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7020 Aluminum vs. EN 2.4663 Nickel

7020 aluminum belongs to the aluminum alloys classification, while EN 2.4663 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 EN 2.4663 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 8.4 to 14
40
Fatigue Strength, MPa 110 to 130
250
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
81
Shear Strength, MPa 110 to 230
540
Tensile Strength: Ultimate (UTS), MPa 190 to 390
780
Tensile Strength: Yield (Proof), MPa 120 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 210
1010
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 610
1380
Specific Heat Capacity, J/kg-K 880
450
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
75
Density, g/cm3 2.9
8.6
Embodied Carbon, kg CO2/kg material 8.3
11
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 46
250
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 690
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
23
Strength to Weight: Axial, points 18 to 37
25
Strength to Weight: Bending, points 25 to 41
22
Thermal Diffusivity, mm2/s 59
3.5
Thermal Shock Resistance, points 8.3 to 17
22

Alloy Composition

Aluminum (Al), % 91.2 to 94.8
0.7 to 1.4
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0.050 to 0.1
Chromium (Cr), % 0.1 to 0.35
20 to 23
Cobalt (Co), % 0
11 to 14
Copper (Cu), % 0 to 0.2
0 to 0.5
Iron (Fe), % 0 to 0.4
0 to 2.0
Magnesium (Mg), % 1.0 to 1.4
0
Manganese (Mn), % 0.050 to 0.5
0 to 0.2
Molybdenum (Mo), % 0
8.5 to 10
Nickel (Ni), % 0
48 to 59.6
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.35
0 to 0.2
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.25
0.2 to 0.6
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0.080 to 0.25
0
Residuals, % 0 to 0.15
0