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AWS BNi-9 vs. 7010 Aluminum

AWS BNi-9 belongs to the nickel alloys classification, while 7010 aluminum belongs to the aluminum 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 AWS BNi-9 and the bottom bar is 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 72
26
Tensile Strength: Ultimate (UTS), MPa 580
520 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
380
Melting Completion (Liquidus), °C 1060
630
Melting Onset (Solidus), °C 1060
480
Specific Heat Capacity, J/kg-K 480
860
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 60
10
Density, g/cm3 8.4
3.0
Embodied Carbon, kg CO2/kg material 9.3
8.3
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 260
1120

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 19
47 to 54
Strength to Weight: Bending, points 18
47 to 52
Thermal Shock Resistance, points 19
22 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.050
87.9 to 90.6
Boron (B), % 3.3 to 4.0
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 13.5 to 16.5
0 to 0.050
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
1.5 to 2.0
Iron (Fe), % 0 to 1.5
0 to 0.15
Magnesium (Mg), % 0
2.1 to 2.6
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 77.1 to 83.3
0 to 0.050
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.12
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.060
Zinc (Zn), % 0
5.7 to 6.7
Zirconium (Zr), % 0 to 0.050
0.1 to 0.16
Residuals, % 0
0 to 0.15