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C31400 Bronze vs. C77300 Nickel Silver

Both C31400 bronze and C77300 nickel silver are copper alloys. They have 57% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C31400 bronze and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 270 to 420
540

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 180
130
Melting Completion (Liquidus), °C 1040
940
Melting Onset (Solidus), °C 1010
920
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 43
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
3.5
Embodied Energy, MJ/kg 42
56
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.7 to 13
19
Strength to Weight: Bending, points 11 to 14
19
Thermal Shock Resistance, points 9.6 to 15
17

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Copper (Cu), % 87.5 to 90.5
46 to 50
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 1.3 to 2.5
0 to 0.050
Nickel (Ni), % 0 to 0.7
9.0 to 11
Phosphorus (P), % 0
0 to 0.25
Silicon (Si), % 0
0.040 to 0.25
Zinc (Zn), % 5.8 to 11.2
37.9 to 45
Residuals, % 0 to 0.4
0 to 0.5