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707.0 Aluminum vs. AWS BNi-6

707.0 aluminum belongs to the aluminum alloys classification, while AWS BNi-6 belongs to the nickel 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 707.0 aluminum and the bottom bar is AWS BNi-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
160
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
62
Tensile Strength: Ultimate (UTS), MPa 270 to 300
450

Thermal Properties

Latent Heat of Fusion, J/g 380
260
Melting Completion (Liquidus), °C 630
880
Melting Onset (Solidus), °C 600
880
Specific Heat Capacity, J/kg-K 880
480
Thermal Expansion, µm/m-K 24
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 8.3
9.4
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1140
210

Common Calculations

Stiffness to Weight: Axial, points 13
11
Stiffness to Weight: Bending, points 47
22
Strength to Weight: Axial, points 26 to 29
15
Strength to Weight: Bending, points 32 to 34
16
Thermal Shock Resistance, points 12 to 13
20

Alloy Composition

Aluminum (Al), % 90.5 to 93.6
0 to 0.050
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0.2 to 0.4
0
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.8
0
Magnesium (Mg), % 1.8 to 2.4
0
Manganese (Mn), % 0.4 to 0.6
0
Nickel (Ni), % 0
87.2 to 90
Phosphorus (P), % 0
10 to 12
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.2
0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.25
0 to 0.050
Zinc (Zn), % 4.0 to 4.5
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5