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AWS BNi-7 vs. EN AC-43500 Aluminum

AWS BNi-7 belongs to the nickel alloys classification, while EN AC-43500 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-7 and the bottom bar is EN AC-43500 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
220 to 300

Thermal Properties

Latent Heat of Fusion, J/g 280
550
Melting Completion (Liquidus), °C 890
600
Melting Onset (Solidus), °C 890
590
Specific Heat Capacity, J/kg-K 490
900
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Base Metal Price, % relative 55
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 8.8
7.8
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 240
1070

Common Calculations

Stiffness to Weight: Axial, points 12
16
Stiffness to Weight: Bending, points 23
54
Strength to Weight: Axial, points 19
24 to 33
Strength to Weight: Bending, points 19
32 to 39
Thermal Shock Resistance, points 21
10 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.050
86.4 to 90.5
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
0 to 0.050
Iron (Fe), % 0 to 0.2
0 to 0.25
Magnesium (Mg), % 0
0.1 to 0.6
Manganese (Mn), % 0 to 0.040
0.4 to 0.8
Nickel (Ni), % 73.3 to 77.3
0
Phosphorus (P), % 9.7 to 10.5
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
9.0 to 11.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.2
Zinc (Zn), % 0
0 to 0.070
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15