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7022 Aluminum vs. Grade N12MV Nickel

7022 aluminum belongs to the aluminum alloys classification, while grade N12MV nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 7022 aluminum and the bottom bar is grade N12MV nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Elongation at Break, % 6.3 to 8.0
6.8
Fatigue Strength, MPa 140 to 170
130
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 26
84
Tensile Strength: Ultimate (UTS), MPa 490 to 540
600
Tensile Strength: Yield (Proof), MPa 390 to 460
310

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 640
1620
Melting Onset (Solidus), °C 480
1570
Specific Heat Capacity, J/kg-K 870
390
Thermal Expansion, µm/m-K 24
10

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 2.9
9.2
Embodied Carbon, kg CO2/kg material 8.5
16
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 1130
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
34
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
22
Strength to Weight: Axial, points 47 to 51
18
Strength to Weight: Bending, points 47 to 50
17
Thermal Shock Resistance, points 21 to 23
19

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0.1 to 0.3
0 to 1.0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 0 to 0.5
4.0 to 6.0
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Molybdenum (Mo), % 0
26 to 30
Nickel (Ni), % 0
60.2 to 69.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.2 to 0.6
Zinc (Zn), % 4.3 to 5.2
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0