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Nickel 689 vs. 444.0 Aluminum

Nickel 689 belongs to the nickel alloys classification, while 444.0 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 444.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
50
Elastic (Young's, Tensile) Modulus, GPa 210
71
Elongation at Break, % 23
25
Fatigue Strength, MPa 420
51
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
27
Tensile Strength: Ultimate (UTS), MPa 1250
190
Tensile Strength: Yield (Proof), MPa 690
83

Thermal Properties

Latent Heat of Fusion, J/g 330
500
Maximum Temperature: Mechanical, °C 990
170
Melting Completion (Liquidus), °C 1440
610
Melting Onset (Solidus), °C 1390
600
Specific Heat Capacity, J/kg-K 450
900
Thermal Expansion, µm/m-K 12
22

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.5
2.6
Embodied Carbon, kg CO2/kg material 11
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 330
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
39
Resilience: Unit (Modulus of Resilience), kJ/m3 1170
49
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 23
53
Strength to Weight: Axial, points 41
20
Strength to Weight: Bending, points 30
28
Thermal Shock Resistance, points 35
8.8

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
90.5 to 93.5
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
0 to 0.25
Iron (Fe), % 0 to 5.0
0 to 0.6
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.35
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
6.5 to 7.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 2.3 to 2.8
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15