C69400 Brass vs. C62400 Bronze
Both C69400 brass and C62400 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 C62400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 17 | |
| 11 to 14 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Shear Strength, MPa | 350 | |
| 420 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 570 | |
| 690 to 730 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 270 to 350 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 220 |
| Melting Completion (Liquidus), °C | 920 | |
| 1040 |
| Melting Onset (Solidus), °C | 820 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 440 |
| Thermal Conductivity, W/m-K | 26 | |
| 59 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.2 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 27 |
| Density, g/cm3 | 8.3 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.2 |
| Embodied Energy, MJ/kg | 44 | |
| 53 |
| Embodied Water, L/kg | 300 | |
| 400 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 80 | |
| 68 to 77 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 340 | |
| 320 to 550 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 23 to 25 |
| Strength to Weight: Bending, points | 18 | |
| 21 to 22 |
| Thermal Diffusivity, mm2/s | 7.7 | |
| 16 |
| Thermal Shock Resistance, points | 20 | |
| 25 to 26 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 10 to 11.5 |
| Copper (Cu), % | 80 to 83 | |
| 82.8 to 88 |
| Iron (Fe), % | 0 to 0.2 | |
| 2.0 to 4.5 |
| Lead (Pb), % | 0 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| 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 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |