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4343 Aluminum vs. AWS BNi-11

4343 aluminum belongs to the aluminum alloys classification, while AWS BNi-11 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 4343 aluminum and the bottom bar is AWS BNi-11.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 27
74
Tensile Strength: Ultimate (UTS), MPa 110
600

Thermal Properties

Brazing Temperature, °C 600 to 620
1150 to 1200
Latent Heat of Fusion, J/g 510
340
Melting Completion (Liquidus), °C 620
1100
Melting Onset (Solidus), °C 580
970
Specific Heat Capacity, J/kg-K 900
450
Thermal Expansion, µm/m-K 22
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.6
9.1
Embodied Carbon, kg CO2/kg material 7.9
11
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1100
230

Common Calculations

Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 53
21
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 5.2
20

Alloy Composition

Aluminum (Al), % 90.3 to 93.2
0 to 0.050
Boron (B), % 0
2.2 to 3.1
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
9.0 to 11.8
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.8
2.5 to 4.0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
62.9 to 71.2
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 6.8 to 8.2
3.4 to 4.3
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0
11.5 to 12.8
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5