C71000 Copper-nickel vs. R60705 Alloy
C71000 copper-nickel belongs to the copper alloys classification, while R60705 alloy belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is C71000 copper-nickel and the bottom bar is R60705 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 98 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 49 | |
| 37 |
| Tensile Strength: Ultimate (UTS), MPa | 320 to 560 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 270 |
| Thermal Conductivity, W/m-K | 43 | |
| 17 |
| Thermal Expansion, µm/m-K | 15 | |
| 6.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 6.7 |
| Embodied Water, L/kg | 290 | |
| 450 |
Common Calculations
| Stiffness to Weight: Axial, points | 8.2 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 10 to 18 | |
| 22 |
| Strength to Weight: Bending, points | 12 to 17 | |
| 22 |
| Thermal Diffusivity, mm2/s | 12 | |
| 9.5 |
| Thermal Shock Resistance, points | 12 to 20 | |
| 63 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Chromium (Cr), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 73.5 to 80.5 | |
| 0 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 0.5 to 1.0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 |
| Nickel (Ni), % | 19 to 23 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.0 to 3.0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.025 |
| Oxygen (O), % | 0 | |
| 0 to 0.18 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 91 to 98 |
| Residuals, % | 0 to 0.5 | |
| 0 |