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Nickel 689 vs. 772.0 Aluminum

Nickel 689 belongs to the nickel alloys classification, while 772.0 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 772.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
69
Elongation at Break, % 23
6.3 to 8.4
Fatigue Strength, MPa 420
94 to 160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 1250
260 to 320
Tensile Strength: Yield (Proof), MPa 690
220 to 250

Thermal Properties

Latent Heat of Fusion, J/g 330
380
Maximum Temperature: Mechanical, °C 990
180
Melting Completion (Liquidus), °C 1440
630
Melting Onset (Solidus), °C 1390
580
Specific Heat Capacity, J/kg-K 450
870
Thermal Expansion, µm/m-K 12
24

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.5
3.0
Embodied Carbon, kg CO2/kg material 11
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 330
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
16 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
350 to 430
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
46
Strength to Weight: Axial, points 41
25 to 31
Strength to Weight: Bending, points 30
31 to 36
Thermal Shock Resistance, points 35
11 to 14

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
91.2 to 93.2
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.1 to 0.2
0
Chromium (Cr), % 18 to 20
0.060 to 0.2
Cobalt (Co), % 9.0 to 11
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 0 to 5.0
0 to 0.15
Magnesium (Mg), % 0
0.6 to 0.8
Manganese (Mn), % 0 to 0.5
0 to 0.1
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
0 to 0.15
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.3 to 2.8
0.1 to 0.2
Zinc (Zn), % 0
6.0 to 7.0
Residuals, % 0
0 to 0.15