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AWS BNi-8 vs. C355.0 Aluminum

AWS BNi-8 belongs to the nickel alloys classification, while C355.0 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-8 and the bottom bar is C355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
70
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 67
26
Tensile Strength: Ultimate (UTS), MPa 570
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
470
Melting Completion (Liquidus), °C 1010
620
Melting Onset (Solidus), °C 980
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Expansion, µm/m-K 13
22

Otherwise Unclassified Properties

Base Metal Price, % relative 46
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 220
1120

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 20
30 to 32
Strength to Weight: Bending, points 19
36 to 37
Thermal Shock Resistance, points 17
13 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.050
91.7 to 94.1
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
1.0 to 1.5
Iron (Fe), % 0
0 to 0.2
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 21.5 to 24.5
0 to 0.1
Nickel (Ni), % 61.6 to 68.5
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
4.5 to 5.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15