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EN-MC32110 Magnesium vs. 1070A Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 1070A aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 1070A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
18 to 40
Elastic (Young's, Tensile) Modulus, GPa 49
68
Elongation at Break, % 2.2
2.3 to 33
Fatigue Strength, MPa 80
17 to 51
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
44 to 81
Tensile Strength: Ultimate (UTS), MPa 220
68 to 140
Tensile Strength: Yield (Proof), MPa 140
17 to 120

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
170
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 500
640
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
230
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
60
Electrical Conductivity: Equal Weight (Specific), % IACS 140
200

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.0
Density, g/cm3 2.1
2.7
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
3.0 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 210
2.1 to 100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
7.0 to 14
Strength to Weight: Bending, points 38
14 to 22
Thermal Diffusivity, mm2/s 58
94
Thermal Shock Resistance, points 12
3.1 to 6.3

Alloy Composition


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Aluminum (Al), % 0 to 0.2
99.7 to 100
Copper (Cu), % 2.4 to 3.0
0 to 0.030
Iron (Fe), % 0 to 0.050
0 to 0.25
Magnesium (Mg), % 89.3 to 91.9
0 to 0.030
Manganese (Mn), % 0.25 to 0.75
0 to 0.030
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.2
Titanium (Ti), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0 to 0.070
Residuals, % 0 to 0.010
0