C64800 Bronze vs. C66300 Brass
Both C64800 bronze and C66300 brass are copper alloys. They have 88% of their average alloy composition in common.
For each property being compared, the top bar is C64800 bronze and the bottom bar is C66300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 8.0 | |
| 2.3 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 42 |
| Shear Strength, MPa | 380 | |
| 290 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 640 | |
| 460 to 810 |
| Tensile Strength: Yield (Proof), MPa | 630 | |
| 400 to 800 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1050 |
| Melting Onset (Solidus), °C | 1030 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 260 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 65 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 66 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 33 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 43 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 51 | |
| 17 to 98 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1680 | |
| 710 to 2850 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 20 | |
| 15 to 26 |
| Strength to Weight: Bending, points | 19 | |
| 15 to 22 |
| Thermal Diffusivity, mm2/s | 75 | |
| 32 |
| Thermal Shock Resistance, points | 23 | |
| 16 to 28 |
Alloy Composition
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| Chromium (Cr), % | 0 to 0.090 | |
| 0 |
| Cobalt (Co), % | 1.0 to 3.0 | |
| 0 to 0.2 |
| Copper (Cu), % | 92.4 to 98.8 | |
| 84.5 to 87.5 |
| Iron (Fe), % | 0 to 1.0 | |
| 1.4 to 2.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0 to 0.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.5 | |
| 0 to 0.35 |
| Silicon (Si), % | 0.2 to 1.0 | |
| 0 |
| Tin (Sn), % | 0 to 0.5 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 6.0 to 12.8 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |