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EN-MC65120 Magnesium vs. 354.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 354.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 354.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
71
Elongation at Break, % 3.1
2.4 to 3.0
Fatigue Strength, MPa 80
92 to 120
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 160
360 to 380
Tensile Strength: Yield (Proof), MPa 110
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 330
530
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 520
550
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
130
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
32
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 25
7.8
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
8.6 to 9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 140
540 to 670
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
52
Strength to Weight: Axial, points 23
37 to 39
Strength to Weight: Bending, points 34
42 to 44
Thermal Diffusivity, mm2/s 56
52
Thermal Shock Resistance, points 9.8
17 to 18

Alloy Composition

Aluminum (Al), % 0
87.3 to 89.4
Copper (Cu), % 0 to 0.030
1.6 to 2.0
Iron (Fe), % 0 to 0.010
0 to 0.2
Magnesium (Mg), % 91.8 to 95.1
0.4 to 0.6
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
8.6 to 9.4
Titanium (Ti), % 0
0 to 0.2
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 0.1
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.15