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Nickel 690 vs. EN AC-51500 Aluminum

Nickel 690 belongs to the nickel alloys classification, while EN AC-51500 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 EN AC-51500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
80
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 3.4 to 34
5.6
Fatigue Strength, MPa 180 to 300
120
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 640 to 990
280
Tensile Strength: Yield (Proof), MPa 250 to 760
160

Thermal Properties

Latent Heat of Fusion, J/g 320
430
Maximum Temperature: Mechanical, °C 1010
170
Melting Completion (Liquidus), °C 1380
630
Melting Onset (Solidus), °C 1340
590
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 14
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
26
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
88

Otherwise Unclassified Properties

Base Metal Price, % relative 50
9.5
Density, g/cm3 8.3
2.6
Embodied Carbon, kg CO2/kg material 8.2
9.0
Embodied Energy, MJ/kg 120
150
Embodied Water, L/kg 290
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 170
13
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 1440
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
52
Strength to Weight: Axial, points 21 to 33
29
Strength to Weight: Bending, points 20 to 27
36
Thermal Diffusivity, mm2/s 3.5
49
Thermal Shock Resistance, points 16 to 25
13

Alloy Composition

Aluminum (Al), % 0
89.8 to 93.1
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 to 0.25
Magnesium (Mg), % 0
4.7 to 6.0
Manganese (Mn), % 0 to 0.5
0.4 to 0.8
Nickel (Ni), % 58 to 66
0
Silicon (Si), % 0 to 0.5
1.8 to 2.6
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.15