C66700 Brass vs. C79600 Nickel Silver
Both C66700 brass and C79600 nickel silver are copper alloys. They have 75% of their average alloy composition in common. There are 30 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 C66700 brass and the bottom bar is C79600 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.0 to 58 | |
| 15 |
| Poisson's Ratio | 0.31 | |
| 0.3 |
| Rockwell B Hardness | 57 to 93 | |
| 70 |
| Shear Modulus, GPa | 41 | |
| 43 |
| Shear Strength, MPa | 250 to 530 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 690 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 100 to 640 | |
| 300 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 130 |
| Melting Completion (Liquidus), °C | 1090 | |
| 930 |
| Melting Onset (Solidus), °C | 1050 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 97 | |
| 36 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 25 |
| Density, g/cm3 | 8.2 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.5 |
| Embodied Energy, MJ/kg | 45 | |
| 57 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 150 | |
| 63 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 1900 | |
| 400 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 11 to 23 | |
| 17 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 17 |
| Thermal Diffusivity, mm2/s | 30 | |
| 12 |
| Thermal Shock Resistance, points | 11 to 23 | |
| 15 |
Alloy Composition
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| Copper (Cu), % | 68.5 to 71.5 | |
| 43.5 to 46.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 |
| Lead (Pb), % | 0 to 0.070 | |
| 0.8 to 1.2 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 | |
| 9.0 to 11 |
| Zinc (Zn), % | 26.3 to 30.7 | |
| 38.3 to 45.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |