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AWS BNi-4 vs. EN AC-45100 Aluminum

AWS BNi-4 belongs to the nickel alloys classification, while EN AC-45100 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-4 and the bottom bar is EN AC-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
72
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 67
27
Tensile Strength: Ultimate (UTS), MPa 430
300 to 360

Thermal Properties

Latent Heat of Fusion, J/g 340
470
Melting Completion (Liquidus), °C 1070
630
Melting Onset (Solidus), °C 980
550
Specific Heat Capacity, J/kg-K 470
890
Thermal Expansion, µm/m-K 11
22

Otherwise Unclassified Properties

Base Metal Price, % relative 60
10
Density, g/cm3 8.5
2.8
Embodied Carbon, kg CO2/kg material 10
7.9
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 220
1100

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
49
Strength to Weight: Axial, points 14
30 to 35
Strength to Weight: Bending, points 15
35 to 39
Thermal Shock Resistance, points 16
14 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.050
88 to 92.8
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
2.6 to 3.6
Iron (Fe), % 0 to 1.5
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.45
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 91.4 to 95.5
0 to 0.1
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
4.5 to 6.0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.050
0 to 0.25
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.15