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308.0 Aluminum vs. EZ33A Magnesium

308.0 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 308.0 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
55
Elastic (Young's, Tensile) Modulus, GPa 73
44
Elongation at Break, % 2.0
2.6
Fatigue Strength, MPa 89
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
17
Shear Strength, MPa 150
140
Tensile Strength: Ultimate (UTS), MPa 190
150
Tensile Strength: Yield (Proof), MPa 110
100

Thermal Properties

Latent Heat of Fusion, J/g 470
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 540
570
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 140
100
Thermal Expansion, µm/m-K 20
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
24
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 7.7
25
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1080
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 83
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
61
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 25
33
Thermal Diffusivity, mm2/s 55
54
Thermal Shock Resistance, points 9.2
9.2

Alloy Composition

Aluminum (Al), % 85.7 to 91
0
Copper (Cu), % 4.0 to 5.0
0 to 0.1
Iron (Fe), % 0 to 1.0
0
Magnesium (Mg), % 0 to 0.1
91.5 to 95
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 5.0 to 6.0
0
Titanium (Ti), % 0 to 0.25
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 1.0
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3