C66300 Brass vs. C70400 Copper-nickel
Both C66300 brass and C70400 copper-nickel are copper alloys. They have 88% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C66300 brass and the bottom bar is C70400 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 810 | |
| 300 to 310 |
| Tensile Strength: Yield (Proof), MPa | 400 to 800 | |
| 95 to 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 210 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1120 |
| Melting Onset (Solidus), °C | 1000 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 64 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 14 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 26 | |
| 14 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 32 |
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.0 |
| Embodied Energy, MJ/kg | 46 | |
| 47 |
| Embodied Water, L/kg | 320 | |
| 300 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2850 | |
| 38 to 220 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 9.3 to 9.8 |
| Strength to Weight: Bending, points | 15 to 22 | |
| 11 to 12 |
| Thermal Diffusivity, mm2/s | 32 | |
| 18 |
| Thermal Shock Resistance, points | 16 to 28 | |
| 10 to 11 |
Alloy Composition
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| Cobalt (Co), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 84.5 to 87.5 | |
| 89.8 to 93.6 |
| Iron (Fe), % | 1.4 to 2.4 | |
| 1.3 to 1.7 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.3 to 0.8 |
| Nickel (Ni), % | 0 | |
| 4.8 to 6.2 |
| Phosphorus (P), % | 0 to 0.35 | |
| 0 |
| Tin (Sn), % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 6.0 to 12.8 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |