C36000 Brass vs. C72700 Copper-nickel
Both C36000 brass and C72700 copper-nickel are copper alloys. They have 62% of their average alloy composition in common.
For each property being compared, the top bar is C36000 brass and the bottom bar is C72700 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Elongation at Break, % | 5.8 to 23 | |
| 4.0 to 36 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 44 |
| Shear Strength, MPa | 210 to 310 | |
| 310 to 620 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 530 | |
| 460 to 1070 |
| Tensile Strength: Yield (Proof), MPa | 140 to 260 | |
| 580 to 1060 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 200 |
| Melting Completion (Liquidus), °C | 900 | |
| 1100 |
| Melting Onset (Solidus), °C | 890 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 54 |
| Thermal Expansion, µm/m-K | 21 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 36 |
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 4.0 |
| Embodied Energy, MJ/kg | 45 | |
| 62 |
| Embodied Water, L/kg | 320 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 25 to 62 | |
| 20 to 380 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 89 to 340 | |
| 1420 to 4770 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 18 | |
| 14 to 34 |
| Strength to Weight: Bending, points | 13 to 18 | |
| 15 to 26 |
| Thermal Diffusivity, mm2/s | 37 | |
| 16 |
| Thermal Shock Resistance, points | 11 to 18 | |
| 16 to 38 |
Alloy Composition
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| Copper (Cu), % | 60 to 63 | |
| 82.1 to 86 |
| Iron (Fe), % | 0 to 0.35 | |
| 0 to 0.5 |
| Lead (Pb), % | 2.5 to 3.7 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0.050 to 0.3 |
| Nickel (Ni), % | 0 | |
| 8.5 to 9.5 |
| Niobium (Nb), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 32.5 to 37.5 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.3 |