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EN-MC65120 Magnesium vs. A444.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while A444.0 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 A444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
18
Fatigue Strength, MPa 80
37
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Tensile Strength: Ultimate (UTS), MPa 160
160
Tensile Strength: Yield (Proof), MPa 110
66

Thermal Properties

Latent Heat of Fusion, J/g 330
500
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 520
590
Specific Heat Capacity, J/kg-K 970
900
Thermal Conductivity, W/m-K 100
160
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
41
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
7.9
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
24
Resilience: Unit (Modulus of Resilience), kJ/m3 140
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
53
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 34
25
Thermal Diffusivity, mm2/s 56
68
Thermal Shock Resistance, points 9.8
7.3

Alloy Composition

Aluminum (Al), % 0
91.6 to 93.5
Copper (Cu), % 0 to 0.030
0 to 0.1
Iron (Fe), % 0 to 0.010
0 to 0.2
Magnesium (Mg), % 91.8 to 95.1
0 to 0.050
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
6.5 to 7.5
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