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A242.0 Aluminum vs. Nickel 690

A242.0 aluminum belongs to the aluminum alloys classification, while nickel 690 belongs to the nickel 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 A242.0 aluminum and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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