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2618A Aluminum vs. Grade CX2MW Nickel

2618A aluminum belongs to the aluminum alloys classification, while grade CX2MW 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 2618A aluminum and the bottom bar is grade CX2MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
220
Elongation at Break, % 4.5
34
Fatigue Strength, MPa 120
260
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
84
Tensile Strength: Ultimate (UTS), MPa 440
620
Tensile Strength: Yield (Proof), MPa 410
350

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Maximum Temperature: Mechanical, °C 230
980
Melting Completion (Liquidus), °C 670
1550
Melting Onset (Solidus), °C 560
1490
Specific Heat Capacity, J/kg-K 880
430
Thermal Conductivity, W/m-K 150
10
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
65
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.4
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1180
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 41
19
Strength to Weight: Bending, points 44
18
Thermal Diffusivity, mm2/s 59
2.7
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20 to 22.5
Copper (Cu), % 1.8 to 2.7
0
Iron (Fe), % 0.9 to 1.4
2.0 to 6.0
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0 to 1.0
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0.8 to 1.4
51.3 to 63
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.15 to 0.25
0 to 0.8
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0