C87400 Brass vs. C70620 Copper-nickel
Both C87400 brass and C70620 copper-nickel are copper alloys. They have 83% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is C87400 brass and the bottom bar is C70620 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 | 41 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 300 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 220 |
| Melting Completion (Liquidus), °C | 920 | |
| 1120 |
| Melting Onset (Solidus), °C | 820 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 28 | |
| 49 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 33 |
| Density, g/cm3 | 8.3 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.4 |
| Embodied Energy, MJ/kg | 44 | |
| 51 |
| Embodied Water, L/kg | 310 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 | |
| 9.3 to 18 |
| Strength to Weight: Bending, points | 14 | |
| 11 to 17 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 14 |
| Thermal Shock Resistance, points | 14 | |
| 10 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 79 to 85.5 | |
| 86.5 to 90 |
| Iron (Fe), % | 0 | |
| 1.0 to 1.8 |
| Lead (Pb), % | 0 to 1.0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.2 |
| Silicon (Si), % | 2.5 to 4.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 12 to 16 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.8 | |
| 0 to 0.5 |