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EQ21A Magnesium vs. 5010 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 5010 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EQ21A magnesium and the bottom bar is 5010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
27 to 62
Elastic (Young's, Tensile) Modulus, GPa 44
69
Elongation at Break, % 2.4
1.1 to 23
Fatigue Strength, MPa 110
35 to 83
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
64 to 120
Tensile Strength: Ultimate (UTS), MPa 250
100 to 210
Tensile Strength: Yield (Proof), MPa 190
38 to 190

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 560
630
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
200
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
45
Electrical Conductivity: Equal Weight (Specific), % IACS 120
150

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
8.2
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
2.3 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 410
10 to 270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 37
10 to 22
Strength to Weight: Bending, points 47
18 to 29
Thermal Diffusivity, mm2/s 62
82
Thermal Shock Resistance, points 15
4.5 to 9.4

Alloy Composition


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Aluminum (Al), % 0
97.1 to 99.7
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0.050 to 0.1
0 to 0.25
Iron (Fe), % 0
0 to 0.7
Magnesium (Mg), % 93.9 to 96.8
0.2 to 0.6
Manganese (Mn), % 0
0.1 to 0.3
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 1.3 to 1.7
0
Titanium (Ti), % 0
0 to 0.1
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.3
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15