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7010 Aluminum vs. AWS ENi-1

7010 aluminum belongs to the aluminum alloys classification, while AWS ENi-1 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7010 aluminum and the bottom bar is AWS ENi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
180
Elongation at Break, % 3.9 to 6.8
22
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 26
69
Tensile Strength: Ultimate (UTS), MPa 520 to 590
470

Thermal Properties

Latent Heat of Fusion, J/g 380
310
Melting Completion (Liquidus), °C 630
1360
Melting Onset (Solidus), °C 480
1310
Specific Heat Capacity, J/kg-K 860
450
Thermal Conductivity, W/m-K 150
73
Thermal Expansion, µm/m-K 24
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
60
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 8.3
11
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 45
22
Strength to Weight: Axial, points 47 to 54
15
Strength to Weight: Bending, points 47 to 52
15
Thermal Diffusivity, mm2/s 58
19
Thermal Shock Resistance, points 22 to 26
17

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0 to 1.0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 1.5 to 2.0
0 to 0.25
Iron (Fe), % 0 to 0.15
0 to 0.75
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.75
Nickel (Ni), % 0 to 0.050
92 to 99
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.12
0 to 1.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.060
1.0 to 4.0
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0
0 to 0.5