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C64700 Bronze vs. C97400 Nickel Silver

Both C64700 bronze and C97400 nickel silver are copper alloys. They have 62% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C64700 bronze and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 9.0
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 660
260
Tensile Strength: Yield (Proof), MPa 560
120

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 1090
1100
Melting Onset (Solidus), °C 1030
1070
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 210
27
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 38
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 43
64
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 57
43
Resilience: Unit (Modulus of Resilience), kJ/m3 1370
59
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 21
8.5
Strength to Weight: Bending, points 19
11
Thermal Diffusivity, mm2/s 59
8.3
Thermal Shock Resistance, points 24
8.8

Alloy Composition

Copper (Cu), % 95.8 to 98
58 to 61
Iron (Fe), % 0 to 0.1
0 to 1.5
Lead (Pb), % 0 to 0.1
4.5 to 5.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 1.6 to 2.2
15.5 to 17
Silicon (Si), % 0.4 to 0.8
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0 to 0.5
10 to 19.5
Residuals, % 0
0 to 1.0