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EN-MC32110 Magnesium vs. 3105 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 3105 aluminum belongs to the aluminum alloys. There are 31 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-MC32110 magnesium and the bottom bar is 3105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
29 to 67
Elastic (Young's, Tensile) Modulus, GPa 49
69
Elongation at Break, % 2.2
1.1 to 20
Fatigue Strength, MPa 80
39 to 95
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
77 to 140
Tensile Strength: Ultimate (UTS), MPa 220
120 to 240
Tensile Strength: Yield (Proof), MPa 140
46 to 220

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
180
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 500
640
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
44
Electrical Conductivity: Equal Weight (Specific), % IACS 140
140

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.8
Embodied Carbon, kg CO2/kg material 22
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
2.6 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 210
15 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
12 to 24
Strength to Weight: Bending, points 38
20 to 31
Thermal Diffusivity, mm2/s 58
68
Thermal Shock Resistance, points 12
5.2 to 11

Alloy Composition


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Aluminum (Al), % 0 to 0.2
96 to 99.5
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 2.4 to 3.0
0 to 0.3
Iron (Fe), % 0 to 0.050
0 to 0.7
Magnesium (Mg), % 89.3 to 91.9
0.2 to 0.8
Manganese (Mn), % 0.25 to 0.75
0.3 to 0.8
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.6
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 5.5 to 6.5
0 to 0.4
Residuals, % 0 to 0.010
0 to 0.15