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3203 Aluminum vs. EZ33A Magnesium

3203 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium 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 3203 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 4.5 to 29
2.6
Fatigue Strength, MPa 46 to 92
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 72 to 120
140
Tensile Strength: Ultimate (UTS), MPa 110 to 200
150
Tensile Strength: Yield (Proof), MPa 39 to 190
100

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 2.8
1.9
Embodied Carbon, kg CO2/kg material 8.1
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1180
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 25
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 250
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
61
Strength to Weight: Axial, points 11 to 20
22
Strength to Weight: Bending, points 19 to 28
33
Thermal Diffusivity, mm2/s 70
54
Thermal Shock Resistance, points 4.9 to 8.8
9.2

Alloy Composition

Aluminum (Al), % 96.9 to 99
0
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.7
0
Magnesium (Mg), % 0
91.5 to 95
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.1
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3