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2124 Aluminum vs. C79200 Nickel Silver

2124 aluminum belongs to the aluminum alloys classification, while C79200 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 2124 aluminum and the bottom bar is C79200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
44
Tensile Strength: Ultimate (UTS), MPa 490
480 to 540

Thermal Properties

Latent Heat of Fusion, J/g 390
190
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
950
Melting Onset (Solidus), °C 500
910
Specific Heat Capacity, J/kg-K 880
390
Thermal Conductivity, W/m-K 150
42
Thermal Expansion, µm/m-K 23
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
28
Electrical Conductivity: Equal Weight (Specific), % IACS 110
30

Otherwise Unclassified Properties

Base Metal Price, % relative 10
30
Density, g/cm3 3.0
8.4
Embodied Carbon, kg CO2/kg material 8.2
3.6
Embodied Energy, MJ/kg 150
56
Embodied Water, L/kg 1150
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 46
19
Strength to Weight: Axial, points 45
16 to 18
Strength to Weight: Bending, points 46
16 to 18
Thermal Diffusivity, mm2/s 58
13
Thermal Shock Resistance, points 21
16 to 18

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
59 to 66.5
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0
0.8 to 1.4
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0.3 to 0.9
0 to 0.5
Nickel (Ni), % 0
11 to 13
Silicon (Si), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
17.9 to 29.2
Residuals, % 0
0 to 0.5