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Nickel 690 vs. 5252 Aluminum

Nickel 690 belongs to the nickel alloys classification, while 5252 aluminum belongs to the aluminum 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 nickel 690 and the bottom bar is 5252 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
68 to 75
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 3.4 to 34
4.5 to 11
Fatigue Strength, MPa 180 to 300
100 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
25
Shear Strength, MPa 420 to 570
140 to 160
Tensile Strength: Ultimate (UTS), MPa 640 to 990
230 to 290
Tensile Strength: Yield (Proof), MPa 250 to 760
170 to 240

Thermal Properties

Latent Heat of Fusion, J/g 320
400
Maximum Temperature: Mechanical, °C 1010
180
Melting Completion (Liquidus), °C 1380
650
Melting Onset (Solidus), °C 1340
610
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 14
140
Thermal Expansion, µm/m-K 14
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
34
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
120

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
8.7
Embodied Energy, MJ/kg 120
160
Embodied Water, L/kg 290
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
12 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
210 to 430
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 21 to 33
23 to 30
Strength to Weight: Bending, points 20 to 27
31 to 36
Thermal Diffusivity, mm2/s 3.5
57
Thermal Shock Resistance, points 16 to 25
10 to 13

Alloy Composition

Aluminum (Al), % 0
96.6 to 97.8
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0 to 0.1
Iron (Fe), % 7.0 to 11
0 to 0.1
Magnesium (Mg), % 0
2.2 to 2.8
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.015
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.1