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5040 Aluminum vs. Grade CW6MC Nickel

5040 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 (2, 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 5040 aluminum and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 5.7 to 6.8
28
Fatigue Strength, MPa 100 to 130
210
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 240 to 260
540
Tensile Strength: Yield (Proof), MPa 190 to 230
310

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
980
Melting Completion (Liquidus), °C 650
1480
Melting Onset (Solidus), °C 600
1430
Specific Heat Capacity, J/kg-K 900
440
Thermal Conductivity, W/m-K 160
11
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
80
Density, g/cm3 2.8
8.6
Embodied Carbon, kg CO2/kg material 8.3
14
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 1180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14 to 15
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 380
240
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 24 to 26
18
Strength to Weight: Bending, points 31 to 32
17
Thermal Diffusivity, mm2/s 64
2.8
Thermal Shock Resistance, points 10 to 11
15

Alloy Composition

Aluminum (Al), % 95.2 to 98
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0.1 to 0.3
20 to 23
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.7
0 to 5.0
Magnesium (Mg), % 1.0 to 1.5
0
Manganese (Mn), % 0.9 to 1.4
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 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0