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EN 2.4851 Nickel vs. 7108A Aluminum

EN 2.4851 nickel belongs to the nickel alloys classification, while 7108A aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 EN 2.4851 nickel and the bottom bar is 7108A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 34
11 to 13
Fatigue Strength, MPa 170
120 to 130
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 430
210
Tensile Strength: Ultimate (UTS), MPa 650
350
Tensile Strength: Yield (Proof), MPa 230
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 320
380
Maximum Temperature: Mechanical, °C 1200
210
Melting Completion (Liquidus), °C 1360
630
Melting Onset (Solidus), °C 1310
520
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 11
150
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
36
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 49
10
Density, g/cm3 8.2
2.9
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 280
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
38 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 130
610 to 640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
47
Strength to Weight: Axial, points 22
33 to 34
Strength to Weight: Bending, points 20
38
Thermal Diffusivity, mm2/s 2.9
59
Thermal Shock Resistance, points 17
15 to 16

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
91.6 to 94.4
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.030 to 0.1
0
Chromium (Cr), % 21 to 25
0 to 0.040
Copper (Cu), % 0 to 0.5
0 to 0.050
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 7.7 to 18
0 to 0.3
Magnesium (Mg), % 0
0.7 to 1.5
Manganese (Mn), % 0 to 1.0
0 to 0.050
Nickel (Ni), % 58 to 63
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.5
0 to 0.030
Zinc (Zn), % 0
4.8 to 5.8
Zirconium (Zr), % 0
0.15 to 0.25
Residuals, % 0
0 to 0.15