44
Elongation at Break, % 3.5 to 13
2.6
Fatigue Strength, MPa 91 to 140
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
17
Tensile Strength: Ultimate (UTS), MPa 340 to 490
150
Tensile Strength: Yield (Proof), MPa 210 to 420
100

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
250
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 960
970
Thermal Conductivity, W/m-K 95 to 160
100
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
24
Electrical Conductivity: Equal Weight (Specific), % IACS 66
110

Otherwise Unclassified Properties

Base Metal Price, % relative 18
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.6
25
Embodied Energy, MJ/kg 170
190
Embodied Water, L/kg 1160
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
61
Strength to Weight: Axial, points 34 to 49
22
Strength to Weight: Bending, points 39 to 50
33
Thermal Diffusivity, mm2/s 36 to 60
54
Thermal Shock Resistance, points 15 to 22
9.2

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 1.0 to 1.6
0 to 0.1
Iron (Fe), % 0 to 0.3
0
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
91.5 to 95
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.1
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.25
2.0 to 3.1
Zirconium (Zr), % 0.040 to 0.16
0.5 to 1.0
Residuals, % 0
0 to 0.3