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EZ33A Magnesium vs. 5040 Aluminum

EZ33A magnesium belongs to the magnesium alloys classification, while 5040 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EZ33A magnesium and the bottom bar is 5040 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
66 to 74
Elastic (Young's, Tensile) Modulus, GPa 44
70
Elongation at Break, % 2.6
5.7 to 6.8
Fatigue Strength, MPa 70
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 140
140 to 150
Tensile Strength: Ultimate (UTS), MPa 150
240 to 260
Tensile Strength: Yield (Proof), MPa 100
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 250
190
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 570
600
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
41
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 25
8.3
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.6
14 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 120
260 to 380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
50
Strength to Weight: Axial, points 22
24 to 26
Strength to Weight: Bending, points 33
31 to 32
Thermal Diffusivity, mm2/s 54
64
Thermal Shock Resistance, points 9.2
10 to 11

Alloy Composition

Aluminum (Al), % 0
95.2 to 98
Chromium (Cr), % 0
0.1 to 0.3
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 91.5 to 95
1.0 to 1.5
Manganese (Mn), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.3
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.1
0 to 0.25
Zirconium (Zr), % 0.5 to 1.0
0
Residuals, % 0
0 to 0.15