C85200 Brass vs. C93400 Bronze
Both C85200 brass and C93400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 78% of their average alloy composition in common.
For each property being compared, the top bar is C85200 brass and the bottom bar is C93400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 28 | |
| 9.1 |
| Poisson's Ratio | 0.32 | |
| 0.35 |
| Shear Modulus, GPa | 40 | |
| 38 |
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 270 |
| Tensile Strength: Yield (Proof), MPa | 95 | |
| 150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 150 |
| Melting Completion (Liquidus), °C | 940 | |
| 950 |
| Melting Onset (Solidus), °C | 930 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 350 |
| Thermal Conductivity, W/m-K | 84 | |
| 58 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 32 |
| Density, g/cm3 | 8.4 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 3.3 |
| Embodied Energy, MJ/kg | 46 | |
| 54 |
| Embodied Water, L/kg | 330 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 59 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 42 | |
| 120 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 6.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 17 |
| Strength to Weight: Axial, points | 8.9 | |
| 8.3 |
| Strength to Weight: Bending, points | 11 | |
| 10 |
| Thermal Diffusivity, mm2/s | 27 | |
| 18 |
| Thermal Shock Resistance, points | 9.3 | |
| 10 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 to 0.5 |
| Copper (Cu), % | 70 to 74 | |
| 82 to 85 |
| Iron (Fe), % | 0 to 0.6 | |
| 0 to 0.2 |
| Lead (Pb), % | 1.5 to 3.8 | |
| 7.0 to 9.0 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.020 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.050 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.080 |
| Tin (Sn), % | 0.7 to 2.0 | |
| 7.0 to 9.0 |
| Zinc (Zn), % | 20 to 27 | |
| 0 to 0.8 |
| Residuals, % | 0 to 0.9 | |
| 0 to 1.0 |