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6463 Aluminum vs. ISO-WD21150 Magnesium

6463 aluminum belongs to the aluminum alloys classification, while ISO-WD21150 magnesium belongs to the magnesium 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 6463 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
45
Elongation at Break, % 9.0 to 17
5.7 to 11
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 86 to 150
150 to 170
Tensile Strength: Ultimate (UTS), MPa 140 to 230
240 to 290
Tensile Strength: Yield (Proof), MPa 82 to 200
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 160
110
Melting Completion (Liquidus), °C 660
600
Melting Onset (Solidus), °C 620
550
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 190 to 210
100
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50 to 55
19
Electrical Conductivity: Equal Weight (Specific), % IACS 170 to 180
100

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 300
160 to 460
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
70
Strength to Weight: Axial, points 14 to 24
40 to 48
Strength to Weight: Bending, points 22 to 31
52 to 58
Thermal Diffusivity, mm2/s 79 to 86
60
Thermal Shock Resistance, points 6.3 to 10
15 to 17

Alloy Composition

Aluminum (Al), % 97.9 to 99.4
2.4 to 3.6
Copper (Cu), % 0 to 0.2
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.0050
Magnesium (Mg), % 0.45 to 0.9
94 to 97
Manganese (Mn), % 0 to 0.050
0.15 to 0.4
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0.2 to 0.6
0 to 0.1
Zinc (Zn), % 0 to 0.050
0.5 to 1.5
Residuals, % 0
0 to 0.3