C85900 Brass vs. CC498K Bronze
Both C85900 brass and CC498K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 66% of their average alloy composition in common.
For each property being compared, the top bar is C85900 brass and the bottom bar is CC498K bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 85 | |
| 78 |
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 30 | |
| 14 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 460 | |
| 260 |
| Tensile Strength: Yield (Proof), MPa | 190 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 830 | |
| 1000 |
| Melting Onset (Solidus), °C | 790 | |
| 920 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 370 |
| Thermal Conductivity, W/m-K | 89 | |
| 73 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 25 | |
| 10 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 28 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 32 |
| Density, g/cm3 | 8.0 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.2 |
| Embodied Energy, MJ/kg | 49 | |
| 52 |
| Embodied Water, L/kg | 330 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 30 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 72 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 20 | |
| 18 |
| Strength to Weight: Axial, points | 16 | |
| 8.1 |
| Strength to Weight: Bending, points | 17 | |
| 10 |
| Thermal Diffusivity, mm2/s | 29 | |
| 22 |
| Thermal Shock Resistance, points | 16 | |
| 9.3 |
Alloy Composition
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| Aluminum (Al), % | 0.1 to 0.6 | |
| 0 to 0.010 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 to 0.25 |
| Boron (B), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 58 to 62 | |
| 85 to 90 |
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 to 0.090 | |
| 1.0 to 2.0 |
| 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 0.010 |
| Sulfur (S), % | 0.1 to 0.65 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 to 1.5 | |
| 5.5 to 6.5 |
| Zinc (Zn), % | 31 to 41 | |
| 3.0 to 5.0 |
| Zirconium (Zr), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.7 | |
| 0 |