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EN AC-45500 Aluminum vs. ZC63A Magnesium

EN AC-45500 aluminum belongs to the aluminum alloys classification, while ZC63A magnesium belongs to the magnesium alloys. There are 30 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 EN AC-45500 aluminum and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
60
Elastic (Young's, Tensile) Modulus, GPa 70
48
Elongation at Break, % 2.8
3.3
Fatigue Strength, MPa 80
94
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
19
Tensile Strength: Ultimate (UTS), MPa 320
220
Tensile Strength: Yield (Proof), MPa 250
130

Thermal Properties

Latent Heat of Fusion, J/g 500
330
Maximum Temperature: Mechanical, °C 170
98
Melting Completion (Liquidus), °C 610
550
Melting Onset (Solidus), °C 600
470
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 22
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
32
Electrical Conductivity: Equal Weight (Specific), % IACS 110
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
2.1
Embodied Carbon, kg CO2/kg material 8.0
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1110
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 430
190
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
58
Strength to Weight: Axial, points 34
29
Strength to Weight: Bending, points 40
38
Thermal Diffusivity, mm2/s 65
58
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 90.6 to 93.1
0
Copper (Cu), % 0.2 to 0.7
2.4 to 3.0
Iron (Fe), % 0 to 0.25
0
Magnesium (Mg), % 0.2 to 0.45
89.2 to 91.9
Manganese (Mn), % 0 to 0.15
0.25 to 0.75
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 6.5 to 7.5
0 to 0.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.070
5.5 to 6.5
Residuals, % 0
0 to 0.3