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C75700 Nickel Silver vs. 2218 Aluminum

C75700 nickel silver belongs to the copper alloys classification, while 2218 aluminum belongs to the aluminum 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 C75700 nickel silver and the bottom bar is 2218 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
73
Elongation at Break, % 3.2 to 22
6.8 to 10
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
27
Shear Strength, MPa 350 to 370
210 to 250
Tensile Strength: Ultimate (UTS), MPa 590 to 610
330 to 430
Tensile Strength: Yield (Proof), MPa 470 to 580
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 200
390
Maximum Temperature: Mechanical, °C 180
220
Melting Completion (Liquidus), °C 1040
640
Melting Onset (Solidus), °C 990
510
Specific Heat Capacity, J/kg-K 390
870
Thermal Conductivity, W/m-K 40
140
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
37
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 30
11
Density, g/cm3 8.4
3.1
Embodied Carbon, kg CO2/kg material 3.6
8.2
Embodied Energy, MJ/kg 56
150
Embodied Water, L/kg 310
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
27 to 31
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
450 to 650
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 19 to 20
30 to 39
Strength to Weight: Bending, points 19
34 to 41
Thermal Diffusivity, mm2/s 12
52
Thermal Shock Resistance, points 22 to 23
15 to 19

Alloy Composition

Aluminum (Al), % 0
88.8 to 93.6
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 63.5 to 66.5
3.5 to 4.5
Iron (Fe), % 0 to 0.25
0 to 1.0
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 0.5
0 to 0.2
Nickel (Ni), % 11 to 13
1.7 to 2.3
Silicon (Si), % 0
0 to 0.9
Zinc (Zn), % 19.2 to 25.5
0 to 0.25
Residuals, % 0 to 0.5
0 to 0.15