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AWS BNi-6 vs. 7049A Aluminum

AWS BNi-6 belongs to the nickel alloys classification, while 7049A aluminum belongs to the aluminum 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 AWS BNi-6 and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
71
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 62
27
Tensile Strength: Ultimate (UTS), MPa 450
580 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Melting Completion (Liquidus), °C 880
640
Melting Onset (Solidus), °C 880
430
Specific Heat Capacity, J/kg-K 480
850
Thermal Expansion, µm/m-K 9.8
24

Otherwise Unclassified Properties

Base Metal Price, % relative 55
10
Density, g/cm3 8.2
3.1
Embodied Carbon, kg CO2/kg material 9.4
8.2
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 210
1100

Common Calculations

Stiffness to Weight: Axial, points 11
13
Stiffness to Weight: Bending, points 22
44
Strength to Weight: Axial, points 15
52 to 53
Strength to Weight: Bending, points 16
50 to 51
Thermal Shock Resistance, points 20
25

Alloy Composition

Aluminum (Al), % 0 to 0.050
84.6 to 89.5
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 0
0.050 to 0.25
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
1.2 to 1.9
Iron (Fe), % 0
0 to 0.5
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 87.2 to 90
0
Phosphorus (P), % 10 to 12
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 0
7.2 to 8.4
Zirconium (Zr), % 0 to 0.050
0 to 0.25
Residuals, % 0
0 to 0.15