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Nickel 690 vs. 295.0 Aluminum

Nickel 690 belongs to the nickel alloys classification, while 295.0 aluminum belongs to the aluminum alloys. There are 31 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 nickel 690 and the bottom bar is 295.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
60 to 93
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 3.4 to 34
2.0 to 7.2
Fatigue Strength, MPa 180 to 300
44 to 55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Shear Strength, MPa 420 to 570
180 to 230
Tensile Strength: Ultimate (UTS), MPa 640 to 990
230 to 280
Tensile Strength: Yield (Proof), MPa 250 to 760
100 to 220

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1010
170
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1340
530
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 14
140
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
35
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
100

Otherwise Unclassified Properties

Base Metal Price, % relative 50
10
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 8.2
7.9
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
5.2 to 13
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
77 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 21 to 33
21 to 26
Strength to Weight: Bending, points 20 to 27
27 to 32
Thermal Diffusivity, mm2/s 3.5
54
Thermal Shock Resistance, points 16 to 25
9.8 to 12

Alloy Composition

Aluminum (Al), % 0
91.4 to 95.3
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
4.0 to 5.0
Iron (Fe), % 7.0 to 11
0 to 1.0
Magnesium (Mg), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.5
0 to 0.35
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0.7 to 1.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15