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Nickel 686 vs. 5082 Aluminum

Nickel 686 belongs to the nickel alloys classification, while 5082 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 nickel 686 and the bottom bar is 5082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
67
Elongation at Break, % 51
1.1
Fatigue Strength, MPa 410
110 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
25
Shear Strength, MPa 560
210 to 230
Tensile Strength: Ultimate (UTS), MPa 780
380 to 400
Tensile Strength: Yield (Proof), MPa 350
300 to 340

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 980
180
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1340
560
Specific Heat Capacity, J/kg-K 420
910
Thermal Conductivity, W/m-K 9.8
130
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
32
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
110

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 9.0
2.7
Embodied Carbon, kg CO2/kg material 12
8.9
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 300
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
4.0 to 4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 280
670 to 870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
51
Strength to Weight: Axial, points 24
39 to 41
Strength to Weight: Bending, points 21
43 to 45
Thermal Diffusivity, mm2/s 2.6
54
Thermal Shock Resistance, points 21
17 to 18

Alloy Composition

Aluminum (Al), % 0
93.5 to 96
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 19 to 23
0 to 0.15
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 0 to 5.0
0 to 0.35
Magnesium (Mg), % 0
4.0 to 5.0
Manganese (Mn), % 0 to 0.75
0 to 0.15
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.080
0 to 0.2
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0.020 to 0.25
0 to 0.1
Tungsten (W), % 3.0 to 4.4
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15