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EN-MC65120 Magnesium vs. 515.0 Aluminum

EN-MC65120 magnesium belongs to the magnesium alloys classification, while 515.0 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN-MC65120 magnesium and the bottom bar is 515.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
70
Elongation at Break, % 3.1
10
Fatigue Strength, MPa 80
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 92
190
Tensile Strength: Ultimate (UTS), MPa 160
280

Thermal Properties

Latent Heat of Fusion, J/g 330
470
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 590
620
Melting Onset (Solidus), °C 520
620
Specific Heat Capacity, J/kg-K 970
900
Thermal Expansion, µm/m-K 26
23

Otherwise Unclassified Properties

Base Metal Price, % relative 25
9.5
Density, g/cm3 1.9
2.6
Embodied Carbon, kg CO2/kg material 25
8.4
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 930
1120

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 62
52
Strength to Weight: Axial, points 23
30
Strength to Weight: Bending, points 34
36
Thermal Shock Resistance, points 9.8
13

Alloy Composition

Aluminum (Al), % 0
93.6 to 96.6
Copper (Cu), % 0 to 0.030
0 to 0.2
Iron (Fe), % 0 to 0.010
0 to 1.3
Magnesium (Mg), % 91.8 to 95.1
2.5 to 4.0
Manganese (Mn), % 0 to 0.15
0.4 to 0.6
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0.5 to 10
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