C69400 Brass vs. C63000 Bronze
Both C69400 brass and C63000 bronze are copper alloys. They have 82% of their average alloy composition in common.
For each property being compared, the top bar is C69400 brass and the bottom bar is C63000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 17 | |
| 7.9 to 15 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 44 |
| Shear Strength, MPa | 350 | |
| 400 to 470 |
| Tensile Strength: Ultimate (UTS), MPa | 570 | |
| 660 to 790 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 330 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 230 |
| Melting Completion (Liquidus), °C | 920 | |
| 1050 |
| Melting Onset (Solidus), °C | 820 | |
| 1040 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 440 |
| Thermal Conductivity, W/m-K | 26 | |
| 39 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.2 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 7.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 29 |
| Density, g/cm3 | 8.3 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.5 |
| Embodied Energy, MJ/kg | 44 | |
| 57 |
| Embodied Water, L/kg | 300 | |
| 390 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 | |
| 47 to 82 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 | |
| 470 to 640 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.9 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 22 to 26 |
| Strength to Weight: Bending, points | 18 | |
| 20 to 23 |
| Thermal Diffusivity, mm2/s | 7.7 | |
| 11 |
| Thermal Shock Resistance, points | 20 | |
| 23 to 27 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 9.0 to 11 |
| Copper (Cu), % | 80 to 83 | |
| 76.8 to 85 |
| Iron (Fe), % | 0 to 0.2 | |
| 2.0 to 4.0 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 4.0 to 5.5 |
| Silicon (Si), % | 3.5 to 4.5 | |
| 0 to 0.25 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 11.5 to 16.5 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |