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2618A Aluminum vs. C76200 Nickel Silver

2618A aluminum belongs to the aluminum alloys classification, while C76200 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 2618A aluminum and the bottom bar is C76200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 440
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 670
1030
Melting Onset (Solidus), °C 560
980
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
45
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
29
Density, g/cm3 3.0
8.2
Embodied Carbon, kg CO2/kg material 8.4
3.6
Embodied Energy, MJ/kg 150
57
Embodied Water, L/kg 1150
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 47
20
Strength to Weight: Axial, points 41
13 to 27
Strength to Weight: Bending, points 44
14 to 23
Thermal Diffusivity, mm2/s 59
14
Thermal Shock Resistance, points 19
13 to 26

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Copper (Cu), % 1.8 to 2.7
57 to 61
Iron (Fe), % 0.9 to 1.4
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0 to 0.5
Nickel (Ni), % 0.8 to 1.4
11 to 13.5
Silicon (Si), % 0.15 to 0.25
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
24.2 to 32
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.5