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6014-T4 Aluminum vs. AZ91D-T4 Magnesium

6014-T4 aluminum belongs to the aluminum alloys classification, while AZ91D-T4 magnesium belongs to the magnesium 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 6014-T4 aluminum and the bottom bar is AZ91D-T4 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
46
Elongation at Break, % 17
4.5
Fatigue Strength, MPa 43
85
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 96
120
Tensile Strength: Ultimate (UTS), MPa 160
220
Tensile Strength: Yield (Proof), MPa 80
80

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 620
490
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 200
78
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 53
11
Electrical Conductivity: Equal Weight (Specific), % IACS 180
58

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
1.7
Embodied Carbon, kg CO2/kg material 8.6
22
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 1190
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 46
69
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 16
34
Strength to Weight: Bending, points 24
46
Thermal Diffusivity, mm2/s 83
45
Thermal Shock Resistance, points 7.0
13

Alloy Composition

Aluminum (Al), % 97.1 to 99.2
8.3 to 9.7
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
0 to 0.030
Iron (Fe), % 0 to 0.35
0 to 0.0050
Magnesium (Mg), % 0.4 to 0.8
88.7 to 91.2
Manganese (Mn), % 0.050 to 0.2
0.15 to 0.5
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0.3 to 0.6
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Vanadium (V), % 0.050 to 0.2
0
Zinc (Zn), % 0 to 0.1
0.35 to 1.0
Residuals, % 0 to 0.15
0