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7010 Aluminum vs. Nickel 22

7010 aluminum belongs to the aluminum alloys classification, while nickel 22 belongs to the nickel alloys. 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 7010 aluminum and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
220
Elongation at Break, % 3.9 to 6.8
49
Fatigue Strength, MPa 160 to 190
330
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
84
Shear Strength, MPa 300 to 340
560
Tensile Strength: Ultimate (UTS), MPa 520 to 590
790
Tensile Strength: Yield (Proof), MPa 410 to 540
360

Thermal Properties

Latent Heat of Fusion, J/g 380
320
Maximum Temperature: Mechanical, °C 200
990
Melting Completion (Liquidus), °C 630
1390
Melting Onset (Solidus), °C 480
1360
Specific Heat Capacity, J/kg-K 860
430
Thermal Conductivity, W/m-K 150
10
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
70
Density, g/cm3 3.0
8.9
Embodied Carbon, kg CO2/kg material 8.3
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22 to 33
320
Resilience: Unit (Modulus of Resilience), kJ/m3 1230 to 2130
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
22
Strength to Weight: Axial, points 47 to 54
25
Strength to Weight: Bending, points 47 to 52
21
Thermal Diffusivity, mm2/s 58
2.7
Thermal Shock Resistance, points 22 to 26
24

Alloy Composition

Aluminum (Al), % 87.9 to 90.6
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.050
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 1.5 to 2.0
0
Iron (Fe), % 0 to 0.15
2.0 to 6.0
Magnesium (Mg), % 2.1 to 2.6
0
Manganese (Mn), % 0 to 0.1
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.050
50.8 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.12
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.060
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 5.7 to 6.7
0
Zirconium (Zr), % 0.1 to 0.16
0
Residuals, % 0 to 0.15
0