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333.0-T6 Aluminum vs. AZ91E-T6 Magnesium

333.0-T6 aluminum belongs to the aluminum alloys classification, while AZ91E-T6 magnesium belongs to the magnesium alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 333.0-T6 aluminum and the bottom bar is AZ91E-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
75
Elastic (Young's, Tensile) Modulus, GPa 73
46
Elongation at Break, % 1.5
3.9
Fatigue Strength, MPa 100
84
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
18
Shear Strength, MPa 230
150
Tensile Strength: Ultimate (UTS), MPa 280
260
Tensile Strength: Yield (Proof), MPa 210
130

Thermal Properties

Latent Heat of Fusion, J/g 520
350
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 590
600
Melting Onset (Solidus), °C 530
500
Specific Heat Capacity, J/kg-K 880
990
Thermal Conductivity, W/m-K 120
84
Thermal Expansion, µm/m-K 21
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
11
Electrical Conductivity: Equal Weight (Specific), % IACS 92
58

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.8
1.7
Embodied Carbon, kg CO2/kg material 7.6
22
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.8
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 290
190
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
69
Strength to Weight: Axial, points 27
42
Strength to Weight: Bending, points 34
53
Thermal Diffusivity, mm2/s 47
49
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 81.8 to 89
8.1 to 9.3
Copper (Cu), % 3.0 to 4.0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.0050
Magnesium (Mg), % 0.050 to 0.5
88.8 to 91.3
Manganese (Mn), % 0 to 0.5
0.17 to 0.35
Nickel (Ni), % 0 to 0.5
0 to 0.0010
Silicon (Si), % 8.0 to 10
0 to 0.2
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0.4 to 1.0
Residuals, % 0
0 to 0.3