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EN-MC32110 Magnesium vs. 2618A Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 2618A 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-MC32110 magnesium and the bottom bar is 2618A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 49
72
Elongation at Break, % 2.2
4.5
Fatigue Strength, MPa 80
120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
27
Shear Strength, MPa 120
260
Tensile Strength: Ultimate (UTS), MPa 220
440
Tensile Strength: Yield (Proof), MPa 140
410

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 99
230
Melting Completion (Liquidus), °C 600
670
Melting Onset (Solidus), °C 500
560
Specific Heat Capacity, J/kg-K 950
880
Thermal Conductivity, W/m-K 120
150
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
37
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 2.1
3.0
Embodied Carbon, kg CO2/kg material 22
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
19
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
47
Strength to Weight: Axial, points 29
41
Strength to Weight: Bending, points 38
44
Thermal Diffusivity, mm2/s 58
59
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0 to 0.2
91.5 to 95.2
Copper (Cu), % 2.4 to 3.0
1.8 to 2.7
Iron (Fe), % 0 to 0.050
0.9 to 1.4
Magnesium (Mg), % 89.3 to 91.9
1.2 to 1.8
Manganese (Mn), % 0.25 to 0.75
0 to 0.25
Nickel (Ni), % 0 to 0.010
0.8 to 1.4
Silicon (Si), % 0 to 0.2
0.15 to 0.25
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 5.5 to 6.5
0 to 0.15
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15