C99400 Brass vs. C72200 Copper-nickel
Both C99400 brass and C72200 copper-nickel are copper alloys. They have 85% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is C99400 brass and the bottom bar is C72200 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 350 to 580 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 230 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1180 |
| Melting Onset (Solidus), °C | 1020 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 6.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 36 |
| Density, g/cm3 | 8.7 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.9 |
| Embodied Energy, MJ/kg | 45 | |
| 59 |
| Embodied Water, L/kg | 310 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.5 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 12 to 17 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 12 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0.5 to 2.0 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.3 to 0.7 |
| Copper (Cu), % | 83.5 to 96.5 | |
| 78.1 to 84.2 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 0.5 to 1.0 |
| Lead (Pb), % | 0 to 0.25 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 1.0 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 15 to 18 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.2 |