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6463 Aluminum vs. EZ33A Magnesium

6463 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 31 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 EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 42 to 74
55
Elastic (Young's, Tensile) Modulus, GPa 68
44
Elongation at Break, % 9.0 to 17
2.6
Fatigue Strength, MPa 45 to 76
70
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 86 to 150
140
Tensile Strength: Ultimate (UTS), MPa 140 to 230
150
Tensile Strength: Yield (Proof), MPa 82 to 200
100

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 160
250
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 620
570
Specific Heat Capacity, J/kg-K 900
970
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
24
Electrical Conductivity: Equal Weight (Specific), % IACS 170 to 180
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.7
1.9
Embodied Carbon, kg CO2/kg material 8.3
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1190
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 25
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 50 to 300
120
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
61
Strength to Weight: Axial, points 14 to 24
22
Strength to Weight: Bending, points 22 to 31
33
Thermal Diffusivity, mm2/s 79 to 86
54
Thermal Shock Resistance, points 6.3 to 10
9.2

Alloy Composition

Aluminum (Al), % 97.9 to 99.4
0
Copper (Cu), % 0 to 0.2
0 to 0.1
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 0.45 to 0.9
91.5 to 95
Manganese (Mn), % 0 to 0.050
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.2 to 0.6
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0 to 0.050
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3