R60901 Alloy vs. C72900 Copper-nickel
R60901 alloy belongs to the otherwise unclassified metals classification, while C72900 copper-nickel belongs to the copper alloys. There are 20 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is R60901 alloy and the bottom bar is C72900 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 120 |
| Elongation at Break, % | 17 to 22 | |
| 6.0 to 20 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Shear Modulus, GPa | 37 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 580 | |
| 870 to 1080 |
| Tensile Strength: Yield (Proof), MPa | 350 to 390 | |
| 700 to 920 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 210 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 380 |
| Thermal Conductivity, W/m-K | 17 | |
| 29 |
| Thermal Expansion, µm/m-K | 6.3 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.6 | |
| 8.8 |
| Embodied Water, L/kg | 270 | |
| 360 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 88 to 100 | |
| 49 to 210 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 640 to 760 | |
| 2030 to 3490 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 23 | |
| 19 |
| Strength to Weight: Axial, points | 21 to 25 | |
| 27 to 34 |
| Strength to Weight: Bending, points | 21 to 24 | |
| 23 to 27 |
| Thermal Diffusivity, mm2/s | 9.7 | |
| 8.6 |
| Thermal Shock Resistance, points | 58 to 67 | |
| 31 to 38 |
Alloy Composition
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| Copper (Cu), % | 0 | |
| 74.1 to 78 |
| Iron (Fe), % | 0 | |
| 0 to 0.5 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Magnesium (Mg), % | 0 | |
| 0 to 0.15 |
| Manganese (Mn), % | 0 | |
| 0 to 0.3 |
| Nickel (Ni), % | 0 | |
| 14.5 to 15.5 |
| Niobium (Nb), % | 2.4 to 2.8 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 7.5 to 8.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.5 |
| Zirconium (Zr), % | 96.8 to 97.5 | |
| 0 |
| Residuals, % | 0 to 0.29 | |
| 0 to 0.3 |