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EN 2.4856 Nickel vs. 2618 Aluminum

EN 2.4856 nickel belongs to the nickel alloys classification, while 2618 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 2618 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
120
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 28
5.8
Fatigue Strength, MPa 280
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 570
260
Tensile Strength: Ultimate (UTS), MPa 880
420
Tensile Strength: Yield (Proof), MPa 430
350

Thermal Properties

Latent Heat of Fusion, J/g 330
390
Maximum Temperature: Mechanical, °C 1000
210
Melting Completion (Liquidus), °C 1480
640
Melting Onset (Solidus), °C 1430
550
Specific Heat Capacity, J/kg-K 440
880
Thermal Conductivity, W/m-K 10
160
Thermal Expansion, µm/m-K 11
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
37
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
110

Otherwise Unclassified Properties

Base Metal Price, % relative 80
11
Density, g/cm3 8.6
2.9
Embodied Carbon, kg CO2/kg material 14
8.3
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 290
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
23
Resilience: Unit (Modulus of Resilience), kJ/m3 440
850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 28
40
Strength to Weight: Bending, points 24
42
Thermal Diffusivity, mm2/s 2.7
62
Thermal Shock Resistance, points 29
19

Alloy Composition

Aluminum (Al), % 0 to 0.4
92.4 to 94.9
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
1.9 to 2.7
Iron (Fe), % 0 to 5.0
0.9 to 1.3
Magnesium (Mg), % 0
1.3 to 1.8
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.8
0.9 to 1.2
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0.1 to 0.25
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0.040 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15