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EZ33A Magnesium vs. 3303 Aluminum

EZ33A magnesium belongs to the magnesium alloys classification, while 3303 aluminum belongs to the aluminum alloys. There are 30 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 EZ33A magnesium and the bottom bar is 3303 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.6
23
Fatigue Strength, MPa 70
43
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
69
Tensile Strength: Ultimate (UTS), MPa 150
110
Tensile Strength: Yield (Proof), MPa 100
39

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 250
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
620
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
170
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
43
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 25
8.1
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6
20
Resilience: Unit (Modulus of Resilience), kJ/m3 120
11
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
49
Strength to Weight: Axial, points 22
11
Strength to Weight: Bending, points 33
18
Thermal Diffusivity, mm2/s 54
67
Thermal Shock Resistance, points 9.2
4.8

Alloy Composition

Aluminum (Al), % 0
96.6 to 99
Copper (Cu), % 0 to 0.1
0.050 to 0.2
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 91.5 to 95
0
Manganese (Mn), % 0
1.0 to 1.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.6
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.1
0 to 0.3
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.15