O50 C47940 Brass vs. O50 C65500 Bronze
Both O50 C47940 brass and O50 C65500 bronze are copper alloys. Both are furnished in the O50 (light annealed) temper. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is O50 C47940 brass and the bottom bar is O50 C65500 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 410 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 200 |
| Melting Completion (Liquidus), °C | 850 | |
| 1030 |
| Melting Onset (Solidus), °C | 800 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 400 |
| Thermal Conductivity, W/m-K | 110 | |
| 36 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 29 |
| Density, g/cm3 | 8.2 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 47 | |
| 42 |
| Embodied Water, L/kg | 330 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 | |
| 11 to 450 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 | |
| 62 to 790 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 14 | |
| 13 |
| Strength to Weight: Bending, points | 15 | |
| 14 |
| Thermal Diffusivity, mm2/s | 36 | |
| 10 |
| Thermal Shock Resistance, points | 14 | |
| 14 |
Alloy Composition
| Copper (Cu), % | 63 to 66 | |
| 91.5 to 96.7 |
| Iron (Fe), % | 0.1 to 1.0 | |
| 0 to 0.8 |
| Lead (Pb), % | 1.0 to 2.0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0.5 to 1.3 |
| Nickel (Ni), % | 0.1 to 0.5 | |
| 0 to 0.6 |
| Silicon (Si), % | 0 | |
| 2.8 to 3.8 |
| Tin (Sn), % | 1.2 to 2.0 | |
| 0 |
| Zinc (Zn), % | 28.1 to 34.6 | |
| 0 to 1.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |