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Nickel 690 vs. 5457 Aluminum

Nickel 690 belongs to the nickel alloys classification, while 5457 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 690 and the bottom bar is 5457 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
32 to 55
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 3.4 to 34
6.0 to 22
Fatigue Strength, MPa 180 to 300
55 to 98
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
85 to 130
Tensile Strength: Ultimate (UTS), MPa 640 to 990
130 to 210
Tensile Strength: Yield (Proof), MPa 250 to 760
50 to 190

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1010
180
Melting Completion (Liquidus), °C 1380
660
Melting Onset (Solidus), °C 1340
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 14
180
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
46
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
150

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.3
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.4
Embodied Energy, MJ/kg 120
160
Embodied Water, L/kg 290
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
18 to 250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21 to 33
13 to 21
Strength to Weight: Bending, points 20 to 27
21 to 28
Thermal Diffusivity, mm2/s 3.5
72
Thermal Shock Resistance, points 16 to 25
5.7 to 9.0

Alloy Composition

Aluminum (Al), % 0
97.8 to 99.05
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 7.0 to 11
0 to 0.1
Magnesium (Mg), % 0
0.8 to 1.2
Manganese (Mn), % 0 to 0.5
0.15 to 0.45
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1

Comparable Variants