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7010 Aluminum vs. AWS BNi-8

7010 aluminum belongs to the aluminum alloys classification, while AWS BNi-8 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
180
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 26
67
Tensile Strength: Ultimate (UTS), MPa 520 to 590
570

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Melting Completion (Liquidus), °C 630
1010
Melting Onset (Solidus), °C 480
980
Specific Heat Capacity, J/kg-K 860
480
Thermal Expansion, µm/m-K 24
13

Otherwise Unclassified Properties

Base Metal Price, % relative 10
46
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1120
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 47 to 54
20
Strength to Weight: Bending, points 47 to 52
19
Thermal Shock Resistance, points 22 to 26
17

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0 to 0.050
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 1.5 to 2.0
4.0 to 5.0
Iron (Fe), % 0 to 0.15
0
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
21.5 to 24.5
Nickel (Ni), % 0 to 0.050
61.6 to 68.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.12
6.0 to 8.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.060
0 to 0.050
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0 to 0.050
Residuals, % 0
0 to 0.5