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AWS BNi-4 vs. EN AC-44300 Aluminum

AWS BNi-4 belongs to the nickel alloys classification, while EN AC-44300 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-44300 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
270

Thermal Properties

Latent Heat of Fusion, J/g 340
570
Melting Completion (Liquidus), °C 1070
590
Melting Onset (Solidus), °C 980
580
Specific Heat Capacity, J/kg-K 470
900
Thermal Expansion, µm/m-K 11
21

Otherwise Unclassified Properties

Base Metal Price, % relative 60
9.5
Density, g/cm3 8.5
2.5
Embodied Carbon, kg CO2/kg material 10
7.7
Embodied Energy, MJ/kg 140
140
Embodied Water, L/kg 220
1050

Common Calculations

Stiffness to Weight: Axial, points 12
16
Stiffness to Weight: Bending, points 22
55
Strength to Weight: Axial, points 14
29
Strength to Weight: Bending, points 15
36
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0 to 0.050
84.3 to 89.5
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
0 to 0.1
Iron (Fe), % 0 to 1.5
0 to 1.0
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 91.4 to 95.5
0
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
10.5 to 13.5
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0 to 0.15
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.25