C85900 Brass vs. C94500 Bronze
Both C85900 brass and C94500 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common.
For each property being compared, the top bar is C85900 brass and the bottom bar is C94500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 | |
| 50 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 92 |
| Elongation at Break, % | 30 | |
| 12 |
| Poisson's Ratio | 0.31 | |
| 0.36 |
| Shear Modulus, GPa | 40 | |
| 34 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 170 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 83 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 160 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 130 |
| Melting Completion (Liquidus), °C | 830 | |
| 940 |
| Melting Onset (Solidus), °C | 790 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 330 |
| Thermal Conductivity, W/m-K | 89 | |
| 52 |
| Thermal Expansion, µm/m-K | 20 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 28 | |
| 9.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 30 |
| Density, g/cm3 | 8.0 | |
| 9.3 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.2 |
| Embodied Energy, MJ/kg | 49 | |
| 51 |
| Embodied Water, L/kg | 330 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 17 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 37 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 5.5 |
| Stiffness to Weight: Bending, points | 20 | |
| 16 |
| Strength to Weight: Axial, points | 16 | |
| 5.2 |
| Strength to Weight: Bending, points | 17 | |
| 7.4 |
| Thermal Diffusivity, mm2/s | 29 | |
| 17 |
| Thermal Shock Resistance, points | 16 | |
| 6.7 |
Alloy Composition
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| Aluminum (Al), % | 0.1 to 0.6 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 to 0.8 |
| Boron (B), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 58 to 62 | |
| 66.7 to 78 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.090 | |
| 16 to 22 |
| Manganese (Mn), % | 0 to 0.010 | |
| 0 |
| Nickel (Ni), % | 0 to 1.5 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.25 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0.1 to 0.65 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 to 1.5 | |
| 6.0 to 8.0 |
| Zinc (Zn), % | 31 to 41 | |
| 0 to 1.2 |
| Zirconium (Zr), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.7 | |
| 0 |