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EN-MC32110 Magnesium vs. 772.0 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 772.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 772.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
69
Elongation at Break, % 2.2
6.3 to 8.4
Fatigue Strength, MPa 80
94 to 160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 19
26
Tensile Strength: Ultimate (UTS), MPa 220
260 to 320
Tensile Strength: Yield (Proof), MPa 140
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 99
180
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 500
580
Specific Heat Capacity, J/kg-K 950
870
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
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
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
16 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 210
350 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
46
Strength to Weight: Axial, points 29
25 to 31
Strength to Weight: Bending, points 38
31 to 36
Thermal Diffusivity, mm2/s 58
58
Thermal Shock Resistance, points 12
11 to 14

Alloy Composition


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Aluminum (Al), % 0 to 0.2
91.2 to 93.2
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 2.4 to 3.0
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.15
Magnesium (Mg), % 89.3 to 91.9
0.6 to 0.8
Manganese (Mn), % 0.25 to 0.75
0 to 0.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.15
Titanium (Ti), % 0
0.1 to 0.2
Zinc (Zn), % 5.5 to 6.5
6.0 to 7.0
Residuals, % 0 to 0.010
0 to 0.15