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2618 Aluminum vs. EN 2.4851 Nickel

2618 aluminum belongs to the aluminum alloys classification, while EN 2.4851 nickel belongs to the nickel 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 2618 aluminum and the bottom bar is EN 2.4851 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.8
34
Fatigue Strength, MPa 110
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 260
430
Tensile Strength: Ultimate (UTS), MPa 420
650
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 210
1200
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 550
1310
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 160
11
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
49
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
170
Resilience: Unit (Modulus of Resilience), kJ/m3 850
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 40
22
Strength to Weight: Bending, points 42
20
Thermal Diffusivity, mm2/s 62
2.9
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 92.4 to 94.9
1.0 to 1.7
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0.030 to 0.1
Chromium (Cr), % 0
21 to 25
Copper (Cu), % 1.9 to 2.7
0 to 0.5
Iron (Fe), % 0.9 to 1.3
7.7 to 18
Magnesium (Mg), % 1.3 to 1.8
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.9 to 1.2
58 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0.1 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.040 to 0.1
0 to 0.5
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0