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EN AC-46400 Aluminum vs. AWS BNi-3

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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