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518.0 Aluminum vs. EN-MC32110 Magnesium

518.0 aluminum belongs to the aluminum alloys classification, while EN-MC32110 magnesium belongs to the magnesium alloys.

For each property being compared, the top bar is 518.0 aluminum and the bottom bar is EN-MC32110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
60
Elastic (Young's, Tensile) Modulus, GPa 67
49
Elongation at Break, % 5.0
2.2
Fatigue Strength, MPa 140
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
19
Shear Strength, MPa 200
120
Tensile Strength: Ultimate (UTS), MPa 310
220
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 170
99
Melting Completion (Liquidus), °C 620
600
Melting Onset (Solidus), °C 560
500
Specific Heat Capacity, J/kg-K 900
950
Thermal Conductivity, W/m-K 98
120
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
32
Electrical Conductivity: Equal Weight (Specific), % IACS 81
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.7
2.1
Embodied Carbon, kg CO2/kg material 9.4
22
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
920

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 270
210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
58
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 38
38
Thermal Diffusivity, mm2/s 40
58
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 88.1 to 92.5
0 to 0.2
Copper (Cu), % 0 to 0.25
2.4 to 3.0
Iron (Fe), % 0 to 1.8
0 to 0.050
Magnesium (Mg), % 7.5 to 8.5
89.3 to 91.9
Manganese (Mn), % 0 to 0.35
0.25 to 0.75
Nickel (Ni), % 0 to 0.15
0 to 0.010
Silicon (Si), % 0 to 0.35
0 to 0.2
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
5.5 to 6.5
Residuals, % 0
0 to 0.010