H10 C26800 Brass vs. H10 C34200 Brass
Both H10 C26800 brass and H10 C34200 brass are copper alloys. Both are furnished in the H10 (extra spring) temper. They have a very high 97% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is H10 C26800 brass and the bottom bar is H10 C34200 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Rockwell B Hardness | 91 | |
| 91 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 650 | |
| 650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 120 |
| Melting Completion (Liquidus), °C | 930 | |
| 910 |
| Melting Onset (Solidus), °C | 900 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 27 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 30 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 24 |
| Density, g/cm3 | 8.1 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 45 | |
| 45 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 22 | |
| 22 |
| Strength to Weight: Bending, points | 21 | |
| 20 |
| Thermal Diffusivity, mm2/s | 37 | |
| 37 |
| Thermal Shock Resistance, points | 22 | |
| 22 |
Alloy Composition
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| Copper (Cu), % | 64 to 68.5 | |
| 62 to 65 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.15 | |
| 1.5 to 2.5 |
| Zinc (Zn), % | 31 to 36 | |
| 32 to 36.5 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |