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AWS BNi-7 vs. 319.0 Aluminum

AWS BNi-7 belongs to the nickel alloys classification, while 319.0 aluminum belongs to the aluminum alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, 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-7 and the bottom bar is 319.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
72
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 67
27
Tensile Strength: Ultimate (UTS), MPa 550
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 280
480
Melting Completion (Liquidus), °C 890
600
Melting Onset (Solidus), °C 890
540
Specific Heat Capacity, J/kg-K 490
880
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Base Metal Price, % relative 55
10
Density, g/cm3 8.0
2.9
Embodied Carbon, kg CO2/kg material 8.8
7.7
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 240
1080

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
48
Strength to Weight: Axial, points 19
18 to 24
Strength to Weight: Bending, points 19
25 to 30
Thermal Shock Resistance, points 21
8.6 to 11

Alloy Composition

Aluminum (Al), % 0 to 0.050
85.8 to 91.5
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 13 to 15
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 0 to 0.2
0 to 1.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.040
0 to 0.5
Nickel (Ni), % 73.3 to 77.3
0 to 0.35
Phosphorus (P), % 9.7 to 10.5
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
5.5 to 6.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5