C93400 Bronze vs. C94300 Bronze
Both C93400 bronze and C94300 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 85% of their average alloy composition in common.
For each property being compared, the top bar is C93400 bronze and the bottom bar is C94300 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 87 | 
| Elongation at Break, % | 9.1 | |
| 9.7 | 
| Poisson's Ratio | 0.35 | |
| 0.36 | 
| Shear Modulus, GPa | 38 | |
| 32 | 
| Tensile Strength: Ultimate (UTS), MPa | 270 | |
| 180 | 
| Tensile Strength: Yield (Proof), MPa | 150 | |
| 120 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 150 | 
| Maximum Temperature: Mechanical, °C | 150 | |
| 110 | 
| Melting Completion (Liquidus), °C | 950 | |
| 820 | 
| Melting Onset (Solidus), °C | 850 | |
| 760 | 
| Specific Heat Capacity, J/kg-K | 350 | |
| 320 | 
| Thermal Conductivity, W/m-K | 58 | |
| 63 | 
| Thermal Expansion, µm/m-K | 18 | |
| 20 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 9.0 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 8.7 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 32 | |
| 28 | 
| Density, g/cm3 | 8.9 | |
| 9.3 | 
| Embodied Carbon, kg CO2/kg material | 3.3 | |
| 2.9 | 
| Embodied Energy, MJ/kg | 54 | |
| 47 | 
| Embodied Water, L/kg | 380 | |
| 370 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 | |
| 15 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 77 | 
| Stiffness to Weight: Axial, points | 6.3 | |
| 5.2 | 
| Stiffness to Weight: Bending, points | 17 | |
| 16 | 
| Strength to Weight: Axial, points | 8.3 | |
| 5.2 | 
| Strength to Weight: Bending, points | 10 | |
| 7.4 | 
| Thermal Diffusivity, mm2/s | 18 | |
| 21 | 
| Thermal Shock Resistance, points | 10 | |
| 7.1 | 
Alloy Composition
| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.0050 | 
| Antimony (Sb), % | 0 to 0.5 | |
| 0 to 0.8 | 
| Copper (Cu), % | 82 to 85 | |
| 67 to 72 | 
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.15 | 
| Lead (Pb), % | 7.0 to 9.0 | |
| 23 to 27 | 
| Nickel (Ni), % | 0 to 1.0 | |
| 0 to 1.0 | 
| Phosphorus (P), % | 0 to 1.5 | |
| 0 to 1.5 | 
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.0050 | 
| Sulfur (S), % | 0 to 0.080 | |
| 0 to 0.080 | 
| Tin (Sn), % | 7.0 to 9.0 | |
| 4.5 to 6.0 | 
| Zinc (Zn), % | 0 to 0.8 | |
| 0 to 0.8 | 
| Residuals, % | 0 | |
| 0 to 1.0 |