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6360-T4 Aluminum vs. AZ91D-T4 Magnesium

6360-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 6360-T4 aluminum and the bottom bar is AZ91D-T4 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
46
Elongation at Break, % 18
4.5
Fatigue Strength, MPa 31
85
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 76
120
Tensile Strength: Ultimate (UTS), MPa 120
220
Tensile Strength: Yield (Proof), MPa 57
80

Thermal Properties

Latent Heat of Fusion, J/g 400
350
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 630
490
Specific Heat Capacity, J/kg-K 900
990
Thermal Conductivity, W/m-K 210
78
Thermal Expansion, µm/m-K 23
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
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 8.3
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1190
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
7.7
Resilience: Unit (Modulus of Resilience), kJ/m3 24
69
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 50
69
Strength to Weight: Axial, points 13
34
Strength to Weight: Bending, points 20
46
Thermal Diffusivity, mm2/s 86
45
Thermal Shock Resistance, points 5.5
13

Alloy Composition

Aluminum (Al), % 97.8 to 99.3
8.3 to 9.7
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.15
0 to 0.030
Iron (Fe), % 0.1 to 0.3
0 to 0.0050
Magnesium (Mg), % 0.25 to 0.45
88.7 to 91.2
Manganese (Mn), % 0.020 to 0.15
0.15 to 0.5
Nickel (Ni), % 0
0 to 0.0020
Silicon (Si), % 0.35 to 0.8
0 to 0.1
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0.35 to 1.0
Residuals, % 0 to 0.15
0