C72500 Copper-nickel vs. C46200 Brass
Both C72500 copper-nickel and C46200 brass are copper alloys. They have 65% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is C46200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 45 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 780 | |
| 370 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 120 |
| Melting Completion (Liquidus), °C | 1130 | |
| 840 |
| Melting Onset (Solidus), °C | 1060 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 54 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 35 | |
| 24 |
| Density, g/cm3 | 8.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 55 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 330 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 to 24 | |
| 13 to 16 |
| Strength to Weight: Bending, points | 14 to 21 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 16 | |
| 35 |
| Thermal Shock Resistance, points | 14 to 27 | |
| 12 to 16 |
Alloy Composition
| Copper (Cu), % | 85.2 to 89.7 | |
| 62 to 65 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Nickel (Ni), % | 8.5 to 10.5 | |
| 0 |
| Tin (Sn), % | 1.8 to 2.8 | |
| 0.5 to 1.0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 33.3 to 37.5 |
| Residuals, % | 0 | |
| 0 to 0.4 |