OS050 C21000 Brass vs. OS050 C52100 Bronze
Both OS050 C21000 brass and OS050 C52100 bronze are copper alloys. Both are furnished in the OS050 (annealed to 0.050mm grain size) temper. They have a moderately high 92% of their average alloy composition in common. There are 27 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 OS050 C21000 brass and the bottom bar is OS050 C52100 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 45 | |
| 70 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell F Hardness | 46 | |
| 75 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 190 | |
| 290 |
| Tensile Strength: Ultimate (UTS), MPa | 240 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 180 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1030 |
| Melting Onset (Solidus), °C | 1050 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 370 |
| Thermal Conductivity, W/m-K | 230 | |
| 62 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 56 | |
| 13 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 57 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 34 |
| Density, g/cm3 | 8.8 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.4 |
| Embodied Energy, MJ/kg | 42 | |
| 55 |
| Embodied Water, L/kg | 310 | |
| 370 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.4 | |
| 12 |
| Strength to Weight: Bending, points | 9.6 | |
| 13 |
| Thermal Diffusivity, mm2/s | 69 | |
| 19 |
| Thermal Shock Resistance, points | 8.1 | |
| 14 |
Alloy Composition
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| Copper (Cu), % | 94 to 96 | |
| 89.8 to 93 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 0 | |
| 7.0 to 9.0 |
| Zinc (Zn), % | 3.7 to 6.0 | |
| 0 to 0.2 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |