O60 C52100 Bronze vs. O60 C52400 Bronze
Both O60 C52100 bronze and O60 C52400 bronze are copper alloys. Both are furnished in the O60 (soft annealed) temper. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is O60 C52100 bronze and the bottom bar is O60 C52400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 45 | |
| 50 |
| Rockwell Superficial 30T Hardness | 48 | |
| 54 |
| Shear Modulus, GPa | 41 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 420 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 170 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1000 |
| Melting Onset (Solidus), °C | 880 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 370 |
| Thermal Conductivity, W/m-K | 62 | |
| 50 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 13 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 13 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 34 | |
| 35 |
| Density, g/cm3 | 8.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 3.4 | |
| 3.6 |
| Embodied Energy, MJ/kg | 55 | |
| 58 |
| Embodied Water, L/kg | 370 | |
| 390 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.0 | |
| 6.9 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 13 | |
| 15 |
| Strength to Weight: Bending, points | 14 | |
| 15 |
| Thermal Diffusivity, mm2/s | 19 | |
| 15 |
| Thermal Shock Resistance, points | 15 | |
| 17 |
Alloy Composition
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| Copper (Cu), % | 89.8 to 93 | |
| 87.8 to 91 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 7.0 to 9.0 | |
| 9.0 to 11 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |