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7022 Aluminum vs. EN-MC35110 Magnesium

7022 aluminum belongs to the aluminum alloys classification, while EN-MC35110 magnesium belongs to the magnesium alloys. There are 30 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 7022 aluminum and the bottom bar is EN-MC35110 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
45
Elongation at Break, % 6.3 to 8.0
3.1
Fatigue Strength, MPa 140 to 170
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 290 to 320
130
Tensile Strength: Ultimate (UTS), MPa 490 to 540
230
Tensile Strength: Yield (Proof), MPa 390 to 460
150

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 640
600
Melting Onset (Solidus), °C 480
520
Specific Heat Capacity, J/kg-K 870
970
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
27
Electrical Conductivity: Equal Weight (Specific), % IACS 65
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 2.9
1.9
Embodied Carbon, kg CO2/kg material 8.5
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1130
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
63
Strength to Weight: Axial, points 47 to 51
34
Strength to Weight: Bending, points 47 to 50
44
Thermal Diffusivity, mm2/s 54
61
Thermal Shock Resistance, points 21 to 23
14

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0
Chromium (Cr), % 0.1 to 0.3
0
Copper (Cu), % 0.5 to 1.0
0 to 0.030
Iron (Fe), % 0 to 0.5
0 to 0.010
Magnesium (Mg), % 2.6 to 3.7
92 to 95.4
Manganese (Mn), % 0.1 to 0.4
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 4.3 to 5.2
3.5 to 5.0
Zirconium (Zr), % 0 to 0.2
0.4 to 1.0
Residuals, % 0 to 0.15
0 to 0.010