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2018 Aluminum vs. 7010 Aluminum

Both 2018 aluminum and 7010 aluminum are aluminum alloys. They have a moderately high 92% of their average alloy composition in common. 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 2018 aluminum and the bottom bar is 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
70
Elongation at Break, % 9.6
3.9 to 6.8
Fatigue Strength, MPa 120
160 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Shear Strength, MPa 270
300 to 340
Tensile Strength: Ultimate (UTS), MPa 420
520 to 590
Tensile Strength: Yield (Proof), MPa 310
410 to 540

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 220
200
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 510
480
Specific Heat Capacity, J/kg-K 870
860
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
22 to 33
Resilience: Unit (Modulus of Resilience), kJ/m3 670
1230 to 2130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
45
Strength to Weight: Axial, points 38
47 to 54
Strength to Weight: Bending, points 41
47 to 52
Thermal Diffusivity, mm2/s 57
58
Thermal Shock Resistance, points 19
22 to 26

Alloy Composition

Aluminum (Al), % 89.7 to 94.4
87.9 to 90.6
Chromium (Cr), % 0 to 0.1
0 to 0.050
Copper (Cu), % 3.5 to 4.5
1.5 to 2.0
Iron (Fe), % 0 to 1.0
0 to 0.15
Magnesium (Mg), % 0.45 to 0.9
2.1 to 2.6
Manganese (Mn), % 0 to 0.2
0 to 0.1
Nickel (Ni), % 1.7 to 2.3
0 to 0.050
Silicon (Si), % 0 to 0.9
0 to 0.12
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.25
5.7 to 6.7
Zirconium (Zr), % 0
0.1 to 0.16
Residuals, % 0
0 to 0.15