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238.0 Aluminum vs. N08221 Nickel

238.0 aluminum belongs to the aluminum alloys classification, while N08221 nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 238.0 aluminum and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
200
Elongation at Break, % 1.5
34
Fatigue Strength, MPa 110
190
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 210
610
Tensile Strength: Yield (Proof), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 430
310
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 510
1390
Specific Heat Capacity, J/kg-K 840
460
Thermal Expansion, µm/m-K 21
13

Otherwise Unclassified Properties

Base Metal Price, % relative 12
44
Density, g/cm3 3.4
8.3
Embodied Carbon, kg CO2/kg material 7.4
7.9
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 1040
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
170
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 42
24
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 23
19
Thermal Shock Resistance, points 9.1
16

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0 to 0.2
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 9.5 to 10.5
1.5 to 3.0
Iron (Fe), % 1.0 to 1.5
22 to 33.9
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 0
39 to 46
Silicon (Si), % 3.6 to 4.4
0 to 0.050
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0
Zinc (Zn), % 1.0 to 1.5
0