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Nickel 690 vs. 5449 Aluminum

Nickel 690 belongs to the nickel alloys classification, while 5449 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 nickel 690 and the bottom bar is 5449 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 3.4 to 34
4.0 to 17
Fatigue Strength, MPa 180 to 300
78 to 120
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
130 to 190
Tensile Strength: Ultimate (UTS), MPa 640 to 990
210 to 330
Tensile Strength: Yield (Proof), MPa 250 to 760
91 to 260

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1010
190
Melting Completion (Liquidus), °C 1380
650
Melting Onset (Solidus), °C 1340
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 14
140
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
35
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.3
2.8
Embodied Carbon, kg CO2/kg material 8.2
8.5
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
12 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
60 to 480
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21 to 33
22 to 33
Strength to Weight: Bending, points 20 to 27
29 to 39
Thermal Diffusivity, mm2/s 3.5
56
Thermal Shock Resistance, points 16 to 25
9.4 to 15

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.8
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0 to 0.3
Copper (Cu), % 0 to 0.5
0 to 0.3
Iron (Fe), % 7.0 to 11
0 to 0.7
Magnesium (Mg), % 0
1.6 to 2.6
Manganese (Mn), % 0 to 0.5
0.6 to 1.1
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants