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5449 Aluminum vs. Nickel 908

5449 aluminum belongs to the aluminum alloys classification, while nickel 908 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 5449 aluminum and the bottom bar is nickel 908.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
180
Elongation at Break, % 4.0 to 17
11
Fatigue Strength, MPa 78 to 120
450
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
70
Shear Strength, MPa 130 to 190
800
Tensile Strength: Ultimate (UTS), MPa 210 to 330
1340
Tensile Strength: Yield (Proof), MPa 91 to 260
930

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 190
920
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 900
460
Thermal Conductivity, W/m-K 140
11
Thermal Expansion, µm/m-K 23
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
50
Density, g/cm3 2.8
8.3
Embodied Carbon, kg CO2/kg material 8.5
9.3
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
140
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
2340
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 22 to 33
45
Strength to Weight: Bending, points 29 to 39
33
Thermal Diffusivity, mm2/s 56
2.9
Thermal Shock Resistance, points 9.4 to 15
61

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0.75 to 1.3
Boron (B), % 0
0 to 0.012
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.3
3.8 to 4.5
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 0 to 0.7
35.6 to 44.6
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0 to 1.0
Nickel (Ni), % 0
47 to 51
Niobium (Nb), % 0
2.7 to 3.3
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0 to 0.1
1.2 to 1.8
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0