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AWS BNi-3 vs. EN AC-46400 Aluminum

AWS BNi-3 belongs to the nickel alloys classification, while EN AC-46400 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-3 and the bottom bar is EN AC-46400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
72
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 66
27
Tensile Strength: Ultimate (UTS), MPa 430
170 to 310

Thermal Properties

Latent Heat of Fusion, J/g 350
520
Melting Completion (Liquidus), °C 1040
610
Melting Onset (Solidus), °C 980
570
Specific Heat Capacity, J/kg-K 480
890
Thermal Expansion, µm/m-K 10
22

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 8.3
2.7
Embodied Carbon, kg CO2/kg material 9.9
7.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 220
1070

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
52
Strength to Weight: Axial, points 14
18 to 32
Strength to Weight: Bending, points 15
26 to 38
Thermal Shock Resistance, points 17
7.8 to 14

Alloy Composition

Aluminum (Al), % 0 to 0.050
85.4 to 90.5
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 0 to 0.5
0 to 0.8
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.25 to 0.65
Manganese (Mn), % 0
0.15 to 0.55
Nickel (Ni), % 90.1 to 93.3
0 to 0.2
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
8.3 to 9.7
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0 to 0.050
0 to 0.2
Zinc (Zn), % 0
0 to 0.8
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.25