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2007 Aluminum vs. Nickel 22

2007 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 2007 aluminum and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
220
Elongation at Break, % 5.6 to 8.0
49
Fatigue Strength, MPa 91 to 110
330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
84
Shear Strength, MPa 220 to 250
560
Tensile Strength: Ultimate (UTS), MPa 370 to 420
790
Tensile Strength: Yield (Proof), MPa 240 to 270
360

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 190
990
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 510
1360
Specific Heat Capacity, J/kg-K 870
430
Thermal Conductivity, W/m-K 130
10
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
70
Density, g/cm3 3.1
8.9
Embodied Carbon, kg CO2/kg material 8.0
12
Embodied Energy, MJ/kg 150
170
Embodied Water, L/kg 1130
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
320
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
22
Strength to Weight: Axial, points 33 to 38
25
Strength to Weight: Bending, points 37 to 40
21
Thermal Diffusivity, mm2/s 48
2.7
Thermal Shock Resistance, points 16 to 19
24

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0 to 0.1
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 3.3 to 4.6
0
Iron (Fe), % 0 to 0.8
2.0 to 6.0
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0 to 0.015
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0 to 0.2
50.8 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.8
0 to 0.080
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.3
0