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EN-MC65120 Magnesium vs. A384.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A384.0 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-MC65120 magnesium and the bottom bar is A384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
74
Elongation at Break, % 3.1
2.5
Fatigue Strength, MPa 80
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
28
Shear Strength, MPa 92
200
Tensile Strength: Ultimate (UTS), MPa 160
330
Tensile Strength: Yield (Proof), MPa 110
170

Thermal Properties

Latent Heat of Fusion, J/g 330
550
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
610
Melting Onset (Solidus), °C 520
510
Specific Heat Capacity, J/kg-K 970
880
Thermal Conductivity, W/m-K 100
96
Thermal Expansion, µm/m-K 26
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
23
Electrical Conductivity: Equal Weight (Specific), % IACS 120
73

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 1.9
2.8
Embodied Carbon, kg CO2/kg material 25
7.5
Embodied Energy, MJ/kg 190
140
Embodied Water, L/kg 930
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 140
180
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 23
32
Strength to Weight: Bending, points 34
38
Thermal Diffusivity, mm2/s 56
39
Thermal Shock Resistance, points 9.8
15

Alloy Composition

Aluminum (Al), % 0
79.3 to 86.5
Copper (Cu), % 0 to 0.030
3.0 to 4.5
Iron (Fe), % 0 to 0.010
0 to 1.3
Magnesium (Mg), % 91.8 to 95.1
0 to 0.1
Manganese (Mn), % 0 to 0.15
0 to 0.5
Nickel (Ni), % 0 to 0.0050
0 to 0.5
Silicon (Si), % 0 to 0.010
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Unspecified Rare Earths, % 2.5 to 4.0
0
Zinc (Zn), % 2.0 to 3.0
0 to 1.0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0 to 0.5