H06 C23400 Brass vs. H06 C70620 Copper-nickel
Both H06 C23400 brass and H06 C70620 copper-nickel are copper alloys. Both are furnished in the H06 (extra hard) temper. They have 83% of their average alloy composition in common.
For each property being compared, the top bar is H06 C23400 brass and the bottom bar is H06 C70620 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Rockwell B Hardness | 86 | |
| 84 |
| Rockwell Superficial 30T Hardness | 74 | |
| 74 |
| Shear Modulus, GPa | 42 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 570 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 220 |
| Melting Completion (Liquidus), °C | 970 | |
| 1120 |
| Melting Onset (Solidus), °C | 930 | |
| 1060 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 49 |
| Thermal Expansion, µm/m-K | 19 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 33 |
| Density, g/cm3 | 8.5 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.4 |
| Embodied Energy, MJ/kg | 43 | |
| 51 |
| Embodied Water, L/kg | 320 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 19 | |
| 17 |
| Strength to Weight: Bending, points | 18 | |
| 17 |
| Thermal Diffusivity, mm2/s | 36 | |
| 14 |
| Thermal Shock Resistance, points | 19 | |
| 19 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 81 to 84 | |
| 86.5 to 90 |
| Iron (Fe), % | 0 to 0.050 | |
| 1.0 to 1.8 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.020 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Zinc (Zn), % | 15.7 to 19 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |