H10 C63800 Bronze vs. H10 C68800 Brass
Both H10 C63800 bronze and H10 C68800 brass are copper alloys. Both are furnished in the H10 (extra spring) temper. They have 77% 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 H10 C63800 bronze and the bottom bar is H10 C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 110 | |
| 99 |
| Rockwell Superficial 30T Hardness | 93 | |
| 83 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 1010 | |
| 890 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1030 | |
| 960 |
| Melting Onset (Solidus), °C | 1000 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 400 |
| Thermal Conductivity, W/m-K | 40 | |
| 40 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 26 |
| Density, g/cm3 | 8.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 45 | |
| 48 |
| Embodied Water, L/kg | 330 | |
| 350 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 33 | |
| 30 |
| Strength to Weight: Bending, points | 26 | |
| 25 |
| Thermal Diffusivity, mm2/s | 11 | |
| 12 |
| Thermal Shock Resistance, points | 36 | |
| 30 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.1 | |
| 3.0 to 3.8 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 92.4 to 95.8 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 |
| Silicon (Si), % | 1.5 to 2.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.8 | |
| 21.3 to 24.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |