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Nickel 625 vs. 8079 Aluminum

Nickel 625 belongs to the nickel alloys classification, while 8079 aluminum belongs to the aluminum 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 nickel 625 and the bottom bar is 8079 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 33 to 34
2.2
Fatigue Strength, MPa 240 to 320
56
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 790 to 910
150
Tensile Strength: Yield (Proof), MPa 320 to 450
120

Thermal Properties

Latent Heat of Fusion, J/g 330
400
Maximum Temperature: Mechanical, °C 980
170
Melting Completion (Liquidus), °C 1350
650
Melting Onset (Solidus), °C 1290
640
Specific Heat Capacity, J/kg-K 440
900
Thermal Conductivity, W/m-K 11
230
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
58
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
190

Otherwise Unclassified Properties

Base Metal Price, % relative 80
9.0
Density, g/cm3 8.6
2.8
Embodied Carbon, kg CO2/kg material 14
8.2
Embodied Energy, MJ/kg 190
150
Embodied Water, L/kg 290
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
50
Strength to Weight: Axial, points 26 to 29
15
Strength to Weight: Bending, points 22 to 24
22
Thermal Diffusivity, mm2/s 2.9
92
Thermal Shock Resistance, points 22 to 25
6.4

Alloy Composition

Aluminum (Al), % 0 to 0.4
98.1 to 99.3
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 0 to 5.0
0.7 to 1.3
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0.050 to 0.3
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15