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EQ21A Magnesium vs. 6463 Aluminum

EQ21A magnesium belongs to the magnesium alloys classification, while 6463 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 6463 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
42 to 74
Elastic (Young's, Tensile) Modulus, GPa 44
68
Elongation at Break, % 2.4
9.0 to 17
Fatigue Strength, MPa 110
45 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 17
26
Shear Strength, MPa 150
86 to 150
Tensile Strength: Ultimate (UTS), MPa 250
140 to 230
Tensile Strength: Yield (Proof), MPa 190
82 to 200

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 560
620
Specific Heat Capacity, J/kg-K 980
900
Thermal Conductivity, W/m-K 110
190 to 210
Thermal Expansion, µm/m-K 27
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
50 to 55
Electrical Conductivity: Equal Weight (Specific), % IACS 120
170 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.5
Density, g/cm3 1.9
2.7
Embodied Carbon, kg CO2/kg material 27
8.3
Embodied Energy, MJ/kg 210
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 410
50 to 300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 63
50
Strength to Weight: Axial, points 37
14 to 24
Strength to Weight: Bending, points 47
22 to 31
Thermal Diffusivity, mm2/s 62
79 to 86
Thermal Shock Resistance, points 15
6.3 to 10

Alloy Composition

Aluminum (Al), % 0
97.9 to 99.4
Copper (Cu), % 0.050 to 0.1
0 to 0.2
Iron (Fe), % 0
0 to 0.15
Magnesium (Mg), % 93.9 to 96.8
0.45 to 0.9
Manganese (Mn), % 0
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0.2 to 0.6
Silver (Ag), % 1.3 to 1.7
0
Unspecified Rare Earths, % 1.5 to 3.0
0
Zinc (Zn), % 0
0 to 0.050
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.3
0 to 0.15