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C64700 Bronze vs. C77100 Nickel Silver

Both C64700 bronze and C77100 nickel silver are copper alloys. They have 56% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C64700 bronze and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
45
Tensile Strength: Ultimate (UTS), MPa 660
600
Tensile Strength: Yield (Proof), MPa 560
540

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
990
Melting Onset (Solidus), °C 1030
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 210
40
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 38
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 43
56
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1370
1280
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 59
13
Thermal Shock Resistance, points 24
19

Alloy Composition

Copper (Cu), % 95.8 to 98
52 to 56
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.1
0 to 0.030
Manganese (Mn), % 0
0 to 0.9
Nickel (Ni), % 1.6 to 2.2
9.0 to 12
Silicon (Si), % 0.4 to 0.8
0
Zinc (Zn), % 0 to 0.5
30.6 to 39
Residuals, % 0
0 to 0.5