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Grade CX2MW Nickel vs. 6081 Aluminum

Grade CX2MW nickel belongs to the nickel alloys classification, while 6081 aluminum belongs to the aluminum 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 grade CX2MW nickel and the bottom bar is 6081 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
69
Elongation at Break, % 34
9.0
Fatigue Strength, MPa 260
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 84
26
Tensile Strength: Ultimate (UTS), MPa 620
310
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 330
410
Maximum Temperature: Mechanical, °C 980
160
Melting Completion (Liquidus), °C 1550
640
Melting Onset (Solidus), °C 1490
610
Specific Heat Capacity, J/kg-K 430
900
Thermal Conductivity, W/m-K 10
180
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
47
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
160

Otherwise Unclassified Properties

Base Metal Price, % relative 65
9.5
Density, g/cm3 8.9
2.7
Embodied Carbon, kg CO2/kg material 12
8.3
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 290
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
27
Resilience: Unit (Modulus of Resilience), kJ/m3 290
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 18
37
Thermal Diffusivity, mm2/s 2.7
74
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0
96.3 to 98.6
Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20 to 22.5
0 to 0.1
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 2.0 to 6.0
0 to 0.5
Magnesium (Mg), % 0
0.6 to 1.0
Manganese (Mn), % 0 to 1.0
0.1 to 0.45
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0.7 to 1.1
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15