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C355.0 Aluminum vs. AWS BNi-2

C355.0 aluminum belongs to the aluminum alloys classification, while AWS BNi-2 belongs to the nickel 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 C355.0 aluminum and the bottom bar is AWS BNi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
180
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
68
Tensile Strength: Ultimate (UTS), MPa 290 to 310
440

Thermal Properties

Latent Heat of Fusion, J/g 470
360
Melting Completion (Liquidus), °C 620
1000
Melting Onset (Solidus), °C 570
970
Specific Heat Capacity, J/kg-K 900
490
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.7
8.2
Embodied Carbon, kg CO2/kg material 8.0
9.3
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1120
230

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 51
23
Strength to Weight: Axial, points 30 to 32
15
Strength to Weight: Bending, points 36 to 37
16
Thermal Shock Resistance, points 13 to 14
16

Alloy Composition

Aluminum (Al), % 91.7 to 94.1
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
6.0 to 8.0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 1.0 to 1.5
0
Iron (Fe), % 0 to 0.2
2.5 to 3.5
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
79.1 to 84.8
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 4.5 to 5.5
4.0 to 5.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0 to 0.050
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5