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EN-MC32110 Magnesium vs. EN AC-21100 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while EN AC-21100 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is EN AC-21100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 49
71
Elongation at Break, % 2.2
6.2 to 7.3
Fatigue Strength, MPa 80
79 to 87
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
27
Tensile Strength: Ultimate (UTS), MPa 220
340 to 350
Tensile Strength: Yield (Proof), MPa 140
210 to 240

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 99
170
Melting Completion (Liquidus), °C 600
670
Melting Onset (Solidus), °C 500
550
Specific Heat Capacity, J/kg-K 950
880
Thermal Conductivity, W/m-K 120
130
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
34
Electrical Conductivity: Equal Weight (Specific), % IACS 140
100

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 2.1
3.0
Embodied Carbon, kg CO2/kg material 22
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
19 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 210
300 to 400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
46
Strength to Weight: Axial, points 29
31 to 33
Strength to Weight: Bending, points 38
36 to 37
Thermal Diffusivity, mm2/s 58
48
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0 to 0.2
93.4 to 95.7
Copper (Cu), % 2.4 to 3.0
4.2 to 5.2
Iron (Fe), % 0 to 0.050
0 to 0.19
Magnesium (Mg), % 89.3 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
0 to 0.55
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.18
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 5.5 to 6.5
0 to 0.070
Residuals, % 0 to 0.010
0 to 0.1