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