C91000 Bronze vs. C90400 Bronze
Both C91000 bronze and C90400 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is C91000 bronze and the bottom bar is C90400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 180 | |
| 77 |
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 7.0 | |
| 24 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 39 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 310 |
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 170 |
| Melting Completion (Liquidus), °C | 960 | |
| 990 |
| Melting Onset (Solidus), °C | 820 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 360 | |
| 370 |
| Thermal Conductivity, W/m-K | 64 | |
| 75 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.4 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 34 |
| Density, g/cm3 | 8.6 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 4.1 | |
| 3.5 |
| Embodied Energy, MJ/kg | 67 | |
| 56 |
| Embodied Water, L/kg | 420 | |
| 370 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 | |
| 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 | |
| 150 |
| Stiffness to Weight: Axial, points | 6.8 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.5 | |
| 10 |
| Strength to Weight: Bending, points | 9.7 | |
| 12 |
| Thermal Diffusivity, mm2/s | 20 | |
| 23 |
| Thermal Shock Resistance, points | 8.8 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 to 0.020 |
| Boron (B), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 84 to 86 | |
| 86 to 89 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.2 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0 to 0.8 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.050 | |
| 0.1 to 0.65 |
| Tin (Sn), % | 14 to 16 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 0 to 1.5 | |
| 1.0 to 5.0 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.6 | |
| 0 to 0.7 |