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8090 Aluminum vs. AWS ERNiCrMo-2

8090 aluminum belongs to the aluminum alloys classification, while AWS ERNiCrMo-2 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 8090 aluminum and the bottom bar is AWS ERNiCrMo-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
81
Tensile Strength: Ultimate (UTS), MPa 340 to 490
750

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Melting Completion (Liquidus), °C 660
1460
Melting Onset (Solidus), °C 600
1410
Specific Heat Capacity, J/kg-K 960
450
Thermal Conductivity, W/m-K 95 to 160
11
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 66
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
55
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.6
9.2
Embodied Energy, MJ/kg 170
120
Embodied Water, L/kg 1160
270

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 34 to 49
25
Strength to Weight: Bending, points 39 to 50
22
Thermal Diffusivity, mm2/s 36 to 60
2.9
Thermal Shock Resistance, points 15 to 22
20

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.1
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 1.0 to 1.6
0 to 0.5
Iron (Fe), % 0 to 0.3
17 to 20
Lithium (Li), % 2.2 to 2.7
0
Magnesium (Mg), % 0.6 to 1.3
0
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
40.3 to 53.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
0.2 to 1.0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.5