C72700 Copper-nickel vs. C99750 Brass
Both C72700 copper-nickel and C99750 brass are copper alloys. They have 61% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C72700 copper-nickel and the bottom bar is C99750 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 130 |
| Elongation at Break, % | 4.0 to 36 | |
| 20 to 30 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 44 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1070 | |
| 450 to 520 |
| Tensile Strength: Yield (Proof), MPa | 580 to 1060 | |
| 220 to 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1100 | |
| 840 |
| Melting Onset (Solidus), °C | 930 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Expansion, µm/m-K | 17 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 2.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 2.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 23 |
| Density, g/cm3 | 8.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 4.0 | |
| 3.1 |
| Embodied Energy, MJ/kg | 62 | |
| 51 |
| Embodied Water, L/kg | 350 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 20 to 380 | |
| 87 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1420 to 4770 | |
| 190 to 300 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 8.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 14 to 34 | |
| 15 to 18 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 16 to 18 |
| Thermal Shock Resistance, points | 16 to 38 | |
| 13 to 15 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 0 | |
| 0.25 to 3.0 |
| Copper (Cu), % | 82.1 to 86 | |
| 55 to 61 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 1.0 |
| Lead (Pb), % | 0 to 0.020 | |
| 0.5 to 2.5 |
| Magnesium (Mg), % | 0 to 0.15 | |
| 0 |
| Manganese (Mn), % | 0.050 to 0.3 | |
| 17 to 23 |
| Nickel (Ni), % | 8.5 to 9.5 | |
| 0 to 5.0 |
| Niobium (Nb), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 17 to 23 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.3 |