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EN-MC32110 Magnesium vs. 2117 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 2117 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
70
Elastic (Young's, Tensile) Modulus, GPa 49
71
Elongation at Break, % 2.2
26
Fatigue Strength, MPa 80
95
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
27
Shear Strength, MPa 120
200
Tensile Strength: Ultimate (UTS), MPa 220
300
Tensile Strength: Yield (Proof), MPa 140
170

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
220
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 500
550
Specific Heat Capacity, J/kg-K 950
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 13
10
Density, g/cm3 2.1
3.0
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
64
Resilience: Unit (Modulus of Resilience), kJ/m3 210
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
47
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 38
33
Thermal Diffusivity, mm2/s 58
59
Thermal Shock Resistance, points 12
12

Alloy Composition


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Aluminum (Al), % 0 to 0.2
91 to 97.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 2.4 to 3.0
2.2 to 4.5
Iron (Fe), % 0 to 0.050
0 to 0.7
Magnesium (Mg), % 89.3 to 91.9
0.2 to 1.0
Manganese (Mn), % 0.25 to 0.75
0.4 to 1.0
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0.2 to 0.8
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 5.5 to 6.5
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.010
0 to 0.15