C66900 Brass vs. C67400 Bronze
Both C66900 brass and C67400 bronze are copper alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C66900 brass and the bottom bar is C67400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 1.1 to 26 | |
| 22 to 28 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Rockwell B Hardness | 65 to 100 | |
| 78 to 85 |
| Shear Modulus, GPa | 45 | |
| 41 |
| Shear Strength, MPa | 290 to 440 | |
| 310 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 770 | |
| 480 to 610 |
| Tensile Strength: Yield (Proof), MPa | 330 to 760 | |
| 250 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 130 |
| Melting Completion (Liquidus), °C | 860 | |
| 890 |
| Melting Onset (Solidus), °C | 850 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 23 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.8 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 23 |
| Density, g/cm3 | 8.2 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 46 | |
| 48 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.6 to 200 | |
| 110 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2450 | |
| 300 to 660 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 17 to 22 |
| Strength to Weight: Bending, points | 16 to 23 | |
| 17 to 20 |
| Thermal Shock Resistance, points | 14 to 23 | |
| 16 to 20 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0.5 to 2.0 |
| Copper (Cu), % | 62.5 to 64.5 | |
| 57 to 60 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.35 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.5 |
| Manganese (Mn), % | 11.5 to 12.5 | |
| 2.0 to 3.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.25 |
| Silicon (Si), % | 0 | |
| 0.5 to 1.5 |
| Tin (Sn), % | 0 | |
| 0 to 0.3 |
| Zinc (Zn), % | 22.5 to 26 | |
| 31.1 to 40 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |