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EN-MC65220 Magnesium vs. 5088 Aluminum

EN-MC65220 magnesium belongs to the magnesium alloys classification, while 5088 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN-MC65220 magnesium and the bottom bar is 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.2
29
Fatigue Strength, MPa 110
180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
25
Shear Strength, MPa 150
200
Tensile Strength: Ultimate (UTS), MPa 270
310
Tensile Strength: Yield (Proof), MPa 200
150

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 610
640
Melting Onset (Solidus), °C 550
540
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 26
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
9.0
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.5
76
Resilience: Unit (Modulus of Resilience), kJ/m3 450
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 62
50
Strength to Weight: Axial, points 40
32
Strength to Weight: Bending, points 49
38
Thermal Diffusivity, mm2/s 61
51
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.8
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0.050 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.010
0.1 to 0.35
Magnesium (Mg), % 93.8 to 96.8
4.7 to 5.5
Manganese (Mn), % 0 to 0.15
0.2 to 0.5
Nickel (Ni), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.010
0 to 0.2
Silver (Ag), % 1.3 to 1.7
0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0 to 0.2
0.2 to 0.4
Zirconium (Zr), % 0.4 to 1.0
0 to 0.15
Residuals, % 0
0 to 0.15