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EN-MC21210 Magnesium vs. EN AC-43000 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN AC-43000 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-MC21210 magnesium and the bottom bar is EN AC-43000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
60 to 94
Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 14
1.1 to 2.5
Fatigue Strength, MPa 70
68 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 190
180 to 270
Tensile Strength: Yield (Proof), MPa 90
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 350
540
Maximum Temperature: Mechanical, °C 100
170
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 570
590
Specific Heat Capacity, J/kg-K 1000
900
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 27
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
38
Electrical Conductivity: Equal Weight (Specific), % IACS 130
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 1.6
2.6
Embodied Carbon, kg CO2/kg material 24
7.8
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 92
66 to 360
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 72
54
Strength to Weight: Axial, points 32
20 to 29
Strength to Weight: Bending, points 44
28 to 36
Thermal Diffusivity, mm2/s 76
60
Thermal Shock Resistance, points 11
8.6 to 12

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
87 to 90.8
Copper (Cu), % 0 to 0.010
0 to 0.050
Iron (Fe), % 0 to 0.0050
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 96.3 to 98.3
0.2 to 0.45
Manganese (Mn), % 0.1 to 0.7
0 to 0.45
Nickel (Ni), % 0 to 0.0020
0 to 0.050
Silicon (Si), % 0 to 0.1
9.0 to 11
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0 to 0.010
0 to 0.15