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Nickel 690 vs. A357.0 Aluminum

Nickel 690 belongs to the nickel alloys classification, while A357.0 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 A357.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
100
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 3.4 to 34
3.7
Fatigue Strength, MPa 180 to 300
100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 420 to 570
240
Tensile Strength: Ultimate (UTS), MPa 640 to 990
350
Tensile Strength: Yield (Proof), MPa 250 to 760
270

Thermal Properties

Latent Heat of Fusion, J/g 320
500
Maximum Temperature: Mechanical, °C 1010
170
Melting Completion (Liquidus), °C 1380
610
Melting Onset (Solidus), °C 1340
560
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 14
160
Thermal Expansion, µm/m-K 14
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
40
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
140

Otherwise Unclassified Properties

Base Metal Price, % relative 50
12
Density, g/cm3 8.3
2.6
Embodied Carbon, kg CO2/kg material 8.2
8.2
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
12
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
520
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
53
Strength to Weight: Axial, points 21 to 33
38
Strength to Weight: Bending, points 20 to 27
43
Thermal Diffusivity, mm2/s 3.5
68
Thermal Shock Resistance, points 16 to 25
17

Alloy Composition

Aluminum (Al), % 0
90.8 to 93
Beryllium (Be), % 0
0.040 to 0.070
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 27 to 31
0
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 7.0 to 11
0 to 0.2
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
6.5 to 7.5
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0.040 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15