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5449 Aluminum vs. C79600 Nickel Silver

5449 aluminum belongs to the aluminum alloys classification, while C79600 nickel silver belongs to the copper 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 5449 aluminum and the bottom bar is C79600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 4.0 to 17
15
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 26
43
Shear Strength, MPa 130 to 190
290
Tensile Strength: Ultimate (UTS), MPa 210 to 330
480
Tensile Strength: Yield (Proof), MPa 91 to 260
300

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 190
130
Melting Completion (Liquidus), °C 650
930
Melting Onset (Solidus), °C 590
880
Specific Heat Capacity, J/kg-K 900
390
Thermal Conductivity, W/m-K 140
36
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
25
Density, g/cm3 2.8
7.9
Embodied Carbon, kg CO2/kg material 8.5
3.5
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 29
63
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 480
400
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 50
20
Strength to Weight: Axial, points 22 to 33
17
Strength to Weight: Bending, points 29 to 39
17
Thermal Diffusivity, mm2/s 56
12
Thermal Shock Resistance, points 9.4 to 15
15

Alloy Composition

Aluminum (Al), % 94.1 to 97.8
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.3
43.5 to 46.5
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 0
0.8 to 1.2
Magnesium (Mg), % 1.6 to 2.6
0
Manganese (Mn), % 0.6 to 1.1
1.5 to 2.5
Nickel (Ni), % 0
9.0 to 11
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.3
38.3 to 45.2
Residuals, % 0
0 to 0.5