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C77000 Nickel Silver vs. C87700 Bronze

Both C77000 nickel silver and C87700 bronze are copper alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C77000 nickel silver and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 420 to 800
300

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 1050
980
Melting Onset (Solidus), °C 1000
900
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 29
120
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
45
Electrical Conductivity: Equal Weight (Specific), % IACS 6.0
48

Otherwise Unclassified Properties

Base Metal Price, % relative 31
29
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 63
45
Embodied Water, L/kg 300
310

Common Calculations

Stiffness to Weight: Axial, points 8.1
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 14 to 27
9.8
Strength to Weight: Bending, points 15 to 23
12
Thermal Diffusivity, mm2/s 8.8
34
Thermal Shock Resistance, points 15 to 28
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 53.5 to 56.5
87.5 to 90.5
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.090
Manganese (Mn), % 0 to 0.5
0 to 0.8
Nickel (Ni), % 16.5 to 19.5
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 22.7 to 30
7.0 to 9.0
Residuals, % 0
0 to 0.8