C70700 Copper-nickel vs. CC761S Brass
Both C70700 copper-nickel and CC761S brass are copper alloys. They have 81% of their average alloy composition in common. There are 29 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 C70700 copper-nickel and the bottom bar is CC761S brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 73 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 39 | |
| 8.7 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 46 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 320 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 340 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 170 |
| Melting Completion (Liquidus), °C | 1120 | |
| 960 |
| Melting Onset (Solidus), °C | 1060 | |
| 910 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 410 |
| Thermal Conductivity, W/m-K | 59 | |
| 27 |
| Thermal Expansion, µm/m-K | 16 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 40 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 43 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 27 |
| Density, g/cm3 | 8.9 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.7 |
| Embodied Energy, MJ/kg | 52 | |
| 45 |
| Embodied Water, L/kg | 300 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 | |
| 41 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 51 | |
| 530 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 10 | |
| 18 |
| Strength to Weight: Bending, points | 12 | |
| 18 |
| Thermal Diffusivity, mm2/s | 17 | |
| 8.0 |
| Thermal Shock Resistance, points | 12 | |
| 19 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.1 |
| Antimony (Sb), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 88.5 to 90.5 | |
| 78 to 83 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.6 |
| Lead (Pb), % | 0 | |
| 0 to 0.8 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 0.2 |
| Nickel (Ni), % | 9.5 to 10.5 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 | |
| 3.0 to 5.0 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Zinc (Zn), % | 0 | |
| 8.9 to 19 |
| Residuals, % | 0 to 0.5 | |
| 0 |