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7010 Aluminum vs. EZ33A Magnesium

7010 aluminum belongs to the aluminum alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 30 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 aluminum and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
44
Elongation at Break, % 3.9 to 6.8
2.6
Fatigue Strength, MPa 160 to 190
70
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
17
Shear Strength, MPa 300 to 340
140
Tensile Strength: Ultimate (UTS), MPa 520 to 590
150
Tensile Strength: Yield (Proof), MPa 410 to 540
100

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Maximum Temperature: Mechanical, °C 200
250
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 480
570
Specific Heat Capacity, J/kg-K 860
970
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 24
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
24
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
25
Density, g/cm3 3.0
1.9
Embodied Carbon, kg CO2/kg material 8.3
25
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 1120
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
61
Strength to Weight: Axial, points 47 to 54
22
Strength to Weight: Bending, points 47 to 52
33
Thermal Diffusivity, mm2/s 58
54
Thermal Shock Resistance, points 22 to 26
9.2

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 1.5 to 2.0
0 to 0.1
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 2.1 to 2.6
91.5 to 95
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.050
0 to 0.010
Silicon (Si), % 0 to 0.12
0
Titanium (Ti), % 0 to 0.060
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 5.7 to 6.7
2.0 to 3.1
Zirconium (Zr), % 0.1 to 0.16
0.5 to 1.0
Residuals, % 0
0 to 0.3