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5088 Aluminum vs. EN-MC65120 Magnesium

5088 aluminum belongs to the aluminum alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 5088 aluminum and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 29
3.1
Fatigue Strength, MPa 180
80
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
17
Shear Strength, MPa 200
92
Tensile Strength: Ultimate (UTS), MPa 310
160
Tensile Strength: Yield (Proof), MPa 150
110

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
590
Melting Onset (Solidus), °C 540
520
Specific Heat Capacity, J/kg-K 900
970
Thermal Conductivity, W/m-K 120
100
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
25
Electrical Conductivity: Equal Weight (Specific), % IACS 98
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 9.0
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1180
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
62
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 38
34
Thermal Diffusivity, mm2/s 51
56
Thermal Shock Resistance, points 14
9.8

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
0 to 0.030
Iron (Fe), % 0.1 to 0.35
0 to 0.010
Magnesium (Mg), % 4.7 to 5.5
91.8 to 95.1
Manganese (Mn), % 0.2 to 0.5
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0 to 0.010
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0.2 to 0.4
2.0 to 3.0
Zirconium (Zr), % 0 to 0.15
0.4 to 1.0
Residuals, % 0
0 to 0.010