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7050 Aluminum vs. EN-MC35110 Magnesium

7050 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 7050 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, % 2.2 to 12
3.1
Fatigue Strength, MPa 130 to 210
110
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
18
Shear Strength, MPa 280 to 330
130
Tensile Strength: Ultimate (UTS), MPa 490 to 570
230
Tensile Strength: Yield (Proof), MPa 390 to 500
150

Thermal Properties

Latent Heat of Fusion, J/g 370
330
Maximum Temperature: Mechanical, °C 190
140
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 490
520
Specific Heat Capacity, J/kg-K 860
970
Thermal Conductivity, W/m-K 140
110
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
27
Electrical Conductivity: Equal Weight (Specific), % IACS 100
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
18
Density, g/cm3 3.1
1.9
Embodied Carbon, kg CO2/kg material 8.2
24
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1120
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
6.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
260
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
63
Strength to Weight: Axial, points 45 to 51
34
Strength to Weight: Bending, points 45 to 50
44
Thermal Diffusivity, mm2/s 54
61
Thermal Shock Resistance, points 21 to 25
14

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
0
Chromium (Cr), % 0 to 0.040
0
Copper (Cu), % 2.0 to 2.6
0 to 0.030
Iron (Fe), % 0 to 0.15
0 to 0.010
Magnesium (Mg), % 1.9 to 2.6
92 to 95.4
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.12
0 to 0.010
Titanium (Ti), % 0 to 0.060
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 5.7 to 6.7
3.5 to 5.0
Zirconium (Zr), % 0.080 to 0.15
0.4 to 1.0
Residuals, % 0 to 0.15
0 to 0.010