HR50 C64200 Bronze vs. HR50 C71640 Copper-nickel
Both HR50 C64200 bronze and HR50 C71640 copper-nickel are copper alloys. Both are furnished in the HR50 (drawn and stress relieved) condition. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is HR50 C64200 bronze and the bottom bar is HR50 C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 140 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 640 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 320 | |
| 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 260 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1180 |
| Melting Onset (Solidus), °C | 980 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 430 | |
| 410 |
| Thermal Conductivity, W/m-K | 45 | |
| 29 |
| Thermal Expansion, µm/m-K | 18 | |
| 15 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 40 |
| Density, g/cm3 | 8.3 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 5.0 |
| Embodied Energy, MJ/kg | 50 | |
| 73 |
| Embodied Water, L/kg | 370 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 | |
| 750 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 21 | |
| 20 |
| Strength to Weight: Bending, points | 20 | |
| 18 |
| Thermal Diffusivity, mm2/s | 13 | |
| 8.2 |
| Thermal Shock Resistance, points | 23 | |
| 21 |
Alloy Composition
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| Aluminum (Al), % | 6.3 to 7.6 | |
| 0 |
| Arsenic (As), % | 0 to 0.15 | |
| 0 |
| Copper (Cu), % | 88.2 to 92.2 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 0 to 0.3 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 0.1 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 to 0.25 | |
| 29 to 32 |
| Silicon (Si), % | 1.5 to 2.2 | |
| 0 |
| Tin (Sn), % | 0 to 0.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 0 to 1.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |