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Nickel 690 vs. 7005 Aluminum

Nickel 690 belongs to the nickel alloys classification, while 7005 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 nickel 690 and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 3.4 to 34
10 to 20
Fatigue Strength, MPa 180 to 300
100 to 190
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
120 to 230
Tensile Strength: Ultimate (UTS), MPa 640 to 990
200 to 400
Tensile Strength: Yield (Proof), MPa 250 to 760
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
380
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1340
610
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 14
140 to 170
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.3
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
65 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 21 to 33
19 to 38
Strength to Weight: Bending, points 20 to 27
26 to 41
Thermal Diffusivity, mm2/s 3.5
54 to 65
Thermal Shock Resistance, points 16 to 25
8.7 to 18

Alloy Composition

Aluminum (Al), % 0
91 to 94.7
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0.060 to 0.2
Copper (Cu), % 0 to 0.5
0 to 0.1
Iron (Fe), % 7.0 to 11
0 to 0.4
Magnesium (Mg), % 0
1.0 to 1.8
Manganese (Mn), % 0 to 0.5
0.2 to 0.7
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0 to 0.35
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.010 to 0.060
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants