H03 C22000 Bronze vs. H03 C27000 Brass
Both H03 C22000 bronze and H03 C27000 brass are copper alloys. Both are furnished in the H03 (3/4 hard) temper. They have 76% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is H03 C22000 bronze and the bottom bar is H03 C27000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.33 | |
| 0.31 |
| Rockwell B Hardness | 65 | |
| 75 |
| Rockwell Superficial 30T Hardness | 62 | |
| 68 |
| Shear Modulus, GPa | 42 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 130 |
| Melting Completion (Liquidus), °C | 1040 | |
| 930 |
| Melting Onset (Solidus), °C | 1020 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 190 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 44 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 45 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 24 |
| Density, g/cm3 | 8.7 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 42 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 12 | |
| 16 |
| Strength to Weight: Bending, points | 14 | |
| 16 |
| Thermal Diffusivity, mm2/s | 56 | |
| 37 |
| Thermal Shock Resistance, points | 13 | |
| 15 |
Alloy Composition
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| Copper (Cu), % | 89 to 91 | |
| 63 to 68.5 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.070 |
| Zinc (Zn), % | 8.7 to 11 | |
| 31 to 37 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.3 |