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Nickel 30 vs. 2218 Aluminum

Nickel 30 belongs to the nickel alloys classification, while 2218 aluminum belongs to the aluminum alloys. There are 30 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 nickel 30 and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
73
Elongation at Break, % 34
6.8 to 10
Fatigue Strength, MPa 200
110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 82
27
Shear Strength, MPa 440
210 to 250
Tensile Strength: Ultimate (UTS), MPa 660
330 to 430
Tensile Strength: Yield (Proof), MPa 270
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 320
390
Maximum Temperature: Mechanical, °C 1020
220
Melting Completion (Liquidus), °C 1480
640
Melting Onset (Solidus), °C 1430
510
Specific Heat Capacity, J/kg-K 450
870
Thermal Conductivity, W/m-K 10
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
37
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 60
11
Density, g/cm3 8.5
3.1
Embodied Carbon, kg CO2/kg material 9.4
8.2
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 290
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 180
450 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
45
Strength to Weight: Axial, points 22
30 to 39
Strength to Weight: Bending, points 20
34 to 41
Thermal Diffusivity, mm2/s 2.7
52
Thermal Shock Resistance, points 18
15 to 19

Alloy Composition

Aluminum (Al), % 0
88.8 to 93.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 31.5
0 to 0.1
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
3.5 to 4.5
Iron (Fe), % 13 to 17
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 0.030
0 to 0.2
Molybdenum (Mo), % 4.0 to 6.0
0
Nickel (Ni), % 30.2 to 52.2
1.7 to 2.3
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.8
0 to 0.9
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.5 to 4.0
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15