C94500 Bronze vs. C84000 Brass
Both C94500 bronze and C84000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 77% of their average alloy composition in common.
For each property being compared, the top bar is C94500 bronze and the bottom bar is C84000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 50 | |
| 65 |
| Elastic (Young's, Tensile) Modulus, GPa | 92 | |
| 110 |
| Elongation at Break, % | 12 | |
| 27 |
| Poisson's Ratio | 0.36 | |
| 0.33 |
| Shear Modulus, GPa | 34 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 170 | |
| 250 |
| Tensile Strength: Yield (Proof), MPa | 83 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 160 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 170 |
| Melting Completion (Liquidus), °C | 940 | |
| 1040 |
| Melting Onset (Solidus), °C | 800 | |
| 940 |
| Specific Heat Capacity, J/kg-K | 330 | |
| 380 |
| Thermal Conductivity, W/m-K | 52 | |
| 72 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.7 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 30 |
| Density, g/cm3 | 9.3 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 3.0 |
| Embodied Energy, MJ/kg | 51 | |
| 49 |
| Embodied Water, L/kg | 380 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 | |
| 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 37 | |
| 83 |
| Stiffness to Weight: Axial, points | 5.5 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 16 | |
| 19 |
| Strength to Weight: Axial, points | 5.2 | |
| 8.2 |
| Strength to Weight: Bending, points | 7.4 | |
| 10 |
| Thermal Diffusivity, mm2/s | 17 | |
| 22 |
| Thermal Shock Resistance, points | 6.7 | |
| 9.0 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 to 0.8 | |
| 0 to 0.020 |
| Boron (B), % | 0 | |
| 0 to 0.1 |
| Copper (Cu), % | 66.7 to 78 | |
| 82 to 89 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.4 |
| Lead (Pb), % | 16 to 22 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 | |
| 0 to 0.010 |
| Nickel (Ni), % | 0 to 1.0 | |
| 0.5 to 2.0 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 to 0.050 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.080 | |
| 0.1 to 0.65 |
| Tin (Sn), % | 6.0 to 8.0 | |
| 2.0 to 4.0 |
| Zinc (Zn), % | 0 to 1.2 | |
| 5.0 to 14 |
| Zirconium (Zr), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.7 |