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851.0 Aluminum vs. Nickel 689

851.0 aluminum belongs to the aluminum alloys classification, while nickel 689 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 851.0 aluminum and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
210
Elongation at Break, % 3.9 to 9.1
23
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 130 to 140
1250

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 180
990
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 360
1390
Specific Heat Capacity, J/kg-K 850
450
Thermal Expansion, µm/m-K 23
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
70
Density, g/cm3 3.1
8.5
Embodied Carbon, kg CO2/kg material 8.4
11
Embodied Energy, MJ/kg 160
150
Embodied Water, L/kg 1140
330

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
23
Strength to Weight: Axial, points 12 to 13
41
Strength to Weight: Bending, points 19 to 20
30
Thermal Shock Resistance, points 6.1 to 6.3
35

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0
0.1 to 0.2
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
9.0 to 11
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.7
0 to 5.0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0.3 to 0.7
48.3 to 60.9
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 2.0 to 3.0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
2.3 to 2.8
Residuals, % 0 to 0.3
0