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515.0 Aluminum vs. EN-MC65120 Magnesium

515.0 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium 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 515.0 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 93.6 to 96.6
0
Copper (Cu), % 0 to 0.2
0 to 0.030
Iron (Fe), % 0 to 1.3
0 to 0.010
Magnesium (Mg), % 2.5 to 4.0
91.8 to 95.1
Manganese (Mn), % 0.4 to 0.6
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0.5 to 10
0 to 0.010
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.1
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010