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8090 Aluminum vs. AWS ENiCrMo-4

8090 aluminum belongs to the aluminum alloys classification, while AWS ENiCrMo-4 belongs to the nickel alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 ENiCrMo-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
220
Elongation at Break, % 3.5 to 13
28
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
84
Tensile Strength: Ultimate (UTS), MPa 340 to 490
790

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Melting Completion (Liquidus), °C 660
1590
Melting Onset (Solidus), °C 600
1530
Specific Heat Capacity, J/kg-K 960
410
Thermal Expansion, µm/m-K 24
12

Otherwise Unclassified Properties

Base Metal Price, % relative 18
70
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.6
13
Embodied Energy, MJ/kg 170
170
Embodied Water, L/kg 1160
280

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
22
Strength to Weight: Axial, points 34 to 49
24
Strength to Weight: Bending, points 39 to 50
21
Thermal Shock Resistance, points 15 to 22
22

Alloy Composition

Aluminum (Al), % 93 to 98.4
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.1
14.5 to 16.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 1.0 to 1.6
0 to 0.5
Iron (Fe), % 0 to 0.3
4.0 to 7.0
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
15 to 17
Nickel (Ni), % 0
49.9 to 63.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
3.0 to 4.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0 to 0.5