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7010-T6 Aluminum vs. AZ91D-T6 Magnesium

7010-T6 aluminum belongs to the aluminum alloys classification, while AZ91D-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 7010-T6 aluminum and the bottom bar is AZ91D-T6 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
80
Elastic (Young's, Tensile) Modulus, GPa 70
46
Elongation at Break, % 4.0
2.3
Fatigue Strength, MPa 180
74
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 340
120
Tensile Strength: Ultimate (UTS), MPa 590
210
Tensile Strength: Yield (Proof), MPa 530
130

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 480
490
Specific Heat Capacity, J/kg-K 860
990
Thermal Conductivity, W/m-K 150
78
Thermal Expansion, µm/m-K 24
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 10
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.3
22
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
990

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
4.2
Resilience: Unit (Modulus of Resilience), kJ/m3 2050
170
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
69
Strength to Weight: Axial, points 54
33
Strength to Weight: Bending, points 52
45
Thermal Diffusivity, mm2/s 58
45
Thermal Shock Resistance, points 26
12

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
8.3 to 9.7
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 1.5 to 2.0
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.0050
Magnesium (Mg), % 2.1 to 2.6
88.7 to 91.2
Manganese (Mn), % 0 to 0.1
0.15 to 0.5
Nickel (Ni), % 0 to 0.050
0 to 0.0020
Silicon (Si), % 0 to 0.12
0 to 0.1
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0.35 to 1.0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0