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Nickel 690 vs. A242.0 Aluminum

Nickel 690 belongs to the nickel alloys classification, while A242.0 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, 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 A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
75
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 3.4 to 34
1.6
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 640 to 990
220

Thermal Properties

Latent Heat of Fusion, J/g 320
390
Maximum Temperature: Mechanical, °C 1010
210
Melting Completion (Liquidus), °C 1380
680
Melting Onset (Solidus), °C 1340
550
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 14
140
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
37
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 50
12
Density, g/cm3 8.3
3.1
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1130

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
45
Strength to Weight: Axial, points 21 to 33
20
Strength to Weight: Bending, points 20 to 27
26
Thermal Diffusivity, mm2/s 3.5
52
Thermal Shock Resistance, points 16 to 25
9.3

Alloy Composition

Aluminum (Al), % 0
89.3 to 93.1
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0.15 to 0.25
Copper (Cu), % 0 to 0.5
3.7 to 4.5
Iron (Fe), % 7.0 to 11
0 to 0.8
Magnesium (Mg), % 0
1.2 to 1.7
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 58 to 66
1.8 to 2.3
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.070 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15