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7020 Aluminum vs. N06230 Nickel

7020 aluminum belongs to the aluminum alloys classification, while N06230 nickel 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 7020 aluminum and the bottom bar is N06230 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 8.4 to 14
38 to 48
Fatigue Strength, MPa 110 to 130
250 to 360
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
83
Shear Strength, MPa 110 to 230
420 to 600
Tensile Strength: Ultimate (UTS), MPa 190 to 390
620 to 840
Tensile Strength: Yield (Proof), MPa 120 to 310
330 to 400

Thermal Properties

Latent Heat of Fusion, J/g 380
310
Maximum Temperature: Mechanical, °C 210
990
Melting Completion (Liquidus), °C 650
1370
Melting Onset (Solidus), °C 610
1300
Specific Heat Capacity, J/kg-K 880
420
Thermal Conductivity, W/m-K 150
8.9
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
85
Density, g/cm3 2.9
9.5
Embodied Carbon, kg CO2/kg material 8.3
11
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1150
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
200 to 330
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
250 to 380
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 47
21
Strength to Weight: Axial, points 18 to 37
18 to 25
Strength to Weight: Bending, points 25 to 41
17 to 21
Thermal Diffusivity, mm2/s 59
2.3
Thermal Shock Resistance, points 8.3 to 17
17 to 23

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0.2 to 0.5
Boron (B), % 0
0 to 0.015
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0.1 to 0.35
20 to 24
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.4
0 to 3.0
Lanthanum (La), % 0
0.0050 to 0.050
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0.3 to 1.0
Molybdenum (Mo), % 0
1.0 to 3.0
Nickel (Ni), % 0
47.5 to 65.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.35
0.25 to 0.75
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Tungsten (W), % 0
13 to 15
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0 to 0.15
0