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4115 Aluminum vs. AWS BNi-4

4115 aluminum belongs to the aluminum alloys classification, while AWS BNi-4 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, 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 4115 aluminum and the bottom bar is AWS BNi-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
180
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 26
67
Tensile Strength: Ultimate (UTS), MPa 120 to 220
430

Thermal Properties

Latent Heat of Fusion, J/g 420
340
Melting Completion (Liquidus), °C 640
1070
Melting Onset (Solidus), °C 590
980
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
60
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.1
10
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1160
220

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 12 to 23
14
Strength to Weight: Bending, points 20 to 30
15
Thermal Shock Resistance, points 5.2 to 9.9
16

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
0 to 0.050
Boron (B), % 0
1.5 to 2.2
Carbon (C), % 0
0 to 0.060
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0.1 to 0.5
0
Iron (Fe), % 0 to 0.7
0 to 1.5
Magnesium (Mg), % 0.1 to 0.5
0
Manganese (Mn), % 0.6 to 1.2
0
Nickel (Ni), % 0
91.4 to 95.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 1.8 to 2.2
3.0 to 4.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5