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7020 Aluminum vs. N07752 Nickel

7020 aluminum belongs to the aluminum alloys classification, while N07752 nickel belongs to the nickel alloys. There are 30 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 7020 aluminum and the bottom bar is N07752 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 8.4 to 14
22
Fatigue Strength, MPa 110 to 130
450
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 110 to 230
710
Tensile Strength: Ultimate (UTS), MPa 190 to 390
1120
Tensile Strength: Yield (Proof), MPa 120 to 310
740

Thermal Properties

Latent Heat of Fusion, J/g 380
310
Maximum Temperature: Mechanical, °C 210
960
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 610
1330
Specific Heat Capacity, J/kg-K 880
460
Thermal Conductivity, W/m-K 150
13
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
60
Density, g/cm3 2.9
8.4
Embodied Carbon, kg CO2/kg material 8.3
10
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
220
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
1450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 18 to 37
37
Strength to Weight: Bending, points 25 to 41
29
Thermal Diffusivity, mm2/s 59
3.2
Thermal Shock Resistance, points 8.3 to 17
34

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0.4 to 1.0
Boron (B), % 0
0 to 0.0070
Carbon (C), % 0
0.020 to 0.060
Chromium (Cr), % 0.1 to 0.35
14.5 to 17
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 0 to 0.4
5.0 to 9.0
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0 to 1.0
Nickel (Ni), % 0
70 to 77.1
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0
0 to 0.0080
Silicon (Si), % 0 to 0.35
0 to 0.5
Sulfur (S), % 0
0 to 0.0030
Titanium (Ti), % 0 to 0.25
2.3 to 2.8
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 4.0 to 5.0
0 to 0.050
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0 to 0.15
0