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C67500 Bronze vs. C77100 Nickel Silver

Both C67500 bronze and C77100 nickel silver are copper alloys. They have 89% 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 C67500 bronze and the bottom bar is C77100 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 430 to 580
600
Tensile Strength: Yield (Proof), MPa 170 to 370
540

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 890
990
Melting Onset (Solidus), °C 870
950
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 27
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
27
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 47
56
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
1280
Stiffness to Weight: Axial, points 7.3
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15 to 20
21
Strength to Weight: Bending, points 16 to 19
20
Thermal Diffusivity, mm2/s 34
13
Thermal Shock Resistance, points 14 to 19
19

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Copper (Cu), % 57 to 60
52 to 56
Iron (Fe), % 0.8 to 2.0
0
Lead (Pb), % 0 to 0.2
0 to 0.030
Manganese (Mn), % 0.050 to 0.5
0 to 0.9
Nickel (Ni), % 0
9.0 to 12
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 35.1 to 41.7
30.6 to 39
Residuals, % 0
0 to 0.5