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7475 Aluminum vs. AWS BNi-10

7475 aluminum belongs to the aluminum alloys classification, while AWS BNi-10 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 7475 aluminum and the bottom bar is AWS BNi-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 530 to 590
600

Thermal Properties

Latent Heat of Fusion, J/g 380
330
Melting Completion (Liquidus), °C 640
1110
Melting Onset (Solidus), °C 480
970
Specific Heat Capacity, J/kg-K 870
440
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Base Metal Price, % relative 10
80
Density, g/cm3 3.0
9.4
Embodied Carbon, kg CO2/kg material 8.2
11
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 46
21
Strength to Weight: Axial, points 49 to 55
18
Strength to Weight: Bending, points 48 to 52
17
Thermal Shock Resistance, points 23 to 26
19

Alloy Composition

Aluminum (Al), % 88.6 to 91.6
0 to 0.050
Boron (B), % 0
2.0 to 3.0
Carbon (C), % 0
0.4 to 0.55
Chromium (Cr), % 0.18 to 0.25
10 to 13
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 1.2 to 1.9
0
Iron (Fe), % 0 to 0.12
2.5 to 4.5
Magnesium (Mg), % 1.9 to 2.6
0
Manganese (Mn), % 0 to 0.060
0
Nickel (Ni), % 0
57.2 to 67.1
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.1
3.0 to 4.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.060
0 to 0.050
Tungsten (W), % 0
15 to 17
Zinc (Zn), % 5.1 to 6.2
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5