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C92500 Bronze vs. C97300 Nickel Silver

Both C92500 bronze and C97300 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is C92500 bronze and the bottom bar is C97300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
9.0
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 310
230
Tensile Strength: Yield (Proof), MPa 190
110

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
150
Melting Completion (Liquidus), °C 980
1040
Melting Onset (Solidus), °C 870
1010
Specific Heat Capacity, J/kg-K 370
370
Thermal Conductivity, W/m-K 63
29
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 35
30
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 3.7
3.7
Embodied Energy, MJ/kg 61
59
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
18
Resilience: Unit (Modulus of Resilience), kJ/m3 170
59
Stiffness to Weight: Axial, points 6.8
7.0
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.8
7.6
Strength to Weight: Bending, points 12
9.8
Thermal Diffusivity, mm2/s 20
9.3
Thermal Shock Resistance, points 12
8.0

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.35
Copper (Cu), % 85 to 88
53 to 58
Iron (Fe), % 0 to 0.3
0 to 1.5
Lead (Pb), % 1.0 to 1.5
8.0 to 11
Nickel (Ni), % 0.8 to 1.5
11 to 14
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 10 to 12
1.5 to 3.0
Zinc (Zn), % 0 to 0.5
17 to 25
Residuals, % 0
0 to 1.0