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EN-MC35110 Magnesium vs. 8079 Aluminum

EN-MC35110 magnesium belongs to the magnesium alloys classification, while 8079 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-MC35110 magnesium and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
2.2
Fatigue Strength, MPa 110
56
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Tensile Strength: Ultimate (UTS), MPa 230
150
Tensile Strength: Yield (Proof), MPa 150
120

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 520
640
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
230
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
58
Electrical Conductivity: Equal Weight (Specific), % IACS 130
190

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.0
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 24
8.2
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 940
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 260
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 34
15
Strength to Weight: Bending, points 44
22
Thermal Diffusivity, mm2/s 61
92
Thermal Shock Resistance, points 14
6.4

Alloy Composition


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Aluminum (Al), % 0
98.1 to 99.3
Copper (Cu), % 0 to 0.030
0 to 0.050
Iron (Fe), % 0 to 0.010
0.7 to 1.3
Magnesium (Mg), % 92 to 95.4
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.050 to 0.3
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15