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238.0 Aluminum vs. Nickel 690

238.0 aluminum belongs to the aluminum alloys classification, while nickel 690 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 238.0 aluminum and the bottom bar is nickel 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
200
Elongation at Break, % 1.5
3.4 to 34
Fatigue Strength, MPa 110
180 to 300
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 210
640 to 990
Tensile Strength: Yield (Proof), MPa 170
250 to 760

Thermal Properties

Latent Heat of Fusion, J/g 430
320
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 600
1380
Melting Onset (Solidus), °C 510
1340
Specific Heat Capacity, J/kg-K 840
470
Thermal Conductivity, W/m-K 100
14
Thermal Expansion, µm/m-K 21
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 67
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
50
Density, g/cm3 3.4
8.3
Embodied Carbon, kg CO2/kg material 7.4
8.2
Embodied Energy, MJ/kg 140
120
Embodied Water, L/kg 1040
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.9
31 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160 to 1440
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 42
24
Strength to Weight: Axial, points 17
21 to 33
Strength to Weight: Bending, points 23
20 to 27
Thermal Diffusivity, mm2/s 37
3.5
Thermal Shock Resistance, points 9.1
16 to 25

Alloy Composition

Aluminum (Al), % 81.9 to 84.9
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 9.5 to 10.5
0 to 0.5
Iron (Fe), % 1.0 to 1.5
7.0 to 11
Magnesium (Mg), % 0 to 0.25
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
58 to 66
Silicon (Si), % 3.6 to 4.4
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 1.0 to 1.5
0