CC498K Bronze vs. C85400 Brass
Both CC498K bronze and C85400 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 75% of their average alloy composition in common.
For each property being compared, the top bar is CC498K bronze and the bottom bar is C85400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 78 | |
| 55 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 14 | |
| 23 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 260 | |
| 220 |
| Tensile Strength: Yield (Proof), MPa | 130 | |
| 85 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 130 |
| Melting Completion (Liquidus), °C | 1000 | |
| 940 |
| Melting Onset (Solidus), °C | 920 | |
| 940 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 380 |
| Thermal Conductivity, W/m-K | 73 | |
| 89 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 20 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 22 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 25 |
| Density, g/cm3 | 8.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 2.8 |
| Embodied Energy, MJ/kg | 52 | |
| 46 |
| Embodied Water, L/kg | 360 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 | |
| 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 72 | |
| 35 |
| Stiffness to Weight: Axial, points | 6.9 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 8.1 | |
| 7.5 |
| Strength to Weight: Bending, points | 10 | |
| 9.9 |
| Thermal Diffusivity, mm2/s | 22 | |
| 28 |
| Thermal Shock Resistance, points | 9.3 | |
| 7.6 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 0 to 0.35 |
| Antimony (Sb), % | 0 to 0.25 | |
| 0 |
| Copper (Cu), % | 85 to 90 | |
| 65 to 70 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.7 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 1.5 to 3.8 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 |
| Silicon (Si), % | 0 to 0.010 | |
| 0 to 0.050 |
| Sulfur (S), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 5.5 to 6.5 | |
| 0.5 to 1.5 |
| Zinc (Zn), % | 3.0 to 5.0 | |
| 24 to 32 |
| Residuals, % | 0 | |
| 0 to 1.1 |