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C31400 Bronze vs. C77000 Nickel Silver

Both C31400 bronze and C77000 nickel silver 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 (7, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C77000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 270 to 420
420 to 800

Thermal Properties

Latent Heat of Fusion, J/g 200
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 1040
1050
Melting Onset (Solidus), °C 1010
1000
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 180
29
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 43
6.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
31
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 42
63
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.1
8.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.7 to 13
14 to 27
Strength to Weight: Bending, points 11 to 14
15 to 23
Thermal Diffusivity, mm2/s 54
8.8
Thermal Shock Resistance, points 9.6 to 15
15 to 28

Alloy Composition


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Copper (Cu), % 87.5 to 90.5
53.5 to 56.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 1.3 to 2.5
0 to 0.050
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.7
16.5 to 19.5
Zinc (Zn), % 5.8 to 11.2
22.7 to 30
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants