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EN 2.4856 Nickel vs. 2025 Aluminum

EN 2.4856 nickel belongs to the nickel alloys classification, while 2025 aluminum belongs to the aluminum alloys. 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 EN 2.4856 nickel and the bottom bar is 2025 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
110
Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 28
15
Fatigue Strength, MPa 280
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 570
240
Tensile Strength: Ultimate (UTS), MPa 880
400
Tensile Strength: Yield (Proof), MPa 430
260

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 1000
190
Melting Completion (Liquidus), °C 1480
640
Melting Onset (Solidus), °C 1430
520
Specific Heat Capacity, J/kg-K 440
870
Thermal Conductivity, W/m-K 10
150
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
40
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
120

Otherwise Unclassified Properties

Base Metal Price, % relative 80
10
Density, g/cm3 8.6
3.0
Embodied Carbon, kg CO2/kg material 14
7.9
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 290
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
55
Resilience: Unit (Modulus of Resilience), kJ/m3 440
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 28
37
Strength to Weight: Bending, points 24
40
Thermal Diffusivity, mm2/s 2.7
58
Thermal Shock Resistance, points 29
18

Alloy Composition

Aluminum (Al), % 0 to 0.4
90.9 to 95.2
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 20 to 23
0 to 0.1
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
3.9 to 5.0
Iron (Fe), % 0 to 5.0
0 to 1.0
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0 to 0.5
0.4 to 1.2
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.8
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0.5 to 1.2
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15