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Grade N12MV Nickel vs. 7021 Aluminum

Grade N12MV nickel belongs to the nickel alloys classification, while 7021 aluminum belongs to the aluminum 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 grade N12MV nickel and the bottom bar is 7021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
69
Elongation at Break, % 6.8
9.4
Fatigue Strength, MPa 130
150
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 84
26
Tensile Strength: Ultimate (UTS), MPa 600
460
Tensile Strength: Yield (Proof), MPa 310
390

Thermal Properties

Latent Heat of Fusion, J/g 320
380
Maximum Temperature: Mechanical, °C 900
200
Melting Completion (Liquidus), °C 1620
630
Melting Onset (Solidus), °C 1570
510
Specific Heat Capacity, J/kg-K 390
870
Thermal Expansion, µm/m-K 10
24

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 9.2
2.9
Embodied Carbon, kg CO2/kg material 16
8.3
Embodied Energy, MJ/kg 200
150
Embodied Water, L/kg 260
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
41
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
47
Strength to Weight: Axial, points 18
44
Strength to Weight: Bending, points 17
45
Thermal Shock Resistance, points 19
20

Alloy Composition

Aluminum (Al), % 0
90.7 to 93.7
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 0 to 1.0
0 to 0.050
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 4.0 to 6.0
0 to 0.4
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 26 to 30
0
Nickel (Ni), % 60.2 to 69.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0.2 to 0.6
0
Zinc (Zn), % 0
5.0 to 6.0
Zirconium (Zr), % 0
0.080 to 0.18
Residuals, % 0
0 to 0.15