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EN-MC21210 Magnesium vs. EN AC-43500 Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN AC-43500 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-43500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 48
68 to 91
Elastic (Young's, Tensile) Modulus, GPa 44
72
Elongation at Break, % 14
4.5 to 13
Fatigue Strength, MPa 70
62 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 190
220 to 300
Tensile Strength: Yield (Proof), MPa 90
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 350
550
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
12 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 92
130 to 200
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 72
54
Strength to Weight: Axial, points 32
24 to 33
Strength to Weight: Bending, points 44
32 to 39
Thermal Diffusivity, mm2/s 76
60
Thermal Shock Resistance, points 11
10 to 14

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
86.4 to 90.5
Copper (Cu), % 0 to 0.010
0 to 0.050
Iron (Fe), % 0 to 0.0050
0 to 0.25
Magnesium (Mg), % 96.3 to 98.3
0.1 to 0.6
Manganese (Mn), % 0.1 to 0.7
0.4 to 0.8
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
9.0 to 11.5
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0 to 0.2
0 to 0.070
Residuals, % 0 to 0.010
0 to 0.15