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5049 Aluminum vs. Grade CY40 Nickel

5049 aluminum belongs to the aluminum alloys classification, while grade CY40 nickel belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 5049 aluminum and the bottom bar is grade CY40 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 2.0 to 18
34
Fatigue Strength, MPa 79 to 130
160
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
74
Tensile Strength: Ultimate (UTS), MPa 210 to 330
540
Tensile Strength: Yield (Proof), MPa 91 to 280
220

Thermal Properties

Latent Heat of Fusion, J/g 400
330
Maximum Temperature: Mechanical, °C 190
960
Melting Completion (Liquidus), °C 650
1350
Melting Onset (Solidus), °C 620
1300
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
14
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 110
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
55
Density, g/cm3 2.7
8.4
Embodied Carbon, kg CO2/kg material 8.5
9.1
Embodied Energy, MJ/kg 150
130
Embodied Water, L/kg 1180
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.0 to 31
150
Resilience: Unit (Modulus of Resilience), kJ/m3 59 to 570
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
23
Strength to Weight: Axial, points 22 to 34
18
Strength to Weight: Bending, points 29 to 39
18
Thermal Diffusivity, mm2/s 56
3.7
Thermal Shock Resistance, points 9.3 to 15
16

Alloy Composition

Aluminum (Al), % 94.7 to 97.9
0
Carbon (C), % 0
0 to 0.4
Chromium (Cr), % 0 to 0.3
14 to 17
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
0 to 11
Magnesium (Mg), % 1.6 to 2.5
0
Manganese (Mn), % 0.5 to 1.1
0 to 1.5
Nickel (Ni), % 0
67 to 86
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 3.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0