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5083 Aluminum vs. AWS BNi-5a

5083 aluminum belongs to the aluminum alloys classification, while AWS BNi-5a belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, 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 5083 aluminum and the bottom bar is AWS BNi-5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 290 to 390
480

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Melting Completion (Liquidus), °C 640
1150
Melting Onset (Solidus), °C 580
1070
Specific Heat Capacity, J/kg-K 900
500
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.9
9.0
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1170
260

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 29 to 40
17
Strength to Weight: Bending, points 36 to 44
17
Thermal Shock Resistance, points 12 to 17
15

Alloy Composition

Aluminum (Al), % 92.4 to 95.6
0 to 0.050
Boron (B), % 0
1.0 to 1.5
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0.050 to 0.25
18.5 to 19.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
0 to 0.5
Magnesium (Mg), % 4.0 to 4.9
0
Manganese (Mn), % 0.4 to 1.0
0
Nickel (Ni), % 0
70.1 to 73.5
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.4
7.0 to 7.5
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.15
0 to 0.050
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5