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C61800 Bronze vs. C77100 Nickel Silver

Both C61800 bronze and C77100 nickel silver are copper alloys. Both are furnished in the H02 (half hard) temper. They have 54% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C61800 bronze and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
45
Tensile Strength: Ultimate (UTS), MPa 740
600
Tensile Strength: Yield (Proof), MPa 310
540

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1050
990
Melting Onset (Solidus), °C 1040
950
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 64
40
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 3.1
3.5
Embodied Energy, MJ/kg 52
56
Embodied Water, L/kg 390
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 420
1280
Stiffness to Weight: Axial, points 7.5
7.8
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 18
13
Thermal Shock Resistance, points 26
19

Alloy Composition

Aluminum (Al), % 8.5 to 11
0
Copper (Cu), % 86.9 to 91
52 to 56
Iron (Fe), % 0.5 to 1.5
0
Lead (Pb), % 0 to 0.020
0 to 0.030
Manganese (Mn), % 0
0 to 0.9
Nickel (Ni), % 0
9.0 to 12
Silicon (Si), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.020
30.6 to 39
Residuals, % 0
0 to 0.5