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Nickel 689 vs. 238.0 Aluminum

Nickel 689 belongs to the nickel alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 689 and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
76
Elongation at Break, % 23
1.5
Fatigue Strength, MPa 420
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
28
Tensile Strength: Ultimate (UTS), MPa 1250
210
Tensile Strength: Yield (Proof), MPa 690
170

Thermal Properties

Latent Heat of Fusion, J/g 330
430
Maximum Temperature: Mechanical, °C 990
170
Melting Completion (Liquidus), °C 1440
600
Melting Onset (Solidus), °C 1390
510
Specific Heat Capacity, J/kg-K 450
840
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 8.5
3.4
Embodied Carbon, kg CO2/kg material 11
7.4
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 330
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
180
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 23
42
Strength to Weight: Axial, points 41
17
Strength to Weight: Bending, points 30
23
Thermal Shock Resistance, points 35
9.1

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
81.9 to 84.9
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0
Chromium (Cr), % 18 to 20
0
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
9.5 to 10.5
Iron (Fe), % 0 to 5.0
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 9.0 to 10.5
0
Nickel (Ni), % 48.3 to 60.9
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
3.6 to 4.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.3 to 2.8
0
Zinc (Zn), % 0
1.0 to 1.5