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EN-MC32110 Magnesium vs. 5049 Aluminum

EN-MC32110 magnesium belongs to the magnesium alloys classification, while 5049 aluminum belongs to the aluminum alloys.

For each property being compared, the top bar is EN-MC32110 magnesium and the bottom bar is 5049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
52 to 88
Elastic (Young's, Tensile) Modulus, GPa 49
69
Elongation at Break, % 2.2
2.0 to 18
Fatigue Strength, MPa 80
79 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 19
26
Shear Strength, MPa 120
130 to 190
Tensile Strength: Ultimate (UTS), MPa 220
210 to 330
Tensile Strength: Yield (Proof), MPa 140
91 to 280

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 99
190
Melting Completion (Liquidus), °C 600
650
Melting Onset (Solidus), °C 500
620
Specific Heat Capacity, J/kg-K 950
900
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
35
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 2.1
2.7
Embodied Carbon, kg CO2/kg material 22
8.5
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 920
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.3
6.0 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 210
59 to 570
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
50
Strength to Weight: Axial, points 29
22 to 34
Strength to Weight: Bending, points 38
29 to 39
Thermal Diffusivity, mm2/s 58
56
Thermal Shock Resistance, points 12
9.3 to 15

Alloy Composition

Aluminum (Al), % 0 to 0.2
94.7 to 97.9
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 2.4 to 3.0
0 to 0.1
Iron (Fe), % 0 to 0.050
0 to 0.5
Magnesium (Mg), % 89.3 to 91.9
1.6 to 2.5
Manganese (Mn), % 0.25 to 0.75
0.5 to 1.1
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 5.5 to 6.5
0 to 0.2
Residuals, % 0
0 to 0.15