C96900 Copper-nickel vs. C99700 Brass
Both C96900 copper-nickel and C99700 brass are copper alloys. They have 66% of their average alloy composition in common.
For each property being compared, the top bar is C96900 copper-nickel and the bottom bar is C99700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 120 |
| Elongation at Break, % | 4.5 | |
| 25 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 45 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 850 | |
| 380 |
| Tensile Strength: Yield (Proof), MPa | 830 | |
| 170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 160 |
| Melting Completion (Liquidus), °C | 1060 | |
| 900 |
| Melting Onset (Solidus), °C | 960 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 3.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 39 | |
| 25 |
| Density, g/cm3 | 8.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 3.3 |
| Embodied Energy, MJ/kg | 72 | |
| 53 |
| Embodied Water, L/kg | 360 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 38 | |
| 78 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2820 | |
| 120 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 27 | |
| 13 |
| Strength to Weight: Bending, points | 23 | |
| 14 |
| Thermal Shock Resistance, points | 30 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.5 to 3.0 |
| Copper (Cu), % | 73.6 to 78 | |
| 54 to 65.5 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 2.0 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 11 to 15 |
| Nickel (Ni), % | 14.5 to 15.5 | |
| 4.0 to 6.0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Silicon (Si), % | 0 to 0.3 | |
| 0 |
| Tin (Sn), % | 7.5 to 8.5 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 19 to 25 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |