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Nickel 690 vs. 5657 Aluminum

Nickel 690 belongs to the nickel alloys classification, while 5657 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 5657 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
40 to 50
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 3.4 to 34
6.6 to 15
Fatigue Strength, MPa 180 to 300
74 to 88
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
92 to 110
Tensile Strength: Ultimate (UTS), MPa 640 to 990
150 to 200
Tensile Strength: Yield (Proof), MPa 250 to 760
140 to 170

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
640
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 14
210
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
54
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
180

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
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
9.7 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
140 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21 to 33
15 to 20
Strength to Weight: Bending, points 20 to 27
23 to 28
Thermal Diffusivity, mm2/s 3.5
84
Thermal Shock Resistance, points 16 to 25
6.7 to 8.6

Alloy Composition

Aluminum (Al), % 0
98.5 to 99.4
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0 to 0.1
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 7.0 to 11
0 to 0.1
Magnesium (Mg), % 0
0.6 to 1.0
Manganese (Mn), % 0 to 0.5
0 to 0.030
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 0.050