C66900 Brass vs. C78200 Nickel Silver
Both C66900 brass and C78200 nickel silver are copper alloys. They have 88% of their average alloy composition in common. There are 29 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 C66900 brass and the bottom bar is C78200 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 1.1 to 26 | |
| 3.0 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Rockwell B Hardness | 65 to 100 | |
| 65 to 90 |
| Rockwell Superficial 30T Hardness | 60 to 88 | |
| 63 to 75 |
| Shear Modulus, GPa | 45 | |
| 43 |
| Shear Strength, MPa | 290 to 440 | |
| 280 to 400 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 770 | |
| 370 to 630 |
| Tensile Strength: Yield (Proof), MPa | 330 to 760 | |
| 170 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 160 |
| Melting Completion (Liquidus), °C | 860 | |
| 1000 |
| Melting Onset (Solidus), °C | 850 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Expansion, µm/m-K | 20 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.8 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 28 |
| Density, g/cm3 | 8.2 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.3 |
| Embodied Energy, MJ/kg | 46 | |
| 52 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.6 to 200 | |
| 18 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2450 | |
| 130 to 1440 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 12 to 21 |
| Strength to Weight: Bending, points | 16 to 23 | |
| 14 to 19 |
| Thermal Shock Resistance, points | 14 to 23 | |
| 12 to 21 |
Alloy Composition
| Copper (Cu), % | 62.5 to 64.5 | |
| 63 to 67 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.050 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 11.5 to 12.5 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 7.0 to 9.0 |
| Zinc (Zn), % | 22.5 to 26 | |
| 20.2 to 28.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |