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C75700 Nickel Silver vs. C31400 Bronze

Both C75700 nickel silver and C31400 bronze are copper alloys. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is C75700 nickel silver and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.2 to 22
6.8 to 29
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 45
42
Shear Strength, MPa 350 to 370
180 to 240
Tensile Strength: Ultimate (UTS), MPa 590 to 610
270 to 420
Tensile Strength: Yield (Proof), MPa 470 to 580
78 to 310

Thermal Properties

Latent Heat of Fusion, J/g 200
200
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 1040
1040
Melting Onset (Solidus), °C 990
1010
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 40
180
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
43

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 56
42
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
26 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 930 to 1410
28 to 420
Stiffness to Weight: Axial, points 7.8
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 20
8.7 to 13
Strength to Weight: Bending, points 19
11 to 14
Thermal Diffusivity, mm2/s 12
54
Thermal Shock Resistance, points 22 to 23
9.6 to 15

Alloy Composition

Copper (Cu), % 63.5 to 66.5
87.5 to 90.5
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0 to 0.050
1.3 to 2.5
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 11 to 13
0 to 0.7
Zinc (Zn), % 19.2 to 25.5
5.8 to 11.2
Residuals, % 0 to 0.5
0 to 0.4

Comparable Variants