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AWS BNi-1a vs. EN AC-43100 Aluminum

AWS BNi-1a belongs to the nickel alloys classification, while EN AC-43100 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-1a and the bottom bar is EN AC-43100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
71
Poisson's Ratio 0.3
0.33
Shear Modulus, GPa 70
27
Tensile Strength: Ultimate (UTS), MPa 450
180 to 270

Thermal Properties

Latent Heat of Fusion, J/g 370
540
Melting Completion (Liquidus), °C 1080
600
Melting Onset (Solidus), °C 980
590
Specific Heat Capacity, J/kg-K 500
900
Thermal Expansion, µm/m-K 12
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 13
15
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 16
20 to 29
Strength to Weight: Bending, points 16
28 to 36
Thermal Shock Resistance, points 15
8.6 to 12

Alloy Composition

Aluminum (Al), % 0 to 0.050
86.9 to 90.8
Boron (B), % 2.8 to 3.5
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 0.1
Iron (Fe), % 4.0 to 5.0
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0
0 to 0.45
Nickel (Ni), % 70.6 to 76.3
0 to 0.050
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
9.0 to 11
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.050
0 to 0.15
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15