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2014-T6 Aluminum vs. AZ91E-T6 Magnesium

2014-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 (5, in this case) are not shown.

For each property being compared, the top bar is 2014-T6 aluminum and the bottom bar is AZ91E-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
75
Elastic (Young's, Tensile) Modulus, GPa 72
46
Elongation at Break, % 6.8
3.9
Fatigue Strength, MPa 130
84
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
18
Shear Strength, MPa 290
150
Tensile Strength: Ultimate (UTS), MPa 490
260
Tensile Strength: Yield (Proof), MPa 420
130

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 510
500
Specific Heat Capacity, J/kg-K 870
990
Thermal Conductivity, W/m-K 150
84
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
58

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.1
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
190
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
69
Strength to Weight: Axial, points 45
42
Strength to Weight: Bending, points 45
53
Thermal Diffusivity, mm2/s 58
49
Thermal Shock Resistance, points 21
15

Alloy Composition

Aluminum (Al), % 90.4 to 95
8.1 to 9.3
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.0050
Magnesium (Mg), % 0.2 to 0.8
88.8 to 91.3
Manganese (Mn), % 0.4 to 1.2
0.17 to 0.35
Nickel (Ni), % 0
0 to 0.0010
Silicon (Si), % 0.5 to 1.2
0 to 0.2
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0.4 to 1.0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0
0 to 0.3