C84200 Brass vs. C86700 Bronze
Both C84200 brass and C86700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.
For each property being compared, the top bar is C84200 brass and the bottom bar is C86700 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 15 | |
| 17 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Shear Modulus, GPa | 40 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 250 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 120 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 130 |
| Melting Completion (Liquidus), °C | 990 | |
| 880 |
| Melting Onset (Solidus), °C | 840 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 400 |
| Thermal Conductivity, W/m-K | 72 | |
| 89 |
| Thermal Expansion, µm/m-K | 19 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 16 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 19 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 23 |
| Density, g/cm3 | 8.5 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.9 |
| Embodied Energy, MJ/kg | 51 | |
| 49 |
| Embodied Water, L/kg | 350 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 31 | |
| 86 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 72 | |
| 290 |
| Stiffness to Weight: Axial, points | 6.9 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 8.2 | |
| 22 |
| Strength to Weight: Bending, points | 10 | |
| 21 |
| Thermal Diffusivity, mm2/s | 23 | |
| 28 |
| Thermal Shock Resistance, points | 9.1 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 1.0 to 3.0 |
| Antimony (Sb), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 78 to 82 | |
| 55 to 60 |
| Iron (Fe), % | 0 to 0.4 | |
| 1.0 to 3.0 |
| Lead (Pb), % | 2.0 to 3.0 | |
| 0.5 to 1.5 |
| Manganese (Mn), % | 0 | |
| 1.0 to 3.5 |
| Nickel (Ni), % | 0 to 0.8 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 |
| Sulfur (S), % | 0 to 0.080 | |
| 0 |
| Tin (Sn), % | 4.0 to 6.0 | |
| 0 to 1.5 |
| Zinc (Zn), % | 10 to 16 | |
| 30 to 38 |
| Residuals, % | 0 to 0.7 | |
| 0 to 1.0 |