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7049 Aluminum vs. N06920 Nickel

7049 aluminum belongs to the aluminum alloys classification, while N06920 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 7049 aluminum and the bottom bar is N06920 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
210
Elongation at Break, % 6.2 to 7.0
39
Fatigue Strength, MPa 160 to 170
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
82
Shear Strength, MPa 300 to 310
500
Tensile Strength: Ultimate (UTS), MPa 510 to 530
730
Tensile Strength: Yield (Proof), MPa 420 to 450
270

Thermal Properties

Latent Heat of Fusion, J/g 370
320
Maximum Temperature: Mechanical, °C 180
990
Melting Completion (Liquidus), °C 640
1500
Melting Onset (Solidus), °C 480
1440
Specific Heat Capacity, J/kg-K 860
440
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 3.1
8.6
Embodied Carbon, kg CO2/kg material 8.1
9.4
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 1110
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
230
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
23
Strength to Weight: Axial, points 46 to 47
24
Strength to Weight: Bending, points 46 to 47
21
Thermal Diffusivity, mm2/s 51
2.8
Thermal Shock Resistance, points 22 to 23
19

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.1 to 0.22
20.5 to 23
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 1.2 to 1.9
0
Iron (Fe), % 0 to 0.35
17 to 20
Magnesium (Mg), % 2.0 to 2.9
0
Manganese (Mn), % 0 to 0.2
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0
36.9 to 53.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Tungsten (W), % 0
1.0 to 3.0
Zinc (Zn), % 7.2 to 8.2
0
Residuals, % 0 to 0.15
0