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5449 Aluminum vs. EN 2.4642 Nickel

5449 aluminum belongs to the aluminum alloys classification, while EN 2.4642 nickel belongs to the nickel 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 5449 aluminum and the bottom bar is EN 2.4642 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 4.0 to 17
34
Fatigue Strength, MPa 78 to 120
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 130 to 190
450
Tensile Strength: Ultimate (UTS), MPa 210 to 330
670
Tensile Strength: Yield (Proof), MPa 91 to 260
270

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 190
1010
Melting Completion (Liquidus), °C 650
1360
Melting Onset (Solidus), °C 590
1320
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
12
Thermal Expansion, µm/m-K 23
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.6

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
8.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 1180
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
180
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 22 to 33
23
Strength to Weight: Bending, points 29 to 39
21
Thermal Diffusivity, mm2/s 56
3.1
Thermal Shock Resistance, points 9.4 to 15
18

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0 to 0.5
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.3
27 to 31
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 0 to 0.7
7.0 to 11
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
0 to 0.5
Nickel (Ni), % 0
55.9 to 66
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0