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EN-MC21210 Magnesium vs. 2017A Aluminum

EN-MC21210 magnesium belongs to the magnesium alloys classification, while 2017A 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 2017A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
71
Elongation at Break, % 14
2.2 to 14
Fatigue Strength, MPa 70
92 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Shear Strength, MPa 110
120 to 270
Tensile Strength: Ultimate (UTS), MPa 190
200 to 460
Tensile Strength: Yield (Proof), MPa 90
110 to 290

Thermal Properties

Latent Heat of Fusion, J/g 350
390
Maximum Temperature: Mechanical, °C 100
220
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 570
510
Specific Heat Capacity, J/kg-K 1000
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
34
Electrical Conductivity: Equal Weight (Specific), % IACS 130
100

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 1.6
3.0
Embodied Carbon, kg CO2/kg material 24
8.2
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 980
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
6.7 to 53
Resilience: Unit (Modulus of Resilience), kJ/m3 92
90 to 570
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 72
46
Strength to Weight: Axial, points 32
19 to 42
Strength to Weight: Bending, points 44
26 to 44
Thermal Diffusivity, mm2/s 76
56
Thermal Shock Resistance, points 11
8.9 to 20

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
91.3 to 95.5
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.010
3.5 to 4.5
Iron (Fe), % 0 to 0.0050
0 to 0.7
Magnesium (Mg), % 96.3 to 98.3
0.4 to 1.0
Manganese (Mn), % 0.1 to 0.7
0.4 to 1.0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0.2 to 0.8
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.010
0 to 0.15