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7108 Aluminum vs. Nickel 333

7108 aluminum belongs to the aluminum alloys classification, while nickel 333 belongs to the nickel alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 7108 aluminum and the bottom bar is nickel 333.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
210
Elongation at Break, % 11
34
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
81
Shear Strength, MPa 210
420
Tensile Strength: Ultimate (UTS), MPa 350
630
Tensile Strength: Yield (Proof), MPa 290
270

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 210
1010
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 530
1410
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 150
11
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.9
8.5
Embodied Carbon, kg CO2/kg material 8.3
8.5
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1150
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
170
Resilience: Unit (Modulus of Resilience), kJ/m3 620
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 34
21
Strength to Weight: Bending, points 38
19
Thermal Diffusivity, mm2/s 59
2.9
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
24 to 27
Cobalt (Co), % 0
2.5 to 4.0
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.1
9.3 to 24.5
Magnesium (Mg), % 0.7 to 1.4
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 4.0
Nickel (Ni), % 0
44 to 48
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
2.5 to 4.0
Zinc (Zn), % 4.5 to 5.5
0
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0 to 0.15
0