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AWS BNi-1a vs. 357.0 Aluminum

AWS BNi-1a belongs to the nickel alloys classification, while 357.0 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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-1a and the bottom bar is 357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
70
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 70
26
Tensile Strength: Ultimate (UTS), MPa 450
350

Thermal Properties

Latent Heat of Fusion, J/g 370
500
Melting Completion (Liquidus), °C 1080
620
Melting Onset (Solidus), °C 980
560
Specific Heat Capacity, J/kg-K 500
910
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 8.8
8.0
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 240
1110

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 16
38
Strength to Weight: Bending, points 16
43
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
91.3 to 93.1
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 4.0 to 5.0
0 to 0.15
Magnesium (Mg), % 0
0.45 to 0.6
Manganese (Mn), % 0
0 to 0.030
Nickel (Ni), % 70.6 to 76.3
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
6.5 to 7.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.2
Zinc (Zn), % 0
0 to 0.050
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15