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C97800 Nickel Silver vs. 7178 Aluminum

C97800 nickel silver belongs to the copper alloys classification, while 7178 aluminum belongs to the aluminum alloys. There are 28 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 C97800 nickel silver and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
71
Elongation at Break, % 10
4.5 to 12
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 48
27
Tensile Strength: Ultimate (UTS), MPa 370
240 to 640
Tensile Strength: Yield (Proof), MPa 170
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 220
370
Maximum Temperature: Mechanical, °C 230
180
Melting Completion (Liquidus), °C 1180
630
Melting Onset (Solidus), °C 1140
480
Specific Heat Capacity, J/kg-K 390
860
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
31
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
91

Otherwise Unclassified Properties

Base Metal Price, % relative 40
10
Density, g/cm3 8.8
3.1
Embodied Carbon, kg CO2/kg material 5.1
8.2
Embodied Energy, MJ/kg 76
150
Embodied Water, L/kg 330
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 120
110 to 2220
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 19
45
Strength to Weight: Axial, points 12
21 to 58
Strength to Weight: Bending, points 13
28 to 54
Thermal Diffusivity, mm2/s 7.3
47
Thermal Shock Resistance, points 13
10 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.0050
85.4 to 89.5
Antimony (Sb), % 0 to 0.2
0
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 64 to 67
1.6 to 2.4
Iron (Fe), % 0 to 1.5
0 to 0.5
Lead (Pb), % 1.0 to 2.5
0
Magnesium (Mg), % 0
2.4 to 3.1
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 5.5
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 1.0 to 4.0
6.3 to 7.3
Residuals, % 0
0 to 0.15