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C355.0 Aluminum vs. Nickel 686

C355.0 aluminum belongs to the aluminum alloys classification, while nickel 686 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 C355.0 aluminum and the bottom bar is nickel 686.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Elongation at Break, % 2.7 to 3.8
51
Fatigue Strength, MPa 76 to 84
410
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 290 to 310
780
Tensile Strength: Yield (Proof), MPa 200 to 230
350

Thermal Properties

Latent Heat of Fusion, J/g 470
320
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 620
1380
Melting Onset (Solidus), °C 570
1340
Specific Heat Capacity, J/kg-K 900
420
Thermal Conductivity, W/m-K 150
9.8
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 2.7
9.0
Embodied Carbon, kg CO2/kg material 8.0
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.5 to 9.8
320
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 380
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
22
Strength to Weight: Axial, points 30 to 32
24
Strength to Weight: Bending, points 36 to 37
21
Thermal Diffusivity, mm2/s 60
2.6
Thermal Shock Resistance, points 13 to 14
21

Alloy Composition

Aluminum (Al), % 91.7 to 94.1
0
Carbon (C), % 0
0 to 0.010
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 1.0 to 1.5
0
Iron (Fe), % 0 to 0.2
0 to 5.0
Magnesium (Mg), % 0.4 to 0.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.75
Molybdenum (Mo), % 0
15 to 17
Nickel (Ni), % 0
49.5 to 63
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 4.5 to 5.5
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.2
0.020 to 0.25
Tungsten (W), % 0
3.0 to 4.4
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0