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7108 Aluminum vs. EN-MC35110 Magnesium

7108 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium 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 7108 aluminum and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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