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EN AC-45500 Aluminum vs. EZ33A Magnesium

EN AC-45500 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 EN AC-45500 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
55
Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 2.8
2.6
Fatigue Strength, MPa 80
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Tensile Strength: Ultimate (UTS), MPa 320
150
Tensile Strength: Yield (Proof), MPa 250
100

Thermal Properties

Latent Heat of Fusion, J/g 500
330
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 22
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
24
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.6
1.9
Embodied Carbon, kg CO2/kg material 8.0
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1110
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 430
120
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
61
Strength to Weight: Axial, points 34
22
Strength to Weight: Bending, points 40
33
Thermal Diffusivity, mm2/s 65
54
Thermal Shock Resistance, points 15
9.2

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
0
Copper (Cu), % 0.2 to 0.7
0 to 0.1
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0.2 to 0.45
91.5 to 95
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.070
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3