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C77600 Nickel Silver vs. 7178 Aluminum

C77600 nickel silver belongs to the copper alloys classification, while 7178 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 C77600 nickel silver and the bottom bar is 7178 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 30
4.5 to 12
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 43
27
Shear Strength, MPa 410
140 to 380
Tensile Strength: Ultimate (UTS), MPa 630
240 to 640
Tensile Strength: Yield (Proof), MPa 320
120 to 560

Thermal Properties

Latent Heat of Fusion, J/g 180
370
Maximum Temperature: Mechanical, °C 140
180
Melting Completion (Liquidus), °C 830
630
Melting Onset (Solidus), °C 790
480
Specific Heat Capacity, J/kg-K 390
860
Thermal Expansion, µm/m-K 20
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
31
Electrical Conductivity: Equal Weight (Specific), % IACS 31
91

Otherwise Unclassified Properties

Base Metal Price, % relative 27
10
Density, g/cm3 7.9
3.1
Embodied Carbon, kg CO2/kg material 3.7
8.2
Embodied Energy, MJ/kg 60
150
Embodied Water, L/kg 310
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
24 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 470
110 to 2220
Stiffness to Weight: Axial, points 7.9
13
Stiffness to Weight: Bending, points 20
45
Strength to Weight: Axial, points 22
21 to 58
Strength to Weight: Bending, points 21
28 to 54
Thermal Shock Resistance, points 20
10 to 28

Alloy Composition

Aluminum (Al), % 0
85.4 to 89.5
Chromium (Cr), % 0
0.18 to 0.28
Copper (Cu), % 42 to 45
1.6 to 2.4
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0
2.4 to 3.1
Manganese (Mn), % 0 to 0.25
0 to 0.3
Nickel (Ni), % 12 to 14
0
Silicon (Si), % 0
0 to 0.4
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 39.7 to 46
6.3 to 7.3
Residuals, % 0
0 to 0.15