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7010 Aluminum vs. ISO-WD21150 Magnesium

7010 aluminum belongs to the aluminum alloys classification, while ISO-WD21150 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7010 aluminum and the bottom bar is ISO-WD21150 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 3.9 to 6.8
5.7 to 11
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 300 to 340
150 to 170
Tensile Strength: Ultimate (UTS), MPa 520 to 590
240 to 290
Tensile Strength: Yield (Proof), MPa 410 to 540
120 to 200

Thermal Properties

Latent Heat of Fusion, J/g 380
350
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 480
550
Specific Heat Capacity, J/kg-K 860
990
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
19
Electrical Conductivity: Equal Weight (Specific), % IACS 120
100

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 3.0
1.7
Embodied Carbon, kg CO2/kg material 8.3
23
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
15 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
160 to 460
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 45
70
Strength to Weight: Axial, points 47 to 54
40 to 48
Strength to Weight: Bending, points 47 to 52
52 to 58
Thermal Diffusivity, mm2/s 58
60
Thermal Shock Resistance, points 22 to 26
15 to 17

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
2.4 to 3.6
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 1.5 to 2.0
0 to 0.050
Iron (Fe), % 0 to 0.15
0 to 0.0050
Magnesium (Mg), % 2.1 to 2.6
94 to 97
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Nickel (Ni), % 0 to 0.050
0 to 0.0050
Silicon (Si), % 0 to 0.12
0 to 0.1
Titanium (Ti), % 0 to 0.060
0
Zinc (Zn), % 5.7 to 6.7
0.5 to 1.5
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0
0 to 0.3