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EN-MC35110 Magnesium vs. 7108 Aluminum

EN-MC35110 magnesium belongs to the magnesium alloys classification, while 7108 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN-MC35110 magnesium and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
11
Fatigue Strength, MPa 110
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 130
210
Tensile Strength: Ultimate (UTS), MPa 230
350
Tensile Strength: Yield (Proof), MPa 150
290

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 140
210
Melting Completion (Liquidus), °C 600
630
Melting Onset (Solidus), °C 520
530
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
39
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 1.9
2.9
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 940
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
38
Resilience: Unit (Modulus of Resilience), kJ/m3 260
620
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 63
47
Strength to Weight: Axial, points 34
34
Strength to Weight: Bending, points 44
38
Thermal Diffusivity, mm2/s 61
59
Thermal Shock Resistance, points 14
16

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.7
Copper (Cu), % 0 to 0.030
0 to 0.050
Iron (Fe), % 0 to 0.010
0 to 0.1
Magnesium (Mg), % 92 to 95.4
0.7 to 1.4
Manganese (Mn), % 0 to 0.15
0 to 0.050
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.1
Titanium (Ti), % 0
0 to 0.050
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
4.5 to 5.5
Zirconium (Zr), % 0.4 to 1.0
0.12 to 0.25
Residuals, % 0 to 0.010
0 to 0.15