H06 C54400 Bronze vs. H06 C72200 Copper-nickel
Both H06 C54400 bronze and H06 C72200 copper-nickel are copper alloys. Both are furnished in the H06 (extra hard) temper. They have 82% of their average alloy composition in common.
For each property being compared, the top bar is H06 C54400 bronze and the bottom bar is H06 C72200 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 130 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 90 | |
| 85 |
| Rockwell Superficial 30T Hardness | 77 | |
| 74 |
| Shear Modulus, GPa | 40 | |
| 48 |
| Tensile Strength: Ultimate (UTS), MPa | 630 | |
| 560 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 230 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1180 |
| Melting Onset (Solidus), °C | 930 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 400 |
| Thermal Conductivity, W/m-K | 86 | |
| 34 |
| Thermal Expansion, µm/m-K | 18 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 19 | |
| 6.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 19 | |
| 6.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 36 |
| Density, g/cm3 | 8.9 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.9 |
| Embodied Energy, MJ/kg | 48 | |
| 59 |
| Embodied Water, L/kg | 340 | |
| 300 |
Common Calculations
| Stiffness to Weight: Axial, points | 6.8 | |
| 8.0 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 20 | |
| 18 |
| Strength to Weight: Bending, points | 18 | |
| 17 |
| Thermal Diffusivity, mm2/s | 26 | |
| 9.6 |
| Thermal Shock Resistance, points | 23 | |
| 19 |
Alloy Composition
| Chromium (Cr), % | 0 | |
| 0.3 to 0.7 |
| Copper (Cu), % | 85.4 to 91.5 | |
| 78.1 to 84.2 |
| Iron (Fe), % | 0 to 0.1 | |
| 0.5 to 1.0 |
| Lead (Pb), % | 3.5 to 4.5 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 15 to 18 |
| Phosphorus (P), % | 0.010 to 0.5 | |
| 0 |
| Tin (Sn), % | 3.5 to 4.5 | |
| 0 |
| Zinc (Zn), % | 1.5 to 4.5 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.2 |