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A390.0-F Aluminum vs. As-fabricated Nickel 718

A390.0-F aluminum belongs to the aluminum alloys classification, while as-fabricated nickel 718 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 A390.0-F aluminum and the bottom bar is as-fabricated nickel 718.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
190
Elongation at Break, % 0.91
50
Fatigue Strength, MPa 70
460
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
75
Tensile Strength: Ultimate (UTS), MPa 220
930
Tensile Strength: Yield (Proof), MPa 210
510

Thermal Properties

Latent Heat of Fusion, J/g 640
310
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 580
1340
Melting Onset (Solidus), °C 480
1260
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 130
11
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 67
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 2.7
8.3
Embodied Carbon, kg CO2/kg material 7.3
13
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 950
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
390
Resilience: Unit (Modulus of Resilience), kJ/m3 280
660
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
23
Strength to Weight: Axial, points 23
31
Strength to Weight: Bending, points 30
25
Thermal Diffusivity, mm2/s 56
3.0
Thermal Shock Resistance, points 10
27

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0.2 to 0.8
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 21
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 4.0 to 5.0
0 to 0.3
Iron (Fe), % 0 to 0.5
11.1 to 24.6
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 16 to 18
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0.65 to 1.2
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.2
0