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AWS BNi-2 vs. EN AC-45000 Aluminum

AWS BNi-2 belongs to the nickel alloys classification, while EN AC-45000 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-2 and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
73
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 68
27
Tensile Strength: Ultimate (UTS), MPa 440
180

Thermal Properties

Latent Heat of Fusion, J/g 360
470
Melting Completion (Liquidus), °C 1000
640
Melting Onset (Solidus), °C 970
520
Specific Heat Capacity, J/kg-K 490
870
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Base Metal Price, % relative 55
11
Density, g/cm3 8.2
3.0
Embodied Carbon, kg CO2/kg material 9.3
7.7
Embodied Energy, MJ/kg 130
140
Embodied Water, L/kg 230
1070

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
24
Thermal Shock Resistance, points 16
8.0

Alloy Composition

Aluminum (Al), % 0 to 0.050
82.2 to 91.8
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 6.0 to 8.0
0 to 0.15
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 2.5 to 3.5
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0
0.2 to 0.65
Nickel (Ni), % 79.1 to 84.8
0 to 0.45
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
5.0 to 7.0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 0
0 to 2.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.35