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Nickel 690 vs. A206.0 Aluminum

Nickel 690 belongs to the nickel alloys classification, while A206.0 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 A206.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
100 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 3.4 to 34
4.2 to 10
Fatigue Strength, MPa 180 to 300
90 to 180
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
260
Tensile Strength: Ultimate (UTS), MPa 640 to 990
390 to 440
Tensile Strength: Yield (Proof), MPa 250 to 760
250 to 380

Thermal Properties

Latent Heat of Fusion, J/g 320
390
Maximum Temperature: Mechanical, °C 1010
170
Melting Completion (Liquidus), °C 1380
670
Melting Onset (Solidus), °C 1340
550
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 14
130
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
30
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
90

Otherwise Unclassified Properties

Base Metal Price, % relative 50
11
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
16 to 37
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
440 to 1000
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 21 to 33
36 to 41
Strength to Weight: Bending, points 20 to 27
39 to 43
Thermal Diffusivity, mm2/s 3.5
48
Thermal Shock Resistance, points 16 to 25
17 to 19

Alloy Composition

Aluminum (Al), % 0
93.9 to 95.7
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
4.2 to 5.0
Iron (Fe), % 7.0 to 11
0 to 0.1
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 58 to 66
0 to 0.050
Silicon (Si), % 0 to 0.5
0 to 0.050
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.3
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15