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6081 Aluminum vs. AWS ERNiCrFe-5

6081 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrFe-5 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 6081 aluminum and the bottom bar is AWS ERNiCrFe-5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 9.0
34
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 310
630

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 610
1340
Specific Heat Capacity, J/kg-K 900
450
Thermal Conductivity, W/m-K 180
14
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 160
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
65
Density, g/cm3 2.7
8.5
Embodied Carbon, kg CO2/kg material 8.3
11
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
250

Common Calculations

Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 37
19
Thermal Diffusivity, mm2/s 74
3.6
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 96.3 to 98.6
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
14 to 17
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 0 to 0.1
0 to 0.5
Iron (Fe), % 0 to 0.5
6.0 to 10
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0.1 to 0.45
0 to 1.0
Nickel (Ni), % 0
70 to 78.5
Niobium (Nb), % 0
1.5 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.7 to 1.1
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.5