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2025 Aluminum vs. Nickel 59

2025 aluminum belongs to the aluminum alloys classification, while nickel 59 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 nickel 59.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
220
Elongation at Break, % 15
50
Fatigue Strength, MPa 130
320
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
84
Shear Strength, MPa 240
560
Tensile Strength: Ultimate (UTS), MPa 400
780
Tensile Strength: Yield (Proof), MPa 260
350

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
990
Melting Completion (Liquidus), °C 640
1500
Melting Onset (Solidus), °C 520
1450
Specific Heat Capacity, J/kg-K 870
430
Thermal Conductivity, W/m-K 150
10
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
65
Density, g/cm3 3.0
8.7
Embodied Carbon, kg CO2/kg material 7.9
12
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1130
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55
320
Resilience: Unit (Modulus of Resilience), kJ/m3 450
280
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
23
Strength to Weight: Axial, points 37
25
Strength to Weight: Bending, points 40
22
Thermal Diffusivity, mm2/s 58
2.7
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 90.9 to 95.2
0.1 to 0.4
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0 to 0.1
22 to 24
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 3.9 to 5.0
0 to 0.5
Iron (Fe), % 0 to 1.0
0 to 1.5
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0.4 to 1.2
0 to 0.5
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 0
56.2 to 62.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0.5 to 1.2
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0