C78200 Nickel Silver vs. C51000 Bronze
Both C78200 nickel silver and C51000 bronze are copper alloys. They have 65% of their average alloy composition in common.
For each property being compared, the top bar is C78200 nickel silver and the bottom bar is C51000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 110 | |
110 |
Elongation at Break, % | 3.0 to 40 | |
2.7 to 64 |
Poisson's Ratio | 0.32 | |
0.34 |
Rockwell B Hardness | 65 to 90 | |
26 to 97 |
Rockwell Superficial 30T Hardness | 63 to 75 | |
42 to 80 |
Shear Modulus, GPa | 43 | |
42 |
Shear Strength, MPa | 280 to 400 | |
250 to 460 |
Tensile Strength: Ultimate (UTS), MPa | 370 to 630 | |
330 to 780 |
Tensile Strength: Yield (Proof), MPa | 170 to 570 | |
130 to 750 |
Thermal Properties
Latent Heat of Fusion, J/g | 190 | |
200 |
Maximum Temperature: Mechanical, °C | 160 | |
190 |
Melting Completion (Liquidus), °C | 1000 | |
1050 |
Melting Onset (Solidus), °C | 970 | |
960 |
Specific Heat Capacity, J/kg-K | 390 | |
380 |
Thermal Conductivity, W/m-K | 48 | |
77 |
Thermal Expansion, µm/m-K | 19 | |
18 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 11 | |
18 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
18 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 28 | |
33 |
Density, g/cm3 | 8.4 | |
8.8 |
Embodied Carbon, kg CO2/kg material | 3.3 | |
3.1 |
Embodied Energy, MJ/kg | 52 | |
50 |
Embodied Water, L/kg | 310 | |
350 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 18 to 120 | |
7.0 to 490 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 1440 | |
75 to 2490 |
Stiffness to Weight: Axial, points | 7.4 | |
7.0 |
Stiffness to Weight: Bending, points | 19 | |
18 |
Strength to Weight: Axial, points | 12 to 21 | |
10 to 25 |
Strength to Weight: Bending, points | 14 to 19 | |
12 to 21 |
Thermal Diffusivity, mm2/s | 15 | |
23 |
Thermal Shock Resistance, points | 12 to 21 | |
12 to 28 |
Alloy Composition
Copper (Cu), % | 63 to 67 | |
92.9 to 95.5 |
Iron (Fe), % | 0 to 0.35 | |
0 to 0.1 |
Lead (Pb), % | 1.5 to 2.5 | |
0 to 0.050 |
Manganese (Mn), % | 0 to 0.5 | |
0 |
Nickel (Ni), % | 7.0 to 9.0 | |
0 |
Phosphorus (P), % | 0 | |
0.030 to 0.35 |
Tin (Sn), % | 0 | |
4.5 to 5.8 |
Zinc (Zn), % | 20.2 to 28.5 | |
0 to 0.3 |
Residuals, % | 0 | |
0 to 0.5 |