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Nickel 686 vs. 5182 Aluminum

Nickel 686 belongs to the nickel alloys classification, while 5182 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 5182 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
68
Elongation at Break, % 51
1.1 to 12
Fatigue Strength, MPa 410
100 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 77
25
Shear Strength, MPa 560
170 to 240
Tensile Strength: Ultimate (UTS), MPa 780
280 to 420
Tensile Strength: Yield (Proof), MPa 350
130 to 360

Thermal Properties

Latent Heat of Fusion, J/g 320
390
Maximum Temperature: Mechanical, °C 980
180
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1340
590
Specific Heat Capacity, J/kg-K 420
900
Thermal Conductivity, W/m-K 9.8
130
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
94

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
2.6 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 280
120 to 950
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 22
51
Strength to Weight: Axial, points 24
29 to 44
Strength to Weight: Bending, points 21
36 to 47
Thermal Diffusivity, mm2/s 2.6
53
Thermal Shock Resistance, points 21
12 to 19

Alloy Composition

Aluminum (Al), % 0
93.2 to 95.8
Carbon (C), % 0 to 0.010
0
Chromium (Cr), % 19 to 23
0 to 0.1
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
0.2 to 0.5
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