C66300 Brass vs. C64700 Bronze
Both C66300 brass and C64700 bronze are copper alloys. They have 87% of their average alloy composition in common.
For each property being compared, the top bar is C66300 brass and the bottom bar is C64700 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 2.3 to 22 | |
| 9.0 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Shear Strength, MPa | 290 to 470 | |
| 390 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 810 | |
| 660 |
| Tensile Strength: Yield (Proof), MPa | 400 to 800 | |
| 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 200 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1090 |
| Melting Onset (Solidus), °C | 1000 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 390 |
| Thermal Conductivity, W/m-K | 110 | |
| 210 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 38 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 26 | |
| 38 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 31 |
| Density, g/cm3 | 8.6 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 46 | |
| 43 |
| Embodied Water, L/kg | 320 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 to 98 | |
| 57 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2850 | |
| 1370 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 21 |
| Strength to Weight: Bending, points | 15 to 22 | |
| 19 |
| Thermal Diffusivity, mm2/s | 32 | |
| 59 |
| Thermal Shock Resistance, points | 16 to 28 | |
| 24 |
Alloy Composition
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| Cobalt (Co), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 84.5 to 87.5 | |
| 95.8 to 98 |
| Iron (Fe), % | 1.4 to 2.4 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 | |
| 1.6 to 2.2 |
| Phosphorus (P), % | 0 to 0.35 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0.4 to 0.8 |
| Tin (Sn), % | 1.5 to 3.0 | |
| 0 |
| Zinc (Zn), % | 6.0 to 12.8 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |