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EN-MC95310 Magnesium vs. 8079 Aluminum

EN-MC95310 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-MC95310 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, % 2.2
2.2
Fatigue Strength, MPa 110
56
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 280
150
Tensile Strength: Yield (Proof), MPa 190
120

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 650
650
Melting Onset (Solidus), °C 540
640
Specific Heat Capacity, J/kg-K 960
900
Thermal Conductivity, W/m-K 51
230
Thermal Expansion, µm/m-K 25
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
58
Electrical Conductivity: Equal Weight (Specific), % IACS 50
190

Otherwise Unclassified Properties

Base Metal Price, % relative 34
9.0
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 29
8.2
Embodied Energy, MJ/kg 260
150
Embodied Water, L/kg 900
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 420
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 61
50
Strength to Weight: Axial, points 40
15
Strength to Weight: Bending, points 49
22
Thermal Diffusivity, mm2/s 28
92
Thermal Shock Resistance, points 18
6.4

Alloy Composition

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
Lithium (Li), % 0 to 0.2
0
Magnesium (Mg), % 88.9 to 93.4
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, % 1.5 to 4.0
0
Yttrium (Y), % 4.8 to 5.5
0
Zinc (Zn), % 0 to 0.2
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15