C66700 Brass vs. C61500 Bronze
Both C66700 brass and C61500 bronze are copper alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C66700 brass and the bottom bar is C61500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.0 to 58 | |
| 3.0 to 55 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Rockwell Superficial 30T Hardness | 30 to 90 | |
| 42 to 85 |
| Shear Modulus, GPa | 41 | |
| 42 |
| Shear Strength, MPa | 250 to 530 | |
| 350 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 690 | |
| 480 to 970 |
| Tensile Strength: Yield (Proof), MPa | 100 to 640 | |
| 150 to 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 140 | |
| 220 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1040 |
| Melting Onset (Solidus), °C | 1050 | |
| 1030 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 430 |
| Thermal Conductivity, W/m-K | 97 | |
| 58 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 13 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 29 |
| Density, g/cm3 | 8.2 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 3.2 |
| Embodied Energy, MJ/kg | 45 | |
| 52 |
| Embodied Water, L/kg | 320 | |
| 380 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 150 | |
| 27 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 49 to 1900 | |
| 100 to 2310 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 23 | |
| 16 to 32 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 16 to 26 |
| Thermal Diffusivity, mm2/s | 30 | |
| 16 |
| Thermal Shock Resistance, points | 11 to 23 | |
| 17 to 34 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 7.7 to 8.3 |
| Copper (Cu), % | 68.5 to 71.5 | |
| 89 to 90.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 to 0.015 |
| Manganese (Mn), % | 0.8 to 1.5 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 1.8 to 2.2 |
| Zinc (Zn), % | 26.3 to 30.7 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |