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5051A Aluminum vs. N06985 Nickel

5051A aluminum belongs to the aluminum alloys classification, while N06985 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 5051A aluminum and the bottom bar is N06985 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
210
Elongation at Break, % 18 to 21
45
Fatigue Strength, MPa 51 to 61
220
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
80
Shear Strength, MPa 110
480
Tensile Strength: Ultimate (UTS), MPa 170
690
Tensile Strength: Yield (Proof), MPa 56
260

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 190
990
Melting Completion (Liquidus), °C 640
1350
Melting Onset (Solidus), °C 610
1260
Specific Heat Capacity, J/kg-K 900
450
Thermal Conductivity, W/m-K 150
10
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.5
8.8
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
250
Resilience: Unit (Modulus of Resilience), kJ/m3 23
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 17 to 18
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 63
2.6
Thermal Shock Resistance, points 7.6
16

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.3
21 to 23.5
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.050
1.5 to 2.5
Iron (Fe), % 0 to 0.45
18 to 21
Magnesium (Mg), % 1.4 to 2.1
0
Manganese (Mn), % 0 to 0.25
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
35.9 to 53.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
0 to 1.5
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0