C69710 Brass vs. C38500 Bronze
Both C69710 brass and C38500 bronze are copper alloys. They have 76% of their average alloy composition in common.
For each property being compared, the top bar is C69710 brass and the bottom bar is C38500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 25 | |
| 17 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Shear Modulus, GPa | 41 | |
| 37 |
| Shear Strength, MPa | 300 | |
| 230 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 370 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 160 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 110 |
| Melting Completion (Liquidus), °C | 930 | |
| 890 |
| Melting Onset (Solidus), °C | 880 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Conductivity, W/m-K | 40 | |
| 120 |
| Thermal Expansion, µm/m-K | 19 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.7 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 22 |
| Density, g/cm3 | 8.3 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 44 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 | |
| 48 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 78 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 16 | |
| 13 |
| Strength to Weight: Bending, points | 16 | |
| 14 |
| Thermal Diffusivity, mm2/s | 12 | |
| 40 |
| Thermal Shock Resistance, points | 16 | |
| 12 |
Alloy Composition
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| Arsenic (As), % | 0.030 to 0.060 | |
| 0 |
| Copper (Cu), % | 75 to 80 | |
| 55 to 59 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.35 |
| Lead (Pb), % | 0.5 to 1.5 | |
| 2.5 to 3.5 |
| Manganese (Mn), % | 0 to 0.4 | |
| 0 |
| Silicon (Si), % | 2.5 to 3.5 | |
| 0 |
| Zinc (Zn), % | 13.8 to 22 | |
| 36.7 to 42.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |