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2025 Aluminum vs. N10665 Nickel

2025 aluminum belongs to the aluminum alloys classification, while N10665 nickel belongs to the nickel alloys. There are 30 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 2025 aluminum and the bottom bar is N10665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
220
Elongation at Break, % 15
45
Fatigue Strength, MPa 130
340
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
84
Shear Strength, MPa 240
600
Tensile Strength: Ultimate (UTS), MPa 400
860
Tensile Strength: Yield (Proof), MPa 260
400

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 190
900
Melting Completion (Liquidus), °C 640
1620
Melting Onset (Solidus), °C 520
1570
Specific Heat Capacity, J/kg-K 870
390
Thermal Conductivity, W/m-K 150
11
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 3.0
9.3
Embodied Carbon, kg CO2/kg material 7.9
15
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 1130
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
320
Resilience: Unit (Modulus of Resilience), kJ/m3 450
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
22
Strength to Weight: Axial, points 37
26
Strength to Weight: Bending, points 40
22
Thermal Diffusivity, mm2/s 58
3.1
Thermal Shock Resistance, points 18
27

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0 to 0.1
0 to 1.0
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 3.9 to 5.0
0
Iron (Fe), % 0 to 1.0
0 to 2.0
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
26 to 30
Nickel (Ni), % 0
64.8 to 74
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 1.2
0 to 0.1
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0