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EN-MC35110 Magnesium vs. 6081 Aluminum

EN-MC35110 magnesium belongs to the magnesium alloys classification, while 6081 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 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
69
Elongation at Break, % 3.1
9.0
Fatigue Strength, MPa 110
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 18
26
Shear Strength, MPa 130
180
Tensile Strength: Ultimate (UTS), MPa 230
310
Tensile Strength: Yield (Proof), MPa 150
270

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 140
160
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 520
610
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 110
180
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
47
Electrical Conductivity: Equal Weight (Specific), % IACS 130
160

Otherwise Unclassified Properties

Base Metal Price, % relative 18
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 24
8.3
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 940
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.3
27
Resilience: Unit (Modulus of Resilience), kJ/m3 260
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 34
32
Strength to Weight: Bending, points 44
37
Thermal Diffusivity, mm2/s 61
74
Thermal Shock Resistance, points 14
14

Alloy Composition

Aluminum (Al), % 0
96.3 to 98.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.5
Magnesium (Mg), % 92 to 95.4
0.6 to 1.0
Manganese (Mn), % 0 to 0.15
0.1 to 0.45
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.7 to 1.1
Titanium (Ti), % 0
0 to 0.15
Unspecified Rare Earths, % 0.75 to 1.8
0
Zinc (Zn), % 3.5 to 5.0
0 to 0.2
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0
0 to 0.15