H08 C54400 Bronze vs. H08 C66900 Brass
Both H08 C54400 bronze and H08 C66900 brass are copper alloys. Both are furnished in the H08 (spring) temper. They have 67% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is H08 C54400 bronze and the bottom bar is H08 C66900 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 92 | |
| 92 |
| Rockwell Superficial 30T Hardness | 78 | |
| 79 |
| Shear Modulus, GPa | 40 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 670 | |
| 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 150 |
| Melting Completion (Liquidus), °C | 1000 | |
| 860 |
| Melting Onset (Solidus), °C | 930 | |
| 850 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 400 |
| Thermal Expansion, µm/m-K | 18 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 3.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 3.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.8 |
| Embodied Energy, MJ/kg | 48 | |
| 46 |
| Embodied Water, L/kg | 340 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.8 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 21 | |
| 23 |
| Strength to Weight: Bending, points | 19 | |
| 21 |
| Thermal Shock Resistance, points | 24 | |
| 21 |
Alloy Composition
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| Copper (Cu), % | 85.4 to 91.5 | |
| 62.5 to 64.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.25 |
| Lead (Pb), % | 3.5 to 4.5 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 11.5 to 12.5 |
| Phosphorus (P), % | 0.010 to 0.5 | |
| 0 |
| Tin (Sn), % | 3.5 to 4.5 | |
| 0 |
| Zinc (Zn), % | 1.5 to 4.5 | |
| 22.5 to 26 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |