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Nickel 690 vs. 6101B Aluminum

Nickel 690 belongs to the nickel alloys classification, while 6101B aluminum belongs to the aluminum 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 nickel 690 and the bottom bar is 6101B aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 3.4 to 34
9.1 to 13
Fatigue Strength, MPa 180 to 300
62 to 70
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
120 to 150
Tensile Strength: Ultimate (UTS), MPa 640 to 990
190 to 250
Tensile Strength: Yield (Proof), MPa 250 to 760
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1010
160
Melting Completion (Liquidus), °C 1380
640
Melting Onset (Solidus), °C 1340
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 14
210
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
57
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
190

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.3
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
20 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
140 to 240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21 to 33
20 to 25
Strength to Weight: Bending, points 20 to 27
27 to 32
Thermal Diffusivity, mm2/s 3.5
87
Thermal Shock Resistance, points 16 to 25
8.5 to 11

Alloy Composition

Aluminum (Al), % 0
98.2 to 99.3
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0 to 0.050
Iron (Fe), % 7.0 to 11
0.1 to 0.3
Magnesium (Mg), % 0
0.35 to 0.6
Manganese (Mn), % 0 to 0.5
0 to 0.050
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1