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EZ33A Magnesium vs. 5019 Aluminum

EZ33A magnesium belongs to the magnesium alloys classification, while 5019 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 5019 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.6
2.2 to 18
Fatigue Strength, MPa 70
100 to 160
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
170 to 210
Tensile Strength: Ultimate (UTS), MPa 150
280 to 360
Tensile Strength: Yield (Proof), MPa 100
120 to 300

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 250
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 570
540
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 27
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
29
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
9.0
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6
7.6 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 120
110 to 650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
51
Strength to Weight: Axial, points 22
29 to 38
Strength to Weight: Bending, points 33
35 to 42
Thermal Diffusivity, mm2/s 54
52
Thermal Shock Resistance, points 9.2
13 to 16

Alloy Composition

Aluminum (Al), % 0
91.5 to 95.3
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 91.5 to 95
4.5 to 5.6
Manganese (Mn), % 0
0.1 to 0.6
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.1
0 to 0.2
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.15