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C95700 Bronze vs. C97400 Nickel Silver

Both C95700 bronze and C97400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C95700 bronze and the bottom bar is C97400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Elongation at Break, % 23
20
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 47
44
Tensile Strength: Ultimate (UTS), MPa 680
260
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
180
Melting Completion (Liquidus), °C 990
1100
Melting Onset (Solidus), °C 950
1070
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
33
Density, g/cm3 8.2
8.6
Embodied Carbon, kg CO2/kg material 3.3
4.1
Embodied Energy, MJ/kg 54
64
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
43
Resilience: Unit (Modulus of Resilience), kJ/m3 390
59
Stiffness to Weight: Axial, points 8.5
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 23
8.5
Strength to Weight: Bending, points 21
11
Thermal Diffusivity, mm2/s 3.3
8.3
Thermal Shock Resistance, points 21
8.8

Alloy Composition

Aluminum (Al), % 7.0 to 8.5
0
Copper (Cu), % 71 to 78.5
58 to 61
Iron (Fe), % 2.0 to 4.0
0 to 1.5
Lead (Pb), % 0 to 0.030
4.5 to 5.5
Manganese (Mn), % 11 to 14
0 to 0.5
Nickel (Ni), % 1.5 to 3.0
15.5 to 17
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0
2.5 to 3.5
Zinc (Zn), % 0
10 to 19.5
Residuals, % 0
0 to 1.0