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8090 Aluminum vs. Grade CW6MC Nickel

8090 aluminum belongs to the aluminum alloys classification, while grade CW6MC nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (1, 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 grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 3.5 to 13
28
Fatigue Strength, MPa 91 to 140
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
79
Tensile Strength: Ultimate (UTS), MPa 340 to 490
540
Tensile Strength: Yield (Proof), MPa 210 to 420
310

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
980
Melting Completion (Liquidus), °C 660
1480
Melting Onset (Solidus), °C 600
1430
Specific Heat Capacity, J/kg-K 960
440
Thermal Conductivity, W/m-K 95 to 160
11
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 66
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 18
80
Density, g/cm3 2.7
8.6
Embodied Carbon, kg CO2/kg material 8.6
14
Embodied Energy, MJ/kg 170
200
Embodied Water, L/kg 1160
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 41
130
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1330
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 34 to 49
18
Strength to Weight: Bending, points 39 to 50
17
Thermal Diffusivity, mm2/s 36 to 60
2.8
Thermal Shock Resistance, points 15 to 22
15

Alloy Composition


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Aluminum (Al), % 93 to 98.4
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0 to 0.1
20 to 23
Copper (Cu), % 1.0 to 1.6
0
Iron (Fe), % 0 to 0.3
0 to 5.0
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
8.0 to 10
Nickel (Ni), % 0
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0.040 to 0.16
0
Residuals, % 0 to 0.15
0