C64700 Bronze vs. C66200 Brass
Both C64700 bronze and C66200 brass are copper alloys. They have a moderately high 90% of their average alloy composition in common.
For each property being compared, the top bar is C64700 bronze and the bottom bar is C66200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 9.0 | |
| 8.0 to 15 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 44 | |
| 42 |
| Shear Strength, MPa | 390 | |
| 270 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 660 | |
| 450 to 520 |
| Tensile Strength: Yield (Proof), MPa | 560 | |
| 410 to 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1070 |
| Melting Onset (Solidus), °C | 1030 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 210 | |
| 150 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 38 | |
| 35 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 38 | |
| 36 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 43 | |
| 43 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 57 | |
| 40 to 66 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1370 | |
| 760 to 1030 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 21 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 19 | |
| 15 to 16 |
| Thermal Diffusivity, mm2/s | 59 | |
| 45 |
| Thermal Shock Resistance, points | 24 | |
| 16 to 18 |
Alloy Composition
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| Copper (Cu), % | 95.8 to 98 | |
| 86.6 to 91 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.1 | |
| 0 to 0.050 |
| Nickel (Ni), % | 1.6 to 2.2 | |
| 0.3 to 1.0 |
| Phosphorus (P), % | 0 | |
| 0.050 to 0.2 |
| Silicon (Si), % | 0.4 to 0.8 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0.2 to 0.7 |
| Zinc (Zn), % | 0 to 0.5 | |
| 6.5 to 12.9 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |