C70600 Copper-nickel vs. C46400 Brass
Both C70600 copper-nickel and C46400 brass are copper alloys. They have 61% of their average alloy composition in common.
For each property being compared, the top bar is C70600 copper-nickel and the bottom bar is C46400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 3.0 to 34 | |
| 17 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 46 | |
| 40 |
| Shear Strength, MPa | 190 to 330 | |
| 270 to 310 |
| Tensile Strength: Ultimate (UTS), MPa | 290 to 570 | |
| 400 to 500 |
| Tensile Strength: Yield (Proof), MPa | 63 to 270 | |
| 160 to 320 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 120 |
| Melting Completion (Liquidus), °C | 1150 | |
| 900 |
| Melting Onset (Solidus), °C | 1100 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 44 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.8 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.9 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 23 |
| Calomel Potential, mV | -280 | |
| -400 |
| Density, g/cm3 | 8.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 2.7 |
| Embodied Energy, MJ/kg | 51 | |
| 47 |
| Embodied Water, L/kg | 300 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.5 to 160 | |
| 76 to 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 16 to 290 | |
| 120 to 500 |
| Stiffness to Weight: Axial, points | 7.7 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 9.1 to 18 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 11 to 17 | |
| 15 to 17 |
| Thermal Diffusivity, mm2/s | 13 | |
| 38 |
| Thermal Shock Resistance, points | 9.8 to 19 | |
| 13 to 16 |
Alloy Composition
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| Copper (Cu), % | 84.7 to 90 | |
| 59 to 62 |
| Iron (Fe), % | 1.0 to 1.8 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 9.0 to 11 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.5 to 1.0 |
| Zinc (Zn), % | 0 to 1.0 | |
| 36.3 to 40.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |