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319.0 Aluminum vs. Nickel 718

319.0 aluminum belongs to the aluminum alloys classification, while nickel 718 belongs to the nickel alloys. There are 30 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 319.0 aluminum and the bottom bar is nickel 718.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.8 to 2.0
12 to 50
Fatigue Strength, MPa 76 to 80
460 to 760
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
75
Shear Strength, MPa 170 to 210
660 to 950
Tensile Strength: Ultimate (UTS), MPa 190 to 240
930 to 1530
Tensile Strength: Yield (Proof), MPa 110 to 180
510 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 480
310
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 600
1340
Melting Onset (Solidus), °C 540
1260
Specific Heat Capacity, J/kg-K 880
450
Thermal Conductivity, W/m-K 110
11
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 84
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
75
Density, g/cm3 2.9
8.3
Embodied Carbon, kg CO2/kg material 7.7
13
Embodied Energy, MJ/kg 140
190
Embodied Water, L/kg 1080
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
140 to 390
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
660 to 4560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
23
Strength to Weight: Axial, points 18 to 24
31 to 51
Strength to Weight: Bending, points 25 to 30
25 to 35
Thermal Diffusivity, mm2/s 44
3.0
Thermal Shock Resistance, points 8.6 to 11
27 to 44

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
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), % 3.0 to 4.0
0 to 0.3
Iron (Fe), % 0 to 1.0
11.1 to 24.6
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.35
Molybdenum (Mo), % 0
2.8 to 3.3
Nickel (Ni), % 0 to 0.35
50 to 55
Niobium (Nb), % 0
4.8 to 5.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 5.5 to 6.5
0 to 0.35
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0.65 to 1.2
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0

Comparable Variants